Page 1 For U.S.A. & Canada model Digital Player SERVICE MANUAL DVM-4800 MODEL DVD VIDEO AUTO CHANGER Some illustrations using in this service manual are slightly different from the actual set. 14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPAN Telephone: 03 (3584) 8111...
Page 2: Specifications
DVM-4800 SPECIFICATIONS Signal system: NTSC Applicable discs: (1) DVD-video/audio discs 1-layer 12 cm single-sided discs, 2-layer 12 cm single-sided discs, 2-layer 12 cm double-sided discs (1 layer per side) 1-layer 8 cm single-sided discs, 2-layer 8 cm single-sided discs, 2-layer 8 cm double-sided discs (1 layer per side)
Page 3 DVM-4800...
Page 4: Countermeasures Against Electrostatic Discharge (Esd)
DVM-4800 COUNTERMEASURES AGAINST ELECTROSTATIC DISCHARGE (ESD) The laser diode in the traverse unit (laser pickup) may be damaged by static electricity charged in your cloth or body. Be careful not to damage it by ESD when handling for servicing. 1.1 Grounding for Electrostatic Breakdown Prevention Components using an optical pickup (laser diode) such as DVD players etc.
Page 5: Optical Pickup Self-Diagnosis And Replacement Procedure
DVM-4800 OPTICAL PICKUP SELF-DIAGNOSIS AND REPLACEMENT PROCEDURE 2.1 Self-diagnosis The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use the following procedure for effective Self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing the optical pickup when "NO DISC"...
Page 6 DVM-4800 2.2 Cautions to Be Used Before Replacing the Optical Pickup Unit and Spindle Motor Assembly Before replacing the optical pickup unit and spindle motor assembly, check the total using hours for each of them. The checking method is as follow: Operating state &...
Page 7: Self-Diagnosis Function And Service Modes
DVM-4800 SELF-DIAGNOSIS FUNCTION AND SERVICE MODES 3.1 Self-diagnosis Function and Service Modes Improving the self-diagnosis function The self-diagnosis function in our DVD player currently in use is improved as follows: Our DVD player currently Our new DVD in use UHF error display...
Page 8: Service Mode Table
DVM-4800 3.2 Service mode table Pressing various button combinations on the player and remote control unit can activate the service modes. Player mode and Cancellation Item Function Display button combination method Jitter check In PLAY mode, press Jitter check J_xxx_yyy_zz Press STOP PAUSE and OPEN buttons Jitter rate is measured and displayed.
Page 9 DVM-4800 Player mode and Cancellation Item Function Display button combination method CD laser drive In STOP mode, press CD laser drive current measurement LDC_028_026 current PAUSE and FWD-SKIP CD laser drive current is measured Measured current measurement buttons on the player, and and the result is displayed together...
Page 10 DVM-4800 3.3 Servo Process Flow Range of the Processing items servo process Starting flow numbers Number Contents of each process Specification of the servo process START display in the starting flow Initial setting Each initial setting Tray control TRV initial movement...
Page 11: Servo Process Display Mode
DVM-4800 3.4 Servo Process Display Mode In starting operation of the player, a number is allotted to each servo process so that the operation of each step can be seen. The relation between the process and the displayed number are as follows:...
Page 12: Sales Demonstration Lock Function
DVM-4800 3.6 Sales demonstration lock function This function prevents discs from being lost when the unit is used for sales demonstrations by disabling the disc eject function. "LOCKED" is displayed on the unit, and ordinary operation is disabled. Setting The sales demonstration lock is set by simultaneously pressing STOP button on the player and POWER button on the remote control unit.
Page 13: Top Cover
DVM-4800 DISASSEMBLY (Follow the procedure below in reverse order when reassembling) 4.1 Top Cover Top Cover Remove 4 screws on both sides and 3 screws on the rear, then detach the Top Cover as shown to the arrow direction. 4.2 Front Panel...
