Toshiba SD-V290 Скачать руководство пользователя страница 39

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3-55

B. Audio abnormal

D. Open/Close abnormal

Check the

connection of PDV02.

Check PMD03 Pins 5, 6.

Check Audio jack.

YES

(If OK)

YES

(If OK)

YES

(If OK)

YES

(If OK)

YES

(If OK)

Check MPEG_CLK Signal
(IC501 Pin22) of MPEG part.

Refer to Audio part.

Refer to MPEG part.

Replace Main B/D.

Check Front.

Reconnect it.

Refer to SERVO part.

Check the connection of MD.

AUDIO ABNORMAL

OPEN/CLOSE ABNORMAL

C. Video abnormal

Check Video jack.

YES

(If OK)

YES

(If OK)

YES

(If OK)

Refer to Video part.

Refer to MPEG part.

Replace Main B/D.

VIDEO ABNORMAL

Содержание SD-V290

Страница 1: ...SERVICE MANUAL DVD VIDEO PLAYER VIDEO CASSETTE RECORDER FILE NO 810 200226 JANUARY 2003 SD V290 SD V390 ...

Страница 2: ... CIRCUIT DIAGRAM 3 42 7 KEY CIRCUIT DIAGRAM 3 44 WAVEFORMS 3 46 CIRCUIT VOLTAGE CHART 3 48 PRINTED CIRCUIT DIAGRAMS 3 50 1 MAIN P C BOARD 3 50 2 KEY 1 LEFT P C BOARD 3 52 3 KEY 2 RIGHT P C BOARD 3 52 4 POWER P C BOARD 3 53 DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 3 54 1 µ COM CIRCUIT 3 54 2 MPEG CIRCUIT 3 56 3 RF Servo CIRCUIT 3 57 BLOCK DIAGRAMS 3 61 1 DVD Overall BLOCK DIAGRAM 3 61 2 RF CD DSP ...

Страница 3: ...K DISPLAY ENA DISPLAY DATA REMOCON KEY RETURN 1 KEY RETURN 2 5 3VA FD FD 27VA GND 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 PM603 VIDEO IN GND AUDIO L GND AUDIO R 5 4 3 2 1 5 4 3 2 1 PMD03 SPM SPM FM FM LM LM SW OPEN SW CLOSE GND SW LEAD IN GND 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 P3D02 CTL CTL A E A E A REC A PB 1 2 3 4 5 6 1 2 3 4 5 6 GND FULL ERASE P3D03 1 2 1 2 S COMPO S...

Страница 4: ...difference which is from the selected A B Head point of the H SW W861 W862 signal to the starting point of the vertical synchronized signal to 6 5H 0 5H 412µs 1H 63µs PG Adjustment Method a 1 Payback the SP standard tape b 2 Press the OK ENTER key on the Remote controller and the REC key on the Front Panel the same time then it goes in to Tracking initial mode c 3 Repeat the above step No b 2 then...

Страница 5: ... there about 2 5V at the IC103 Vref Check the Main PCB 5 3VA 5 0V Line short 1 No 5 3VA SYS Hi Fi TUNER NO 12VA Check or Replace the D110 Is the Vcc 13V supplied to terminal in D115 Check or Replace the Motor Vcc Is the Vcc 12V supplied to terminal in D115 NO NO Replace the D115 YES YES YES 2 No 12VA TO CAP DRUM MOTOR NO 5 2VA 5 3VA Line Check Is 5 3VA put into the Q160 Emitter Is about 5V put int...

Страница 6: ...heck or Replace the Q162 R157 R158 R159 D121 YES YES YES YES Check or Replace the Q162 Q160 4 No 5V TO DVD No 33V Check the Power Control Is Q162 Base H Check or Replace Q161 R154 R155 NO YES YES 5 No 33V TUNER No REG 12V Check or Replace D110 Is 13V put into the Q156 Collector Is 13V put into the R153 Base NO Check 33V Line NO YES YES Check or Replace the Q156 ZD103 R153 C151 YES 6 No REG 12V ...

Страница 7: ... to IC151 Pin1 NO NO Check or Replace the D114 NO Check the Power Control YES YES YES Check or Replace IC151 R170 C154 YES 8 No 8V TO DVD NO 3 3V Is Vcc 4V supplied to IC152 Pin1 YES Is the Q162 Base H YES Check or Replace IC152 R156 C153 YES 9 No 3 3V TO DVD Check or Replace the D111 NO NO Check the Power Control ...

