Philips-DVD-737-Service-Manual(1) 电路图 维修手册.pdf

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1、CLASS 1 LASER PRODUCT Service Manual Service ServiceService ServiceService DVD737/00/02/05 TABLE OF CONTENTS Page Technical Specifications .1-2 Service Aids, Safety Instruction, etc.1-3 Disassembly Instructions fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono ch

2、e lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exi

3、st. The leakage current must not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GB Warning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja s

4、uojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DK Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. 2-1 DISMANTLING INSTRUCTIONS Dismantling of the Front Panel assembly 1) Open the Tray and remov

5、e the tray cover assy (pos 101- 19-1 + 101-19-5) and remove it as shown in figure 1. Note: The Tray can be manually open by inserting a minus screw driver (approximately 9mm) and push lever in the direction shown in figure 2. 2) Loosen the 5 screws to dismantle the Top Cover (pos 252) - 2 screws on

6、each side - 3 screws on the Rear Panel (pos 251). 3) Uncatch 6 catches (2x on side & 2x on the bottom and 2x on the Loader C2) to slide the Front Panel assembly (pos 101) as per figure 3. Figure 1 Figure 2 2-2 Dismantling of the PSU, Loader Mechanism & MPEG board 1) Remove the Tray cover as per inst

7、ruction to remove the Front panel assembly 2) Loosen 4 screws A and 2 catches C2 to remove the Loader Module (pos 1002) as per figure 3. DISMANTLING INSTRUCTIONS 3) Loosen 5 screws (2x screw B and 3x screw E) to remove the MPEG board (pos 1003) as per figures 3 and 4. 4) Loosen 2 screws D and 2 catc

8、hes C1 to remove the PSU board (pos 1001). Figure 3 Figure 4 3-1 DVD Region code There is only 1 version of software (for region 2) in this range, therefore no special re-programming is required. However, it is possible to change the region code but do note that selecting a different region code wil

9、l not change the existing setting like TV system, output format, etc. Region code change is done as follows: 1) Power up the set and open tray. 2) Press button 3) Press follow by buttons on the Remote control. where x = numeric 1 to 6 denoting the regions below: 1=USA 2=Europe 3=Asia Pacific 4=Austr

10、alia, New Zealand, Latam 5=Russia, India 6=China Procedure to view Software version and Region code 1) Power up the set 2) Press button on the Remote control. 3) Press and buttons on the Remote control. 3) The TV screen will shows: VERSION : DP330.4.19 REG : 2 Region code Application software (backe

11、nd) Procedure to upgrade software 1) Power up the set and open tray. 2) Place upgrade CD-ROM onto tray and close it. 3) The FTD on the set and TV screen will response and display the following: - LOAD TV screen shows: DISC LOADING - DATA TV screen shows: READ - UPGRADE TV screen shows: UPGRADING fol

12、lowed by DONE when it is completed 4) The tray opens for you to remove the CD-ROM and the set switches to Standby. 5) The whole process should last less than 5 minutes. 3-2 No Operation The player does not operate No OSD and FTD display No picture and sound Check Power supply +5V and +/-12V to the M

13、peg board Put the Mains switch to ON 1.Check supply voltages at connector 1202 Pin 1&3 +5V Pin 5 +12V Pin 7 -12V 2. Check / Replace cable connection to conn. 1202 3. Check / Replace Power Supply Unit NO Check Power supply +3V3 and +2V0 to IC 7101 board YES 1. Check / Replace safety resistor 3200 2.

14、Check / Replace 3V3 regulator 7206 and transistor 7220 NO Check RESET signal at pin 24 / 7101 and pin 12 / 7100 YES 1. Check +5V supply to IC 7233 2. Check / Replace RESET IC 7233 NO Check 27MHz clk input at pin 105 of IC 7101 YES 1. Check / Replace crystal 1152 NO YES Check SDRAM CLK 108MHz at pin

15、38 / 7102 1. Check +3V3 supply voltage to IC 7102 2. Check / Replace resistors 3171 3. Check / Replace processor IC 7101 Note: There should be mechanical NO Measure waveform at pin 16 of Flash IC 7100 at Power-on and the waveform should look like in Fig A: During initialization waveform appear for 1

16、 sec and go low for next 1 sec. After start-up-continuous waveform. YES Is the waveform present ? 1.Check +3V3 supply voltage to IC 7100 2.Check / Replace jumper 4109 3.Check / Replace Flash IC 7100 NO YES 1.Check / Replace processor IC 7101 27MHz CLK 1 ch1 1V / div DC 50ns / div RESET 1 2 ? ? ? ? T

