Philips DVP3350V Service Manual

Philips DVP3350V Service Manual

Vcr+dvd player
Hide thumbs Also See for DVP3350V:
Table of Contents

Advertisement

Quick Links

VCR+DVD PLAYER
Service
Service
Service
Service Manual
SECTION 1 SUMMARY
PRODUCT SAFETY SERVICING GUIDELINES FOR
VCR+DVD PRODUCTS
SERVICING PRECAUTIONS
INFORMATION ABOUT LEAD-FREE SOLDERING
SERVICE INFORMATION FOR EEPROM IC SETTING(VCR)
SERVICE INFORMATION FOR EEPROM (DVD)
SPECIFICATIONS
SECTION 2 CABINET & MAIN CHASSIS
1. CABINET AND MAIN FRAME SECTION
2. DECK MECHANISM SECTION [ DVD MD (DP-10C) ]
3. DECK MECHANISM SECTION [ VCR DECK D37(N) ]
1) FRONT LOADING MECHANISM SECTION
2) MOVING MECHANISM SECTION (1)
3) MOVING MECHANISM SECTION (2)
4. PACKING ACCESSORY SECTION
SECTION 3 ELECTRICAL
VCR PART
VCR ELECTRICAL ADJUSTMENT PROCEDURES
1. SERVO ADJUSTMENT
VCR ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER(SMPS) CIRCUIT
2. SYSTEM/KEY CIRCUIT
3. SERVO CIRCUIT
4. Y/C CIRCUIT
5. HI-FI CIRCUIT
6. TUNER/IF CIRCUIT
BLOCK DIAGRAMS
1. POWER(SMPS) BLOCK DIAGRAM
2. SYSTEM BLOCK DIAGRAM
3. AVCP BLOCK DIAGRAM
4. HI-FI BLOCK DIAGRAM
5. TUNER BLOCK DIAGRAM
CIRCUIT DIAGRAMS
1. POWER(SMPS) CIRCUIT DIAGRAM
2. SYSTEM CIRCUIT DIAGRAM
3. AVCP CIRCUIT DIAGRAM
4. HI-FI CIRCUIT DIAGRAM
This Service Manual is for DVP3350v First Generation models,
For First Generation Service models, The serial number begins with DE1Axxxxxxxxxx
Published by LG-KC 0511 AV System
1-1
5. TUNER CIRCUIT DIAGRAM
WAVEFORMS
CIRCUIT VOLTAGE CHART
IC BLOCK DIAGRAMS
1-3
1-4
PRINTED CIRCUIT BOARD DIAGRAMS
1-5
1. MAIN P.C.BOARD (TOP SIDE)
1-6
2. MAIN P.C.BOARD (BOTTOM SIDE)
1-7
3. POWER P.C.BOARD
1-8
4. KEY P.C.BOARD
2-1
DVD PART
DVD ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER CHECK FLOW
2-2
2. SYSTEM OPERATION FLOW
2-3
3. TEST & DEBUG FLOW
2-4
2-4
DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 3-67
2-5
1. SYSTEM 27MHZ CLOCK, RESET SIGNAL
2-6
2. SDRAM CLOCK
2-7
3. TRAY OPEN/CLOSE SIGNAL
4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION)
3-1
5. LENS CONTROL RELATED SIGNAL (NO DISC CONDITION)
6. LASER POWER CONTROL RELATED SIGNAL
(NO DISC CONDITION)
3-2
7. FOCUS ON WAVEFORM
3-2
8. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION)
9. TRACKING CONTROL RELATED SIGNAL
3-3
(SYSTEM CHECKING)
3-3
10. RF WAVEFORM
3-6
11. ZR36966 AUDIO OPTICAL AND COAXIAL OUTPUT (SPDIF)
3-7
12. ZR36966 VIDEO OUTPUT WAVEFORM
3-10
13. AUDIO OUTPUT FROM AUDIO PREAMP
3-14
3-17
BLOCK DIAGRAMS
1. SYSTEM BLOCK DIAGRAM
3-19
2. SERVO BLOCK DIAGRAM
3-19
3. AUDIO & VIDEO IN/OUT BLOCK DIAGRAM
3-21
3-23
CIRCUIT DIAGRAMS
3-25
1. MPEG CIRCUIT DIAGRAM
3-27
2. SERVO CIRCUIT DIAGRAM
3. JACK CIRCUIT DIAGRAM
3-29
IC BLOCK DIAGRAMS
3-29
3-31
SECTION 4 MECHANISM (D-37) OF VCR PART
3-33
SECTION 5 MECHANISM (DP-10C) OF DVD PART
3-35
Printed in the Netherlands
DVP3350V/01/02/05/19
Subject to modification
DVP3350V
3-37
3-39
3-41
3-47
3-51
3-51
3-53
3-55
3-57
3-59
3-59
3-60
3-61
3-67
3-68
3-68
3-70
3-70
3-71
3-71
3-72
3-73
3-74
3-74
3-75
3-76
3-77
3-77
3-78
3-79
3-81
3-81
3-83
3-85
3-87
4-1
5-1
GB 3139 785 30780

