Toshiba SD-V55HTSU Скачать руководство пользователя страница 4 | Manualshive

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ELECTRICAL ADJUSTMENT PROCEDURES

1. Servo Adjustment

1) PG Adjustment

• Adjustment And Specification

• Test Equipment

a) OSCILLOSCOPE
b) NTSC MODEL : NTSC SP TEST TAPE

MODE

PLAY

• Adjustment Procedure

a) Insert the SP Test Tape and play.
b) Press the “O” key on the Remote controller and the “PLAY” key on the Front Panel the same time, the

unit then goes in to Tracking initial mode.

c) Trigger the mixed Combo Video Signal of CH2 to the CH1 H/SW(W373, W374), and then check the dis-

tance (time difference), which is from the selected A(B) Head point of the H/SW(W373, W374) signal to
the starting point of the vertical synchronized signal, to 6.5H ± 0.5H (412µs, 1H=63µs).
Note - Press FRONT CH UP KEY and FRONT PLAY KEY on Deck playback, and it goes in to ATR PRE-

SET. after the SP Test Tape is inserted.

• PG Adjustment Method

a-1) Playback the SP standard tape
b-2) Press the “O” key on the Remote controller and the “PLAY” key on the Front Panel the same time,

Tracking initial mode.

c-3) Repeat the above step(No.b-2), the unit will then finish the PG adjusting automatically.
d-4) Stop the playback, the unit then exits PG adjusting mode after saving the PG data.

• CONNECTION

• WAVEFORM

V.Out

H/SW(W373, W374)

R/C TRK JIG KEY

6.5 ± 0.5H

MEASUREMENT POINT

ADJUSTMENT POINT

SPECIFICATION

V.Out

H/SW(W373, W374)

OSCILLOSCOPE

CH1 CH2

V.out

H/SW

R/C KEY

(W373, W374)

H/SW

Composite

VIDEO

6.5H(412

µ

s)

VCR PART

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Содержание SD-V55HTSU

Страница 1: ...CIRCUIT DIAGRAMS DVD VCR Home Theater System FILE NO 810 200425 SD V55HTSU SD V55HTSC DOCUMENT CREATED IN JAPAN May 2004 ...

Страница 2: ...N FLOW 3 54 2 TEST DEBUG FLOW 3 55 3 AUDIO µ COM CIRCUIT DVD AMP 3 63 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3 62 1 SYSTEM 27MHZ CLOCK RESET FLASH R W SIGNAL 3 62 2 SDRAM CLOCK 3 64 3 TRAY OPEN CLOSE SIGNAL 3 64 4 SLED CONTROL RELATED SIGNAL NO DISC CONDITION 3 66 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION 3 66 6 LASER POWER CONTROL RELATED SIGNAL NO DISC CONDITION 3 67 7 DISC TYP...

Страница 3: ...N 2 5 3VA VIDEO IN GND AUDIO L IN GND AUDIO R IN GND FD 27VA FD 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 PV602 P6M02 REMOCON GND FLD CLOCK FLD DATA FLD ENA VOLUME DOWN VOLUME UP 1 2 3 4 5 6 7 1 2 3 4 5 6 7 PDM03 SPM SPM FM FM LM LM SW OPEN SW CLOSE GND SW LOADIN 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 ...

Страница 4: ...g point of the vertical synchronized signal to 6 5H 0 5H 412µs 1H 63µs Note Press FRONT CH UP KEY and FRONT PLAY KEY on Deck playback and it goes in to ATR PRE SET after the SP Test Tape is inserted PG Adjustment Method a 1 Playback the SP standard tape b 2 Press the O key on the Remote controller and the PLAY key on the Front Panel the same time Tracking initial mode c 3 Repeat the above step No ...

Страница 5: ...o IC104 Pin3 NO Is the D129 normal Is there about 2 5V at the IC106 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 D126 Is the Vcc 13V supplied to terminal in D126 Check or Replace the Motor Vcc NO YES YES 2 No 12VA TO CAP DRUM MOTOR NO 5 0VA 5 3VA Line Check Is 5 3VA put into the Q167 Emitter Is about 5V put into the Q167 Base Is the Q169 Bas...

