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Yamaha DVD-C900 Service Manual

Other manuals for DVD-C900: Owner's Manual

Summary of DVD-C900

  • Page 1

    Dvd-c900 dvd-c900 1 0 0 6 5 3 service manual dvd player this manual has been provided for the use of authorized yamaha retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically yamaha products, are already known and under...

  • Page 2

    Dvd-c900 dvd-c900 1. Critical components information. Components having special characteristics are marked and must be replaced with parts having specifications equal to those originally installed. 2. Leakage current measurement (for 120v models only). When service has been completed, it is imperati...

  • Page 3

    Dvd-c900 dvd-c900 warning: chemical content notice! The solder used in the production of this product contains lead. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the california health and welfare agency (and possi...

  • Page 4

    Dvd-c900 dvd-c900 u ....... U.S.A. Model r ....... General model t ....... China model manufactured under license from dolby laboratories licens- ing corporation. "dolby" and the double-d symbol v are trademarks of dolby laboratories licensing corporation. ■ specifications 3 ■ audio section frequenc...

  • Page 5

    Dvd-c900 dvd-c900 ■ rear panels ▼ u model ▼ r model ▼ t model 4 www. Xiaoyu163. Com qq 376315150 9 9 2 8 9 4 2 9 8 tel 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.Xiaoyu163.Com http://www.Xiaoyu163.Com.

  • Page 6

    Dvd-c900 dvd-c900 5 ■ precaution laser diode ■ handling precautions for travers deck www. Xiaoyu163. Com qq 376315150 9 9 2 8 9 4 2 9 8 tel 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.Xiaoyu163.Com http:...

  • Page 7

    Dvd-c900 dvd-c900 6 ■ internal view 4 3 2 1 5 6 7 435 (17–1/8") 473 (18–5/8") 100 (3 – 15/16") 16 (5/8") 116 (4 – 9/16") 4 (3/16") 6 (1/4") 394 (15 – 1/2") 404 (15 – 7/8") ● dimension unit : mm (inch) q switching power supply w cm-200 unit e clamper ass’y r p.C.B. Operation (2) t p.C.B. Operation (1...

  • Page 8: Remote Control Transmitter

    1 2 3 4 5 6 7 88 dvd-c900 remote control transmitter ■ schematic diagram r1 2.2 Ω ki/o6 ki/o7 s0 rem vdd x–out x–in vss ki/o5 ki/o4 ki/o3 ki/o2 ki/o1 ki/o0 ki3 ki2 ki1 ki0 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 ic1 µ pd63a gs–442 x1 3.64mhz d1 q1 ied1 c1 47 µ f reset k1 k2 k4 k3 k5 k6 k7...

  • Page 9: Dvd-C900

    Dvd-c900 dvd-c900 www. Xiaoyu163. Com qq 376315150 9 9 2 8 9 4 2 9 8 tel 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.Xiaoyu163.Com http://www.Xiaoyu163.Com.

  • Page 10

    Dvd-c900 dvd-c900 12 ■ adjustment tilt adjustment of disc motor after replacing parts in the traverse unit, it is necessary to adjust the tilt adjustment of disc motor from bottom side. Please follow the following procedures for adjusting. When the following parts have been replaced, disc motor adju...

  • Page 11

    Dvd-c900 dvd-c900 13 adjustment procedures after adjusting check the following 1. After adjusting by the dvd test disc, play a video cd or cd-da and check that there is no abnormal operation. 1. Play back the dvd test disc and then place the unit in play mode with title 8, then push the pause button...

  • Page 12

    Dvd-c900 dvd-c900 14 j, r, t only 1 1 25 75 51 26 50 100 76 25 26 50 100 76 75 51 57 84 85 112 56 29 28 1 22 1 1 1 4 8 5 7 14 8 1 1 1 1 52 156 105 1 4 8 5 1 44 132 133 176 88 45 89 53 104 208 157 25 50 26 10 20 11 1 10 20 11 4 8 5 23 44 jit out fe te www. Xiaoyu163. Com qq 376315150 9 9 2 8 9 4 2 9 ...

