Dvd plyaer dhc - 2300k service manual dvd player contents 1. Precautions 2. Reference information 3. Product specification 4. Operating instructions 5. Disassembly and reassembly 6. Troubleshooting 7. Electrical part list 8. Block diagram 9. Pcb diagrams 10. Wiring diagram 11. Schematic diagrams.
2 1) before returning an instrument to the customer, always make a safety check of the entire instrument, including, but not limited to, the following items: (1) be sure that no built-in protective devices are defective or have been defeated during servicing. (1) protective shields are provided to p...
3 (5) within the limits specified, there is the possibility of a shock hazard, and the instrument must be re-pared and rechecked before it is returned to the customer. See fig. 1-2. Fig. 1-2 insulation resistance test 2) read and comply with all caution and safety related notes non or inside the cab...
4 caution : before servicing instruments covered by this service manual and its supplements, read and follow the safety precautions section of this manual. Note : if unforeseen circument create conflict between the following servicing precautions and any of the safety precautions, always follow the ...
5 electrostatically sensitive devices (esd) some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called electrostatically sensitive devices(esd). Examples of typical esd devices are integrated circuits and some field-effect transistors an...
6 * d.C. Power supply a 4-pin shrouded, keyed male connector is used to provide the d.C. Power. The pin assignment is described below. Pin dc volts 1 +12v 2 gnd 3 gnd 4 +5v figure-1 d.C. Power connector * interface connector a 39-pin male, unshielded, shrouded, keyed connector are applied. Please re...
7 i/f signals i/o pin # i/f signals i/o pin # reset 1 dmarq 21 gnd 2 gnd 22 dd7 3 diow 23 dd8 4 gnd 24 dd6 5 dior 25 dd9 6 gnd 26 dd5 7 iordy 27 dd10 8 csel 28 dd4 9 dmack 29 dd11 10 gnd 30 dd3 11 intrq 31 dd12 12 iocs16 32 dd2 13 da1 33 dd13 14 pdiag 34 dd1 15 da0 35 dd14 16 da2 36 dd0 17 cs1fs 37 ...
8 appendix 2. Key-components list items model no. Maker location dmdspc41c samsung korea spindle motor rsm-2811f samhongsa korea rf-300ca-11440 mabuchi japan loading motor mdn3bl3csa matsushita japan rf-300ca-11440 mabuchi japan sled motor mdn3bl3csa matsushita japan laser pick-up sf-hd3 sanyo japan...
9 * recommended operating conditions item symbol min. Typ. Max. Unit supply voltage vcc 4.75 5.0 5.25 v high level input voltage vih 2.0 - vcc v low level input voltage vil 0 - 0.8 v component descriptions 2-1-2 fiber optic transmitting module for digital audio eqipments (totx178).
10 component descriptions 2-1-3 ntsc/pal digital video encoder (adv7170).
11 comonent descriptions ma.
12 comonent descriptions.
13 * features l single-chip dvd video decoder in a 208-pin pqfp package l supports mpeg-1 system and mpeg-2 program streams l programmable multimedia processor architecture l compatible with audio cd, video cd, vcd 3.0, and super video cd(svcd) l dvd navigation 1 l built-in content scrambling system...
14 * functional description component descriptions.
15 component descriptions * pinout diagram.
16 *pin description name number i/o definition vcc 1, 9, 18, 27, 35, 44, 51, 59, 68, 75, 83, 92, 99, 104, 111, 121, 130, 139, 148, 157, 164, 172, 183, 193, 201 i 3.65 v ± 150 mv. La[21:0] 23:19,16:10,7:2,207:204 o device address output. Vss 8,17,26,34,43,52,60,67,76,84,91,98,103, 112,120,129,1 38,14...
17 component descriptions name number i/o definition hsynch# 119 i/o horizontal synch for screen video interface, programmable for rising or falling edge, active low. Hd[15:0] 141:140, 137:131, 128:122 o host data bus hcs1fx# 152 o host select 1. Hcs3fx# 153 o host select 3. Hiocs16# 151 i device 16...
18 component descriptions 2-1-5 digital-to-analog stereo audio converter (cs4391).
19 component descriptions.
20 component descriptions.
21 component descriptions.
22 component descriptions 2-1-6 digital-to-analog stereo audio converter (cs4340).
23 component descriptions.