Страница 6: ...9 R175 R176 R177 YES YES YES YES Check or Replace the Q168 Q169 4 No 5V TO DVD No 33V Check the Power Control Is Q163 Base H Check or Replace Q163 R168 R169 NO YES YES 5 No 33V TUNER NO 8V Check or Replace the D126 Is Vcc 13V supplied to terminal in D126 Check or Replace IC161 C163 Is Vcc 12V supplied to IC160 Pin1 NO NO Check or Replace the D163 YES YES YES 6 No 8V TO DVD ...

Страница 7: ... 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 Pin58 during inserting the CST Does the L signal appear at the IC501 Pin60 during i...

Страница 8: ...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 9: ...in77 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 a...

Страница 10: ...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 R598 C596 C595 Refer to SMPS 5 3VA Trouble Shooting YES YES YES YES NO NO NO NO NO 2 SERV...

Страница 11: ...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 12: ...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 R347 C322 C323 Does the Y Luminance signal appear at the IC301 Pin20 Is the Y Luminance Video waveform showed up at t...

Страница 13: ...23 44 45 52 68 77 Does the fsc 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 14: ...ormal 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 Chec...

Страница 15: ...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 16: ...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 17: ...lace IC801 Check Ports of µ COM Check A MUTE port of µ COM Pin High of IC501 Replace IC801 Hi Fi Playback No sound Check the Hi Fi Selection Switch and the Tape quality Is the RF waveform at IC801 Pin 23 over 3V Vp p Check the Contact point of Audio Output Do Audio signals appear at IC801 Pin 80 L CH 78 R CH Is IC801 Pin 49 A Mute High Check IC801 Pin 37 Data Pin 38 Clock A YES NO YES NO NO NO NO ...

Страница 18: ...put signal Line 9 11 12 71 73 74 Tuner 57 Replace IC801 Check the Port of u COM B Check IC801 Pin 37 Data Pin 38 CLOCK Is IC501 Pin 84 A Mute High YES YES YES Are Audio signals present at IC801 Pins 78 80 Do FM Audio signals appear at IC801 Pin 26 YES Is IC801 Pin 17 REC H High Check the Contact Points of Drum Connector if good then Replace the Drum YES YES YES NO NO NO NO NO NO ...

Страница 19: ......

Страница 20: ...CTIFIER SMOOTHING BLOCK D123 C130 ZD121 R127 RECTIFIER SMOOTHING BLOCK D126 C140 L122 C141 RECTIFIER SMOOTHING BLOCK D125 R129 C138 FEED BACK BLOCK R122 R121 C136 R123 R124 R125 R126 PWR SENSE BLOCK R184 R185 RECTIFIER SMOOTHING BLOCK D124 C137 R128 DRIVE S W BLOCK QUASI RESONANT BLOCK IC101 R114 R115 C123 C107 BC101 D108 R101 D102 R102 D103 R106 ZD102 Z101 C108 R104 C109 C110 RECTIFER SMOOTHING B...

Страница 21: ...ROM µ COM PWR CTL H PVS01 5 3VA 5 0V 8V GND M 9V GND A 3 3V 5V GND 3 5V A GND D GND 1 2 3 4 5 6 7 8 9 10 11 12 PVD01 33VT BLOCK Q163 R168 R169 R170 3 3V BLOCK IC161 C164 8V BLOCK IC160 D163 C163 R161 3 3V BLOCK IC163 C177 3 5V BLOCK IC162 D165 C172 REG 5V Q166 C166 C167 R174 ZD161 5 2V BLOCK Q167 C168 R175 R176 R177 PWR CTL BLOCK Q169 C170 R181 R182 R183 5V BLOCK Q168 R178 R179 R180 C169 9V BLOCK ...

Страница 22: ... 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 BLOCK IC...

Страница 23: ...0 78 A OUT R DVD AUDIO 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 SIF DE MOD INPUT SELECT OUTPUT SELECT 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 ...

