Zenith XBV 443 Скачать руководство пользователя страница 33 | Manualshive

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3-28

3-29

5. Hi-Fi BLOCK DIAGRAM

A

B

Hi-Fi/

REC

IC801

LA72670BM

A.OUT

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 AUDIO

DVD A.IN 'R'

AV1 A.IN 'L'

AV1 A.IN 'R'

AV2 A.IN 'L'

AV2 A.IN 'R'

DVW-7000

REAR JACK

FRONT

FM MODU

DE MODU

DEMO

DULATE

INPUT

SELECT

OUTPUT

SELECT

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Содержание XBV 443

Страница 1: ......

Страница 2: ...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...

Страница 3: ...MARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices SPECI...

Страница 4: ...YS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE...

Страница 5: ...g Metal pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly ar...

Страница 6: ...or 4 Swichable VCR SPECIFICATIONS Head system Four head helical scan azimuth system Timer 12 hour display type with AM PM Tape speed SP 33 35 mm sec LP 16 67 mm sec SLP 11 12 mm sec Tape width 12 7 mm...

Страница 7: ...2 1 SECTION 2 CABINET MAIN CHASSIS CONTENTS 1 EXPLODED VIEWS 2 2 1 Cabinet and Main Frame Section 2 2 2 Packing Accessory Section 2 3...

Страница 8: ...LODED VIEWS 1 Cabinet and Main Frame Section A43 A60 260 A44 A26 A00 250 300 462 467 467 457 467 A46 A47 468 468 468 323 265 467 465 330 452 452 261A 261A 261A 261A 285 274 283 284 286 280 A 5 4 3 2 1...

Страница 9: ...ccessory Section BATTERY 808 BAG 804 PACKING CASING 803 806 INSTRUCTION ASSEMBLY CABLE COAXIAL 810 CABLE ASS Y RF 801 REMOTE CONTROLLER ASSEMBLY 900 BOX 802 PACKING CASING 803 811 812 PLUG ASS Y 1WAY...

Страница 10: ...GUIDE WAVEFORMS 3 56 1 System Clock X601 27Mhz 3 56 2 Initializing between MPEG and SDRAM 3 56 3 Initializing between MPEG and Flash 3 57 4 Reference Voltage 1 3 57 5 Reference Voltage 2 3 58 6 Check...

Страница 11: ...GND 5 3VA 33VA GND 4VA 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 PMD01 PMD02 Vcc HF RF DVD_LD DVD_PD VOL DVD GND VC_INPUT Vcc HF F E A D C B F T T F Vcc GND CD_LD CD_PD VOL CD 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

Страница 12: ...time difference which is from the selected A B Head point of the H SW TP signal to the starting point of the vertical synchronized signal to 6 5H 0 5H 412 s 1H 63 s PG Adjustment Method a 1 Payback t...

Страница 13: ...the F101 Use the same Fuse Is the F101 normal Is the R101 normal Is the BD101 normal NO NO NO NO NO NO NO NO NO Replace the BD101 Replace the R101 Is the D102 normal Replace the D118 MTK D112 ST Repl...

Страница 14: ...0 Is the Q162 Base H NO NO Check the PWR CTL H signal from com YES YES YES 2 No 5V No 3 3V Check or Replace the D111 Check the PWR CTL H signal from com Is there about 3 7V at the IC152 pin1 Is there...

Страница 15: ...lace YES 7 No 8V Check or Replace the D110 NO NO Check the PWR CTL H signal from com NO 33V Is the Vcc 12V supplied to Q165 Collector Check or Replace the D110 Is the Vcc 10V sup plied to Q165 Base Ch...

Страница 16: ...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...

Страница 17: ...um Motor 2 doesn t run Do the DFG Pulses appear at the PMC01 Pin11 Replace the DRUM M or CAP M Aren t the foil patterns and the Components between IC501 Pin 90 and PMC01 Pin11 short Replace the IC501...