Page 14 DVM-4800 4.4 Loader Frame Ass'y Remove 2 screws to detach 2 Side Plates, then pull out the Loader Frame in the arrow direction. Note: Draw out the Loader Frame 1 ~ 2 cm and turn the power off, before performing this step.
Page 15: Adjustment Procedures
DVM-4800 ADJUSTMENT PROCEDURES 5.1. Service Tools and Equipment Application Name Number Tilt adjustment DVD test disc DVDT-S15 or DVDT-S01 Hex wrench Inspection Extension cable (module P.W.B. to mother P.W.B.) JGS0098 Extension cable (module P.W.B. to mother P.W.B.) VUC8026 Extension cable (module P.W.B. to mother P.W.B.) RFKZ0097 Extension cable (module P.W.B.
Page 16: Optical Adjustment
DVM-4800 5.4. Optical adjustment 5.4.1. Optical pickup tilt adjustment Measurement point Adjustment point Mode Disc Tangential adjustment screw T01 (inner periphery) play DVDR-S15 or DVDT-S01 Tilt adjustment screw T43 (outer periphery) play Measuring equipment Adjustment value None (Main unit display for servicing is used.) Adjust to the minimum jitter value.
Page 17: Electrical Adjustment
DVM-4800 5.5. Electrical Adjustment Do this confirmation after replacing a P.W.B. 5.5.1. Video Output (Luminance Signal) 5.5.2. Video Output (Chrominance Adjustment Signal) Adjustment Measurement Adjustment Measurement Adjustment Mode Disc Mode Disc Point Point Point Point Video Output VR3225 Playback DVDT-S20...
Page 18 DVM-4800 5.5.3. Video Output (CB Signal) 5.5.4. Progressive Video Output Adjustment (Y Signal) Adjustment Measurement Adjustment Measurement Adjustment Mode Disc Mode Disc Point Point Point Point CB Output Pin VR3201 Playback DVDT-S20 Progressive VR3771 Playback DVDT-S20 Terminal (Color Bar) (title 9)
Page 19 DVM-4800 5.5.5. Progressive Video Output (PB Signal) Adjustment 3. Adjust the VR3751 so that the PB signal output is as shown Measurement Adjustment Mode Disc Point Point below. Progressive VR3751 Playback DVDT-S20 Terminal (Color Bar) (title 9) Measuring Device Adjustment Value 525 ±...
Page 20 DVM-4800 ABBREVIATIONS MOVING PICTURE EXPERTS GROUP...
Page 21 DVM-4800...
Page 22: Voltage Chart
DVM-4800 VOLTAGE CHART Main P.W.B. Ref No. IC2001 MODE STOP PLAY IC2001 Ref No. MODE STOP PLAY IC2001 Ref No. MODE STOP PLAY Ref No. IC2001 MODE STOP PLAY IC2001 Ref No. MODE STOP PLAY IC2001 Ref No. MODE STOP PLAY Ref No.
Page 23 DVM-4800 IC3001 Ref No. MODE STOP PLAY Ref No. IC3001 MODE STOP PLAY IC3001 Ref No. MODE STOP PLAY IC3001 Ref No. MODE STOP PLAY Ref No. IC3001 MODE STOP PLAY Ref No. IC3001 MODE STOP PLAY IC3001 Ref No.
Page 24 DVM-4800 IC3701 Ref No. MODE STOP PLAY Ref No. IC3701 MODE STOP PLAY IC3701 Ref No. MODE STOP PLAY IC3701 Ref No. MODE STOP PLAY Ref No. IC3701 MODE STOP PLAY Ref No. IC3701 MODE STOP PLAY IC3701 Ref No.
Page 25 DVM-4800 IC4231 Ref No. MODE STOP PLAY Ref No. IC4231 MODE STOP PLAY Ref No. IC4241 MODE STOP PLAY IC4241 Ref No. MODE STOP PLAY Ref No. IC4261 MODE STOP PLAY Ref No. IC5201 MODE STOP PLAY Ref No. IC5201...
