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Cambridge Audio DVD89 Service Manual

Summary of DVD89

  • Page 1

    Gallery court hankey place london se1 4bb uk tel: +44 (0)20 7940 2200 fax: +44 (0)20 7940 2233 dvd89 issue date: 27th february 2006 service manual specifications: disc types dvd, dvd-a, dvd-v, cd-rw cd-r, cd-da, divx, sacd audio formats 5.1 and stereo downmix lpcm 16 bit 44.1khz dolby digital 5.1 24...

  • Page 2: Dvd89 Service Manual

    Dvd89 service manual table of contents safety precautions 3 front panel illustration 4 prevention of static electricity discharge 5 mechanism unit exploded diagram 6 bracket exploded view and parts list 7 protection of the laser diode 8 video output confirmations – luminance & chrominance signal 9 h...

  • Page 3

    1.When servicing,observe the original lead dress.Ifa short circuit is found,replace all parts which have been overheated or damaged by the short circuit. 2.After servicing,see to it that all the protective devices such as insulation barrier,insulation papers shields are properly installed. 3.After s...

  • Page 4

    Cambridge audio dvd89 dvd player front panel illustration power switch 6 5 stop button play/pause button skip/scan button 4 2 3 display window 7 disc tray open/close button 5 2 3 7 6 4.

  • Page 5

    86-756-8687998 cambridge audio dvd89 dvd player prevention of static electricity discharge the laser diode in the traverse unit (optical pickup)may brake down due to static electricity of clothes or human the laser diode in the traverse unit (optical pickup) may break down due to static electricity ...

  • Page 6

    Cambridge audio dvd89 dvd player mechanism unit exploded diagram.

  • Page 7

    Cambridge audio dvd89 dvd player bracket exploded view and parts list 1) bracket 2) belt 3) screw 4) belt wheel 5) gear wheel 6) iron chip 7) immobility mechanism equipment 8) magnet 9) platen 10) bridge bracket 11) screw 12) screw 13) big bracket 14) front silicon rubber 15) back silicon rubber 16)...

  • Page 8

    86-756-8687998 cambridge audio dvd89 dvd player protection of the laser diode laser diode protection shorts (replacement parts) cautions on assembly and adjustment make sure that the workbenches, jigs, tips, tips of soldering irons and measuring instruments are grounded, for replacement optical pick...

  • Page 9

    86-756-8687998 cambridge audio dvd89 dvd player video output confirmations - luminance & chrominance signal do these confirmations after replacing a p.C.B. - (luminance signal) purpose:to maintain video signal output compatibility. 1.Connect the oscilloscope to the video output terminal and terminat...

  • Page 10

    Cambridge audio dvd89 dvd player (u211) hy57v641620hg pin configuration & description pin configuration pin description pin pin name description clk clock the system clock input. All other inputs are registered to the sdram on the rising edge of clk cke clock enable controls internal clock signal an...

  • Page 11

    Cambridge audio dvd89 dvd player (u211) hy57v641620hg functional block diagram 1mbit x 4banks x 16 i/o synchronous dram x d ec od ers s ta te m ac hin e a0 a1 a11 ba0 ba1 a dd re ss b uff ers address registers mode registers row pre decoders column pre decoders column add counter row active column a...

  • Page 12

    Cambridge audio dvd89 dvd player (u203) mt1392 pin definitions pin number symbol type description 1 dvss gnd digital ground 2-9 c0-c7 i, pd normal : digital chroma input vdac test : dac test mode [0:7] input. Bist mode : bist data input 10 dvdd33 vdd digital power, 3.3v 11 vck i clock of digital vid...

  • Page 13

    Cambridge audio dvd89 dvd player (u203) mt1392 pin definitions pin number symbol type description msd/gpo6 io,pu masteri2c on : master serial interface data input/output bist mode : sram fail output normal : general purpose output 36 gpo7 io,pd poweron : eprom word-address type. 1 : 16bit , 0 : 8bit...

  • Page 14

    Cambridge audio dvd89 dvd player (u203) mt1392 pin definitions pin number symbol type description spdif i normal : s/pdif audio input scan mode : test _se input vdac test : vdac test reset, active low. Bist mode : bist reset, active low. 73 ad3 i normal : i 2 s data of channel 6/7 vdac test : vdac t...

  • Page 15

    Cambridge audio dvd89 dvd player (u203) mt1392 system confirguration & functional block s ystem c onfiguration cvbs, s-video cav i 2 c audio & video processor eprom mt1392 hdmi digital a/v i 2 c f unctional b lock cav inbuf scaler tve i 2 c slave hdmi tx tmds pll dac 60958 packer i 2 c master hdcp k...

  • Page 16

    Cambridge audio dvd89 dvd player (u203) mt1392 functions inbuf accept digital video signal such as ccir656/ccir601 for 480i and 576i, smpte-293 for 480p and 576p, 720p and 1080i. Extract hsync/vsync from incoming ccir656 and smpte-293 video signal. Arbitrary ratio horizontal scaling, which converts ...