Страница 24: ... 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 AUDIO DVD A IN R AV1 A IN L AV1 A IN R AV2 A IN L AV2 A IN R TOSHIBA SD V55HTSU SC REAR JACK FRONT FM MODU DE MODU DEMO DULATE INPUT SELECT OUTPUT SELECT ...

Страница 25: ...ODE S1 I Limit MODE S2 MODE S3 MODE S4 TOP Sensor T U 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 60 9 18 76 90 13 H A SW SQPB 16 59 77 11 DRUM PWM 53 Vcc OSD 20 END Sensor 45 OSC out 2 99 Vcc A D TO FROM AUDIO Hi Fi TO FROM TU IF TO DIGEST 72 100 26...

Страница 26: ...MATIC FOR EASY IDENTIFICATION THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF FER FROM THE ACTUAL CIRCUIT USED THIS WAY IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmeter during...

Страница 27: ...3 32 3 33 2 POWER SMPS CIRCUIT DIAGRAM 2 ...

Страница 28: ...3 34 3 35 3 JACK TUNER CIRCUIT DIAGRAM ...

Страница 29: ...led 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 X301 is defective EE PB Screen doesn t appear Q306 Q307 are defective Normal Audio Signal is not recorded FL301 Q304 Q305 are defective ...

Страница 30: ...3 38 3 39 5 Hi Fi CIRCUIT DIAGRAM PB REC No Audio IC801 Pins37 38 aredefective No Hi Fi Audio 23 Pin is defective ...

Страница 31: ...tive µ COM is unstable X501 X502 are defective µ COM will not operate L511 R598 C595 C596 are defective OSD will not operate ES501 ES502 LD501 are defective Tape mode not working Tape remaining on reels Auto Rew will not start RS501 RS502 are defective Auto stop occures R575 R576 R577 R578 are defective Deck will not operate ...

Страница 32: ...3 42 3 43 7 KEY CIRCUIT DIAGRAM ...

Страница 33: ...IV 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 C...

Страница 34: ... 18 2 48 I C 5 0 4 I C 5 0 5 I C 6 0 1 I C 6 0 2 I C 8 0 1 EE PLAY MODE PIN NO 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 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 ...

Страница 35: ...3 48 3 49 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...

Страница 36: ...3 50 3 51 LOCATION GUIDE 2 POWER P C BOARD ...

Страница 37: ...3 52 3 53 3 KEY 1 LEFT P C BOARD LOCATION GUIDE 4 KEY 2 RIGHT P C BOARD LOCATION GUIDE ...

Страница 38: ...n SLED Moves to Inner Position OPEN CLOSE Key Receive CLOSE Key 1 Stop Playback Open Tray 2 Display tray open message LOGO 1 Execute Pressed Key IR Key Judge whether have disc and disc type 2 Jump to related disc reading procedure SLED at Inner Side 1 8032 initializes SERVO DSP RISC registers 2 Write RISC code to SDRAM 3 Reset RISC DVD AMP PART ...

Страница 39: ...ircuit 3 Check FLASH R Wenable signal PRD RWR 4 Check RS232 SIGNALS 5 Check FLASH Memory related circui t Check the AC Vol tage Power PCBA 110V or 220V Switch on the Power PCBA Is the DC Voltage outputs OK 5V 3 3V 8V 12V Is 3 3V and 2 5V DC outputs normal on main PCBA Update FLASH IC5A1 successfully Replace FLASH IC5A1 A Communication between VCR DVD is normally Connect to PC RS232 Cable and updat...

Страница 40: ...on MT1376 MT1379 Check the Tray control amplifying circuit on Motor driver IC402 Does Tray move inside when it is not at closed position Normal TROUT TRIN signals Normal TRCLOSE TROPEN signal Normal LOAD LOAD signal Check the cable connection between main PCBA and loader MECHA Check connection lines between SDRAM IC502 IC503 MT1379 and the SDRAM is damaged Check the related circuit of MT1379 IC501...

Страница 41: ...ical Lens has movements for searching Focus Proper F F outputs Check cable connect of the pick up head Proper FOSO outputs to motor driver Check FOSO connection on MT1379 and motor driver Check the amp circuit on motor driver C Check the cable connection with MECHA Do not put in disc and tray close Check the connection line of STBY signal Check the related circuit of FMSO Check the amp circuit on ...