Страница 8: ... the R531 Refer to SMPS 5 3VA troubleshooting Check the IC501 Pins22 23 24 25 Do T UP Reel Pulses appear at the point between R556 and R536 Replace the T UP Reel Sensor RS501 Check the CST SW and the peripheral circuitry Replace the IC501 The unstable loading of a Cassette tape Does the H signal appear at the IC501 Pin60 during inserting the CST Does the L signal appear at the IC501 Pin19 during i...

Страница 9: ...the Drum Motor 2 doesn t run Do the DFG Pulses appear at the PMC01 Pin11 Replace the Cap M Aren t the foil patterns and the Components between IC501 Pin 90 and PMC01 Pin11 short Replace the IC501 Refer to 2 No 12VA of Power section Do the Drum PWM Pulses appear at the IC501 Pin76 Aren t the foil patterns and the Components between IC501 Pin76 and PMC01 Pin12 short Do the DFG Pulses appear at the I...

Страница 10: ...7 and PMC01 Pin9 short Does the CFG signal come into the IC501 Pin87 Aren t the foil patterns and Components between IC501 Pin77 and PMC01 Pin9 short 2 SERVO CIRCUIT 3 When the Capstan Motor doesn t run NO NO NO YES YES YES When the Capstan Motor doesn t run Does 12VA appear at the PMC01 YES Replace the IC501 YES NO NO YES Refer to SMPS CAPSTAN 12Volt Trouble Shooting Aren t the foil patterns and ...

Страница 11: ...illation occur at the IC501 Pins44 45 Replace the IC501 The I2 C waves don t come out Does Power appear at the Pull up impedence R569 R507 Replace the IC501 Refer to SMPS 5 3VA Trouble Shooting Replace the defective switches Refer to SMPS 5 3VA Trouble Shooting Check or Replace the phe ripheral Circurity L511 R518 C596 C595 Refer to SMPS 5 3VA Trouble Shooting YES YES YES YES NO NO NO NO NO 2 SERV...

Страница 12: ...in52 Does the Video signal appear at the IC602 Pin7 Check the REG 5V Line Power Circuit Is I2 C BUS signal applied to the IC301 Pins53 54 55 Replace the IC301 Check the path of the sig nal between the IC301 Pin 26 and IC501 Pins50 52 Is there 5V on the plus terminal of the C614 Check the REG 5V Line Power Circuit Replace the IC602 Check the System Circuit Refer to SYSTEM I2 C BUS CHECK Trouble Sho...

Страница 13: ...ne Power Circuit Check the System Circuit IC501 Pin18 Check the V H S W level Refer to SYSTEM Y C BUS CHECK Trouble Shooting Is the V H S W signal applied to the IC301 Pin57 Does the Rectangular waveform 5V appear at the IC301 Pin57 V H S W Clean the Drum Check the C324 Check the R328 C322 C323 Does the Y Luminance signal appear at the IC301 Pin20 Is the Y Luminance Video waveform showed up at the...

Страница 14: ...3 44 45 52 68 77 Does the Color signal appear at the IC301 Pins41 50 Check the line of the REG 5V Line Power Circuit Replace the X301 Check the C342 C341 R333 Is normal the X301 3 58MHZ of oscillation Frequency Replace the IC301 Does the Color signal appear at the IC301 Pin48 Replace the IC301 NO YES YES YES NO NO NO ...

Страница 15: ...mal A A YES YES Is brightness normal Does signal appear at IC301 Pins41 50 NO Check X301 oscillation frequency YES Is the brightness signal sup plied to IC301 Pins18 Is 5V supplied to IC301 Pins23 44 45 68 77 Check the power of Pins23 44 45 52 68 77 Check the 5V power NO NO NO NO NO Is Y C Bus applied to IC301 Pins53 54 55 Check the REG 5V power Check system part Do X301 and X TAL oscillate Check ...