Advertisement

Table of Contents
loading

Summary of Contents for Philips DVP3350V

  • Page 1 SECTION 5 MECHANISM (DP-10C) OF DVD PART 4. HI-FI CIRCUIT DIAGRAM 3-35 This Service Manual is for DVP3350v First Generation models, For First Generation Service models, The serial number begins with DE1Axxxxxxxxxx Published by LG-KC 0511 AV System Printed in the Netherlands...
  • Page 2: Section 1 Summary

    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 .
  • Page 3: Table Of Contents

    SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VCR+DVD PRODUCTS ..1-3 SERVICING PRECAUTIONS ....................1-4 • General Servicing Precautions • Insulation Checking Prodedure • Electrostatically Sensitive Devices INFORMATION ABOUT LEAD-FREE SOLDERING ............1-5 SERVICE INFORMATION FOR EEPROM IC SETTING(VCR) ........
  • Page 4: Product Safety Servicing Guidelines For Vcr+Dvd Products

    PRODUCT SAFETY SERVICING GUIDELINES FOR VCR+DVD PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY, SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER- TURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY SONNEL COVER THE SUBJECT OF X-RADIATION.
  • Page 5: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION : Before servicing the VCR+DVD covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and addends, read and fol- Some semiconductor (solid state) devices can be damaged low the SAFETY PRECAUTIONS. NOTE : if unforeseen cir- easily by static electricity.
  • Page 6: Information About Lead-Free Soldering

    To avoid wear-out of tips switch off un-used equipment, or reduce heat. • Mix of lead-free solder alloy / parts with leaded solder alloy / parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types (leaded and lead-free).
  • Page 7: Service Information For Eeprom Ic Setting(Vcr)

    DATE : 02.17.05 Correction Ver. 2. EEPROM WRITED AND EEPROM INITIAL - Writes data on EEPROM by using REMOCON MODEL NAME BINARY "OK" + FRONT PLAY KEY FOR MORE THAN 5 DVP3350V/01 OPT0 00000000 SECONDS. OPT1 00000000 3. PG ADJUST OPT2...
  • Page 8: Service Information For Eeprom (Dvd)

    SERVICE INFORMATION FOR EEPROM (DVD) POWER ON DETECT NEW EEPROM (OPTION EDIT SCREEN) DVD LOGO Status (NO Disk status) MODEL DVP3350V/01 DVP3350V/02 DVP3350V/05 DVP3350V/19 NAME Remotecontrol OPT 1 Pause key-->1-->4-->7-->2 in order. OPT 2 OPT 3 OPT 4 OPT 5...
  • Page 9: Specifications

    SPECIFICATIONS • GENERAL Power requirements AC 220-230V, 50Hz Power consumption Dimensions (approx.) 430 x 78.5 x 265 mm (W x H x D) Mass (approx.) 4.06 kg Operating temperature 5˚C to 35˚C (41˚F to 95˚F) Operating humidity 5 % to 90 % Timer 24 hours display type RF Modulator...
  • Page 10: Section 2 Cabinet & Main Chassis

    SECTION 2 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS ........................2-2 1. Cabinet and Main Frame Section ...................2-2 2. Deck Mechanism Section [ DVD MD (DP-10C) ] ..............2-3 3. DECK Mechanism Section [ VCR DECK D37(N) ]..............2-4 1) Front Loading Mechanism Section ..................2-4 2) Moving Mechanism Section (1)..................2-5 3) Moving Mechanism Section (2)..................2-6 4.
  • Page 11: Exploded Views

    EXPLODED VIEWS 1. CABINET AND MAIN FRAME SECTION NOTES) THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE. OPTIONAL PART...
  • Page 12: Deck Mechanism Section [ Dvd Md (Dp-10C) ]

    2. DECK MECHANISM SECTION [ DVD MD (DP-10C) ] 015B 015A 012A 012A...
  • Page 13: Deck Mechanism Section [ Vcr Deck D37(N) ]

    3. DECK MECHANISM SECTION [ VCR DECK D37(N) ] 1) FRONT LOADING MECHANISM SECTION...
  • Page 14: Moving Mechanism Section (1)