  • Page 13

    Dvd-c900 dvd-c900 ■ test mode 15 this built-in test mode is to facilitate inspection, measurement and locating any faulty point. 1. How to start the test mode before operation use the key operation when the product mode at stop press the angle key on the remote control unit while pressing the stop k...

  • Page 14

    Dvd-c900 dvd-c900 16 power off state test mode product mode power off on panel power off on panel power on on panel stop on panel & angle on remote control unit 4. Sub mode • there are 2 sub modes for the test mode. • immediately after starting the test mode, the sub mode [1] is set. • for the detai...

  • Page 15

    Dvd-c900 dvd-c900 17 5 details of sub mode [1] sub mode [1] : individual operation check • functions included in the player are checked individually. • the sub mode [1] is set immediately after starting the test mode. The number of the item being executed is displayed here. Even after completing exe...

  • Page 16

    Dvd-c900 dvd-c900 18 bottom bottom osd (on screen display) • a list of key operations used when checking individual operation appears on the screen. • page 1 appears immediately after the mode is shifted to sub mode [1]. There are 5 pages in all. • the pages on the screen can be changed. Key operati...

  • Page 17

    Dvd-c900 dvd-c900 1) basic control • basic operation used in the test mode item key operation description stop operation stop on panel or stop on remote control unit test operation being executed currently is stopped. (test mode in the initial state) (*1) • when operating from disc2 to disc3 and fro...

  • Page 18

    Dvd-c900 dvd-c900 4) tracking control • operation to control the tracking servo item key operation description tracking servo off multi speed on remote control unit the tracking servo is turned off. Note : in order to turn on the tracking servo, press the play/pausse key on the panel or the play key...

  • Page 19

    Dvd-c900 dvd-c900 9) panel display • operation to check panel display • two types of the panel display, fl and led, are both tested at the same time. Item condition before operation key operation condition after operation test pattern 1 normal display of test mode angle on remote control unit test p...

  • Page 20

    Dvd-c900 dvd-c900 10) track kick control • this mode is used to check the track kick operation. Item key operation description 1 track kick continued in - direction 1 on remote control unit kicking is continued for 1 track in the - direction. 1 track kick continued in + direction 2 on remote control...

  • Page 21

    Dvd-c900 dvd-c900 12) fe operation mode setting • this mode is used to set the fe operation mode item key operation description dvd operation mode setting repeat s/f on remote control unit fe is set for the dvd playback enable mode. Vcd/cd-da operation mode setting repeat a-b on remote control unit ...

  • Page 22

    Dvd-c900 dvd-c900 event log display • the event log screen shows 5 event logs for each page. There are up to 50 pages. Log display 00 0163eaec 13 81ae -------------------- 01 0163eaea 13 80c8 -------------------- 02 0163ead8 13 81ac -------------------- 03 0163eac4 13 81b8 -------------------- 04 01...

  • Page 23

    Dvd-c900 dvd-c900 clearing log • the data of each log (event, error or timer) can be cleared individually. • in case of the timer log, the data is cleared by items. • before executing the clear command, a message to confirm execution of the clear function appears. • on the screen after the clear fun...

  • Page 24

    Dvd-c900 dvd-c900 to execute clear function d. Using h and g keys on the remote control unit, select "yes" and then press the select key on the remote control unit. The log corresponding to the selected item is cleared and the timer log screen is restored. To cancel clear function d. Using h and g k...

  • Page 25

    Dvd-c900 dvd-c900 ■ troubleshooting traverse limit switch fails to turn on. Task id=05 error log=xx01 xx is fe or other than ff. Is traverse feed/return operation available in test mode? No traverse limit switch circuit or cpu (ic44) is faulty. Yes traverse drive ic (ic1) or adsc (ic7) is faulty. Ad...

  • Page 26

    Dvd-c900 dvd-c900 focus on failure task id = 05 error log= xx2a error log= xx59 xx is fe or other than ff. Is disc dirty and scratched? No no no yes yes yes adsc(ic7) or drive ic(ic1) is faulty. Check with another disc. Does objective lens move up and down? Is focus error signal output at test point...

  • Page 27

    Dvd-c900 dvd-c900 toc reading time exceeded task id = 05 error log= xx91 xx is fe or other than ff. Is inner track of disc dirty or scratched? No yes check with another disc. Adjust tilt of disc motor. Has failure symptom gone? Yes correction is completed. No odc(ic15), 4m dram(ic21) or pu is faulty...