Page 26 DVM-4800 Ref No. IC6501 IC6511 IC6521 MODE STOP PLAY IC6531 IC6541 Ref No. MODE STOP PLAY Ref No. IC6551 IC6561 MODE STOP PLAY Ref No. IC6571 IC6581 IC6591 MODE STOP PLAY IC6801 Ref No. MODE STOP PLAY IC6801 Ref No.
Page 27 DVM-4800 SEMICONDUCTORS IC's MN101C35DCA (IC601) MN101C35DCA Terminal Function Pin Name Symbol Function ST-BY LED ST-BY LED R-SPEED Roulette rotation slow down, H: Down FL DRIVE FL light off, L: Off Serial output STATUS Serial input DSPCLK Serial clock AUDIO ONLY LED Audio Only LED ...
Page 28 DVM-4800 Pin Name Symbol Function I2C SCL D.F.2.I D.F.2 detect DEEMPH Emphasis control RSTN Reset output for D.F.1, L: Reset CKDV1 Master clock switching sig.1 CKDV2 Master clock switching sig.2 FL-DGT FL-DGT FL-DGT FL-DGT FL-DGT FL-DGT FL-DGT FL-DGT FL-DGT FL-DGT...
Page 29 DVM-4800 PMD200 (IC101) MODD GNDG MODB MODA WCKO GNDA LRCI VCCA BCKO BCKI VCCS GNDS GNDG VCCLQ VCCLQ GNDQ GNDQ GNDA SMUTE VCCA DOUT/DOL VCCHQ VCCHQ HMUTE SPI/I2C DEEMP GNDA VCCS VCCA GNDS SS/HA2 MOSI/HA0 MISO/SDA LRCI 2xFs Attenuator Deemphasls...
Page 30 DVM-4800 DXP7001AF (IC201) DXP7001AF Terminal Function Pin Name Description Pin Name Description − P24L − /Lambda-processor Lch 24 Microcomputer Interface Data bit Output *1, *2 − P23L − /Lambda-processor Lch 23 Microcomputer Interface Clock bit Output *1, *2 − P22L −...
Page 31: Top View
DVM-4800 PCM1704U (IC301, 302) Pin No. Pin Name Description DATA Serial Audio Input BCLK Bit Clock Input for Serial Audio Data Input NC (1) Digital Power Supply -5V DGND Digital GND Digital Power Supply +5V WCLK Data Latch Accept Input...
Page 32 DVM-4800 NJM2229S (IC504) Sync Sepa Vsync Sepa Phase 32fH Sync Det 1/32 STR-L422 (IC901) FRONT SIDE UVLO Latch Delay Internal Bias PWM Latch Drive INH Comp. INH Latch OCP Comp. OCP/FB Icon1 7,10 ML6426 (IC502) TOP VIEW A/B MUX SYNC IN...
Page 33 DVM-4800 SN74LV157APW (IC219) SN74LV74ANS (IC215, IC217) SN74LV32ANS (IC207) SELECT STROBE INPUTS INPUTS OUTPUT OUTPUT INPUTS INPUTS OUTPUT OUTPUT SN74LV164ANS (IC205, 214, 218) SN74LV86ANS (IC206) 74VHC123AMTCX (IC503) 1Rex/Cext 1CLR 1Cext 2Cex1 2CLR 2Rext/Cext Clear Clock TC74HCT7007AF (IC103, 202, 203) TC74HCU04AF (IC210, 251)
Page 34: Remote Control Sensor
DVM-4800 SE005N (IC903) PQ070VK01FZ (IC906) PST600C (IC603) Vout FRONT FRONT FRONT VIEW VIEW VIEW NJM7805FA (IC801) NJM7905FA (IC802) NJM7809FA (IC904, 908) NJM7909FA (IC905) BA033T (IC907) FRONT FRONT VIEW VIEW OPTICAL IC PROTECTOR REMOTE CONTROL SENSOR GP1F38T2 (JK201) ICP-N25 (IC909, 910)
Page 35 DVM-4800 TRANSISTORS 2SC2412K DTC114EK DTA114EK 2SC3326 DTC124EK 2SD601A DTC144EK KTC2875B VIEW DTA114EK DTC114EK DTC124EK DTC114EK 10 kohm 10 kohm DTC144EK DTC124EK 22 kohm 22 kohm DTC144EK 47 kohm 47 kohm HAT2053M 2SD1913 2SB1274 2SB562 2SC2878 D D D D 2SD468...