    3. DECK MECHANISM SECTION [ VCR DECK D37(N) ] 2) MOVING MECHANISM SECTION (1)
  • Page 15: Moving Mechanism Section (2)

    3. DECK MECHANISM SECTION [ VCR DECK D37(N) ] 3) MOVING MECHANISM SECTION (2)
  • Page 16: Packing Accessory Section

    4. PACKING ACCESSORY SECTION 810 CABLE ASS'Y RF RF CABLE BATTERY REMOTE CONTROLLER ASSEMBLY INSTRUCTION ASSEMBLY PACKING, CASING PACKING, CASING...
  • Page 17: Electrical Section

    SECTION 3 ELECTRICAL CONTENTS VCR PART DVD PART ELECTRICAL TROUBLESHOOTING ELECTRICAL ADJUSTMENT GUIDE ..............3-63 PROCEDURES ..........3-2 1. POWER OPERATION FLOW......3-63 ELECTRICAL 2. SYSTEM TEST FLOW.........3-64 TROUBLESHOOTING GUIDE ......3-3 3. TEST & DEBUG FLOW.......3-65 1. POWER(SMPS) CIRCUIT ......3-3 DETAILS AND WAVEFORMS ON SYSTEM 2.
  • Page 18: Vcr Part

    VCR PART ELECTRICAL ADJUSTMENT PROCEDURES 1. SERVO ADJUSTMENT 1) PG Adjustment • Test Equipment a) OSCILLOSCOPE C) PAL MODEL : PAL SP TEST TAPE b) NTSC MODEL : NTSC SP TEST TAPE • Adjustment And Specification MODE MEASUREMENT POINT ADJUSTMENT POINT SPECIFICATION V.Out PLAY...
  • Page 19: Electrical Troubleshooting Guide

    ELECTRICAL TROUBLESHOOTING GUIDE 1. POWER(SMPS) CIRCUIT (1) No 5.3VA No 5.3VA Is the FR101 Replace the FR101 Normal? (Use the same ICW) Is the BD101 Replace the Normal? BD101 Is the R101 Replace the R101 Normal? Is Vcc (9V - 18V) sup- Is the D102 Check or Replace plied to IC101 Pin2?
  • Page 20 (2) No 5.0V_D (3) No 5.0V_T No 5.0V_D No 5.0V_T Is the Vcc(5.3V) sup- Is the Vcc(5.3V) sup- Check or Replace Check or Replace plied to Q165 Emittor? the D125 the D125 plied to Q163 Emittor? Is the Q162 Base Is the Q162 Base Check the PWR CTL Check the PWR CTL...
  • Page 21 (6) No Motor_Vcc (To Cap, Drum Motor ) (7) No REG 12V No Motor_Vcc No REG 12V Check or Replace Check or Replace Is the Vcc(14V) Is the Vcc(14V) supplied supplied to C134? to Q165 Collector? the D124 the D124 Is the Vcc(14V) sup- Check or Replace Check the PWR CTL...
  • Page 22: System/Key Circuit

    2. SYSTEM/KEY CIRCUIT (1) AUTO STOP Auto Stop Does the SW25 waveform Check the Drum Motor appear at the IC501 signal. Pin23? Do T/UP Reel Pulses Do the T-UP Reel Pulses Does 5.0V appear at the appear at the Q514 Base appear at the IC501 Pin3? RS501? terminal?
  • Page 23: Servo Circuit

    3. SERVO CIRCUIT (1) Unstable Video in PB MODE Unstable Video in PB Mode. Does the Noise level of the screen change periodically? Does the CFG waveform appear at the IC501 Pin67? On tracking do the CTL Replace the IC501. pulses move? Does the Video Envelope Refer to “When the Y signal...
  • Page 24 2. SERVO CIRCUIT (3) When the Capstan Motor doesn’t run, When the Capstan Motor doesn’t run, Refer to “SMPS(CAPSTAN/12Volt) Does 12VA appear at the PMC01? Trouble Shooting”. Does 2.8V appear at the PMC01? Check the PMC01 and the Capstan Does the PWM signal appear at the IC501 Pin33? Motor Ass’y.
  • Page 25 2. SERVO CIRCUIT (4) KEY doesn’t working KEY doesn’t working. Is 5V applied to the IC501 Refer to “SMPS 5.3VA Pin36? Trouble Shooting”. Does LED or FLD change Replace the defective when a function button is switches. pressed?
  • Page 26: Y/C Circuit