24 component descriptions.
25 absolute maximum ratings power suppiy voltage……………………………6.0v input current………………………………………15ma power dissipatron…………………………………75mw operating temperature range………………….-55~+125 ° c storage tenperature……………………………..-65~+150 ° c component descriptions.
26 * features fully static design 8-bit cmos microcontroller 256 bytes of on-chip scratchpad ram 8 kb electrically erasable/programmable mtp-rom 64 kb program memory address space 64 kb data memory address space four 8-bit bi-directional ports three 16-bit timer/counters one full duplex serial port(...
27 component descriptions * pin description symbol descriptions ea# external access enable: this pin forces the processor to execute out of external rom. It should be kept high to access internal rom. The rom address and data will not be presented on the bus if ea pin is high and the program counter...
28 * block diagram * absolute maximum ratings parameter symbol min. Max. Unit dc power supply vdd-vss -0.3 +7.0 v input voltage vin vss -0.3 vdd +0.3 v operating temperature ta 0 70 °c storage temperature tst -55 +150 °c component descriptions.
29 * features • low-voltage and standard-voltage operation – 5.0 (v cc = 4.5v to 5.5v) – 2.7 (v cc = 2.7v to 5.5v) – 2.5 (v cc = 2.5v to 5.5v) – 1.8 (v cc = 1.8v to 5.5v) • internally organized 128 x 8 (1k), 256 x 8 (2k), 512 x 8 (4k),1024 x 8 (8k) or 2048 x 8 (16k) • 2-wire serial interface • schmi...
30 component descriptions * features • 5.0v±40% for read and write operations • access time –70max • current –20 ma typical active read current –30 ma typical program/erase current –1µa typical cmos standby • flexible sector architecture – 8 uniform sectors of 64 kbyte each – any combination of sect...
31 block diagram * absolute maximum ratings* ambient operating temperature ...................... -55°c to +125°c storage temperature ...................................…. -65°c to +150°c voc ground .……………………………………..-2.0v to +7.0v output voltage…………………………………… -2.0v to +7.0v component descriptions.
32 features n jedec standard 3.3v power supply n lvttl compatible with multiplexed address n dual banks / pulse ras n mrs cycle with address key programs - cas latency (2,3) - burst length (1,2,4,8 & full page) - burst type (sequential & interleave) n all inputs are sampled at the positive going edg...
33 component descriptions block diagram pin descriptions symbol name description clk system clock active on the positive going edge to sample all inputs. Cs chip select disables or enables device operation by masking or enabling all inputs exceptclk, cke and l(u)dqm cke clock enable masks system clo...
34 n playback system dvd video video cd (1.1, 2.0, 3.0) svcd and cvd cdda cd-rom with mp3 data n television signal system ntsc/pal n video performance video out 1 vpp into 75 ohm s-video out y : 1 vpp into 75 ohm c : 0.286 vpp into 75 ohm component out 0.7 vpp into 75 ohm d/a converter 27mhz / 10bit...
35 n connections coaxial digital out x1 audio analog out for 2-channel x1 scart connector for component video x1 scart connector for external video x1 (option) composite video out x1 s-video out x1 optical out x1 n power supply power source ac 90~250v, 50/60hz power consumption n set dimensions (w x...
36 connecting to audio equipment connecting to a monaural tv set 4. Operating instructions 4-1 basic connections audio equipment tv set audio cable (optional) to audio input connector (red, white) s-video cable (optional) to s-video input connector video/audio cable (supplied) to video input connect...
37 connecting to a stereo tv set connecting to a decoder with a dolby digital or dts processing tv set video/audio cable (supplied) coaxial audio cable (optional) to coaxial digital audio input optical audio cable (optional) to optical digital audio input decoder or amplifier with dolby digital / dt...
38 press setup button and select video submenu on setup screen. After that, select tv type by pressing down arrow button ( ▼) until desired tv mode is selected. For more information, refer to 7.2 video on the instruction manual. When a dvd disc is loaded, select desired menu item using arrow button ...
39 use arrow button and select an mp3 title using the select button then play will start automatically. When you know the title number, enter the mp3 title number using numeric buttons and press the se- lect button. If you want to play an adjacent mp3 title, press the next button for next title and ...