Page 36 DVM-4800 FL DISPLAY 17-BT-14GNK (FL601) (Part No.: 393 8053 003) Grid Assigment 13G 12G 11G 10G 9G 1-1 2-1 3-1 4-1 5-1 1-2 2-2 3-2 4-2 5-2 DISC GROUP TITLE TRACK CHAP D.MIX P.PCM MLT.CH V.S.S. ANGLE MPEG DNR 1-3 2-3 3-3 4-3 5-3...
Page 37: Block Diagrams
DVM-4800 9. BLOCK DIAGRAMS DVM-4800 BLOCK DIAGRAM DIGITAL FILTER D/A CONVERTER LOWPASS FILTEER ANALOG OUTPUT MIX LCH PMD200 PCM1704 OPTICAL FRONT END OPTICAL PICK UP PROCESSOR DIGITAL FILTER D/A CONVERTER ANALOG OUTPUT MIX RCH LOWPASS FILTEER DISC (FEP) DXP7001AF PCM1704...
Page 38: Servo Block Diagram
DVM-4800 SERVO BLOCK DIAGRAM (1/2) IC5201 (FEP) IC2001 OPTICAL PICK UP UNIT (ODC/DSC) VIN11 PHOTO DETECTOR TBAL RFENV BOTTOM HOLD VIN12 PEAK VIN1 HEAD VIN2 VIN3 TBAL VIN4 FBAL VIN5,7 VIN6,8 FBAL VHALF LEVEL VIN9 CONT. VREF2 VIN10 DET. VCL.
Page 39 DVM-4800 SERVO BLOCK DIAGRAM (2/2) RF SIGNAL MOTOR DRIVE SIGNAL TRACKING ERROR SIGNAL FOCUS ERROR SIGNAL IC2001 (ODC/DSC) IC2501 (MOTOR DRIVE) VO4+ M2502 TRAVERS MOTOR LEVEL TRSDRV TRIN VO4- SHIFT BIAS1 OPIN+ TRTRV VIN1 VO3+ M2501 SPINDLE MOTOR DAC1 VIN2...
Page 40: Video Block Diagram
DVM-4800 VIDEO BLOCK DIAGRAM (1/4) IC5201(FEP) IC2001(SODC/ODC/DRV) IC3001(AV DECODER) OPTICAL PICK UP HDD8 STD0 UNIT HDD9 STD1 HDD10 STD2 VIN11 HDD11 STD3 TBAL HDD12 STD4 HDD13 75 STD5 VIN12 CPUDR0 HDD14 STD6 CPUDR1 HDD15 STD7 CPUDR2 VIN1 CPUDR3 CPUDR4 CPUDR5...
Page 41 DVM-4800 VIDEO BLOCK DIAGRAM (2/4) IC6301 IC3061(64M bit SDRAM) (32M bit FLASH ROM) IC3731(RAM) CPUADR1 CPUADR2 CPUADR3 CPUADR4 CPUADR5 CPUADR6 CPUADR7 CPUADR8 CPUADR9 CPUADR10 MA10 DQ10 CPUADR11 MA11 DQ11 CPUADR12 DQ10 DQ12 CPUADR13 DQ11 DQ13 CPUADR14 DQ12 XCAS ICAS DQ13...
