Zenith XBS344 Series Service Manual Download

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6. LASER POWER CONTROL 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)

Summary of Contents for XBS344 Series

Page 1: ...del Line F Product Year 2003 Summary 1 Cabinet Main Chassis 2 Electrical 3 VCR Mechanism 4 DVD Mechanism 5 Parts List 6 Published August 2003 by Technical Publications Zenith Electronics Corporation 2...

Page 2: ......

Page 3: ...CONTENTS SECTION 1 SUMMARY SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 MECHANISM OF VCR PART SECTION 5 MECHANISM OF DVD PART SECTION 6 REPLACEMENT PARTS LIST...

Page 4: ...UMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 2 SERVICING PRECAUTIONS 1 3 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SPE...

Page 5: ...solder splashes or sharp solder points Be certain to remove all loose foreign par ticles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads or damaged i...

Page 6: ...Accessible Conductive Parts include Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electr...

Page 7: ...wind time About 150 seconds T 120 Antenna 75 ohms VHF UHF Channel coverage VHF 2 13 UHF 14 69 CATV 1 125 4A A W W 1 W 84 A 5 A 1 Frequency range 20Hz to 20kHz Signal to noise ratio More than 43dB Dyna...

Page 8: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS 1 EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Woofer Speaker Section DTE 5105WE 2 3 3 Speaker Section DTE 550TE 2 4 4 Packing Accessory Section 2...

Page 9: ...Frame Section 465 465 330 452 452 452 452 457 261A 330 A00 A42 A26 A46 A46A 276 277 260 285 300 467 322 323 467 457 467 250 467 467 467 457 A43 D G 6 0 1 A49 A50 A44 284 280 283 276B A48 266 263 A48A...

Page 10: ...2 3 951 954 960 961 953 957 959 955 956 963 A90 2 Woofer Speaker Section DTE 5105WE...

Page 11: ...2 4 850 852 851A 851 853 854 857 858 A80 3 Speaker Section DTE 550TE...

Page 12: ...806 CABLE SET ASS Y RF 810 OPTIONAL PARTS 803A 803B 803C 820 PLUG ASS Y 1WAY BLACK OWNER S MANUAL BOX 801 802 REMOCON SHEET PACKING CASING PACKING CASING PACKING CASING PACKING CASING 900 803 804 CAB...

Page 13: ...NG GUIDE 3 56 1 SYSTEM OPERATION FLOW 3 56 2 TEST DEBUG FLOW 3 57 3 AUDIO COM CIRCUIT DVD AMP 3 63 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3 64 1 SYSTEM 27MHZ CLOCK RESET FLASH R W SIGNAL 3...

Page 14: ...UDIO 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...

Page 15: ...nchronized signal to 6 5H 0 5H 412 s 1H 63 s 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 Pa...

Page 16: ...s 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...

Page 17: ...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 Rep...

Page 18: ...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 p...

Page 19: ...he 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...

Page 20: ...n77 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...

Page 21: ...llation 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...

Page 22: ...n52 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...

Page 23: ...ower 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...

Page 24: ...3 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 F...

Page 25: ...rmal 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...

Page 26: ...602 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 COM Pi...

Page 27: ...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...

Page 28: ...lace IC801 Check Ports of COM Check A MUTE port of 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...

Page 29: ...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 8...

Page 30: ...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 12V REG BLOCK IC153 C139 PWR SENSE BLOCK R184...

Page 31: ...5 2VA TO AVCP REG 5V FROM COM PWR CTL H PVS01 5 3VA 8V GND REG 12VT 3 3V 3 3V 5V 5V GND 2 5V GND GND 1 2 3 4 5 6 7 8 9 10 11 12 PVD01 33VT BLOCK Q163 R168 R169 R170 12VT BLOCK IC164 C162 R171 8V BLOC...

Page 32: ...30V NC V OUT GND NC CLOCK DATA AFT GND SIF TU 33V V OUT GND PVT02 PVT02 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 C731 10 16V C878 56p R703 3 9K C701 4 7 50V C701 15PF C704 0 1 C707 15PF R708 680 R70...

Page 33: ...M 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 CLO...

Page 34: ...74 80 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 M...

Page 35: ...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 AUDIO DVD A IN R AV1 A IN L AV1 A I...