  • Page 28

    Dvd-c900 dvd-c900 rd failure search time exceeded buffer empty data skip dummy sector read task id = 05 error log= fe01 error log= fe04 error log= fe07 error log= fef6 task id = 17 error log= f6xx task id = 1a error log= fe01 error log= fe04 error log= fe07 error log= fef6 task id = 1b error log= ff...

  • Page 29

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 ■ block diagram e-55/j-51 w w w . X i a o y u 1 6 3 . C o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.Xiaoyu...

  • Page 30

    Dvd-c900 dvd-c900 7 ■ disassembly procedures (remove parts in the order as numbered.) fig. 2 1. Removal of top cover & side panels a. Remove 8 screws ( q ) and also 3 screws ( w ) as shown in fig. 1. 2. Removal of tray ass'y a. Remove 1 screw ( e ) as shown in fig. 1. B. Turn gear/l0 as shown in fig...

  • Page 31

    Dvd-c900 dvd-c900 8 4. Removal of clamp ass’y a. Remove 2 screws ( y ) as shown in fig. 4. 5. Removal of cm-200 unit be sure to make both your body and the work table grounded. A. Remove 5 screws ( u ) as shown in fig. 4. B. Remove cables (cb1, cb2) from the p.C.B. Main. Caution the flat cable cb1 i...

  • Page 32

    Dvd-c900 dvd-c900 9 ■ replacing the main parts of the traverse unit 2. Replacing the traverse motor unit a. After the laser pick-up has been removed, remove 2 screws and then remove the travers motor unit. 3. Replacing the disc motor a. This disc motor can be removed after the traverse unit has been...

  • Page 33

    Dvd-c900 dvd-c900 10 4. D i s c m o t o r a s s e m b l y / t e n t a t i v e t i l t adjustment a. For the disc motor assembling, install the 2 screws b (adjustment screw) after firmly tightening 2 screws a. (refer to the figure replacement of the disc motor.) b. Use 2 screws b to temporarily set t...

  • Page 34

    Dvd-c900 dvd-c900 ■ ic data ic6 : an8825nfhq front end processor (fep) no. Port name function 1 ldonb ldonb cd laser “on” control signal input from adsc(mn67702) 2 ldona ldona dvd laser “on” control signal input from adsc(mn67702) 3 lpcob lpcob nc 4 lpc2 lpc2 gnd 5 lpcoa lpcoa laser drive output (dv...

  • Page 35

    Dvd-c900 dvd-c900 no. Port name function 53 pulled up 54 gnd 55 vcc4 vcc4 +5v 56 dslflt dslflt data slice time constant terminal 57 itdl itdl current ripple removal filter terminal of pll jitter free 58 vcoin vcoin pll vco input 59 plflt plflt pll high frequency filter terminal 60 plflt2 plflt2 pll ...

  • Page 36

    Dvd-c900 dvd-c900 ic7 : mn67702vrzc advanced digital servo controller no. Port name function 1 pwm1b pwm1b nc 2 vss vss digital gnd 3 test3 nc 4 gio12 nc 5 vdd vdd digital +5v 6 test4 nc 7 test5 nc 8 test2 nc 9 mintest nc 10 test6 nc 11 gio13 nc 12 gio14 ldona cd laser on/off control output to fep(a...

  • Page 37

    Dvd-c900 dvd-c900 no. Port name function 55 vss vss digital gnd 56 avss1 avss1 analog gnd 57 vrefla vrefl lower reference voltage input from fep(an8825). (1.2v ± 0.1v) 58 vrefma vref middle reference voltage input from fep(an8825). (2.2v ± 0.1v) 59 vrefha vrefh upper reference voltage input from fep...

  • Page 38

    Dvd-c900 dvd-c900 ic15 : mn103005an2g optical disc controller (odc) no. Port name function 1 hdd8 stdo mpeg stream data output to pantera-dvd 2 hdd7 pulled up 3 5vdd 5vdd +5v 4 /reset /reset +5v 5 master stenable stream data enable input from pantera-dvd 6 vss vss gnd 7 drama4 drama4 dram address bu...