Page 42 DVM-4800 VIDEO BLOCK DIAGRAM (3/4) IC3751(PROGRESSIVE VIDEO DAC) IC3701(PROGRESSIVE) SHARPNESS Y RIN0 Y RED0 CGMS FILTER CONTROL MACROVISION Y RIN1 Y RED1 Y RIN2 Y RED2 ADAPTIVE Y RIN3 Y RED3 FILTER CONTROL Y RIN4 Y RED4 Y RIN5 Y RED5...
Page 43 DVM-4800 VIDEO BLOCK DIAGRAM (4/4) TO MOTHER P.W.B. K3265 K3263 K3267 RESET DACA 10-bit YUV-TO-RGB Q3236 MATRIX DACB 10-bit YUV LEVEL CONTROL BLOCK Q3231 DACC 10-bit Q3226 K3201 DACE 10-bit MODULATOR VR3225 HUE CONTROL Q3221 DACF 10-bit SIN/COS VR3221 DAC D...
Page 44: Audio Block Diagram
DVM-4800 AUDIO BLOCK DIAGRAM TO MOTHER P.W.B. IC3001 IC6201 (AV DECODER) (MAIN CPU) AMOT AMUT 9 AC3H AC3H DAC SEL192 SBO1 SBT1 STBDAC STBDAC2 NRST IC4221 DAC SEL (AUDIO DAC) AOUT0 IC4231 (AUDIO DAC) AOUT1 IC6801 (WM) FROM/TO IC6201/ IC3001/...
Page 45: Wiring Diagram
DVM-4800 10. WIRING DIAGRAM...
Page 46: Notes On Schematic Diagram
DVM-4800 11. NOTES ON SCHEMATIC DIAGRAM Parts marked with this symbol have critical characteristics. WARNING Use only replacement parts specified to ensure safety and performance. Refer to Parts Price List for the parts number of resisters, capacitors, and other electrical components.
Page 47: Schematic Diagrams
DVM-4800 12. SCHEMATIC DIAGRAMS (1/15) FEP SECTION (MODULE P .W.B. (1/10)) As for each section, see the following pages. FEP SECTION Page: 47 SODC SECTION Page: 48 Page: 49 AVDEC SECTION NOICAN SECTION Page: 50 PRG SECTION Page: 51 VD SECTION...
Page 48 DVM-4800 SCHEMATIC DIAGRAMS (2/15) SODC SECTION (MODULE P .W.B. (2/10)) As for each section, see the following pages. Page: 47 FEP SECTION SODC SECTION Page: 48 AVDEC SECTION Page: 49 NOICAN SECTION Page: 50 PRG SECTION Page: 51 VD SECTION...
Page 49 DVM-4800 SCHEMATIC DIAGRAMS (3/15) AV DECORDER SECTION (MODULE P .W.B. (3/10)) As for each section, see the following pages. Page: 47 FEP SECTION SODC SECTION Page: 48 AVDEC SECTION Page: 49 Page: 50 NOICAN SECTION PRG SECTION Page: 51 VD SECTION...
Page 50 DVM-4800 SCHEMATIC DIAGRAMS (4/15) NOISE CANCELER SECTION (MODULE P .W.B. (4/10)) As for each section, see the following pages. FEP SECTION Page: 47 Page: 48 SODC SECTION AVDEC SECTION Page: 49 NOICAN SECTION Page: 50 Page: 51 PRG SECTION VD SECTION...
Page 51 DVM-4800 SCHEMATIC DIAGRAMS (5/15) PROGRESSIVE SECTION (MODULE P .W.B. (5/10)) As for each section, see the following pages. Page: 47 FEP SECTION SODC SECTION Page: 48 AVDEC SECTION Page: 49 NOICAN SECTION Page: 50 PRG SECTION Page: 51 VD SECTION...
Page 52 DVM-4800 SCHEMATIC DIAGRAMS (6/15) VIDEO D/A CONVERTER SECTION (MODULE P .W.B. (6/10)) As for each section, see the following pages. Page: 47 FEP SECTION SODC SECTION Page: 48 AVDEC SECTION Page: 49 Page: 50 NOICAN SECTION PRG SECTION Page: 51...