  • Page 17: Mt1392

    Cambridge audio dvd89 dvd player (u203) mt1392 pinout diagram 1 a b c k 2 3 c2 4 c3 5 c4 6 c5 7 c6 8 c7 9 dvss 10 y0 11 y1 12 y4 13 y5 14 15 a d 0 16 a d 1 17 18 19 20 80 a lr c k 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 ...

  • Page 18

    Cambridge audio dvd89 dvd player (u201) mt1389 pinout diagram 1 o s n 2 o s p 3 4 dvdr f ip 5 dvdr f in 6 ma 7 mb 8 mc 9 md 10 11 s b 12 s c 13 s d 14 c df on 15 c df op 16 tni 17 tp i 18 mdi1 19 mdi2 20 ldo2 21 ldo1 22 v2r e f o 23 vr e f o 24 v20 25 te o 26 f e o 27 28 29 h r f z c 30 c r t p l p ...

  • Page 19

    Cambridge audio dvd89 dvd player (u201) mt1389 block diagram dvd p uh module motor drive s ervo i/o s ervo p rocessor audio ds p video input audio output audio dac c c ir 601/65 c vb s , y /c c omponent video s p dif p c m / ds d audio input s ac d p rocessor s ystem parser c p p m/c p r m dr m 30-b...

  • Page 20

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (rf interface) r f interface (28) a dc for s ac d (5) a l p c (4) no. Name a lt. I/o f unc tion 226 r f g nd18 g round analog ground 227 r f v dd18 p ower analog power 1.8v 250 c e qp analog output e q offset loop capacitance 251 c e qn ana...

  • Page 21

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (analog monitor output) motor and a ctuator driver interface (10) r f data p l l interface (9) a nalog monitor output (7) no. Name a lt. I/o f unction 24 s v dd3 p ower analog power 3.3v 25 c s o r f op analog output c entral servo p ositiv...

  • Page 22

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (general power/ground, micro controller & flash interface) micro c ontroller and f las h interface (48) g eneral power / g r ound (32) no. Name alt. I/o f unction 52, 97, 122, 152, 173, 221 dvdd18 p ower 1.8v power pin for internal digital ...

  • Page 23

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (micro controller & flash interface) no. Name alt. I/o f unction 90 ale inout, 2-16ma, s r , p u, s mt microcontroller address latch enable 79 iooe # inout, 2-16ma, s r , s mt f lash output enable, active low / io 66 iowr # inout, 2-16ma, s...

  • Page 24

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (audio interface) audio interfac e (14) no. Name a lt. I/o f unc tion 208 s p mc lk s c lk 0 inout audio dac mas ter clock of s p dif input while s p dif input is not us ed: s erial interface port 0 clock pin g p io 209 s p dat a s din0 ino...

  • Page 25

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (video interface) v ideo interface (18) no. Name a lt. I/o f unction 189 dac v ddc p ower 3.3v power pin for v ide o dac circuitry 190 v r e f analog b andgap reference voltage 191 f s analog f ull scale adjustment 192 y uv 0 c in output 4m...

  • Page 26

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (dram interface) dr a m interface (63)(s or ted by pos ition) no. Name a lt. I/o f unction 188 r d16 llc _c lk s mp t e _c [0] inout p ull-down dr am data 16 while using 16-bits wide dr am: line locked c lock input/output digital v ideo out...

  • Page 27

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (dram interface) no. Name a lt. I/o f unction 174 r d26 s dc s 1 ms c lk s mp t e _y [2] inout non-pull dr am data 26 while using 16-bits wide dr am: s erial interface port 1 chip select memory s tick c lock part ii digital v ideo output y ...

  • Page 28

    Cambridge audio dvd89 dvd player (u201) mt1389 pin function (dram interface & jtag interface) no. Name a lt. I/o f unction 142 r c s # output dr am chip select, active low 140 r as # output dr am row address strobe, active low 139 c as # output dr am column address strobe, active low 138 r we # outp...

  • Page 29

    Cambridge audio dvd89 dvd player front panel & vfd schematic sw1 1 sw2 2 sw3 3 sw4 4 do 5 din 6 vss 7 clk 8 stb 9 key1 10 key2 11 k ey 3 12 k ey 4 13 v d d 14 s1 15 s2 16 s3 17 s4 18 s5 19 s6 20 s7 21 s8 22 s9 23 s10 24 s11 25 s12/g1 26 vee 27 s13/g1 28 s14/g9 29 s15/g8 30 s16/g7 31 g6 32 g5 33 g 4 ...

  • Page 30

    Cambridge audio dvd89 dvd player front panel & vfd board layout 86-756-8687998.

  • Page 31

    Cambridge audio dvd89 dvd player power supply schematic u503 lm431a c515 104 l505 10uh/1a c506 223 l507 10uh/2a l506 10uh/2a bc502 ~275v 104 l502 ut-20 40mh f501 t1.6a/250v r k a ! ! ! R510 4.7k r509 12k r508 4.7k r506 330 r505 33ohm r502 120k/2w r503 39k/2w ! Bcn502 sw-spst ! ! U502 hs817 tc502 47u...