Страница 16: ...15 32 36 46 54 YES Check the IIC Clock and DATA at IC801 Pins37 38 YES Check the Audio of IC801 Pins78 80 YES Check the Audio of C804 C854 YES Check the JK601 Check the TU701 SIF Pin13 NO Check the DVD MODULE PMD02 Pins9 11 NO Check the Rear Jack JK601 Audio in NO Check the front Jack JK5L1 Audio in NO Check the Power 5 2V 5 3VA REG 9V Q701 PMP01 Pins1 2 5 6 YES NO Check the IC501 Pins71 72 NO Rep...

Страница 17: ...pe quality Is the RF Envelope at IC801 Pin23 over 3Vp p YES Check IC801 Pin37 Data Pin38 Clock YES Do Audio Signals appear at IC801 Pin80 L CH 78 R CH YES Do Audio Signals appear at JK601 Check Power NO Check IC501 Pin19 A H SW NO NO Check the parts of µ COM IC501 Pins71 72 NO Check the Connection at P3D01 Pins7 9 NO Check the Jack JK801 NO Check C801 C851 R801 R851 YES ...

Страница 18: ...ear at IC801 Pin6 YES Do Audio signals appear at IC301 Pin76 Normal Audio YES Do OSC signals appear at P3D02 pins4 5 50Vp p YES YES Check Power NO Check ports of µ CPM IC501 Pins71 72 Check Audio input signal of IC801 Pin57 TU A 7 69 DVD A 11 73 AVI A 9 71 AV2 A NO Check C825 C306 R311 R312 R346 Check REC OSC BLOCK FL301 Q301 Q305 Q308 Q309 Is High IC501 Pin74 in REC mode NO NO NO ...

Страница 19: ...02 Pin 7 YES NO Check the signal flow from IC602 Pin7 to JK601 Pin Video out YES Check 33V line NO Check 5V line NO YES Does the Clock signal appear at TU701 Pin9 Check the lIC Clock Signal of µ COM Pin71 NO YES Does the data signal appear at TU701 Pin10 Replace Tuner Check the signal flow from IC501 Pin27 Pin27 is L state in Tuner Mode Check the signal from IC301 Pin26 to IC501 Pin50 Check the si...

Страница 20: ...k the Tuner SiF signal at IC801 Pin57 YES Check the Audio of IC801 Pins78 80 YES Check the Signal flow from IC801 Pins78 80 to JK601 Audio out L R YES Check the Tuner SIF of TU701 Pin13 NO 1 Check the Vcc 5 3VA 9V of IC801 Pins3 5 36 54 2 Check the IIC Clock and Data at IC801 Pins37 38 NO ...

Страница 21: ...1 BR BK HOT CIRCUIT BL WH F101 F102 C111 HOT GND R101 SNUBBER BLOCK D101 R104 C105 C106 RECTIFIER SMOOTHING D110 C123 L122 C126 C163 RECTIFIER SMOOTHING D108 C130 R118 RECTIFIER SMOOTHING D111 C127 L123 C128 RECTIFIER SMOOTHING D112 L124 C129 C131 FEED BACK BLOCK R112 R113 C133 R114 R115 R116 R117 8VA REG BLOCK D114 IC151 C154 12VA REG BLOCK Q156 ZD103 C151 C152 R153 3 3V REG BLOCK IC152 C153 RECT...

Страница 22: ...W REG 5V CONTROL V IN RF AGC NC ENABLE CLOCK DATA AFT A OUT SIF TU 30V NC V OUT 999 GND 83 PWR CTL H 81 HSR H 110 FD 109 FD 108 27VA 100 AFT 732 TU V OUT 103 DRUM VCC 102 REG 12V 104 CAP VCC 107 REG 5V 786 REG 9V 875 MOD A IN 61 MOD CTL 106 5 0V 26 VCR H 671 MOD V IN 71 IIC CLK 72 IIC DATA 781 SIF OUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 REG BLOCK 5V REG BLOCK 9V TOSHIBA ...

Страница 23: ...E EM PB FM EQ FM AGC CNC YNR COMB 4 21M BPF SUB CONV 39 37 36 34 26 22 21 P B PB Mode EP REC SP REC 57 V H SW 55 Y C ENA 54 Y C DATA 53 51 50 49 48 47 39 38 37 36 34 32 30 28 22 21 20 73 70 69 66 Y C CLOCK X TAL 3 58MHZ C LPF MAIN CONV 4 21M BPF SUB CONV DETAIL ENH MAIN EMPHA REC FM EQ 4 7K FM MOD Y LPF YNR COMB 3 58M BPF1 LINE2 26 V OUT DVD TU LINE1 VIDEO AGC CLAMP CLAMP CLAMP IN CCD OUT VCA SW B...