Page 53 DVM-4800 SCHEMATIC DIAGRAMS (7/15) AUDIO D/A CONVERTER SECTION (MODULE P .W.B. (7/10)) As for each section, see the following pages. Page: 47 FEP SECTION SODC SECTION Page: 48 AVDEC SECTION Page: 49 Page: 50 NOICAN SECTION PRG SECTION Page: 51...
Page 54 DVM-4800 SCHEMATIC DIAGRAMS (8/15) WM SECTION (MODULE P .W.B. (8/10)) As for each section, see the following pages. FEP SECTION Page: 47 VD SECTION Page: 52 Page: 48 Page: 53 SODC SECTION AD SECTION AVDEC SECTION Page: 49 WM SECTION Page: 54 WM SECTION (MODULE P.W.B.(8/10))
Page 55 DVM-4800 SCHEMATIC DIAGRAMS (9/15) CLOCK SECTION (MODULE P .W.B. (9/10)) As for each section, see the following pages. FEP SECTION Page: 47 Page: 48 SODC SECTION AVDEC SECTION Page: 49 NOICAN SECTION Page: 50 PRG SECTION Page: 51 VD SECTION...
Page 56 DVM-4800 SCHEMATIC DIAGRAMS (10/15) CPU SECTION (MODULE P .W.B. (10/10)) RFKFRP50G160 As for each section, see the following pages. Page: 47 FEP SECTION SODC SECTION Page: 48 AVDEC SECTION Page: 49 NOICAN SECTION Page: 50 PRG SECTION Page: 51 VD SECTION...
Page 57 DVM-4800 SCHEMATIC DIAGRAMS (11/15) TERMINAL...
Page 58 DVM-4800 SCHEMATIC DIAGRAMS (12/15) NOTICE WARNING Parts marked with this symbol have critical characteristics. ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM + B LINE ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
Page 59 DVM-4800 SCHEMATIC DIAGRAMS (12/15) NOTICE WARNING Parts marked with this symbol have critical characteristics. ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM + B LINE ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
Page 60 SCHEMATIC DIAGRAMS (12/15)
Page 61 DVM-4800...
Page 62 WARNING NOTICE Parts marked with this symbol have c ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION: CONDITION.
Page 63 have critical characteristics. + B LINE mended by the manufacture. - B LINE mer, make sure you make either (1) a SCHEMATIC DIAGRAMS (12/15) chassis resistance check. If the leakage GU-3374-1 POWER UNIT he resistance from chassis to either side hms, the unit is defective.
Page 64 DVM-4800 SCHEMATIC DIAGRAMS (13/15) SCHEMATIC DIAGRAMS (13/15) NOTICE WARNING GU-3374-2 DISPLAY UNIT ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics. + B LINE GU-3374-3 LED/KEY UNIT ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
Page 65 DVM-4800 SCHEMATIC DIAGRAMS (13/15) SCHEMATIC DIAGRAMS (13/15) NOTICE WARNING GU-3374-2 DISPLAY UNIT ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics. + B LINE GU-3374-3 LED/KEY UNIT ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
Page 66 SCHEMATIC DIAGRAMS (13/15)
Page 67 DVM-4800...
Page 68 WARNING NOTICE Parts marked with this symbol have c ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION: CONDITION.
Page 69 SCHEMATIC DIAGRAMS (13/15) GU-3374-2 DISPLAY UNIT have critical characteristics. + B LINE GU-3374-3 LED/KEY UNIT mended by the manufacture. GU-3374-4 ROULETTE UNIT - B LINE GU-3374-5 OP/CL SW UNIT mer, make sure you make either (1) a chassis resistance check. If the leakage GU-3374-6 DISC SENSOR UNIT he resistance from chassis to either side GU-3374-7 UP/DOWN SW UNIT...