17、 ch1 ch2 2V / div DC 20ms / div SDRAM CLK ch1:? ? ? ? freq=? ? ? ? 108MHz 1 ch1 1V / div DC 10ns / div 3.Check / Replace 2V0 regulator 7207 1.00V / DC 200ms / div ch1 Fig A PM3380B Touble Shooting charts Touble Shooting charts 3-3 No Picture No Picture / Sound and FTD display OK Check Video output f

18、rom IC7101 Put the Mains switch to ON and play a DVD disc 1.Check RGB data lines connection from processor IC 7101 to Video Buffer 2.Check / Replace processor IC 7101 NO YES 1.Check +5VAV to the Video buffer circuitry 2.Check / Replace the components in the Video buffer circuitry. No Color Picture N

19、o Color on RGB and CBVS, Sound and FTD display OK Check 27 MHz crystal freq within 27MHz 30ppm. Put the Mains switch to ON and play a DVD disc 1.Check / Replace crystal 1152 NO YES 1.Check / Replace IC7101 3-4 Touble Shooting charts No Sound No sound Picture and FTD display OK Check Power supply -12

20、V to the Mpeg board Put the Mains switch to ON and play a DVD disc 1.Check supply voltage at connector 1202 Pin 7 : -12V 2.Check / Replace resistor 3204 3.Check / Replace cable connection to con 1202 4.Check / Replace Power Supply Unit NO Check I2S signal at Audio DAC IC 7201 input YES 1.Check I2S d

21、ata lines connection from processor IC 7101 to Audio DAC IC7201 2.Check / Replace processor IC 7101 NO Check Audio output at pin 9- 12/7201 Audio DAC YES 1.Check +5V supply to IC 7201 2.Check PDN (Power Down Mode ) voltage at pin 5/ 7201 +5V 3.Check /Replace R3229 and C2219 4.Check control data inpu

22、t at pin 6-8 of Audio DAC IC 7201 5.Check / Replace IC 7201 NO Check Audio DAC input detect at pin 16 of IC 7201= HIGH YES 1.Check / Replace IC 7201 NO YES Check Audio output at pin 1 & 7 of Audio buffer IC7220 1.Check +/-12V supply to IC 7200 2.Check / Replace buffer IC7220 NO PM3380B 1 Audio Outpu

23、t Check the Kill signal at Pin 22 / 7301 - LOW 1.Check the mute circuitry 1.Check +5 V and -12 V supply to the mute circuitry 2.Check the components in the mute circuitry NO YES YES S3-4-5-6 1 ch1 ch1 1V / div DC 50ns / div 1.00V / DC 500us / div Touble Shooting charts 3-5 No Digital Audio Out No Di

24、gital audio out from coaxial Check waveform at Pin 41 / 7101 Mpeg Board Put the Mains switch to ON and play a DVD disc. Ensure that SPDIF set-up in the Setup Menu is set to PCM. 1.Check / Replace Decoder IC 7101 NO 1.Check +5VAV supply to buffer IC 7202 2.Check / Replace buffer IC 7202 Check wavefor

25、m at output of buffer IC 7202 YES 1.Check continuity from output of IC 7202 to pin 3 of con 1203A 2.Check /Replace R3253,R3254 and C2242 NO YES PM3380B ch1 1 2.00V / DC 0.0 ns / div SPDIF 3-6 Touble Shooting charts No RC and FTD Display Front board no function FTD no display or Remote control no fun

26、ction Check Power supply to Front board Put the Mains switch to ON 1.Check supply voltage at connector 1101 Pin 1 - Gnd Pin 2 -+12V Pin 4 -+5V Pin 5 -24V 2.Check / Replace cable connection to con 1101 3.Check / Replace Power Supply Unit NO Check IR signal at pin 5 of con 1104 of Front Bd with a Remo

27、te YES 1.Check +5V to pin 2 of IR receiver 7101 on the Front board 2.Check / Replace resistor 3113. 3.Check / Replace IR receiver IC 7101 on the Front board NO Check VFD controller grid and segment output YES 1.Check +5V supply at pin 14 of IC 7100 on Front Board 2.Check /Replace R3100 and R3102 3.C

28、heck VEE voltage at pin 27 of IC 7100 - -24V 4.Check serial data input at pin 6/8/9 of VFD controller IC 7100 5.Check / Replace VFD controller IC 7100 on the Front Bd NO YES YES Check filament voltage VGL+1 & VGL-1 to FTD 1.Check filament voltage at FTD Pin 1/2 - -18Vdc (2.6Vac across) Pin 31/32 - -