  • Page 39

    Dvd-c900 dvd-c900 no. Port name function 55 moni3 moni3 nc 56 sdata sdata pulled up 57 sclock sclock pulled up 58 vdd vdd +3.3v 59 tehld tehld nc 60 dtrd dtrd nc 61 idgt idgt nc 62 vss vss gnd 63 rdckp rdckp pll locked clock from fep(an8825) 64 rdckn rdckn pll locked inverse clock from fep(an8825) 6...

  • Page 40

    Dvd-c900 dvd-c900 no. Port name function 109 /cs /cs odc chip select input from cpu 110 /wr cpuwtl write control input from cpu 111 /rd cpurd read control input from cpu 112 cpudt7 d7 data bus to cpu 113 cpudt6 d6 data bus to cpu 114 vss vss gnd 115 cpudt5 d5 data bus to cpu 116 cpudt4 d4 data bus t...

  • Page 41

    Dvd-c900 dvd-c900 no. Port name function 163 hdd2 hdd2 pulled up 164 vss vss gnd 165 hdd12 std4 mpeg stream data output to pantera-dvd 166 vdd vdd +5v 167 hdd3 hdd3 pulled up 168 hdd11 std3 mpeg stream data output to pantera-dvd 169 vss vss gnd 170 hdd4 hdd4 pulled up 171 hdd10 std2 mpeg stream data...

  • Page 42

    Dvd-c900 dvd-c900 ic44 : hd6417014f28 front end control cpu no. Port name function 33 vss vss gnd 34 /rd /cpurd control signal output for reading 35 /wdtovf /wdtovf watched timer overflow output 36 /wrh /cpuwt control signal output for upper byte writing 37 vcc vcc +5v 38 /wrl /cpuwtl control signal...

  • Page 43

    Dvd-c900 dvd-c900 ic44 : hd6417014f28 front end control cpu 40 no. Port name function 85 pe0/tioc0a//dreq0 cl up clamp up control output 86 pe1/tioc0b//dack0 cl down clamp down control output 87 pe2/tioc0c//dreq1 close tray close control output 88 pe3/tioc0d//dack1 open tray open control output 89 p...

  • Page 44

    Dvd-c900 dvd-c900 ic305 : ndv8401 pantera-dvd no. Port name function 1 md5 md5 sdram data bus 2 md6 md6 sdram data bus 3 md7 md7 sdram data bus 4 md8 md8 sdram data bus 5 vss vss gnd 6 md9 md9 sdram data bus 7 md10 md10 sdram data bus 8 md11 md11 sdram data bus 9 md12 md12 sdram data bus 10 vdd vdd ...

  • Page 45

    Dvd-c900 dvd-c900 42 no. Port name function 54 md27 md27 sdram data bus 55 md28 md28 sdram data bus 56 vssdac vssdac gnd 57 md29 md29 sdram data bus 58 md30 md30 sdram data bus 59 md31 md31 sdram data bus 60 dqm3 dqm3 sdram data byte enable 61 cs2 cs2 nc 62 vdd vdd +3.3v 63 scen scen nc 64 vssdac vs...

  • Page 46

    Dvd-c900 dvd-c900 no. Port name function 104 vdd vdd +3.3v 105 ad31 pad31 µ p multiplexed address/data bus 106 ad30 pad30 µ p multiplexed address/data bus 107 ad29 pad29 µ p multiplexed address/data bus 108 ad28 pad28 µ p multiplexed address/data bus 109 ad27 pad27 µ p multiplexed address/data bus 1...

  • Page 47

    Dvd-c900 dvd-c900 44 no. Port name function 158 wr wr nc 159 rd rd read 160 pcs0 pcs0 chip select output for flash 161 pcs1 pcs1 nc 162 vdd vdd +3.3v 163 pcs2 /cs-led strobe signal output for nju3711 164 pcs3 pcs3 nc 165 pcs4 cs-595 latch signal output to 74hc595 166 srst srst nc 167 xint4 xint4 nc ...

  • Page 48

    Dvd-c900 dvd-c900 ic601 : tc74hc595af 8-bit shift registers with output latches no. Port name function 1 qb mute cnt mute control output for center channel 2 qc mute sl&sr mute control output for surround l and r channel 3 qd nc 4 qe nc 5 qf mute l&r mute control output for l and r channel 6 qg nc 7...