Страница 18: ...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...

Страница 19: ...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...

Страница 20: ...22 47 60 84 Does the Video signal appear at the IC301 Pin29 Does the Video signal appear at the IC501 Pin52 Does the Video signal appear at the IC602 Pin7 Check the path of the sig nal between the IC...

Страница 21: ...Check the System Circuit IC501 Pin18 Check the V H S W level Check R328 Check the IC301 Refer to SYSTEM I2 C BUS CHECK Trouble Shooting Is the V H S W signal applied to the IC301 Pin70 Is V H S W H ab...

Страница 22: ...he IC301 Pins 22 47 60 84 Is the Color signal applied to the IC301 Pin 57 Check the SW 5V 5 3V Line Power Circuit Replace the X301 Check the Color Pass Is normal the X301 3 58MHZ of oscillation Freque...

Страница 23: ...he IC301 Pin76 Check EE Mode Check the system of REC H IC501 pin74 Replace the IC301 Check the SW 5V 5 3VA Line Power Circuit Check PB Mode Does the REC H 4V 5V signal appear at the Q303 Q307 Base Che...

Страница 24: ...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 M...

Страница 25: ...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...

Страница 26: ...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 CPM IC501 Pins71 72 Check Audio input...

Страница 27: ...NO Does the Video signal at the IC609 Pin 23 YES NO Check the signal flow from IC609 Pin23 to JK901 Pin Video out YES Check 33V line NO Check 5V line NO YES Does the Clock signal appear at TU701 Pin9...

Страница 28: ...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 JK901 Audio out L R YES Check the Tuner SIF of TU701 Pin13 NO 1 Check the...

Страница 29: ...C163 R133 L122 C126 RECTIFIER SMOOTING BLOCK D118 D112 C129 C131 L124 L125 RECTIFIER SMOOTING BLOCK D111 C127 L123 C128 RECTIFIER SMOOTING BLOCK D113 C132 R119 CAP VCC D115 D117 DRUM VCC 12V 8V 5 3VA...

Страница 30: ...5V CONTROL V IN RF AGC NC ENABLE CLOCK DATA AFT A OUT SIF TU 30V NC V OUT 999 GND 100 AFT 732 TU V OUT 875 MOD A IN 61 MOD CTL 107 5V 26 VCR H 971 MOD VEDIO 71 IIC CLK 72 IIC DATA 781 SIF OUT 1 2 3 4...

Страница 31: ...K LPF BD BPF CCD LPF APC ACC DET L DET Main Conv2 Main Conv1 FBC Video ALC PB Mode 28 29 51 49 53 55 46 19 15 17 18 36 40 38 37 23 26 31 14 9 8 11 LINE 2 VIDEO IN LINE 1 VIDEO IN TV VIDEO IN 57 45 73...

Страница 32: ...12 74 80 78 A OUT R DVD AUDIO System IC801 LA72670BM IC301 HA118725NF 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 S...

Страница 33: ...B 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...

Страница 34: ...37760 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...

Страница 35: ...is defective IMPORTANT SAFETY NOTICE WHEN SERVICING THIS CHASSIS UNDER NO CIR CUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE GO VIDEO ELECTRONICS CORPORA TIO...

Страница 36: ...3 34 3 35 2 POWER SMPS CIRCUIT DIAGRAM 2 SR14301A DVW 7000 DVW 7000 Without...

Страница 37: ...3 36 3 37 3 TU IF CIRCUIT DIAGRAM SR14305A DVW 7000 PB REC...

Страница 38: ...ORM Y REC C REC Y PB Y PB C PB Y C PB C PB Y C REC SR14303A DVW 7000 R333 C350 C349 are defective No Color H SW Level is defective Video Noise L307 C349 are defective No Color C323 is defective Video...

Страница 39: ...3 40 3 41 5 Hi Fi CIRCUIT DIAGRAM SR14304A DVW 7000 PB REC DVW 7000 Without 23 Pin is defective Hi Fi Audio is not appear IC801 Pins37 38 aredefective All Audio is not appear...