Страница 42: ...elated circuit on MT1336 RFL signal Collector voltage of power transistor is OK Q404 Q405 Check cable connection between transistor output and pick up head Proper RFL signal on MT1336 Proper DMSO signal on MT1379 Check DMSO related circuit on MT1379 Check the spindle control amp circuit of motor driver SP SP output properly Check the cable connection between spindle and main PCBA Check the RFL con...

Страница 43: ...T1336 Proper FEO signal on MT1336 Check the related circuit on MT1336 FEO signal Check the related circuit on MT1336 Properly TRSO signal on MT1379 T T output properly Check the TRSO connection on MT1379 and motor driver Check the tracking control amp circuit on motor driver Check cable connection on pick up head Check RF signal waveform Check FEO connection between MT1336 and MT1379 Yes Disc play...

Страница 44: ...T END Audio DAC received correct data stream Normal Audio DAC out IC206 Check Audio filter amplify mute circuit IC205 Application circuit Check connection between MT1379 Audio DAC Check ARCK ALRCK ACKL ASDAT3 Check the related circuit of Audio DAC Check Audio out Pins 8 5 ...

Страница 45: ...o oscillator Circuit Check DVD Reset Waveform Check IC101 Reset Waveform Check 3 3V line Check Power dection Circuit NO Check Connector DVV01 if is normally Check power part of Main B D Check oscillator of X101 Check if PN102 is high Check if IC101 Pin53 is high Check if IC101 Pin9 36 59 is high 5V Check if IC101 Pin49 is high Replace IC101 NO NO Check if DVD an Audio Micom Insert is OK Check Powe...

Страница 46: ... DEBUGGING 1 SYSTEM 27MHz CLOCK RESET FLASH R W SIGNAL 1 MT1379 main clock is at 27MHz X501 3 8V 27MHz FIG 1 1 2 MT1379 MT1336 reset is high active PWR_CTL SYSTEM µ COM IC501 PIN83 5 2VA Power Cord in M_RESET PDV03 PIN6 URST IC501 PIN 188 FIG 1 2 ...

Страница 47: ...3 63 3 RS232 waveform during procedure Downloading TXD J501 PIN3 RXD J501 PIN 2 FIG 1 3 4 Flash R W enable signal during download Downloading FRD IC5A1 PIN 28 FWR IC5A1 PIN 11 FIG 1 4 ...

Страница 48: ...MT1379 main clock is at 27MHz X501 IC502 IC503 PIN 35 DCLK 93MHz Vp p 2 2 Vmax 2 7V FIG 2 1 3 TRAY OPEN CLOSE SIGNAL 1 Tray open close waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 1 TRCLOSE IC402 PIN 2 FIG 3 1 ...

Страница 49: ...5 2 Tray close waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 1 TRCLOSE IC402 PIN 2 FIG 3 2 3 Tray open waveform OPEN PDM03 PIN7 CLOSE PDM03 PIN8 TROPEN IC402 PIN 1 TRCLOSE IC402 PIN 2 FIG 3 3 ...

Страница 50: ...V 1 4V 1 0V IC501 PIN 19 STBY 5V IC401 PIN 50 SL 4 7V 3 6V 1 9V IC402 PIN 12 SL 5 3V 3 7V 2 5V IC402 PIN 13 FIG 4 1 5 LENS CONTROL RELATED SIGNAL NO DISC CONDITION FOSO 1 5V 1 4V 1 3V IC501 PIN 12 F 4 0V 3 6V 3 2V IC402 PIN 9 F 4 0V 3 6V 3 2V IC402 PIN 8 FIG 5 1 ...

Страница 51: ...NTROL RELATED SIGNAL NO DISC CONDITION MDI1 0V 180mV IC401 PIN 124 LD01 5 0V 3 5V IC401 PIN 125 LD02 5 0V 3 6V IC401 PIN 126 FIG 6 1 7 DISC TYPE JUDGEMENT WAVEFORMS F IC402 PIN 9 FE IC401 PIN 18 RFL IC401 PIN 19 FIG 7 1 DVD ...