  • Page 49

    Dvd-c900 dvd-c900 ic782 : nju3711 8-bit serial-parallel converter no. Port name function 1 p3 p3 drive output of disc 5 led 2 p4 p4 drive output of disc 2 led 3 p5 p5 drive output of disc 4 led 4 vss vss gnd 5 p6 p6 drive output of disc 1 led 6 p7 p7 drive output of disc 3 led 7 p8 p8 nc 8 data data...

  • Page 50

    Dvd-c900 dvd-c900 47 ic1 : an8813nsb 4-ch power op-amp system driver ic2 : ba6849fp-e2 motor driver n.C. A3 n.C. A2 n.C. N.C. A1 gnd h1+ h1– h2+ h2– h3+ h3– rnf vm1 vm2 vcc fg ps ec ecr fr n.C. Sb cnf n.C. Vh 1 2 3 4 5 6 7 8 9 10 11 12 13 14 driver current sense amp hall amp torque sense amp v cc ga...

  • Page 51

    Dvd-c900 dvd-c900 48 ic7 : mn67702vrzc advanced digital servo controller pwm1b vss test3 gio12 vdd test4 test5 test2 mintest test6 gio13 gio14 gio15 test7 test1 test0 xresetin vss cpuirq cpsen cpsck cpsdtin cpsdtot spdt cpck ad9 ad8 ad7 ad6 ad5 ad4 ad3 ad2 ad1 vref vrefld vrefhd ad12 ad11 ad10 avddi...

  • Page 52

    Dvd-c900 dvd-c900 49 ic21 : glt440l16-50tc 256k x 16 bit dynamic ram 1 2 3 4 5 6 7 8 9 10 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 32 31 30 29 28 27 26 25 24 23 v ss i/o16 i/o15 i/o14 i/o13 vss i/o12 i/o11 i/o10 i/o9 nc lcas ucas oe a8 a7 a6 a5 a4 vss vcc i/o1 i/o2 i/o3 i/o4 vcc i...

  • Page 53

    Dvd-c900 dvd-c900 50 ic305 : ndv8401 pantera-dvd ic51 : mbm29f400bc-70pf 4m bit flash memory 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 n.C. Ry/by a17 a7 a6 a5 a4 a3 a2 a1 a0 ce vss oe dq0 dq8 dq1 dq9 dq2 dq10 dq3 dq11 reset we a8 a9 a10 a11 a12 a13 a14 a15 a16 byte vss dq15/a-1 dq7 dq...

  • Page 54

    Dvd-c900 dvd-c900 51 ic303, 306 : gm72v161621ct -10k 524,288 words x 16 bit x 2 bank dynamic ram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 vcc dq0 dq1 vssq dq2 dq3 vccq dq4 dq5 vssq dq6 dq7 vccq dqml /we /cas /ras /cs a11 a10 a0 a1 a2 a3 vcc vss dq15 dq14 vssq dq13 dq12 vccq ...

  • Page 55

    Dvd-c900 dvd-c900 52 ic781 : cxp2201as display control driver ic782 : nju3711 8-bit serial-parallel converter latch shift register control 8 9 10 11 data 12 13 1 2 3 4 5 6 p1 p2 p3 p4 p5 p6 p7 p8 clk stb clr cxp2201as extal xtal v ss k0 k1 k2 k3 v dd s0 s2 s3 s4 s5 s6 s1 s7 s8 s9/t14 s10/t13 s11/t12...

  • Page 56

    Dvd-c900 dvd-c900 53 ■ display data ● v781 : 12-st-14gk (v2215300) ● grid assignment ● anode connection q #5 pattern area note 1) f1, f2 ......... Filament 2) np .............. No pin 3) nc .............. No connection 4) p1~p11 ....... Datum line 5) 1g~12g ...... Grid ● pin connection pin no. 1 2 3...

  • Page 57: Remote Control Transmitter

    1 2 3 4 5 6 7 88 dvd-c900 remote control transmitter ■ schematic diagram r1 2.2 Ω ki/o6 ki/o7 s0 rem vdd x–out x–in vss ki/o5 ki/o4 ki/o3 ki/o2 ki/o1 ki/o0 ki3 ki2 ki1 ki0 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 ic1 µ pd63a gs–442 x1 3.64mhz d1 q1 ied1 c1 47 µ f reset k1 k2 k4 k3 k5 k6 k7...