    4. Y/C CIRCUIT (1) No Video in EE Mode, No Video in EE Mode Does the Video signal Check the 19Pin of Tuner. appear at the IC301 Pin48? Is 5V applied to the IC301 Check the 5.0VT, 5.3VA Pins18, 24, 42, 55, 72, 91? Line.
  • Page 27 3. Y/C CIRCUIT (2) When the Y(Luminance) signal doesn’t appear on the screen in PB Mode, Is 5.0VT, 5.3VA applied to the Check the line of the 5.0VT, 5.3VA Line. (Power Circuit) IC301 Pins24, 42, 55, 72, 91? Is the I C Bus siganl applied Refer to ‘SYSTEM I C BUS...
  • Page 28 3. Y/C CIRCUIT (3) When the C(Color) signal doesn’t appear on the screen in PB Mode, Is 5.0VT/5.3VA applied to the Check the line of the 5.0VT/ 5.3VA Line. (Power Circuit) IC301 Pins24, 42, 55, 72, 91. Is the Color Rotary signal Check the Color Rotary applied to the IC301 Circuit.
  • Page 29 3. Y/C CIRCUIT (4) When the Video signal doesn’t appear on the screen in REC Mode, Is the EE signal normal? Check EE Mode. Is 5.0VT/5.3VA applied to the Check the line of the 5.0VT/ IC301 Pins24,42,55,72,91? 5.3VA Line.(Power Circuit) Does PB Mdoe operate Check PB Mode.
  • Page 30: Hi-Fi Circuit

    5. Hi-Fi CIRCUIT (A) No Sound(EE Mode) No Sound. Check the TU Audio of IC801 Check the IC751 Pins30, 31. Pins2, 3. Check the DVD Audio of IC801 Check the DVD Audio OUT. (JK902 DVD_A_L_L/R). Pins4, 5. Check the AV1 Audio of IC801 Check the Scart1 Jack.
  • Page 31 3. Y/C CIRCUIT (B) Hi-Fi Playback PB mode No Sound. Check the Vcc of IC801 Check Power 5.0V, 12VT. (Pins34, 40) Check the Hi-Fi Selection switch. Check IC501 Pin26 (A.H/SW) (IC801 Pin41) and the Tape quality. Is the RF Envelope at IC801 Pin44 over 2Vp-p? Check IC801 Pin42(Data), Check the parts of μ-COM...
  • Page 32 Hi-Fi REC. It can’t be recorded Hi-Fi Audio signal. Check Vcc of IC801.(Pins34, 40) Check Power 5V, 12V. Check ports of μ-COM. Check IC801 Pin42(Data), Pin43(CLOCK). (IC501 pins 17, 18) Check Audio input signal of IC801 Do Audio signals appear at IC801 Pins2, 3(TU.A.), 4, 5(DVD.A.), Pins16, 17? 6, 7(AVI.A.), 8, 9(AV2.A.), 10, 11(AV3.A.).
  • Page 33: Tuner/If Circuit

    6. TUNER/IF CIRCUIT (A) No Picture on the TV screen No picture on the TV screen Does the Video signal at Is 33VT applied to TU701 Check 33V line. the TU701 Pin19. Pin17? Is 5VT applied to TU701 Check 5V line. Pin4? Does the Clock signal Check the lIC Clock Signal...
  • Page 34 (B) No Sound No Sound. Check the Vcc of IC751 Pins1, 11, 19, Check 5.0V Line. 22, 33. Check the Tuner SiF signal at IC751 Check the Tuner SIF of TU701 Pin22. Pin2. Check the oscillator of IC751 Pins5, 6. Replace X751 Check the IIC Clock and Data at IC751 Check the Audio of IC751 Pins30, 31.
  • Page 58: Dvd Part

    DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 1. POWER CHECK FLOW No 5V No 3.4VA. Is 3.4VA section working? Is 3.4VA section working? Is 5.6V present at collector Is 3.4V present at emitter No 3.4VA of Q126? of Q121? Replace Q126. Check FR101 Replace Q121.
  • Page 59: System Operation Flow

    2. SYSTEM OPERATION FLOW Power On 1. 186 CPU initializes SERVO,DSP & RISC registers 2. Write RISC code to SDRAM 3. Reset RISC Show LOGO Tray Closed ? Tray Close to Closed position SLED at Inner Side ? SLED Moves to Inner Position 1.
  • Page 60: Test & Debug Flow

    3. Test & debug flow TEST Check the AC Voltage Replace power PCBA or AC transformer. Power PCBA(110V or 220V) Switch on the Power PCBA Is the DC Voltage outputs OK? Repair or Replace Power PCBA (5V, 3.3V, 12V, 5.6V MOTOR) Make sure the main PCBA don't short on VCCs and switch it on.
  • Page 61 RESET or Power On. Check connection lines between Flash Memory operates Show LOGO? FLASH & ZR36882 and the FLASH properly? access time whether is suitable or not. Check connection lines SDRAM works properly? between SDRAM & ZR36882 and the SDRAM is damaged. ZR36882 VIDEO outputs Check the related circuit of properly?
  • Page 62 Does the SLED move to Motor Driver MUTE Pin is Check the connection line of inner side when it is at outter High? MUTE signal. position? Is SLED_S DC Level higher Check the related circuit of than 1.65V? FMSO. SLED+ and SLED- output Check the amp circuit on properly? motor driver.
  • Page 63 Check the laser power circuit Laser turns on when LD_DVD or LD_CD on ZR36882 and connecting reading disc? output properly? to power transistor. Collector voltage of power Check the related circuit on transistor is OK? laser power transistor Check cable connection between transistor ouput and pick-up head.
  • Page 64: Waveforms