29、18Vdc (2.6Vac across) 2.Check / Replace R3101 and D6100 on the front board 3.Check / Replace FTD display 1100 on the Front board NO 1.Check pulses at pin 15/16 of VFD controller IC 7100 2.Check / Replace diode D6102 and D6103 on the front bd 3.Check / Replace VFD controller IC 7100 on the Front bd C

30、heck local keyboard key functionality NO YES END PM3380B 1 T Pin 15 10V / AC 2ms / div 10V / AC 2ms / div Pin 16 PM3380B ch1 1 T IR SIGNAL 1 ch1 2V / div DC 2ms / div ch1 4-14-1 WIRING DIAGRAM LOADER (1002) DVD Loader A97S 3141 018 0390 MPEG BOARD ASSY (1003) 3139 248 8284 ESS Solution POWER BOARD (

31、1001) PSU CHEETAH 4 EURO NON-ECO 3122 429 0013 FRONT BOARD ASSY (1004): Standby 3139 248 8283 (B) FRONT BOARD ASSY (1004): Front Display 3139 248 8283 (A) 1200 1102 1101 0203 0200 0201 1202 1104 1149 1150 1 40 20 1 STBY_DECT 2 GND STBY_DECT GND 1 1 VFD_DATA 2 VFD_CLK 3 VFD_CS 4 GND 5 IR 1 GND 2 +12V

32、A 3 GND 4 +5V 5 VEE 1 GND 2 +12VA (+12VL) 3 GND 4 +5V (+5Vstby) 5 VEE (-24V) D5V (+5VD) GND D5V (+5VD) GND +12_IN (+12VA) GND -12V (-12VA) STDBY D5V (+5VL) GND GND +12VL 1 1 8 8103 3139 110 39191 CBLE HR 08P/480/08P HR 260S BK 1003 3139 110 37571 CBLE HR 05P/280/05P OE 260S BK 1001 3139 110 37551 CB

33、LE HR 05P/180/05P OE 260S BK 1000 3139 110 37191 CBLE HR 02P/340/02P OE 260S BK 8102 (ATAPI CABLE) 3141 010 21492 CWAS 40RK/40RK 180 40 28S 1 VFD_DATA 2 VFD_CLK 3 VFD_CS 4 GND 5 IR D5V (+5VD) GND D5V (+5VD) GND +12_IN (+12VA) GND -12V (-12VA) STDBY 8101 3139 131 02591 CBLE EH 04P/480/04P LCS 1111 11

34、11 3103 601 00142 CBLE SRA 1P/135/1P SIN UL 3139 249 2290 E Building Block DVD737 dd wk325 PSU BOARD (For Information only) 5-1 It is not recommended for component repair on this board but to replace the board when it becomes defective. Therefore no service parts list is published in this chapter. T

35、he only service part available for replacement is: PSU Board . 3122 429 00131 CIRCUIT DIAGRAM (FOR INFORMATION ONLY) J I H G F E D C B A 1 7 654321312111098 1312111098 7 654321 J I H G F E D C B A 5K1 SI2302DS 1N4006GP 6135 2119 22u 103YR25 1 2 4 3 only for non eco 9250 5116 CHASSIS STPS10L60D 6252

36、CHASSIS 0208 0206 F207 F208 F231 EH-B 1 2 3 4 5 F230 0203 100K 3250 4135 4210 9215 3255 1K 4211 10u 5230 10K 3251 F292 1K 3285 2116 33n 3116 220RBZX79-C15 6117 BZX79-C15 6116 22n 2213 F295 F296 F205 F206 F204 F203 F201 F202 F200 22n F217 2282 22n 2133 5 7 8 9 10 11 12 13 14 15 16 17 18 2 0125 Heatsi

37、nk CT282D4 5190 3294 220R 6 7 8 6 7 EH-B 0201 1 2 3 4 5 4 0202 EH-B 1 2 3 4 5 F241 0200 EH-B 1 2 3 F240 F281 F216 F280 F211 F215 F210 F256 F257F255 F250 F251 3256 10K 56K 3257 7255 BC847B 2K2 3254 3242 10K BC857B 7242 BC337-40 7240 7282 BC857B 10K 3282 7250 7280 BC337-40 10u 5280 5212 10u 5250 6u8 6

38、u8 5255 1N4006 6240 6210 BYD33D BAV21 6280 2240 22u 2280 100u 2250 1m 2210 220u 100p 2136 1K5 3137 F124 F125 F123 F121 F122 F120 F118 F119 3123 1R F291 9200 F290 2190 1n F103 F104 F102 3297 F101 3291 3K9 0100 VA 1 2 1K 3290 7290 TL431CZ 2 1 3 3292 220R 220n 2292 2295 22n 3295 22R 3293 220R 2130 1n 3