Страница 24: ...71 80 78 A OUT R System IC801 LA72670M IC301 LA71206M AMP EQ AMP 78 4 10 A OUT R MOD OUT DATA CLOCK R P HEAD N A IN 53 ENA 55 54 5 4 6 From u COM 80 A OUT L 2 OUTPUT SELECTOR EQ 3 2 IC301 LA71206M SIF IC801 LA72670M TUNER TU701 10 76 DET NORMAL AUDIO OUT LINE AUDIO R IN LINE AUDIO L IN REAR Jack A OUT L REC AMP 4 6 13 57 RF MOD A_IN 1 2 9 71 80 78 A OUT R TOSHIBA ALC 9 EE Mode PB Mode REC Mode ...

Страница 25: ...T To JACK MODULATOR A OUT To Tu 24 Hi Fi PB B Hi Fi PB A Hi Fi REC 57 12 74 11 73 9 71 6 4 26 27 80 A OUT L A OUT R 78 3 AUDIO INPUT BLOCK NORMAL AUDIO OUT To AVCP NORMAL AUDIO IN From AVCP SIF DVD A IN L DVD A IN R AV1 A IN L AV1 A IN R AV2 A IN L AV2 A IN R TOSHIBA ...

Страница 26: ... 25 24 23 22 21 79 58 80 88 49 40 37 98 34 IC501 M37760 MODE S1 I Limit MODE S2 MODE S3 MODE S4 T UP Sensor T UP Reel SUP Reel CST IN Vss AMP Vss OSD Vss SYSCON Vcc SYSCON Vcc SERVO CAP PWM CTL CTL CFG CAP REV H LD CTL V ENV V H SW30 DPG D V Sync 38 39 X out Xc in Xc out X in 35 36 44 OSC in 2 95 94 87 12 59 9 18 76 90 13 H A SW SQPB 16 59 77 11 DRUM PWM 53 Vcc OSD 20 SUP Sensor 45 OSC out 2 14 99...

Страница 27: ...AFETY NOTICE WHEN SERVICING THIS CHASSIS UNDER NO CIR CUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE TOSHIBA ELECTRONICS CORPORATION ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGI NAL CIRCUIT SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF FER FROM THE ACTUA...

Страница 28: ...3 34 3 35 2 TU IF CIRCUIT DIAGRAM PB REC ...

Страница 29: ...ed IC301 Pin 59 is defective PB COLOR Signal disappear IC301 Pin 57 is defective IC301 doesn t operate IC301 Pins 53 54 55 are defective PB COLOR Signal disappear IC301 is defective EE PB Screen doesn t appear IC306 Q307 are defective Normal Audio Signal is not recorded FL301 Q304 Q305 are defective ...

Страница 30: ...3 38 3 39 4 Hi Fi CIRCUIT DIAGRAM PB REC 100 100 T W KTC3875 02 12 04 R13734C TOSHIBA 23 Pin is defective Hi Fi Audio is not appear IC801 Pins37 38 aredefective All Audio is not appear ...

Страница 31: ...3 40 3 41 5 JACK CIRCUIT DIAGRAM ...

Страница 32: ...C TOSHIBA FROM TO JACK EEPROM 29 28 VCR LCD DVD LED NC Q501 Q503 are defective µ COM is unstable IC505 is defective VCR will not operate X501 is defective CLOCK SETTING will not operate X502 is defective µ COM will not operate ES501 ES502 LD501 are defective Auto Rew will not working RS501 RS502 are defective Auto stop occures R575 R576 R577 R578 are defective Deck will not operate ...

Страница 33: ...3 44 3 45 7 KEY CIRCUIT DIAGRAM ...