    Proper signals on A,B,C,D Check connections between Focus ON OK? of ZR36882 ZR36882 and pick-up head. Check the FOCUS_S Check FE signal on connection on ZR36882 ZR36882 and motor driver. Check FOCUS_S signal on ZR36882 Normal TE Signal on Check the related Track On OK? ZR36882? circuit on ZR36882...
  • Page 65 Normal Audio output Audio DAC received Check connection between when disc playback? correct data stream? ZR36882 & Audio DAC. Check the related circuit of Normal Audio DAC out? Audio DAC. Check Audio filter, amplify, mute circuit. Communications between Normal IR.VFD & Front Check communication lines IR.VFD Front panel key &...
  • Page 66: Details And Waveforms On System Test And Debugging

    DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1. SYSTEM 27MHz CLOCK, RESET SIGNAL 1) ZR36882 main clock is at 27MH(X601) 3.1V,27MHz FIG 1-1 2) ZR36882 reset is low active 3.3VA PWR_CTL RESET Reset Time FIG 1-2 3-71...
  • Page 67: Sdram Clock

    2. SDRAM CLOCK 1) SDRAM clock is at 143MHz CLK=143MHz,Vp-p=3.3V IC603 PIN38 FIG 2-1 3. TRAY OPEN/CLOSE SIGNAL 1) Tray open/close waveform OPEN CLOSE OPEN CLOSE FIG 3-1 3-72...
  • Page 68 2) Tray open waveform OPEN CLOSE FIG 3-2 3) Tray close waveform OPEN CLOSE FIG 3-3 3-73...
  • Page 69: Sled Control Related Signal(No Disc Condition)

    4. SLED CONTROL RELATED SIGNAL(NO DISC CONDITION) SLED_S DRVSB SLED+ SLED- FIG 4-1 5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION) FOCUS_S FOCUS+ FOCUS- FIG 5-1 3-74...
  • Page 70: Laser Power Control Related Signal(No Disc Condition)

    6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V VR_CD DVD_LD CD_LD FIG 6-1 7. DISC TYPE JUDGEMENT WAVEFORM FACT+ SBAD FIG 7-1(DVD) 3-75...
  • Page 71 FACT+ SBAD FIG 7-2 (DVD) FACT+ SBAD FIG 7-3 (CD) 3-76...
  • Page 72: Focus On Waveform

    FACT+ SBAD FIG 7-4 (CD) 8. FOCUS ON WAVEFORM FOSO FACT+ FACT- FIG 8-1 (DVD) 3-77...
  • Page 73: Spindle Control Waveform(No Disc Condition)

    FOCUS FACT+ FACT- FIG 8-2 (CD) 9. SPINDLE CONTROL WAVEFORM(NO DISC CONDITION) SPINDLE_S (DVD) FIG 9-1 3-78...
  • Page 74: Tracking Control Related Signal(System Checking)

    10. TRACKING CONTROL RELATED SIGNAL(System checking) TRACK_S TACT+ TACT- FIG 10-1 (DVD) TRACK_S TACT+ TACT- FIG 10-2 (CD) 3-79...
  • Page 75: Zr36882 Audio Optical And Coaxial Output(Spdif)

    11. RF WAVEFORM FIG 11-1 12. ZR36882 AUDIO OPTICAL AND COAXIAL OUTPUT(SPDIF) SPDIF FIG 12-1 3-80...
  • Page 76: Zr36882 Video Output Waveform

    13. ZR36882 VIDEO OUTPUT WAVEFORM 1) Full colorbar signal(CVBS) JK702 pin6 FIG 13-1 2) Y JK702 pin7 FIG 13-2 3-81...
  • Page 77: Audio Output From Audio Dac

    3) C JK702 PIN8 FIG 13-3 14. AUDIO OUTPUT FROM AUDIO DAC 1) AUDIO L/R 1KHz 0DB JK702 PIN4,5 FIG 14-1 3-82...
  • Page 78 2) Audio Related Signal AOUT0 ABCK ALRCLK FIG 14-2 3-83...
  • Page 79: Block Diagrams

    BLOCK DIAGRAMS 1. SYSTEM BLOCK DIAGRAM RAMDQM RAMDAT[00:15] FACT+/-,TACTT +/- MOT_SPDL +/- SLED+,SLED-- LOAD+/- DECK MECHANISM 3-84...
  • Page 80: Servo Block Diagram