Page 36: ...E 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...

Page 37: ...DED ON THE SCHEMATIC 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...

Page 38: ...3 34 3 35 2 POWER SMPS CIRCUIT DIAGRAM 2 SR13601A R171 4 7K...

Page 39: ...3 36 3 37 3 JACK TUNER CIRCUIT DIAGRAM 03 08 15 SR13605A...

Page 40: ...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 X301 is defective EE PB Screen doesn...

Page 41: ...3 40 3 41 5 Hi Fi CIRCUIT DIAGRAM PB REC 100 100 T W KTC3875 02 12 04 R13604A 23 Pin is defective Hi Fi Audio is not appear IC801 Pins37 38 aredefective All Audio is not appear...

Page 42: ...OM is unstable X501 X502 are defective COM will not operate L511 R598 C595 C596 are defective OSD will not operate Just clock ES501 ES502 LD501 are defective Tape mode not working Tape remaining on re...

Page 43: ...3 44 3 45 7 KEY CIRCUIT DIAGRAM SR13610A...

Page 44: ...V 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 200 s Ch1 Ch1 3 04 V 1 00 V T T 1 Tek Stop 10 0KS s 18 Acqs M 5 00ms Ch1 Ch1 3...

Page 45: ...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...

Page 46: ...3 50 3 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...

Page 47: ...3 52 3 53 2 TUNER P C BOARD LOCATION GUIDE 3 POWER P C BOARD...

Page 48: ...3 54 3 55 4 KEY 1 LEFT P C BOARD LOCATION GUIDE 5 KEY 2 RIGHT P C BOARD LOCATION GUIDE...

Page 49: ......

Page 50: ...Position Recieve OPEN CLOSE Key Receive CLOSE Key 1 Stop Playback Open Tray 2 Display tray open message LOGO 1 Execute Pressed Key IR Key 2 Systemoperati on Routi ne Loop 1 Judge whether have disc and...

Page 51: ...rcuit 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 output...

Page 52: ...n 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 LO...

Page 53: ...cal 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...

Page 54: ...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 sign...

Page 55: ...EO signal on MT1336 Proper FEO signal on MT1336 Check the related circuit on MT1336 FEO sugnal Check the related circuit on MT1336 Properly TRSO signal on MT1379 T T output properly Check the TRSO con...

Page 56: ...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...

Page 57: ...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...

Page 58: ...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 COM IC501 PIN83 5 2VA Power Cord in M...

Page 59: ...3 65 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...

Page 60: ...T1379 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 TRCLO...

Page 61: ...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...

Page 62: ...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...

Page 63: ...TROL 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 IC...

Page 64: ...3 70 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...

Page 65: ...3 71 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...

Page 66: ...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 FI...

Page 67: ...73 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...

Page 68: ...3 74 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...

Page 69: ...3 75 3 C IC507 PIN 26 FIG 12 3 2 Y IC507 PIN 21 FIG 12 2...

Page 70: ...1 Audio L R FIG 13 1 3 76 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...

Page 71: ...3 77 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...

Page 72: ...CEIVER 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 ASPEC...

Page 73: ...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 IC502 GM72V161621 1M x 16bit SDRAM IC503 GM72V161621 1M x 16bit...

Page 74: ...ENTERFACE IC502 SDRAM 16M RFOP RFON HTRC RFRP RFL DCLK WE CAS RAS CS DCKE MA 0 10 DQM0 DQM1 DQ 0 15 DQM2 DQM3 DQ 16 31 X501 27MHz SCL SDA Y2 Y Y3 Color Y4 Y Y5 Cb Y6 Cr ASPECT 16 9 FEO CSO TEO ADIN B...

Page 75: ...O Block Diagram IC507 VIDEO 6dB Amp IC206 AUDIO DAC 2CH 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 R AUDIO R HOME MTK SANYO ACLK A...

Page 76: ...H Multy 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...

Page 77: ......

Page 78: ...signal Y Video signal Color System not working or screen is abnormal No Power on Video signal not appeared Digitron all not display System not working VZ DV51V SANYO 3 83 3 84 CIRCUIT DIAGRAMS 1 MPEG...

Page 79: ...CD DVD LD will not on SR13608A VZ DV51V SANYO 3 85 3 86 2 RF SERVO CIRCUIT DIAGRAM...