  • Page 32

    Cambridge audio dvd89 dvd player power supply pbc layout 86-756-8687998.

  • Page 33

    Cambridge audio dvd89 dvd player main pcb board (main processor)) dvda 2 c eq p 25 0 dvdb 3 dvdc 4 dvdd 5 agnd 1 o sp 25 2 o sn 25 3 dvdrfip 6 dvdrfin 7 ma 8 mb 9 mc 10 md 11 sa 12 sb 13 sc 14 sd 15 cdfon 16 cdfop 17 tni 18 tpi 19 mdi1 20 mdi2 21 ldo2 22 ldo1 23 a v d d 3 25 6 v2refo 28 sgnd 27 vref...

  • Page 34

    Cambridge audio dvd89 dvd player main pcb board (memory, reset & main clock) 2 3 4 1 xs202 xs04(dns) dv33 rxd txd gnd c2163 104 c2166 104 sd33 l226 fbsmt dv33 c332 102 vd201 1n4148 r252 100k 5 6 u205c hcu04 vcc dc/nc 1 rst_/nc 2 wp/rst_ 3 vss 4 vcc 8 rst/wp 7 scl 6 sda 5 u202 at24c02 sda scl c259 10...

  • Page 35

    Cambridge audio dvd89 dvd player main pcb board (audio dacs, output filters & mute) r2108 10k +9v r2109 10k r2104 1k vd205 1n4148 vcc r2103 1k agnd vd206 1n4148 -9v mute-1 tc235 100uf/16v agnd r2106 10k q212 2sc1815-ys q218 1015 q219 1015 sw /c sr# sl# r l tc225 10uf/16v tc226 10uf/16v tc227 10uf/16...

  • Page 36

    Cambridge audio dvd89 dvd player main pcb board (dvi & hdmi) c4 6 c5 7 c6 8 c7 9 dvdd33 10 vck 11 dvss 1 c0 2 c1 3 c2 4 c3 5 dvss 12 y0 13 y1 14 y2 15 y3 16 y4 17 y5 18 y6 19 y7 20 ss c k 21 ss d 22 d v d d 18 23 pw d n 24 r st 25 c l k 26 in t 27 d v ss 28 a 7/ g po 0 29 a 6/ g po 1 30 t r a p2 /g ...

  • Page 37

    Cambridge audio dvd89 dvd player main pcb board (video outputs) r703 150r vin 1 vcc 2 gnd 3 jk705 optical vcc video_v l710 fbsmt l709 fbsmt l708 fbsmt l707 fbsmt video_y1 video_u vgnd green blue red cc agnd vgnd video_comp lfe sl sr lt rt red white black l701 fbsmt l702 fbsmt l703 fbsmt l704 fbsmt l...

  • Page 38

    Cambridge audio dvd89 dvd player main pcb board layout 86-756-8687998.

  • Page 39

    Cambridge audio dvd89 dvd player power board parts list power board material name specifications unit location 0000273 carbon film resistor 1/4w33Ω±5% shaped 10 pcs 1 r505 0000278 carbon film resistor 1/4w330Ω±5% shaped 10 pcs 1 r506 0000289 carbon film resistor 1/4w4.7k±5% shaped 10 pcs 1 r510 0010...

  • Page 40

    Cambridge audio dvd89 dvd player main panel parts list main panel material name specifications unit location 5230060 soft sponge spacer 10×12×3 double-sided hard pcs 2 vconnect vfd screen and front panel pcb 5230606 soft sponge spacer 12×10×8 double-sided hard pcs 1 connect remote control reveiver a...

  • Page 41

    Cambridge audio dvd89 dvd player decode board parts list decode board material name specifications unit location 0090001 smd resistor 1/16w 0 ±5% 0603 pcs 27 r222,r245,r247,r248,r251,r257,r258,r2 97~r299,r318,r342,r707,r718~r722,r725 ,r726,r2159,r732~r737 0090272 smd resistor 1/16w1 ±5% 0603 pcs 5 r...

  • Page 42

    Cambridge audio dvd89 dvd player decode board parts list 0310207 smd capacitor 50v 104 ±20% x7r 0603 pcs 98 c207~c209,c211,c214,c216,c217,c224,c2 26~c228,c230~c232,c234~c239,c241~c25 4,c256~c259,c267,c274,c279~c281,c301~ c303,c305,c311,c312,c323,c325~c329,c7 14,c715,c720,c730,c736~c740,c742~c746 ,c7...

  • Page 43

    Cambridge audio dvd89 dvd player serviceable parts list ap part no description pb022 5471589 dvd-89 remote control pb023 5461669 dvd-89 dvd mechanism complete pb024 5447519 dvd-89 mpeg board complete pb025 5447441 dvd-89 psu board complete serviceable parts no component parts are supplied.