40 when you want to view the disc contents very slowly in forward or reverse direction, you can do that by pressing the ff/sf button ( ) or the fr/sr button ( ) during pause mode. There are total 3 steps for dvd and vcd. They are slow 1/2x, slow 1/4x and slow 1/8x for both direction. The slow revers...
41 some dvd discs may contain scenes, which have been shot simul- taneously from a number of different angles. If the loaded disc su- pports multiple angles, you can see indicator on the fluorescent display and the tv screen. In the figure shown right, there are total 9 angles. To switch to the angl...
42 operating instructions remained to be defined.
43 1) supply power and open tray ¶. 2) disassemble the door tray · in direction off arrow “a”. 3) close tray ¶ and power off. Note : if tray ¶ doesn’t open, insert a screw driver ¹ into the emergency hole ¸ (as shown in detailed drawing) and then turn it in the direction of arrow “b”. Open tray manu...
44 1) remove 3 screws ¶ on the back top cabinet. 2) remove 2 screws ·, ¸ on the left and right side. 3) lift up the top cabinet in direction of arrow. Disassembly and reassembly 5-1-2 top cabinet removal · 2 screws ¶ 3 screws ¸ 2 screws fig 5-2 top cabinet removal.
45 1) disconnect pcn1 ¶. 2) disconnect pcn4 ·. 3) disconnect lcn1 ¸. 4) disconnect con2 ¹. 5) disconnect con1 º. 6) disconnect con6 ». 7) disconnect lcn7 ○ 7 . 5-1-3 pcb cable removal disassembly and reassembly ¶ pcn1 · pcn4 ○ 7 lcn7 ¹ con2 º con1 fig 5-3 pcb cable removal ¸ lcn1 º con6.
46 1) remove 2 screws ¶ on the back of the cabinet. 2) remove 8 screws · and disassemble the main pcb ¹ and smps pcb º. 3) remove 5 screws ¸ and disassemble the front ass’y ». 5-1-4 pcb and front ass’y removal disassembly and reassembly · 8 screws ¸ 5 screws º smps pcb ¹ main pcb » front ass’y fig 5...
47 1) remove 4 screws ¶ and disassemble the loader ·. 5-1-5 loader removal disassembly and reassembly ¶ 4 screws · loader fig 5-5 loader removal.
48 1) remove 7 screws ¶ and disassemble the front pcb ¸ from the front ass’y ·. ` 5-1-6 front pcb removal ¶ 7 screws · front ass’y ¸ front pcb disassembly and reassembly fig 5-6 front pcb removal.
49 trouble action no power insert the ac power plug securely into the power outlet. No picture make sure that the equipment is connected properly. Make sure that the input setting for the tv is video (av). No sound make sure that the equipment is connected properly. Distorted sound make sure that th...
50 troubleshooting remained to be defined.
51 1.Main board 5.1 channel single scart location no spec pak' usa' no ass'y main 1 smps manual 1 2 hard disc cable, 25mm, 40pin 1 3 dvd loader, mechanism ass'y ass'y 1 pcb ass'y, main (t/u) 1 80c52(80c51), 40pin dip, mpu dip 1 u701 2 program memory 512k * 8 dip 1 u202 pcb ass'y, main (m/i) 1 power ...
52 1 pcb, 2 layer fr4 1 2 cpu&risc single chip pqfp 1 u201 3 video encoder, ntsc/pal lqfp 1 u401 4 16m-sdram, 3.3v,400mil,512k*16*2 tsop(ii ) 2 u204,u203 5 ttl, hex inverter(fast) soic 1 u206 6 ttl, hex inverter soic 1 u207 7 eeprom, 2kbit,soic soic 1 u205 8 streo dac,192khz,24bit,20pin soic 1 u301 ...
53 35 chip res', 1/10w,3.3k Ωj 1608 27 r201,r334,r342,r345,r347,r361,r405,r520,r525, r530,r535,r540,r545,r550,r555,r618,r619,r703, r705,r706,r707,r708,r709,r710,r713,r714,r717 36 chip res', 1/10w,47 Ωj 1608 9 r211,r212,r213,r214,r215,r216,r217,r218,r508 37 chip res', 1/10w,470 Ωj 1608 1 r404 38 chip...