    2. SERVO BLOCK DIAGRAM 3-85...
  • Page 81: Audio & Video In/Out Block Diagram

    3. AUDIO & VIDEO IN/OUT BLOCK DIAGRAM 3-86...
  • Page 86: Troubleshooting Guide

    SECTION 4 MECHANISM OF VCR PART(D-37) CONTENTS POSITION DRAWING OF DECK DECK MECHANISM ADJUSTMENT MECHANISM PARTS • Fixtures and tools for service ....4-12 1. Mechanism Assembly Mode Check ..4-13 • Top View............4-1 2. Previous Preparation for • Bottom View ..........4-1 Deck Adjustment ........4-14 3.
  • Page 87: Top View

    POSITION DRAWING OF DECK MECHANISM PARTS • Top View Order Of Dis- Ref. Posi assembled Part Fixing Type Draw- tion Parts firstly ings Disassembled 1 Drum Assembly 3 screws 2 Plate Top 2 hooks 3 Holder Assembly CST 6 chasses 4 Gear Assembly Rack F/L 1 hook 2,3,4...
  • Page 88 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Drum Assembly Cable Flat (S1) (S1) (S1) Cap, FPC Holder FPC Fig. A-1 Cautions in assembly of FPC 1. Disassembly of Drum Assembly (Figure A-1) 1) Separate cable flat from the Drum FPC and the Capstan Motor.
  • Page 89 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Plate Top (Fig. A-2-1) (B') Holder Assembly CST (Fig. A-2-2) Arm Assembly F/L (Fig. A-2-5) Lever Assembly S/W (Fig. A-2-6) (H4) Opener Door (Fig. A-2-4) (H3) Gear Assembly Rack F/L (Fig. A-2-3) Fig. A-2...
  • Page 90: Disassembly Of Gear Assembly

    DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM 2. Disassembly of Plate Top (Fig. A-2-1) 4. Disassembly of Gear Assembly Rack F/L (Fig. A-2-3) 1) Separate the right part while leaning back the (B) part of 1) Separate the hook (H3) while leaning ahead the hook (3) the plate top toward the arrow direction.
  • Page 91 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Arm Assembly Cleaner (Fig. A-3-3) (H5) Gear Wheel (Fig. A-3-2) Base Assembly A/C Head Motor Assembly L/D (S5) (Fig. A-3-5) (Fig. A-3-1) Head F/E (C1) (Fig. A-3-4) (S4) Fig. A-3 8. Motor Assembly L/D (Fig. A-3-1) 10.
  • Page 92 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Arm Assembly Tension (Fig. A-4-2) (H7) Reel T (Fig. A-4-3) Reel S (Fig. A-4-3) Spring Tension Brake Assembly T Spring Tension (Fig. A-4-1) (H8) (H6) Fig. A-4 13. Brake Assembly T (Fig. A-4-1) 15. Reel S/Reel T (Fig. A-4-3) 1) Release the spring tension from the lever spring hook 1) Disassemble the reel S/ reel T while holding it up (com- (H6).
  • Page 93 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Opener Lid (Fig. A-5-2) Arm Assembly Pinch (Fig. A-5-3) Base Assembly P4 (Fig. A-5-1) (H9) Arm T/up (Fig. A-5-4) Chassis Fig. A-5 16. Base Assembly P4 (Fig. A-5-1) 18. Arm Assembly Pinch (Fig. A-5-3) 1) Release the (A) part of the base assembly P4 from the 1) Hold the arm assembly pinch up.
  • Page 94 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Suppoter Capstan (Fig. A-6-1) Belt Capstan (Fig. A-6-2) Motor Capstan (Fig. A-6-3) Washer(W1) Clutch Assembly D37 (Fig. A-6-5) (L1) (L1) Lever F/R (Fig. A-6-4) Chassis (S6) Fig. A-6 20. Supporter, Capstan (Fig. A-6-1) 22. Lever F/R (Fig. A-6-4) 1) Turn the supporter and Capstan by 90 deg.
  • Page 95 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM (H10) (H11) Gear Sector Gear Cam (Fig. A-7-3) (Fig. A-7-2) (W2) Washer (W2) Brake Assembly Capstan Gear Cam Hole(B) (Fig. A-7-4) Plate Slider (L2) Gear Drive (Fig. A-7-5) (Fig. A-7-1) Gear Drive Hole(A) Lever Tension (Fig.
  • Page 96 DECK MECHANISM DISASSEMBLY Gear assembly P2 Hole Gear assembly P3 Hole Gear Assembly P3 (Fig. A-8-2) Gear Assembly P2 (Fig. A-8-1) (H13) (H12) Lever Tension Boss Plate slider Hole(B) (H14) Base Loading (Fig. A-8-5) Chassis Base Assembly P3 (Fig. A-8-4) Base Assembly P2 (Fig.
  • Page 97 DISASSEMBLY AND ASSEMBLY OF DECK MECHANISM Base Tension (Fig. A-9-1) Arm Assembly Idler Jog (Fig. A-9-2) Chassis Fig. A-9 34. Base Tension (Fig. A-9-1) 35. Arm assembly Idler Jog (Fig. A-9-2) 1) Release the (A) part of the base tension from the 1) Push both (B), (C) parts in Fig.
  • Page 98: Deck Mechanism Adjustment