Страница 40: ...3 42 3 43 6 JACK CIRCUIT DIAGRAM DVW 7000 Without DVW 7000 Without SR14306A DVW 7000...

Страница 41: ...COM is unstable IC505 is defective VCR will not operate X501 is defective CLOCK SETTING will not operate X502 is defective COM will not operate ES501 ES502 LD501 are defective Auto Rew will not workin...

Страница 42: ...501 Pin 90 REC PB DPG DFG DPG DFG IC501 Pin 97 PB CTL OUT IC501 Pin 94 REC WAVEFORMS IC301 Waveform IC301 Pin 9 100mV 10msec DIV VV EE Main De Emphasis out IC301 Pin 12 100mV 10msec DIV PB Main De Emp...

Страница 43: ...9 2 52 2 52 5 08 5 17 1 95 5 19 0 5 14 5 19 0 4 7 0 2 54 9 18 2 48 5 19 2 07 0 1 31 0 I C 5 0 4 I C 5 0 5 I C 8 0 1 EE PLAY MODE PIN NO 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3...

Страница 44: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE 3 50 3 51...

Страница 45: ...3 52 3 53 2 MAIN P C BOARD LOCATION GUIDE...

Страница 46: ...3 54 3 55 2 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...

Страница 47: ...EG STI5589 1 MPEG IC start oscilating 27Mhz after being installed VCC 2 MPEG IC and RF IC get the MRESET signal from VCR front com and they are initialized 3 And then MPEG IC generate SMI_CLK and send...

Страница 48: ...fail If WE signal doesn t appear check the VCC and replace the Flash ROM VCC Power Cord in MRESET WE 3 Initializing between MPEG and Flash VCC 3 3V V_REFD 2 1V 9 PIN 10 PIN IC202 DSP STL6317 1 There i...

Страница 49: ...oltage 2 LIMIT_SW CD_LD CLOSE_SW FM M D ASSY PMD02 PMD03 IC202 STL6317 IC201 L6560 Let s look over the initial action of M D 1 When the tray is closed CLOSE SW should be changed from 5V to 0V and DSP...

Страница 50: ...ing the Video Signal 81 36 DSP RST PC o IC202 DSP IC IC203 MOTOR AMP IC IC601 MPEG Let s look over the initial step of DSP 1 First DSP IC receive the DSP Reset from MPEG 2 This reset signal get DSP in...

Страница 51: ...laser on PI CD DVD CD_LD DVD_LD 4 9 Checking the second step of servo 2 DAC_PCMOUT3 DAC_PCM_CLK DAC_SCLK DAC_LRCK Analog audio IC601 MPEG STI5589 AUDIO 2DAC PCM1742 OP AMP Analog Audio Amplified MC458...

Страница 52: ...MRESET is abnormal then check the front u com IC501 and replace it MRESET Pin130 of IC601 DSP_RST Pin 81 of IC202 3 3V power input The waveform when power on 11 Checking the reset port Waveforms as b...

Страница 53: ...track jump This is the waveform of FE and collector outputs of Q205 and Q206 when to play DVD Section A CD_LD is ON and DVD_LD is OFF Section B DVD_LD is ON and CD_LD is OFF This is the waveform of FE...

Страница 54: ...ugh those signals IC201 pin 9 F IC202 pin 28 SPINDLE The waveform F and SPM in the PLAY Mode 15 The status Focus and spindle motor This waveforms are showing The Downloading serve program The must imp...

Страница 55: ...eform of clock inputs to IC201 17 Input Clock to IC202 IC202 DSP STL6317 IC201 Driver IC L6560 Pin 38 Pin 39 Pin 1 Pin 2 Tray open LOPEN LCLOSE Tray close MD Pin 4 Pin 5 LM LM DSP send tray open or tr...