  • Page 58: Dvd-C900

    Dvd-c900 dvd-c900 www. Xiaoyu163. Com qq 376315150 9 9 2 8 9 4 2 9 8 tel 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.Xiaoyu163.Com http://www.Xiaoyu163.Com.

  • Page 59

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 ■ printed circuit board (foil side) e-56/j-52 p.C.B. Main (lead type device) j, r, t only from : mechanism from : switching power supply from : operation (3) from : operation (1) from : operation (1) from : operation (6) /u only from : cm (4) from : operation (1)...

  • Page 60

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 ■ printed circuit board (foil side) e-59/j-55 from : switching power supply from : main from : operation (2) from : operation (7) /r, t only from : main from : main p. C. B. Operation ( 1 ) coaxial optical video out selector (lead type device) j, r, t only gnda g...

  • Page 61

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 ■ printed circuit board (foil side) e-59/j-55 from : switching power supply from : main from : operation (2) from : operation (7) /r, t only from : main from : main p. C. B. Operation ( 1 ) coaxial optical video out selector (lead type device) j, r, t only gnda g...

  • Page 62

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 ■ printed circuit board (foil side) e-60/j-56 a b c d e f g h 1 2 3 4 5 6 p. C. B. Operation ( 1 ) (surface mount device) u only 1 4 8 5 1 4 8 5 1 1 16 1 4 8 5 9 8 8 16 9 from : switching power supply from : main from : operation (2) from : main from : main p. C....

  • Page 63

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 ■ printed circuit board (foil side) p. C. B. Operation ( 2 ) (lead type device) j, r, t only from : operation (1) p r y component video out s video p b video mixed 2ch main surround center/ sub woofer 6ch discrete cnt sr sl r l dmr dml sw y c/cd cvbs +12 cnt sr s...

  • Page 64

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 to : operation (3) w781 #13 p. C. B. Operation ( 4 ) t skip/search open/ close playx change stop play/ pause p4 p3 p2 k0 k1 y to : switching power supply w782 wh be #1 p. C. B. Operation ( 5 ) power mode select pal/ntsc p. C. B. Operation ( 7 ) r, t only to : mai...

  • Page 65

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 85 86 swtching power supply (dl893w : v2687300) p. C. B. Switching power supply r23 d22 d2 0 d1 9 d2 1 t2 r24 j w1 r1 8 j w1 9 c1 4 c29 c30 6 tk 1 l1 cn1 f1 cn2 3 250v t3. 15ah r1 c1 l2 c3 c4 th1 rc1 c2 r4 r3 c6 r2 c5 r25 t1 14 8 rx 2 r8 d5 r7 rx1 r5 r10 r6 d2 c7...

  • Page 66

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 85 86 swtching power supply (dl893w : v2687300) p. C. B. Switching power supply r23 d22 d2 0 d1 9 d2 1 t2 r24 j w1 r1 8 j w1 9 c1 4 c29 c30 6 tk 1 l1 cn1 f1 cn2 3 250v t3. 15ah r1 c1 l2 c3 c4 th1 rc1 c2 r4 r3 c6 r2 c5 r25 t1 14 8 rx 2 r8 d5 r7 rx1 r5 r10 r6 d2 c7...

  • Page 67

    A b c d e f g h 1 2 3 4 5 6 i j k l m n 7 8 9 10 dvd-c900 front end processor ld drive focus, tracking, traverse driver spindle motor driver advanced digital servo controller optical disc controller 4m edo dram front end cpu 1m sram 4m flash memory 32k eeprom led driver reset signal generator 11.9 9...

  • Page 68

    A b c d e f g h 1 2 3 4 5 6 i j k l m n o 7 8 9 10 dvd-c900 address latch 8m flash memory 8m flash memory dvd backend controller 16m sdram 16m sdram phase comparator vcxo multiplexer audio dac digital zero detector 0 0 0 4.9 0 4.3 0 0 3.2 4.1 3.2 3.2 4.8 4.9 3.2 3.2 3.2 3.2 0 0 0 3.2 3.2 3.2 3.2 3.2...