Page 80: ...VZ DV51V SANYO TUNER_L TUNER_R 3 87 3 88 3 AUDIO _COM CIRCUIT DIAGRAM DVD AMP...

Page 81: ...VZ DV51V SANYO FRONT_R FRONT_L REAR_R REAR_L 3 89 3 90 4 DIGITAL AMP CIRCUIT DIAGRAM DVD AMP...

Page 82: ...5 PWM CODEIC CIRCUIT DIAGRAM DVD AMP VZ DV51V SANYO 12 288MHz R R L L R L OPTICAL_IN 3 91 3 92...

Page 83: ...6 INTERFACE CIRCUIT DIAGRAM DVD AMP VZ DV51V SANYO 3 93 3 94...

Page 84: ...103 104 105 106 107 108 109 110 2 99 5 08 0 0 5 07 1 95 0 0 0 5 08 5 08 0 0 5 08 2 81 1 43 2 07 1 42 2 3 0 0 5 08 0 3 2 1 88 0 3 13 2 01 2 06 1 52 0 2 07 2 07 0 0 0 0 0 0 0 0 5 09 5 09 5 09 5 09 5 09...

Page 85: ...21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 0 3 29 5 08 2 42 5 08 0 0 1 69 0 2 46 0 1 76 0 2 42 5 08 2 42 0 2 47 0 2 47 0 2 3 2 17 0 2 24 0 0 0 0 05 0 0 2 55 0 2 56...

Page 86: ...LOCATION GUIDE LOCATION GUIDE 3 99 3 100 PRINTED CIRCUIT DIAGRAMS 1 DVD AMP P C BOARD...

Page 87: ......

Page 88: ...e 4 12 1 Mechanism Alignment Position Check 4 13 2 Preparation for Adjustment 4 14 3 Checking Torque 4 14 4 Guide Roller Height Adjustment 4 15 4 1 Preliminary Adjustment 4 15 4 2 Precise Adjustment 4...

Page 89: ...sembly P4 Chassis Embossing A 5 T 17 Opener Lid Chassis Embossing A 5 T 17 18 Arm Assembly Pinch Shaft A 5 T 17 19 Lever T Up Arm T Up 1 Hook A 5 T 17 18 20 Belt Capstan Motor Capstan 3 Screw A 6 B 21...

Page 90: ...the Drum assembly 3 Unhook H1 H2 and separate the Holder FPC and Cap FPC 1 1 Drum Motor 1 Remove two Screws S2 and disassemble the Stator of the Drum Motor 2 Remove two Screws S3 and separate the Rot...

Page 91: ...e Top Arm Assembly F L Spring Lever S W Gear Assembly Rack F L Chassis Opener Door Bracket Assembly L D Motor Holder Assembly CST B C D E H6 A B Lever Assembly S W H8 Fig A 2 Fig A 2 1 Fig A 2 2 Fig A...

Page 92: ...r Figure A 2 3 1 Turn the Opener Door clockwise and remove it through the guide hole of the Chassis 5 Bracket Assembly L D Motor Fig A 2 4 1 Unplug the Connector C1 2 Unhook three Hooks H3 H4 H5 on bo...

Page 93: ...direction and lift it up 10 Head F E Fig A 3 2 1 Breakaway the A portion of the Head F E from the embossing of the Chassis turn it to counterclockwise direction and lift it up 11 Base Assembly A C He...

Page 94: ...Brake Assembly RS Fig A 4 2 1 Unhook the Spring RS from the Hook H10 of the Chassis 2 Lift the Brake Assembly T up 14 Arm Assembly Tension Fig A 4 3 1 Unhook the Spring Tension from the Hook H11 of th...

Page 95: ...er Lid Fig A 5 2 1 Breakaway the B portion of the Opener Lid from the embossing of the Chassis 2 Turn the Opener Lid to clockwise direction and lift it up 18 Arm Assembly Pinch Fig A 5 3 1 Lift the Ar...

Page 96: ...pstan 2 Remove the three Screws S5 on bottom Chassis and lift the Motor Capstan up 21 Lever F R Fig A 6 3 1 Unlock the Locking Tab L1 as Fig A 6 3 and lift the Lever F R up 22 Clutch Assembly D35 Fig...