Страница 56: ...ow for FACT The waveform of FACT F and F 19 Focus Drive signal FACT MRESET signal is output from VCR COM when power is on so IC501 is initialized And those VCR COM and IC501 communicate each other thr...

Страница 57: ...IC606 Buffer IC IC601 C642 C641 R600 X601 The waveform and the block diagram as below show a clock input and output between IC601 and X601 Clocks generated in X601 is output and input into pin126 of I...

Страница 58: ...r Power Control 3 3V MPEG 1 8 Regulator RF IC Pick up Motor Drive MD Audio ADC DAC Front U com Buffer IC Reset IC Audio OP AMP Motor Drive IC VCR U com VCR U com IC604 74HCT244 Level Shift RF Signal A...

Страница 59: ..._ERROR_EN RS_ERROR Frontend Interface sector processor CPRM DVD decryption Memory Interface Diagnostics Controller Micro Processor ST20 MPEG Decoder Sub picture OSD Audio Decoder Video Encoder DAC Aud...

Страница 60: ...T3 ADAC_DATA ADAC_CLOCK DAC_RST DAC_SCLK DAC_LRCK DAC_PCM_CLK 2DAC INTERFACE SPDIF DSP_RST IRQ2 IIC_DATA IIC_CLK RS_ECCB_START RS_DATA RS_DVALID RS_BCLK RS_ERROR_EN RS_ERROR PROGRE_L 16 9 D2 T1 D2 T2...

Страница 61: ...AUDIO Block Diagram IC401 PCM1742KE AUDIO 2ch DAC L R L R MPEG I F To VCR Hi Fi Jack Block IC402 MC4580 OP AMP LPF Buffer DAC_SCLK DAC_LRCK DAC_PCM_CLK ADAC_CLOCK ADAC_DATA ADAC ENA_2CH DAC_PCMOUT3 DV...

Страница 62: ......

Страница 63: ...e voltage for pick up Motor drive IC Plup Spindle Loading Motor not work Tray open close RF Amplified Filtered RF Amplified DVD reading fail CD reading fail The final signal for RF Servo DSP IC F E Fi...

Страница 64: ...eset Main Servo data and clock 1 8V Regulator Video Buffer IC SDRAM 64M Ligo picture will not display MPEG IC 1 Initial Function 2 Video output 3 Audio output Level shuf IC Initial Function will be ab...

Страница 65: ...CUIT DIAGRAM SR14309A DVW 7000 2CH L 2CH R 2Ch Audio digital to Analog convertor OP Amp for Amplifying Audio Siganl Transistor for zero mute Audio mute be send to VCR Serial Interface with main com MP...

Страница 66: ...56 1 1 1 11 1 11 1 11 3 2 3 2 3 17 3 21 1 68 0 0 65 0 1 35 0 0 0 0 0 05 0 84 0 66 0 58 0 0 03 1 3 3 22 0 0 0 7 0 55 0 02 1 3 1 66 0 2 5 2 44 3 21 2 42 2 46 0 01 0 01 0 01 0 1 67 0 0 1 6 1 6 0 0 0 09 0...

Страница 67: ...0 0 0 0 0 0 0 7 0 6 0 6 0 66 0 794 0 2 39 0 81 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 0 2 46 0 0 06 0 06 0 0 0 0 0 0 0 0 0 0 7 0 5 0 5 0 8 0 6 0 2 3 0 68 2 45 0 1 8 8 04 4 94 5 03 2 11 1 75 3 22 3 24...

Страница 68: ......

Страница 69: ...ECHANISM ADJUSTMENT Fixtures and tools for service 4 12 1 Check of Mechanism Assembly Mode 4 13 2 Previous Preparation for Deck Adjustment 4 14 3 Torque Measuring 4 14 4 Adjustment of Guide Roller Hei...