    DECK MECHANISM ADJUSTMENT • Fixtures and Tools for Service 1. Cassette Torque Meter 2. Alignment tape 3. Torque gauge SRK-VHT-303(Not SVC part) Part No NTSC:DTN-0001 600g.Cm ATG Part No:D00-D006 PAL:DTN-0002 Part No:D00-D002 4. Torque gauge adaptor 5. Post height adjusting driver 6.
  • Page 99: Mechanism Assembly Mode Check

    DECK MECHANISM ADJUSTMENT 1. Mechanism Assembly Mode Check Purpose of adjustment : To make tools normally operate by positioning tools accurately. Fixtures and tools used VCR (VCP) status Checking Position • Eject Mode • Blank Tape (empty tape) • Mechanism and Mode Switch (with cassette withdrawn) 1) Turn the VCR on and take the tape out by pressing the 4) Undo the screw fixing the deck and the main frame, and...
  • Page 100: Torque Measuring

    DECK MECHANISM ADJUSTMENT 2. Previous Preparation for Deck Adjustment (Preparation to load the VCR (VCP) with cassette tape not inserted) 1) Take the power cord from the consent. If doing so, proceeding to the stop mode is done. In this 2) Separate the top cover and the plate assembly top.
  • Page 101: Guide Roller Height Adjustment

    DECK MECHANISM ADJUSTMENT 4. Guide Roller Height Adjustment Purpose of adjustment : To ensure that the bottom surface of the tape can travel along with the tape lead line of the lower drum by constantly and adjusting and maintaining the height of the tape. 4-1.
  • Page 102: Audio/Control (A/C) Head Adjustment

    DECK MECHANISM ADJUSTMENT 5. Audio/Control (A/C) Head Adjustment Purpose of adjustment : To ensure that audio and control signals can be recorded and played according to the contract tract by constantly maintaining distance between tape and head, and tape tension between the P3 post and the P4 post.
  • Page 103: X-Distance Adjustment

    DECK MECHANISM ADJUSTMENT 5-2. Tape Path Check between Pinch Roller and travel it stably to ensure there is no crumbling or fold- ing of the tape. Take up Guide (Check in the Rev Mode) 1) Check the tape pass status between the pinch roller and 2) Check there is folding of the tape at the bottom or top the take-up guide.(Check there is crumpling of the tape of the take-up guide in cutting-off the REV mode...
  • Page 104 DECK MECHANISM ADJUSTMENT 7. Adjustment after Drum Assembly (Video Heads) Purpose of adjustment : To adjust and stabilize the height change, X-distance change, etc depending on the guide roller after assembling the drum. Fixtures and tools used Connection position VCR (VCP) status Adjustment position •...
  • Page 105 PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION 1. Checking Points prior to Repair Following abnormal phenomena may be repaired by removal of foreign materials and oil supply. Check oiling is required at the checking set or cleaning status is complete. Determine that necessity of checking and repair the set exists after checking the using period of the set together with the user.
  • Page 106: Essential Check And Repair

    PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION 2. Essential Check and Repair 4. Tools for Check and Repair Recording density of the video is far higher than the audio. (1) Grease: Floil G-3114 (KANTO) or equivalent grease Therefore video parts are very precise so as to allow only (Green) error of 1/1000mm or so in order to maintain compatibility (2) Grease: Kanto G-754, PL-433 (Yellow)
  • Page 107: Plate Slider

    PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION 5-2) Grease Applications (2) Regular Grease Application Apply grease to the designated application position (1) Grease Application Method every 500 hour. Apply grease by using a cloth swab or brush. Care must be exercised so that excess quantity should not be used.
  • Page 108 PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION Lever, F/R, Base, Tension GEAR AY, P2 & P3 PL-433 LEVER, F/R BASE, TENSION Clutch Contact Part (PL-433, Yellow) Tension Arm Party Hinge Part (PL-433, Yellow) 4-22...
  • Page 109: Deck Mechanism