Страница 34: ... DIV EP REC REC RF IC501 Waveform Tek Stop 10 0KS s 280 Acqs M5 00ms Ch1 Ch1 3 04 V 1 00 V T T 1 Tek Stop 250KS s 299 Acqs M 200µs Ch1 Ch1 3 04 V 1 00 V T T 1 Tek Stop 10 0KS s 18 Acqs M 5 00ms Ch1 Ch1 3 04 V Trigger Position 12 1 00 V T 1 T Tek Stop 10 0KS s 27 Acqs M5 00ms Ch1 Ch1 3 04 V 1 00 V T T 1 Tek Stop 10 0KS s 35 Acqs M5 00ms Ch1 Ch1 3 04 V 1 00 V T T 1 Tek Stop 50 0KS s 120 Acqs M1 00ms...

Страница 35: ... 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 5 19 1 91 0 0 29 0 0 0 2 5 1 91 2 49 5 06 2 51 0 0 2 51 2 52 2 52 2 51 0 19 2 25 0 2 24 2 25 0 2 48 0 2 51 5 02 2 64 2 64 0 5 06 5 17 5 17 0 0 19 2 52 2 51 2 52 2 52 0 5 06 2 49 1 9 0 0 2 05 1 22 3 86 9 2 6 26 1 96 2 2 4 56 2 52 5 19 2 07 0 1 31 0 0 0 2 5 2 44 2 49 5 05 2 51 0 0 86...

Страница 36: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE 3 50 3 51 ...

Страница 37: ...52 3 53 2 KEY 1 LEFT P C BOARD 4 POWER P C BOARD LOCATION GUIDE NOTES Warning NOTES Parts that are shaded are critical NOTES With respect to risk of fire or NOTES electricial shock 3 KEY 2 RIGHT P C BOARD ...

Страница 38: ...mal Are IC501 normal Does no DISC appear Does Hello appear at FLD Is PDV02 connected normally Is PDV02 Pins8 9 10 11 normal The waveform on AD 0 21 of IC501 normal Are IC301 Pins5 26 normal Replace Main B D Check the oscillation Check short OK Replace IC501 Check power Refer to power If power is normal OK POWER ON 1 1 YES YES YES YES NO YES YES YES YES A NO NO NO NO NO NO NO NO NO YES A ...

Страница 39: ...ES If OK YES If OK Check MPEG_CLK Signal IC501 Pin22 of MPEG part Refer to Audio part Refer to MPEG part Replace Main B D Check Front Reconnect it Refer to SERVO part Check the connection of MD AUDIO ABNORMAL OPEN CLOSE ABNORMAL C Video abnormal Check Video jack YES If OK YES If OK YES If OK Refer to Video part Refer to MPEG part Replace Main B D VIDEO ABNORMAL ...

Страница 40: ...K YES If OK YES If OK Refer to Servo part Check MPEG_CLK Signal IC501 Pin22 of MPEG part Check DSP Check MPEG YES If OK Replace Main B D PICTURE ABNORMAL F Disc Error Check Disc YES If OK YES If OK Refer to Servo part Replace main B D DISC ERROR ...

Страница 41: ...ing picture of the video CD play on the screen normally Does the audio sound output normally END Check power clock Check CD DVD DSP output signal Check MPEG Decoder input signal Check CD DVD DSP output signal Check MPEG Decoder input signal Check CD DVD DSP output signal Check MPEG Decoder input signal Check clock signal Check clock signal YES YES YES YES YES YES YES YES YES YES NO NO NO OK OK OK ...

Страница 42: ...es 33 8688MHz clock input to IC201 Pin138 Does 33 8688MHz clock input to IC201 Pin59 Is IC201 Pins79 80 84 88 voltage about 2 2V Replace IC201 IC206 soldering or IC defect Check power circuit Check 2 µ COM Part Replace X201 or IC206 33MHz clock defect CHECK POINT General 3 RF Servo Circuit A END NO NO NO NO NO YES YES YES YES YES ...

Страница 43: ... move up and down Check Focus Driver output IC201 Pin88 IC2M1 Pins37 38 Check SLED Driver output IC201 Pin80 IC2M1 Pins28 29 IC201 Pin80 no output IC201 is defective IC2M1 Pins26 27 no output IC2M1 is defective IC201 Pin88 no output IC201 is defective IC2M1 Pins37 38 no output IC2M1 is defective DECK assembly is defective Slide the pick up to inner track Power on Check loading Part Push Pick up to...