Страница 70: ...A 5 T 17 19 Arm T up 1 hook A 5 T 20 Supporter capstan Chassis Hole A 6 B 17 18 21 Belt Capstan Motor Capstan 3 screws A 6 B 22 Lever F R Locking Tab A 6 B 21 22 23 Clutch Assembly D37 Washer A 6 B 24...

Страница 71: ...arate cable flat from the Drum FPC and the Capstan Motor 2 Release 3 screws S1 on the bottom side of the chassis and separate the drum assembly 3 Release the hooks H1 H2 and separate both the holder F...

Страница 72: ...SEMBLY OF DECK MECHANISM 4 3 B E C Plate Top Arm Assembly F L Gear Assembly Rack F L Opener Door Holder Assembly CST B H3 A B Lever Assembly S W H4 E Fig A 2 Fig A 2 1 Fig A 2 2 Fig A 2 5 Fig A 2 6 Fi...

Страница 73: ...Disassembly of Gear Assembly Rack F L Fig A 2 3 1 Separate the hook H3 while leaning ahead the hook 3 after moving the gear assembly rack F L toward the arrow A direction 2 Separate the gear assembly...

Страница 74: ...rm Assembly Cleaner Fig A 3 3 1 Separate the A part of Fig A 3 1 from the embossing of chassis and hold it up while turning it anti clockwise 11 Head F E Fig A 3 4 1 Separate the A part of the head F...

Страница 75: ...hile holding it upward 14 Arm Assembly Tension Fig A 4 2 1 Release the spring tension the hook H7 from the arm assembly tension 2 After releasing the hook H8 of the base tension sepa rate it while hol...

Страница 76: ...e 17 Opener Lid Fig A 5 2 1 Release the B part of the opener lid from the embossing of chassis 2 Disassemble the opener lid upward while turning it anti clockwise 18 Arm Assembly Pinch Fig A 5 3 1 Hol...

Страница 77: ...90 deg clockwise with a driver for disassembly 21 Belt Capstan Fig A 6 2 Motor Capstan Fig A 6 3 1 Separate the belt Capstan 2 Undo 3 screws S6 on the bottom side of chassis and dis assemble it upwar...

Страница 78: ...r Fig A 7 3 1 Release the hook H11 of the gear sector and then hold the gear sector upward 26 Brake Assembly Capstan Fig A 7 4 1 Release the locking tab L2 on the bottom side of the plate slider and t...

Страница 79: ...assem bly P2 and the P3 are adjusted straightly and then corre spond the gear section groove A to the plate slider hole B 32 Base Assembly P2 Fig A 8 3 Base Assembly P3 Fig A 8 4 1 Disassemble the ba...

Страница 80: ...se tension from the embossing of chassis 2 Hold the base tension upward while turning it anti clock wise 35 Arm assembly Idler Jog Fig A 9 2 1 Push both B C parts in Fig A 9 2 toward the arrow directi...

Страница 81: ...D00 D006 4 Torque gauge adaptor Part No D09 R001 5 Post height adjusting driver Part No DTL 0005 6 Type driver 5 2 Alignment tape Part No NTSC DTN 0001 PAL DTN 0002 3 Torque gauge 600g Cm ATG Part No...

Страница 82: ...frame and separate the deck assembly Check both the hole A of gear cam and the hole A of chassis correspond Fig C 1 5 Check the mode S W on the main P C board locates at a proper position as in B of t...

Страница 83: ...les on the housing rail part of chassis to prevent detection of the end sensor If doing so proceeding to the stop mode is done In this status input signals of all modes can be received However operati...

Страница 84: ...of oscilloscope to the RF envelope output point and the head switching output point 2 Tracking control playback Locate it at the center Set the RF output to the maximum value via the track ing contro...

Страница 85: ...he A C head If it is Turn and adjust the tilt adjusting screw to ensure that the tape corresponds to the bottom guide of the P4 and recheck the tape path after pro ceeding play for 4 5 seconds 3 Where...