Страница 52: ...3 68 F IC402 PIN 9 FE IC401 PIN 18 RFL IC401 PIN 19 FIG 7 2 DVD F IC402 PIN 9 FE IC401 PIN 18 RFL IC401 PIN 19 FIG 7 3 CD ...

Страница 53: ...3 69 F IC402 PIN 9 FE IC401 PIN 18 RFL IC401 PIN 19 FIG 7 4 CD 8 FOCUS ON WAVEFORMS FE IC401 PIN 18 FOSO IC501 PIN12 F IC402 PIN 9 F IC402 PIN 8 FIG 8 1 DVD ...

Страница 54: ... FE IC401 PIN 18 FOSO IC501 PIN12 F IC402 PIN 9 F IC402 PIN 8 FIG 8 2 CD 9 SPINDLE CONTROL WAVEFORMS NO DISC CONDITION DMSO 1 4V 1 8V IC501 PIN 18 SP 3 6V 2 4V IC402 PIN 10 SP 3 6V 4 8V IC402 PIN 11 FIG 9 1 ...

Страница 55: ... 71 10 TRACKING CONTROL RELATED SIGNAL System checking TE IC401 PIN 21 TRSO IC501 PIN 13 T IC402 PIN 7 T IC402 PIN 6 FIG 10 1 DVD TE IC401 PIN 21 TRSO IC501 PIN 13 T IC402 PIN 7 T IC402 PIN 6 FIG 10 2 CD ...

Страница 56: ...3 72 11 RF WAVEFORM RFOP 2 3V 1 1V IC401 PIN 6 RFON 0 8V 2 0V IC401 PIN 7 FIG 11 1 12 MT1379 VIDEO OUTPUT WAVEFORMS 1 Full colorbar signal CVBS IC507 PIN 23 FIG 12 1 ...

Страница 57: ...3 73 3 C IC507 PIN 26 FIG 12 3 2 Y IC507 PIN 21 FIG 12 2 ...

Страница 58: ...1 Audio L R FIG 13 1 3 74 13 AUDIO OUTPUT FROM AUDIO DAC IC206 PIN 8 5 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 13 2 ...

Страница 59: ...3 75 1 R311 FRONT L 2 R303 FRONT R 3 R309 SURROUND L 4 R301 SURROUND R 5 R307 CENTER 6 R305 WOOFER 14 DVD AMP WAVEFORMS ...

Страница 60: ... RC601 REMOCON RECEIVER IC505 RESET IC LOAD LOAD F F T T SP SP IC401 MT1336E RF SLED FEEDING MOTOR SL SL IC402 LA6560 MOTOR DRIVER M DV33 DV33 AV33 DV33 V25 REG_5VA ACLK ABCLK ALRCK IC507 MM1623XFBE VIDEO BUFFER ASPECT VCC RVCC AVCC AV33 V25 LD01 LD02 IOA V2 0 VCC 8V RVCC LIMIT TROUT TRIN TROPEN TRSO FOSO DMSO FMSO SCLK SDEN SDATA PWMOUT2 AD 0 7 VCR SYS POWER BOARD V1P4 MDI1 APC DVD_DATA_OUT 5V2A ...

Страница 61: ...E RF Signal Processor FOSO TRSO FMSO DMSO TROPEN FEO TEO RFL RFRP BDO CSO HTRC V2P8 ADIN F F T T SL SL LOAD LOAD 27MHz X TAL RFOP RFON LD0 1 LDO 2 IOA MDI 1 ALPC V20 SDEN SDATA SCLK PWMOUT2 LIMIT TRIN TROUT TRCLOSE STBY V1P4 FLASH ROM PRD PWR PCE AD 0 7 A 0 19 EEP ROM SCL SDA RS232C MTK RXD TXD TOSHIBA SD V55HTSU SC 2 SERVO Block Diagram ...