Страница 44: ...r OPEN CLOSE Replace µ COM or IC201 Replace IC201 Check IC2A1 Pins47 50 51 52 in DVD Mode Fig 3 FOCUS ERROR waveform IC201 no output Pick up is defective Check IC201 and IC2M1 when PMD03 Pins1 2 are abnormal Check IC2M1 Pin21 PMD03 Pin1 2 turn when the IC2M1 Pin21 is less than 2 2V Video Part is defective Check 5 MPEG Circuit Check 7 OSD Video Circuit Replace µ COM part IC2A1 is defective DISC IN ...

Страница 45: ...Pattern RF 1 5 1 6V TP2A0 Fig 5 RF waveform Check IC2A1 Pin3 No signal Pick up is defective Replace IC201 Check IC201 Pin84 No signal at IC201 IC201 is defective Check IC201 Pin165 Check the clock at the IC201 Pins37 59 Both are normal IC201 is defective Replace IC2A1 CHECK A D END NO NO NO NO YES YES YES YES ...

Страница 46: ... XIO XIO10 SRST F_CLK F_OUT PCMCLK ALE MSDATO MDP1 FOK DEFECT DSP_ SENSE LOCK E_SOUT ZISENB XRST DAC_RST 16 9 PAL_SW AUTO_SW MIC_ON Y_SEL A_MUTE DAC_CS1 DAC_CS2 V_MUTE DAC_CLK DAC_OUT ADCCLK ACT_MUTE LOAD_OPEN LOAD_CLOSE MIRR AD 04 21 PSENB FLD FLD_CS FLD_CLK FLD_OUT EE_CS EE_CLK EE _OUT F_IN I C3F1 FLA SH ROM FLASH_CS RD PWEO LA 0 LA 1 LA 2 LA 3 LADD 04 19 MD 00 31 MCLK2 CKE MA 00 10 MA12 13 CS0 ...

Страница 47: ...ENS FOK MSDATO DEFECT DSP_SENSE SQSO SQCK SCOR XLAT S_CLK S_DATA DSP_CS WR RD DO 0 7 AO 0 5 DVD_DATA 0 7 MCK UCOM I F MPEG I F UCOM I F M D DVD CD RF FE TE PI MIRR TZC ICADDR 0 8 ICDATA 00 15 MON MDP FDO TDO FMO Spindle focus tracking loading sled Load open close loading control CD A B C D E F 4 4 5 3 3 3 8 6 8 8 2 4 9 16 TOSHIBA 2 RF CD DSP DVD DSP DVD SERVO BLOCK DIAGRAM ...

Страница 48: ...3 AUDIO BLOCK DIAGRAM IC401 CS4932 Audio DAC IC402 LPF Buffer KA 5532 OP AMP L R U COM I F DA_DATA0 DAC_RST S_DATA S_CLK DAC_L0 DA_LRCK DA_BCK DA_XCK L R TO VCR MPEG I F TOSHIBA 3 64 ...

Страница 49: ...ATA SQCK SQS0 REQP SDCLK1 PSYNC DSP_ INT SENSE DSP_ CS AD 04 21 RF MOTOR I F MI RR LDON SCLK SD ATA EE_CS F_IN 32 MD 00 31 MCLK2 CKE MA 00 10 MA 12 13 CS0 RAS CAS WE DQM 0 3 SPINDLE_ FG ALE AD 04 19 16 LADD 04 19 16 LA 0 3 4 AD 00 15 16 AUDIO DA_DATA 0 3 DA_BCK DA_LRCK DA_XCK 4 DAC_L0 DAC_L1 DAC_RST TO VCR C R B CVBS G R Y B G CVBS V_MUTE 16 9 ZISENB RD PWED IC301 TOSHIBA ...

Страница 50: ......

Страница 51: ... 02 12 04 R17147A TOSHIBA 5 TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM 16M SDRAM 10µ 16V 22 DSP II TO FROM MPEG 3 66 3 67 CIRCUIT DIAGRAMS 1 DVD DSP CIRCUIT DIAGRAM ...

Страница 52: ...R17145A TOSHIBA TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM Q2A5 Q2A6 TO FROM MEMORY TO FROM MEMORY TO FROM DSP TO FROM DSP TO FROM MPEG TO FROM MEMORY TO FROM DSP TO FROM DSP 3 68 3 69 2 DRIVE RF CIRCUIT DIAGRAM ...