Страница 86: ...n cutting off the REV mode CAUTIONS If the RF waveform is changed after adjusting the A C head perform fine adjustment to ensure the RF waveform is flat tened Adjustment Procedure 1 Connect the probe...

Страница 87: ...ELOPE OUTPUT POINT V2 V1 V1 V1 V MAX 0 7 V1 V MAX 0 8 RF ENVELOPE OUTPUT HEAD RF SWITCHING OUTPUT POINT OSCILLOSCOPE Connection Diagram Waveform CH 2 CH 1 Checking Procedure 1 Check that locking time...

Страница 88: ...VIEW Fig C 9 2 BOTTOM VIEW F E Head Video Head A C Head Pinch Roller Belt Capston Clutch Assembly A37 Fig C 9 3 Tape Transport System Pollution of Video Head or Tape Transport System Poor Sound Low S...

Страница 89: ...C 9 4 Firstly try to use a cleaning tape 1 Use a cleaning patch if foreign materials are not removed with the cleaning tape due to severe dirty of the head Soak the cleaning patch in alcohol and put...

Страница 90: ...Part PL 433 Yellow Gear Part PL 433 Yellow Boss Part Side Wall PL 433 Yellow Gear Part Side Application PL 433 Yellow Cam Part Side Application KG 684G Green Gear Sector Gear Cam Base Loading Gear Dri...

Страница 91: ...PROTECTION MAINTENANCE AND CHECK OF VIDEO FUNCTION 4 22 Lever F R Base Tension GEAR AY P2 P3 LEVER F R Clutch Contact Part PL 433 Yellow Tension Arm Party Hinge Part PL 433 Yellow BASE TENSION PL 433...

Страница 92: ...yscon checked NO YES YES YES YES NO NO 1 Deck Mechanism A NO NO NO No F R operates Is the current mode an F R mode Check the assembly position of the Mode S W Is normal voltage applied at the Vcc1 and...

Страница 93: ...the spring pinch Replace the drum motor Check the Servo Syscon Check the Syscon com No cassette loading is done Insert the cassette Check the holder assembly CST Does output of the CST IN S W change...

Страница 94: ...ck the Syscon circuit Check the Syscon circuit Check the Syscon circuit Does the Capstan motor turn Is the Vctl terminal voltage of the drum motor at more than 2 3V Replace the drum motor Is the Vcc v...

Страница 95: ...ly YES Is there short between the cassette switch terminal and the GND on the main P C B assembly Replace the main P C B assem bly or remove the short part NO Check the mode switch position and the Sy...

Страница 96: ...mbly F L Check power supply of the L D motor Check the assembly status of the holder assembly cassette Replace the gear rack F L Does the gear rack F L operate Does the opener door operate Does the ar...

Страница 97: ...4 28 EXPLODED VIEWS 100 A21 A23 A24 032 109 A22 054A 054 115 116 110 112 113 114 103 105 102 106 107 1 Front Loading Mechanism Section...

Страница 98: ...EXPLODED VIEWS 4 29 008 011 031 079 017 032 024 406 031 021 028 029 026 A03 027 022 003 004 006 007 014 015 009 409 013 016 012 OPTIONAL PART A01 405 2 Moving Mechanism Section 1...

Страница 99: ...EXPLODED VIEWS 4 30 052 517 061 056 518 052A 055 410 032 077 076 078 060 051 064 A11 A12 067 066 065 068 069 070 023 080 058 3 Moving Mechanism Section 2...

Страница 100: ......

Страница 101: ...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...

Страница 102: ...Up Down Belt Loading Gear Pulley Gear Loading Guide Up Down PWB Assembly Loading Base Main 2 Screws 2 Locking Tabs 4 Screws 1 Connector 1 Locking Tabs 1 Screw 1 Screw 1 Locking Tab 1 Locking Tab 1 Loc...

Страница 103: ...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...

Страница 104: ...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...

Страница 105: ...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...

Страница 106: ......

Страница 107: ...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...

Страница 108: ......

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