Page 97: ...nd the Gear Cam Hole B in a straight line after the Gear Drive Hole C is aligned with the Chassis Hole as Fig 25 Gear Sector Fig A 7 3 1 Unhook the Hook H15 of the Base Loading on bottom Chassis and l...

Page 98: ...P3 up NOTE When reassembling align the two holes of the Gear Assembly P2 and P3 in a straight line after confirmation whether the Gear Sector Hole A and the Plate Slider Hole B are aligned or not as F...

Page 99: ...on Fig A 9 2 1 Breakaway the A portion of the Base Tension from the embossing of the Chassis 2 Turn the Base Tension to counterclockwise direction and lift it up 33 Arm Assembly Idler Fig A 9 3 1 Make...

Page 100: ...00 D006 4 Torque Gauge Adaptor Parts No D09 R001 5 Post Height Adjusting Driver Parts No DTL 0005 6 Type Driver 5 2 Alignment Tape Parts No NTSC DTN 001 PAL DTN 0002 3 Torque Gauge 3 600g Cm ATG 3 Par...

Page 101: ...s as below Fig C 2 4 Remove the Screw which fixes the Deck Mechanism and Main Frame and confirm if the Gear Cam is aligned with the Gear Drive as below Fig C 1 A 5 Confirm if the Mode S W on the Main...

Page 102: ...he Torque Gauge affixed NOTE The torque reading to measure occurs when the tape abruptly changes direction from Fast Forward to Rewind Mode when quick braking is applied to both Reels SRK VIDEO CASSET...

Page 103: ...elope CH 2 NTSC SW 30Hz PAL SW 25Hz Head Switching Output Point RF Envelope Output Point Test Conditions VCR VCP State Play an Alignment Tape Adjustment Point Guide Roller Height Adjustment Screws Fig...

Page 104: ...crew Fig C 5 3 A C Head Tape Tape 0 2 0 25mm P4 5 1 Preliminary Adjustment Height and Tilt Adjustment Perform the Preliminary Adjustment when there is no Audio Output Signal with the Alignment Tape 1...

Page 105: ...rnately adjust the Azimuth Adjustment Screw A and the Tilt Adjustment Screw C for maximum output of the 1KHz and 7KHz segments while maintaining the flattest envelope differential between the two freq...

Page 106: ...m Condition Play the Blank Tape Play an Alignment Tape Adjustment Points Guide Roller Precise Adjustment Switching Point Tracking Preset X Value Checking Adjustment Procedure Play a blank tape and che...

Page 107: ...ch Roller NOTE If locations marked with o do not operate normally after cleaning check for wear and replace See the EXPLODED VIEWS at the end of this manual as well as the above illustrations and see...

Page 108: ...ideo head First use a cleaning tape If the dirt on the head is too stubborn to remove by tape use the cleaning patch Coat the cleaning patch with Isopropyl Alcohol Touch the cleaning patch to the head...

Page 109: ...ing Path Inside Top side 2 Base Assembly P2 P3 stopper 3 Shaft 4 L D Motor Gear Wheel Part 5 Arm Take up Rubbing Sections 6 Reel S T shaft G381 Yellow 7 Arm Assembly F L Rotating Sections Guide Rail B...

Page 110: ...MAINTENANCE INSPECTION PROCEDURE 4 22 Lever F R Base Tension GEAR AY P2 P3 Lever F R Base Tension Arm Tension Guide Hole Clutch G 754 Yellow Boss Cam...

Page 111: ...sensor Check the syscon circuit NO YES YES YES YES NO NO 1 Deck Mechanism A NO NO NO No F R modes Is the present mode F R Mode Is the mode SW assembled correctly refer to page 4 13 Is the normal volta...

Page 112: ...page 4 13 Replace the Drum Motor Check the Servo Syscon Check the Syscon COM Cassette doesn t load Insert the cassette Check Lever Assembly S W Is there variation for CST IN S W Output In Tape with RE...

Page 113: ...Check the Syscon Circuit Check the Syscon Circuit Check the Servo Syscon Does the Capstan Motor turn Is the terminal voltage vctl of the Drum Motor more than 4V Replace the Drum Motor Is the Vcc volt...