Страница 62: ...face RF IC Interface VCR SYSTEM MICOM ENTERFACE RFOP RFON HTRC RFRP RFL X501 27MHz Y2 Y Y3 Color Y4 Y Y5 Cb Y6 Cr ASPECT 16 9 FEO CSO TEO ADIN BDO SDATA SDEN SCLK URST FMSO DMSO V1P4 V2P8 TROPEN TRSO FOSO ACLK ALRCK ABCK ASDTA 0 3 PWR PCE PRD A 0 19 AD 0 7 DVD_RESET DVD_DATA DVD_ENA DVD_CLK DVD_DATA_IN TOSHIBA SD V55HTSU SC ...

Страница 63: ...ock Diagram IC507 VIDEO 6dB Amp IC205 OP Amp LPF Buffer CVBS COMPONENT R G B Y Pb Pr SUPER VIDEO Y C R G B Y Pb Pr Y C INTERFACE MPEG MPEG AUDIO L AUDIO R TOSHIBA SD V55HTSU SC ACLK ABCK ALRCK ADATA3 IC301 PS9818 AUDIO DAC ...

Страница 64: ...ulty bit 96kHz 24bit DIR NON PCM bit stream detect control serial interface dinamic range ADC_100dB DAC_106dB Volume control AC 3 40V 3 5A DMOS output stage 50 50W THD 10 _30V 8ohm 80W THD 10 _36V 8ohm 92 79 80 31 32 29 30 2 3 8 9 10 11 16 17 2 3 8 9 10 11 16 17 31 32 29 30 31 32 31 32 29 30 2 3 8 9 10 11 16 17 2 3 8 9 56 57 53 54 70 71 67 68 60 61 63 64 DO CS CLK DI INT0 INT1 RST 26 25 22 60 32 3...

Страница 65: ......

Страница 66: ...Incomplete Digitron System not working No Video signal Video signal Y Video signal Color System not working or screen is abnormal No Power on 3 81 3 82 CIRCUIT DIAGRAMS 1 MPEG CIRCUIT DIAGRAM ...

Страница 67: ...3 83 3 84 2 RF SERVO CIRCUIT DIAGRAM ...

Страница 68: ...TUNER_L TUNER_R 3 85 3 86 3 AUDIO µ_COM CIRCUIT DIAGRAM DVD AMP ...

Страница 69: ...3 87 3 88 4 DIGITAL AMP CIRCUIT DIAGRAM DVD AMP ...

Страница 70: ...5 PWM CODEIC CIRCUIT DIAGRAM DVD AMP 3 89 3 90 ...

Страница 71: ...6 INTERFACE CIRCUIT DIAGRAM DVD AMP 3 91 3 92 ...

Страница 72: ...22 0 0 06 0 0 06 0 06 0 2 25 1 23 2 23 2 23 2 23 2 17 2 17 2 18 0 0 15 0 16 0 1 28 5 05 0 16 0 15 0 16 0 15 5 05 2 06 3 28 0 0 0 0 0 026 5 12 0 5 12 3 21 3 46 2 81 0 0 21 0 22 0 0 21 0 23 0 21 0 23 0 22 0 0 0 07 0 07 1 97 1 96 1 54 0 19 0 21 0 22 0 22 0 23 0 23 2 28 2 28 2 27 2 27 2 27 2 16 2 08 2 07 2 07 2 08 0 13 0 14 0 1 28 5 18 0 14 0 15 0 13 0 14 5 1 2 07 3 21 0 1 59 1 59 0 1 59 1 59 3 21 0 1...

Страница 73: ...4 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 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 26 27 15 61 15 61 31 59 0 0 31 59 15 61 15 61 NC 0 0 02 5 02 5 02 3 24 0 3 15 3 15 3 15 3 23 1 57 1 57 1 57 1 57 26 31 26 31 31 57 31 57 0 15 6 15 6 31 58 0 0 31 58 15 62 15 62 15 61 15 61 31 59 0 0 31 59 15 61 15 61 NC 0 0 02 5 02 5 02 3 23 0 3 15 3 15 3 15 IC750 S...

Страница 74: ...LOCATION GUIDE LOCATION GUIDE 3 97 3 98 PRINTED CIRCUIT DIAGRAMS 1 DVD AMP P C BOARD ...

Страница 75: ......

Страница 76: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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