54 5.1 channel dual scart location no spec pak' usa' no ass'y main 1 smps manual 1 2 hard disc cable, 25mm, 40pin 1 3 dvd loader, mechanism ass'y ass'y 1 pcb ass'y, main (t/u) 1 80c52(80c51), 40pin dip, mpu dip 1 u701 2 program memory 512k * 8 dip 1 u202 pcb ass'y, main (m/i) 1 power con', 12pin, 2....
55 1 pcb, 2 layer fr4 1 2 cpu&risc single chip pqfp 1 u201 3 video encoder, ntsc/pal lqfp 1 u401 4 16m-sdram, 3.3v,400mil,512k*16*2 tsop(ii) 2 u204,u203 5 ttl, hex inverter(fast) soic 1 u206 6 ttl, hex inverter soic 1 u207 7 eeprom, 2kbit,soic soic 1 u205 8 streo dac,192khz,24bit,20pin soic 1 u301 9...
56 36 chip res', 1/10w,47 Ωj 1608 9 r211,r212,r213,r214,r215,r216,r217,r218,r508 37 chip res', 1/10w,470 Ωj 1608 1 r404 38 chip res', 1/10w,47k Ωj 1608 2 r239,r240 39 chip res', 1/10w,4.7k Ωj 1608 11 r101,r102,r204,r241,r242,r243,r510,r511,r513,r515 ,r517 40 chip res', 1/10w,5.6k Ωj 1608 12 r322,r32...
57 2. Headphone board pcb ass'y, headphone (m/i) 1 headphone wire, 9pin-9pin(pcb), pcb in wire 1 con901 2 headphone jack 1 jac901 3 variable resistor 1 vr901 pcb ass'y, headphone (rad) 1 elec' cap', 22uf/16v,m 5mm 2 ce902,ce901 2 elec' cap', 47uf/25v,m 5mm 2 ce903,ce904 pcb ass'y, headphone (smd) 1 ...
58 9 axi' res', 1/8w,56k Ωj axial 1 r12 10 axi' res', 1/6w,10k Ωj axial 6 r3,r4,r5,r6,r7,r8 11 axi' res', 1/6w,330 Ωj axial 1 r1 12 axi' res', 1/6w,22 Ωj axial 1 nr1 pcb ass'y, front bottum (smd) 1 vfd driver pqfp 1 u1 4. Smps part list no spec pak' usa' no pcb ass'y, smps (rad) 1 elec' cap', 220uf/...
59 16 res-rd', 1/4w,2k Ωj 3 pr10,13,29 17 res-rd', 1/8w,4.7k Ωj 1 pr36 18 res-rd', 1/8w,6.8k Ωj 1 pr41 19 res-rd', 1/4w,270k Ωj 2 pr2,28 no spec pak' usa' no 20 res-rn', 1/8w,2k Ωj f 3 pr23,31,37 21 res-rn', 1/8w,12k Ωj f 1 pr45 22 res-rn', 1/8w,6.8k Ωj f 1 pr34 23 res-mof', 2w,15 Ωj (mor) 2 pr44,46...
60 electrical part list remained to be defined.
61 8. Block diagram power pcb loader (dvs) a/v decoder & main cpu vfd key matrix rcu remocon eye video encoder d/a converte r sub micom main pcb front pcb head phone pcb.
62 block diagram remained to be defined.
63 9. Pcb diagrams 9-1 main pcb (component side).
64 9-2 main pcb (solder side) pcb diagrams.
65 9-3 front pcb (component side) 9-4 front pcb (solder side) pcb diagrams.
66 9-5 smps pcb (top side) pcb diagrams.
67 9-6 smps pcb (bottom side) pcb diagrams.
68 10. Wiring diagram.
69 wiring diagram remained to be defined.
70 11. Schematic diagrams 11-1 main pcb schematic diagram 11-1-1 main pcb top schematic diagram.
71 schematic diagrams 11-1-2 main pcb a/v decoder block schematic diagram.
72 schematic diagrams 11-1-3 main pcb submicom block schematic diagram.
73 schematic diagrams 11-1-4 main pcb video block schematic diagram.
74 schematic diagrams 11-1-5 main pcb audio block schematic diagram.
75 11-1-6 main pcb out stage block schematic diagram schematic diagrams.
76 11-2 front pcb schematic diagram 11-2-1 front pcb schematic diagram.
77 11-3 smps pcb schematic diagram.
78 schematic diagrams remained to be defined.
79 taeyoung telstar co.,ltd may.2001 printed in korea.