  • Page 69

    A b c d e f g h 1 2 3 4 5 6 i j k l m n 7 8 9 10 dvd-c900 loading motor driver clamp & tray-rotate motor driver fl driver & key scan controller led driver mute circuit mute circuit mute circuit mute circuit lpf amp lpf amp mute controller video amp – 7v tracking regulator 0 0 0 0 0 7.1 7.1 7.5 7.5 0...

  • Page 70

    Dvd-c900 dvd-c900 ■ electrical parts abbreviations in this list are as follows : c.A.El.Chp : chip alumi. Electrolytic cap c.Ce : ceramic cap c.Ce.Array : ceramic cap array c.Ce.Chp : chip ceramic cap c.Ce.Ml : multilayer ceramic cap c.Ce.M.Chp : chip multilayer ceramic cap c.Ce.Safty : recognized c...

  • Page 71

    Dvd-c900 dvd-c900 70 p.C.B. Main schm ref. Part no. Description new parts * schm ref. Part no. Description new parts * * v247870r p.C.B. Main(r) * v247870t p.C.B. Main(t) * v2478800 p.C.B. Main(u) cb1 v3691800 cn.Bs.Pin 35p * cb2 v2773700 cn.Bs.Pin 17p * cb3 vt389100 cn.Bs.Pin 10p * cb4 vt389000 cn....

  • Page 72

    Dvd-c900 dvd-c900 p.C.B. Main 71 schm ref. Part no. Description new parts * schm ref. Part no. Description new parts * c90 us135100 c.Ce.Chp 0.1uf 16v c91 us062100 c.Ce.M.Chp 100pf 50v c92 us061150 c.Ce.Chp 15pf 50v c93 us035100 c.Ce.M.Chp 0.1uf 16v c94 us035100 c.Ce.M.Chp 0.1uf 16v c95 us035100 c.C...

  • Page 73

    Dvd-c900 dvd-c900 p.C.B. Main 72 schm ref. Part no. Description new parts * schm ref. Part no. Description new parts * c346 uf037100 c.El.Chp 10uf 16v c347 uf037100 c.El.Chp 10uf 16v * c348 vz243200 c.Ce.Chp 1uf 10v * c349 vz243200 c.Ce.Chp 1uf 10v c350 uf118470 c.El.Chp 470uf 6.3v * c351 vz243200 c...

  • Page 74

    Dvd-c900 dvd-c900 p.C.B. Main 73 schm ref. Part no. Description new parts * schm ref. Part no. Description new parts * ic324 xv865a00 ic tc7wh157fu * l1 vy656400 coil.Chp 120uh * l2 vy656400 coil.Chp 120uh * l3 vy656400 coil.Chp 120uh * l4 vy656400 coil.Chp 120uh * l5 vy656400 coil.Chp 120uh * l6 vy...

  • Page 75

    Dvd-c900 dvd-c900 p.C.B. Operation 74 schm ref. Part no. Description new parts * schm ref. Part no. Description new parts * * v2479000 p.C.B. Operation(u) * v2479100 p.C.B. Operation(r) * v2479200 p.C.B. Operation(t) * cb601 v2438900 cn.Bs.Pin 15p cb602 vd004900 cn.Bs.Pin 6p cb603 vd004500 cn.Bs.Pin...

  • Page 76

    Dvd-c900 dvd-c900 p.C.B. Operation 75 schm ref. Part no. Description new parts * schm ref. Part no. Description new parts * d602 ve277600 di0d.Array imn10-t108(rt) d603 ve277600 di0d.Array imn10-t108(rt) d604 ve277600 di0d.Array imn10-t108(rt) d606 ve277600 di0d.Array imn10-t108(rt) d608 ve277600 di...

  • Page 77

    Dvd-c900 dvd-c900 p.C.B. Operation & cm 76 schm ref. Part no. Description new parts * schm ref. Part no. Description new parts * r638 vi193300 r.Mtl.Chp 220 Ω 1/10w(rt) r639 vi193300 r.Mtl.Chp 220 Ω 1/10w(rt) r640 vi199000 r.Mtl.Chp 47k Ω 1/10w(rt) r641 vi199000 r.Mtl.Chp 47k Ω 1/10w(rt) r642 vi1933...