Page 114: ...5V YES Is there a short circuit between cassette switch and GND on main P C Board Remove the short circuit part or Replace the main P C Board NO Check the Mode switch location and syscon circuit Repla...

Page 115: ...ssembly F L Check the power of L D Motor Check the Holder Assembly Cassette assembled correctly Replace the Gear Rack F L Does the Gear Assembly Rack F L work Does the Opener Door work Does the Arm As...

Page 116: ...4 28 EXPLODED VIEWS 117 103 105 117 100 106 107 A21 114 113 112 110 115 A24 116 102 A23 032 A22 109 054 054A 100A 100B 1 Front Loading Mechanism Section...

Page 117: ...9 401 402 001 008 011 031 079 017 032 024 406 020 021 028 019 018 029 030 026 A03 A04 A01 002 002A 025 027 022 003 004 006 007 010 405 014 015 009 409 013 023 016 405 012 402 OPTIONAL PART 2 Moving Me...

Page 118: ...EXPLODED VIEWS 4 30 051 052 517 061 056 058 518 052A 055 060 410 070 069 076 032 077 068 064 066 065 067 A11 078 A12 OPTIONAL PART 3 Moving Mechanism Section 2...

Page 119: ...MEMO...

Page 120: ...2 1 1 3 Clamp Upper 5 2 2 Tray Disc 5 2 3 Base Assembly Sled 5 3 3 1 Gear Assembly Feed 5 3 3 2 Gear Assembly Middle 5 3 3 3 Gear Assembly Rack 5 3 4 Rubber Rear 5 3 5 Frame Assembly Up Down 5 4 6 Be...

Page 121: ...Rear Frame Assembly Up Down Belt Loading Gear Pulley Gear Loading Guide Up Down PWB Assembly Loading Base Main 2 Screws 2 Locking Tabs 4 Screws 1 Screw 1 Screw 1 Locking Tab 1 Locking Tab 1 Locking T...

Page 122: ...amp Assembly Disc from the Holder Clamp 1 1 1 Plate Clamp 1 Turn the Plate Clamp to counterclockwise direction and then lift up the Plate Clamp 1 1 2 Magnet Clamp 1 1 3 Clamp Upper 2 Tray Disc Fig 5 2...

Page 123: ...ISM DISASSEMBLY 3 Base Assembly Sled Fig 5 3 1 Release 4 Screw S2 2 Disconnect the FFC Connector C1 3 1 Gear Assembly Feed 3 2 Gear Middle 3 3 Gear Assembly Rack 1 Release the Scerw S3 4 Rubber Rear F...

Page 124: ...ck the Locking Tab L4 in direction of arrow B and then separate the Gear Pulley from the Base Main 8 Gear Loading Fig 5 4 9 Guide Up Down Fig 5 4 1 Move the Guide Up Down in direction of arrow A as Fi...

Page 125: ......

Page 126: ...Exploded View 429 429 026 010 018 013 014 017 015 015A 011 430 431 011A 012 004 001 002 003 A01 A02 020 430 430 430 430 012 021 433 433 012 012 028 022 432 024 A03 A26 025 030 015B 015C 435 029 031 43...

Page 127: ......

Page 128: ...SEMBLY NTSC RF 1 8M 1W YELLOW 1 8M 811 6850R PAA8F CABLE COAXIAL 1 WAY COAXIAL DT_HY_HIT_SEIL 1 812 6850R PBA8H CABLE COAXIAL 2 WAY COAXIAL RED_WHITE DT_HY 808 534 008C BATTERY MANGANESE AAAM R03 SEOT...

Page 129: ...1A BASE MAIN MOLD 021 4680R C011A MOTOR MECH SPINDLE JCL9B68 SANKYO FOR COM 022 4681R 0034C MOTOR ASSEMBLY DECK MECHA FEED DP 7C DI 024 4470R 0131A GEAR PINION DP7C 024A 5006R 0044A CAP SKEW T DP7C 02...

Page 130: ...MPS C140 0CE108EH610 CAPACITOR FIXED ELECTROLYTIC 1000UF KMG 25V 20 BULK FL C141 624 082G CAPACITOR FIXED ELECTROLYTIC CE 470UF 25V SHL 10 12 5 T P C142 0CE228BF630 CAPACITOR FIXED ELECTROLYTIC 2200UF...