Страница 53: ...ray not open close Digitron all not display system not working Digitron all not display system not working 02 12 04 R17148A TOSHIBA Digitron all not display system not workry DRIVE RF C324 C307 6870R9241AA X 0 1µ 6870R9241AB 0 1µ 1µ 3 70 3 71 3 MEMORY CIRCUIT DIAGRAM ...

Страница 54: ... 12 04 R17150A TOSHIBA PDV01 PPD01 PDV02 PMD01 PDV03 PMD02 TO FROM VCR JACK TO FROM VCR SYSTEM TO FROM VCR POWER TO FROM MPEG TO FROM MPEG TO FROM JACK TO FROM MEMORY 3 72 3 73 4 INTERFACE CIRCUIT DIAGRAM ...

Страница 55: ...Optical Coaxial out CVBS Y Pb Pr Componet Y C S VHS WAVEFORM 02 12 04 R17146A TOSHIBA HB 1S1608 MM74HCT244 L510 L511 R502 AA X X X AB HB HB O 3 74 3 75 5 µ COM EXPANDER CIRCUIT DIAGRAM ...

Страница 56: ... 02 12 04 R17149A TOSHIBA DAP202K 3 76 3 77 6 JACK CIRCUIT DIAGRAM ...

Страница 57: ...e FDO IC501 Pin 118 Composite IC501 Pin 112 Chrominance Super video out Mode Tek Stop 2 50MS s 4 Acqs M20 0µs 2 Apr 1999 14 47 27 Glitch Ch1 Ch3 500mV T T 3 IC501 Pin 114 Luminance Super video out Mode Tek Stop 1 00kS s 3290 Acqs M 500µs CH1 280 mV Edge Slope Type Edge Source Ch1 Coupling DC Level 280mV Mode Holdoff 3 Ch3 1 00V T T Slope T IC501 Pin 98 MPEG Clock 27MHz IC501 Pin 112 Component Pb I...

Страница 58: ... 50 0 00 1 71 1 78 1 73 1 74 1 92 1 91 0 00 0 00 0 00 0 00 1 94 2 33 2 33 2 06 3 17 0 00 0 00 0 00 3 26 3 25 0 00 3 25 0 00 0 00 0 00 3 24 3 26 0 00 0 20 2 16 1 80 1 57 0 00 0 00 0 00 0 00 0 00 0 00 0 00 3 25 0 00 0 00 0 00 0 00 0 00 0 00 4 01 4 05 3 97 0 00 0 13 4 92 0 00 0 00 0 00 4 00 4 21 3 75 0 00 7 89 0 00 0 00 0 00 0 00 0 00 2 15 0 00 2 15 0 38 0 00 0 00 0 00 3 26 3 26 0 00 3 26 0 00 3 26 0...

Страница 59: ... Y I C 2 0 3 I C 4 0 2 EE PLAY MODE 0 05 0 00 0 00 0 00 0 00 0 00 0 00 0 05 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 2 38 0 00 0 00 3 26 3 26 0 00 0 00 3 26 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 3 23 3 26 0 00 3 23 1 98 0 00 1 91 0 00 1 45 0 00 1 45 0 00 3 26 0 19 0 00 2 09 0 00 1 19 0 00 1 95 0 00 3 05 3 04 3 25 3 05 3 04 0 00 3 04 3 04 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 2 78 0 00...

Страница 60: ...1 C288 C2C9 C284 C211 C212 C274 C213 C272 C263 C264 C261 C321 C2D5 C2A4 C2C2 C2D1 C507 C539 C561 C504 C308 C317 C309 C409 C405 C408 C422 C404 C402 C401 C419 C420 C415 C403 C413 C2M1 C2D4 C2M8 CAPACITOR STOP PLAY MODE 5 09 5 09 0 00 5 07 5 07 0 00 2 83 3 21 5 09 2 29 3 11 2 70 0 00 0 00 3 26 5 17 4 48 5 17 1 55 0 00 0 75 1 56 0 00 0 75 5 05 5 24 0 00 0 00 0 00 1 82 2 36 3 12 3 84 2 43 3 20 3 66 0 0...

Страница 61: ...LOCATION GUIDE 3 86 3 87 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...

Страница 62: ...LOCATION GUIDE 3 88 3 89 2 MAIN P C BOARD BOTTOM VIEW ...

Страница 63: ......

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