  • Page 78

    Dvd-c900 dvd-c900 chip resistor 77 schm ref. Part no. Description new parts * schm ref. Part no. Description new parts * rd250000 r.Car.Chp 0 Ω 1/10w rd253220 r.Car.Chp 2.2 Ω 1/10w rd254220 r.Car.Chp 22 Ω 1/10w rd254330 r.Car.Chp 33 Ω 1/10w rd254750 r.Car.Chp 75 Ω 1/10w rd255100 r.Car.Chp 100 Ω 1/10...

  • Page 79

    78 ■ exploded view a b c d e 1 2 3 4 5 6 7 3-20 3-3 3-18 5-1 5-4 5-8 5-6 5-2 5-3 5-5 5-7 5-10 5-10 4-10 4-1 4-2 2-2 2-5 2-4 2-1 200 200-1 2-3 2-10 5-10 5-9-1 5-4 3-20 3-20 3-20 3-15 3-11 3-12 73 73 35 35 73 31 62 62 62 76 76 50 33 62 72 72 62 13 46 40 62 9 (6) 55 72 34 9 9 (3) 9 (4) (5) 36 62 73 62 ...

  • Page 80

    79 80 dvd-c900 ■ mechanical parts ref. No. Part no. Description remarks markets new parts * * 2-1 vz762300 holder, clamper/d * 2-2 vz762400 clamper d * 2-3 vz762500 plate, clamper d * 2-4 vz762600 frame, clamper * 2-5 vz762700 plate, back d * 2-6 v2014800 magnet, d neorec37h 2-10 ep600230 bind head ...

  • Page 81

    ■ exploded view (cm-200 unit) a b c d e 1 2 3 4 5 6 7 81 dvd-c900 82 ■ mechanical parts (cm-200 unit) : apply the grease g31kb (vq472900) 26 30 27 14 15 25 30 1 17 30 19 3 28 16 30 24 30 30 13 23 30 22 16 1 9 28 30 7 1 31 31 1 8 3 14 15 11 13 30 30 12 3 21 14 18 20 30 32 10 30 30 (2) (3) (4) (1) 5 r...

  • Page 82

    A b c d e 1 2 3 4 5 6 7 83 ■ exploded view (traverse unit) ■ mechanical parts (traverse unit) dvd-c900 ref. No. Part no. Description remarks markets new parts * * 71 mx605090 flexible cable 11p vwj1116 * 72 nx701940 p.C.B. Ass'y mechanism if vep90367a * 73 nx635670 d chassis unit vxa5786 * 74 cx6801...

  • Page 83

    A b c d e f g h 1 2 3 4 5 6 dvd-c900 85 86 swtching power supply (dl893w : v2687300) p. C. B. Switching power supply r23 d22 d2 0 d1 9 d2 1 t2 r24 j w1 r1 8 j w1 9 c1 4 c29 c30 6 tk 1 l1 cn1 f1 cn2 3 250v t3. 15ah r1 c1 l2 c3 c4 th1 rc1 c2 r4 r3 c6 r2 c5 r25 t1 14 8 rx 2 r8 d5 r7 rx1 r5 r10 r6 d2 c7...

  • Page 84

    Dvd-c900 dvd-c900 schm ref. Part no. Description remarks * new parts schm ref. Part no. Description remarks * new parts z * v2687300 pwr.Supply dl893w f1 aax08230 fuse 3.15a 250v 23642453 * fh1 aax08240 holder.Fus eyf-52bcz 23643614 t1 aax08440 trns.Pwr ext41540-736 31566908 t2 aax08450 trns.Pwr 980...

  • Page 85

    97 parts list for carbon resistors 1/4w type hj35 10mm 1/6w type hf85 5mm 1/4w type hf45 1/6w type part no. Hf45 7100 hf45 7110 hf85 7120 hf45 7130 hf45 7150 hf45 7180 hf45 7220 hf45 7240 hf85 7270 hf45 7300 hf45 7330 hf45 7360 hf45 7390 hf45 7470 hf45 7510 hf45 7560 hf45 7620 hf45 7680 hf45 7820 hf...