    MECHANISM TROUBLESHOOTING GUIDE 1.Deck Mechanism No Auto Rewind operates. Is output of the end sensor “H”? “H”: 3.5V or less “L”: 0.7V –1V or less Is the end sensor Vcc applied at Check the Syscon power supply. Replace the end sensor. Is voltage at both ends of the Replace the LED.
  • Page 110 MECHANISM TROUBLESHOOTING GUIDE Auto Stop operates. (PLAY/CUE/REV) Check the assembly mode. Check the spring pinch. Does the pinch roller attached to the Capstan shaft turn in opera- Is output of the DFG, DPG Replace the drum motor. tion of the Play/Cue/Rev. normal? Does the T/UP or the supply Check the Servo, Syscon.
  • Page 111 MECHANISM TROUBLESHOOTING GUIDE No tape winding is done in play. Is the pinch roller attached to the Check the assembly mode? Capstan shaft in operation of play? Does the T/up reel operate? Is the Capstan belt hung? Hang the Capstan belt. Check the clutch and the idler Does the Capstan motor turn? assembly.
  • Page 112: Front Loading Mechanism

    MECHANISM TROUBLESHOOTING GUIDE 2. Front Loading Mechanism No cassette insert is done. Does the lever assembly Is the lever assembly switch Add or replace the lever switch operate? spring normal? assembly switches spring. Does the CST IN switch Replace the F/L switch. operate normally? Is the Vcc of the main P.C.B assembly?
  • Page 113 MECHANISM TROUBLESHOOTING GUIDE No safe adherence of tape is done. Is cassette insert done? Does the opener lid operate? Replace the opener lid. Does the gear rack F/L operate? Replace the gear rack F/L. Does the opener door operate? Check the assembly status of the Does the arm assembly F/L operate? opener door.
  • Page 114 EXPLODED VIEWS 1. Front Loading Mechanism Section 4-28...
  • Page 115 EXPLODED VIEWS 2. Moving Mechanism Section (1) 4-29...
  • Page 116 EXPLODED VIEWS 3. Moving Mechanism Section (2) 4-30...
  • Page 118 SECTION 5 MECHANISM OF DVD PART (DP-10C) CONTENTS 5. Frame Assembly Up/Down ....5-4 DECK MECHANISM PARTS 6. Belt Loading........5-4 LOCATIONS 7. Gear Pulley ........5-4 8. Gear Loading ........5-4 • Top View..........5-1 9. Guide Up/Down.........5-4 • Top View(without Tray Disc) ....5-1 •...
  • Page 119 DECK MECHANISM PARTS LOCATION • Top View (With Tray) Procedure Disass Fig- Parts Fixing Type embly Starting No. Main Base Clamp Assembly Disc 1, 2 Plate Clamp 1, 2, 3 Magnet Clamp 1, 2, 3, 4 Clamp Upper Tray Disc 1, 6 Base Assembly Sled 1, 2, 6...
  • Page 120 DECK MECHANISM DISASSEMBLY MAIN BASE DISC CLAMP ASSEMBLY PLATE CLAMP TRAY DISC MAGNET CLAMP CLAMP UPPER (Fig. A) HOLDER BASE MAIN BASE MAIN LEVER BASE MAIN BOTTOM SIDE VIEW Fig. 5-1 Fig. 5-2 1.Main Base (Fig. 5-1) 2. Tray Disc (Fig. 5-2) 1-1.
  • Page 121 DECK MECHANISM DISASSEMBLY SCREW INSERTION TORGUE CONTROL (800gf DOWN) PINION GEAR (S3) RUBBER DAMPER Distinguish upper and lower sides (Assemble with care) MIDDLE GEAR GEAR RACK RUBBER DAMPER Distinguish upper and lower sides (Assemble with care) RUBBER DAMPER BASE PU (S2) (S2) RUBBER DAMPER...
  • Page 122 DECK MECHANISM DISASSEMBLY GUIDE UP/DOWN GEAR LOADING (L3) (L6) GEAR PULLEY (L6) SCREW INSERTION TORGUE CONTROL (800gf DOWN) (L4) BASE MAIN BELT LOADING (H1) (C2) PWB ASSEMBLY LOADING (S5) (S4) BASE MAIN UP/DOWN FRAME ASSEMBLY (L5) GUIDE UP/DOWN FIG. (A) FIG.
  • Page 126 SECTION 6. PARTS LIST MODEL : DVP3350V/01,02,05,19 NSP : Non SVC Parts RUN DATE : 29-January-2008 S AL LOCA. NO. 12NC DESCRIPTION SPECIFICATION REMARKS SVC PARTS SECTION 996510009973 Power Cord Assembly MP5004A+H03VVH2-F 2X0.75MM2 NM ONLY 05 996510009971 Power Cord Assembly HIT-101/H03VVH2-F/2X0.75MM2/70...

This manual is also suitable for:

Dvp3350v/01Dvp3350v/02Dvp3350v/05Dvp3350v/19

Table of Contents