39、132 5K6 3133 22K 100n 2132 BAS316 6133 BZX79-C6V2 6132 3139 4K7 2139 22n 7190 TCET1102 2135 68p 3135 2K2 6130 BAV21 22u 2131 1N4006 6131 4134 3131 22K 5130 2u2 3121 1R 3122 1R 4 GND 10 HV 1 ISENSE 11 NC1 2 NC2 7 NC3 8 NC4 9 NC5 14 OVP 6 VCC 13 7130 TY72011AP2 CT 5 DEMAG 3 DRIVE 12 FB 3125 1N4148 612

40、5 3126 33R 47K 3127 330R 2120 100p STP4NC60 7125 2110 100n 2111 1n 1110 1N4006 6113 HT 2.50A 250V 1N4006 6112 1N4006 6110 1N4006 6111 off2 off1 off2 off1 Not_STBY Not_STBY Not_STBY +5Vstby Not_STBY +12V +5VL Vreg1 +5VL +12VL +12VL +5Vstby -24V +5VD +5VD +12VA -12VA STBY HV HV DEMAG DEMAG Vreg1 -12VA

41、 -24V +12V STBY +12VL +12VA +5VD 3122 427 23410 5-2 FRONT BOARDS TABLE OF CONTENTS FTD Display pin connection . 6-1 uPD16312 Internal Block diagram . 6-2 Front Standby part - circuit & layouts . 6-2 Front Display part - Circuit diagram . 6-3 Front Display part - Component & Chip layouts . 6-4 Front

42、Display part - Chip layout Part A. 6-5 Front Display part - Chip layout Part B . 6-6 Electrical parts list. 6-7 6-16-1 FTD DISPLAY PIN NO. FUNCTION 6 P 3 5 P 2 4 P 1 3 N P 2 F 1 1 F 1 7 P 4 9 P 6 1 0 P 7 1 1 P 8 1 2 P 9 8 P 5 1 4 P 11 1 5 P 12 1 6 P 13 1 7 P 14 1 3 P 10 1 8 P 15 1 9 N P 2 0 N P 2 1

43、N P 2 2 N P 2 3 7 G 2 4 6 G 2 6 4 G 2 7 3 G 2 8 2 G 2 9 1 G 2 5 5 G 3 0 N P 3 1 F 2 3 2 F 2 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 6G a j , p h k b f m g c e r n d - s 7G a j , p h k b f m g c e r n d - s 5G a j , p h k b f m g c e r n d col s 4G a j , p h k b f m g c e r n d - s 3G a j

44、, p h k b f m g c e r n d col s 2G a j , p h k b f m g c e r n d - s 1G a j , p h k b f m g c e r n d - s (1G-7G) a b c d e f g h j k m n p r s Col 7G6G5G4G3G2G1G FTD DISPLAY PIN CONNECTIONS uPD16312 Internal Block diagram 6-26-2 FRONT STANDBY PART - CIRCUIT & LAYOUT DIAGRAM 1 1 AA 1110 A11200 A1 12

45、00 440053 KEY1 P(2) 1 2 1110 Command decoder Display memory 16 bits x 11 words Serial Interface OSC Timing generator key scan Key data memory (4 x 6) Dimming circuit 16-bit output latch Segment driver multiplexed driver Data selector 11-bit shift register Grid driver Grid6 Grid1 Seg12 Seg16 Seg1 Seg

46、11 DIN DOUT CLK STB OSC LED4LED1 4-bit latch VDD (+5V) VSS (0V) VEE (-30V) 4239 44 5 6 8 9 10 7, 43 14, 3827 15 25 26 31 32 37 uPD16312 11 5 5 5 6 13 Key1 Key4 /Grid11 /Grid7 SW4SW1 4-bit latch 14 28 Seg13/Grid10 6-36-3 FRONT DISPLAY PART - CIRCUIT DIAGRAM 7101 TSOP2236 GND 3 1OUT 2VS DEM BAND PASS

47、CTRL CIRCUIT AGC INP PIN TO/FROM 1149 OF A B C D E F 1100 A5 1101 B1 1102 E6 1104 D1 1105 E4 1106 E4 1107 E5 1108 E4 1109 E4 1111 A8 1112 A8 1113 A8 2100 C2 2101 C2 2102 C3 2103 C5 2104 C8 2105 F3 2106 F3 2107 E2 2108 B9 2109 C9 2110 C9 2112 F6 2113 F7 -24V 123456789 123456789 A B C D E F 0V 2114 F8