Page 131: ...01F608 RESISTOR FIXED CARBON FILM 2 7K OHM 1 6 W 5 TA26 R122 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R123 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R124 0RN2402F408...

Page 132: ...TP 5 C135 0CE4776D618 CAPACITOR ELECTROLYTIC 470M SMS 10V M FL TP 5 C136 0CE4776D618 CAPACITOR ELECTROLYTIC 470M SMS 10V M FL TP 5 C146 0CE4776F638 CAPACITOR FIXED ELECTROLYTIC 470UF SMS SG 16V 20 FM...

Page 133: ...309 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C310 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c 0 1UF 50V 10 B 5YP 1608 R TP C311 0CH1104K512 CAPACITOR FIXED CERAMIC Temp c...

Page 134: ...L HD 0 1UF 50V Z Y5V F 1508 R TP C466 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C467 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C468 0CH1104K942...

Page 135: ...ACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C530 0CE1054K638 CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C531 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C532...

Page 136: ...TP 5 C595 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C596 0CH1102K562 CAPACITOR FIXED CERAMIC Temp c 1000PF 50V 10 X7R X 1608 R T C597 0CH4470K412 CAPA CHIP CERAMIC M L T...

Page 137: ...10 X7R X R TP C755 624 085D CAPACITOR CE 47UF 50V KME SMPS C756 0CK105EK94A CAPACITOR FIXED CERAMIC High d 1UF 3216 50V 80 20 R TP F Y C765 624 085D CAPACITOR CE 47UF 50V KME SMPS C766 0CK105EK94A CAP...

Page 138: ...DUCTOR CS4334 KS 8P SOIC TP AUDIO DAC IC301 0ILNRPV001A IC LINEAR PS9702B PULSUS 100 QFP TRAY 6C IC401 0ILNRNF006A IC LINEAR MT1336E MEDIATEK INCORPORATION IC402 0IPRPSA010A IC PERIPHERALS LA6560 A TE...

Page 139: ...6140RCC007B COIL RF CCDR1016SW 500221 SAMWHA DOUB L730 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L731 6140RCC007B COIL RF CCDR1016SW 500221 SAMWHA DOUB L742 6140RCC007B COIL RF CCDR1016...

Page 140: ...1K OHM 1 16 W 1608 5 00 D R142 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R143 0RH8201C622 RESISTOR METAL GLAZED CHIP 8 2K OHM 1 16 W 1608 5 00 D R144 0RH8201C622 RESISTOR METAL...

Page 141: ...16 W 1608 5 00 D R227 0RH8201C622 RESISTOR METAL GLAZED CHIP 8 2K OHM 1 16 W 1608 5 00 D R228 0RH1003C622 RESISTOR METAL GLAZED CHIP 100K OHM 1 16 W 1608 5 00 D R229 0RH1002C622 RESISTOR METAL GLAZED...

Page 142: ...HM 1 16 W 1608 5 00 D R335 0RH0102C622 RESISTOR METAL GLAZED CHIP 10 OHM 1 16 W 1608 5 00 D R336 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R345 0RH1000C622 RESISTOR METAL GLAZED...

Page 143: ...4 7K OHM 1 16 W 1608 5 00 D R480 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R481 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R501 0RH8201C622 RESISTOR META...

Page 144: ...GLAZED CHIP 470 OHM 1 16 W 1608 5 00 D R578 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R579 0RH1001C622 RESISTOR METAL GLAZED CHIP 1K OHM 1 16 W 1608 5 00 D R580 0RH1001C622 RES...

Page 145: ...AZED CHIP 5 6 OHM 1 16 W 1608 5 00 D R768 0RH0561C622 RESISTOR METAL GLAZED CHIP 5 6 OHM 1 16 W 1608 5 00 D R775 0RD0472F608 RESISTOR FIXED CARBON FILM 47 OHM 1 6 W 5 TA26 R776 0RD0472F608 RESISTOR FI...

Page 146: ...R METAL GLAZED CHIP 0 OHM 1 10 W 2012 5 00 D C322 0CH4101K416 CAPA CHIP CERAMIC M L T C F S 100P 50V J NP0 2 0 1 25 R TP C323 0CH4101K416 CAPA CHIP CERAMIC M L T C F S 100P 50V J NP0 2 0 1 25 R TP C32...

Page 147: ...2012 R TP C542 0CH4681K416 CAPA CHIP CERAMIC M L T C F S 680PF 50V J NP0 2012 R TP C543 0CH1223K516 CAPA CHIP CERAMIC M L H D F S 0 022U 50V K B 2 0X1 2 R TP C544 0CH1473K516 CHIP CAPA CERAMIC M L H D...

Page 148: ...C F S 15P 50V J COG 2 0X1 2 R TP C707 0CH4150K416 CAPA CHIP CERAMIC M L T C F S 15P 50V J COG 2 0X1 2 R TP C708 0CH1104K946 CAPACITOR FIXED CERAMIC TEMP C 0 1UF 2012 50V 80 20 Y5V F C712 0CH1152K516 C...

Page 149: ...YTIC 1 0M SRA SS50V M FM5 TP 5 C882 0CE1064F638 CAPACITOR ELECTROLYTIC 10M SRA 16V M FM5 TP 5 C883 0CE1054K638 CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C884 0CH1104K946 CAPACITOR FIXED CERAMIC...

Page 150: ...TRANSISTOR KTA1504 GR T1 ASG CHIP KEC Q302 0TR387509AC TRANSISTOR CHIP KTC3875S GR T1 ALG KEC Q303 0TR387509AC TRANSISTOR CHIP KTC3875S GR T1 ALG KEC Q304 0TR534409AA TRANSISTOR 2SC5344Y TP Q305 0TR92...

Page 151: ...7K OHM 1 10 W 2012 5 00 D R322 0RH1001D622 RESISTOR METAL GLAZED CHIP 1K OHM 1 10 W 2012 5 00 D R324 0RH1001D622 RESISTOR METAL GLAZED CHIP 1K OHM 1 10 W 2012 5 00 D R325 0RH1001D622 RESISTOR METAL GL...

Page 152: ...W 2012 5 00 D R545 0RH0000D622 RESISTOR METAL GLAZED CHIP 0 OHM 1 10 W 2012 5 00 D R546 0RH4701D622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 10 W 2012 5 00 D R547 0RH1002D622 RESISTOR METAL GLAZED CHIP...

Page 153: ...1 10 W 2012 5 00 D R801 0RH1000D622 RESISTOR METAL GLAZED CHIP 100 OHM 1 10 W 2012 5 00 D R802 0RH4702D622 RESISTOR METAL GLAZED CHIP 47K OHM 1 10 W 2012 5 00 D R804 0RH4701D622 RESISTOR METAL GLAZED...

Page 154: ...MER DT 66750M DIEVNT BD601 636 004C FILTER CIRC EMC BEAD CORE BFS3550R2FD8 R T P C601 0CN1050K948 CAPACITOR TUBULAR HIGH DIELEC 1UF 50V Z F TA26 D C602 0CE4775C638 CAPACITOR FIXED ELECTROLYTIC 470UF S...

Page 155: ...RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R643 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 RC601 6712R1638GB REMOTE CONTROLLER RECEIVER TSOP4438RF1 VISHAY 38KHZ TSOP SW601 556 219B...

Page 156: ...1R 0038A BASE ASSY P3 014 3041R 0039A BASE ASSY P4 015 5870R 0005A OPENER LID D35 016 3041R 0036B BASE ASSEMBLY A C HEAD TDK 016 3041R 0036A BASE ASSEMBLY A C HEAD ALPS 017 4408R 0003A REEL S 018 4970...

Page 157: ...31B SCREW DRAWING 1 D2 6 L5 8 SWRCH16A FZY TAP 406 1MEC0302018 PAN HEAD MACHINE SCREW S W D 3 0 L 6 0 MSWR3 FZY 409 1SZZR 0032B SCREW DRAWING 1 D2 6 L5 0 SWRCH18A FZY TAP 410 1APF0262218 SCREW TAP TIT...

Page 158: ...RT NO DESCRIPTION SPECIFICATION REMARKS 959 353M050C SCREW BH 3 5X16 FBK 960 353M050M SCREW DRAWING 2 D3 5 L10 0 MSWR3 FZY 961 4766RM0020A FELT EVA FE 5620WE DUCT BLACK 963 3610RM0005A FOOT EVA PHI 20...

Page 159: ......

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