Page 70 DVM-4800 SCHEMATIC DIAGRAMS (14/15) WARNING NOTICE + B LINE SCHEMATIC DIAGRAMS (14/15) ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics. - B LINE GU-3375-1 MOTHER UNIT(1/2) ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
Page 71 DVM-4800 SCHEMATIC DIAGRAMS (14/15) WARNING NOTICE + B LINE SCHEMATIC DIAGRAMS (14/15) ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM Parts marked with this symbol have critical characteristics. - B LINE GU-3375-1 MOTHER UNIT(1/2) ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
Page 72 SCHEMATIC DIAGRAMS (14/15)
Page 73 DVM-4800...
Page 74 WARNING NOTICE Parts marked with this symbol have c ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION: CONDITION.
Page 75 + B LINE SCHEMATIC DIAGRAMS (14/15) have critical characteristics. - B LINE GU-3375-1 MOTHER UNIT(1/2) mended by the manufacture. SIGNAL LINE mer, make sure you make either (1) a chassis resistance check. If the leakage he resistance from chassis to either side hms, the unit is defective.
Page 76 DVM-4800 SCHEMATIC DIAGRAMS (15/15) NOTICE WARNING + B LINE SCHEMATIC DIAGRAMS (15/15) Parts marked with this symbol have critical characteristics. ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM - B LINE GU-3375-1 MOTHER UNIT(2/2) ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
Page 77 DVM-4800 SCHEMATIC DIAGRAMS (15/15) NOTICE WARNING + B LINE SCHEMATIC DIAGRAMS (15/15) Parts marked with this symbol have critical characteristics. ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM - B LINE GU-3375-1 MOTHER UNIT(2/2) ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended by the manufacture.
Page 78 SCHEMATIC DIAGRAMS (15/15)
Page 79 DVM-4800...
Page 80 WARNING NOTICE Parts marked with this symbol have c ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD Use ONLY replacement parts recommended EACH VOLTAGE AND CURRENT ARE MEASUERD AT MO SIGNAL INPUT CAUTION: CONDITION.
Page 81 + B LINE SCHEMATIC DIAGRAMS (15/15) have critical characteristics. - B LINE GU-3375-1 MOTHER UNIT(2/2) mended by the manufacture. SIGNAL LINE mer, make sure you make either (1) a chassis resistance check. If the leakage he resistance from chassis to either side hms, the unit is defective.
Page 82: Printed Wiring Boards
DVM-4800 13. PRINTED WIRING BOARDS MAIN P .W.B. UNIT Ass'y COMPONENT SIDE...
Page 83 DVM-4800 FOIL SIDE...
Page 84 DVM-4800 GU-3375 MOTHER P .W.B. UNIT Ass'y 16 9 14 8 COMPONENT SIDE...
Page 85 DVM-4800 FOIL SIDE...
Page 86 DVM-4800 GU-3374 DISPLAY P .W.B. UNIT Ass'y COMPONENT SIDE...
Page 87 DVM-4800 FOIL SIDE...
Page 88: Exploded View
DVM-4800 14. EXPLODED VIEW WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. Attach asecro-tape to 4 edges marked with 70-1 70-2 1-12 105A...
Page 89: Parts List Of Exploded View
28 463 0923 003 Spring (C) 81C 146 2215 319 Inner panel 29 421 0755 002 Loader lock pin 81D 131 9004 013 DENON mark 30 463 0924 002 Spring (L) 82 009 0194 023 35P FFC cable (1.25) CN351 31 203 4986 033 3P PH-PH connector cord CN032 84 009 0194 010 33P FFC cable (1.25)
Page 90: Exploded View Of Traverse Mechanism Unit
DVM-4800 15. EXPLODED VIEW OF TRAVERSE MECHANISM UNIT Grease Oil (2) Grease Screw lock FG P .W.B. Grease Grease E INTERMEDIATE P .W.B. TO MODULE P .W.B.
Page 91: Parts List Of Traverse Mechanism Unit
DVM-4800 PARTS LIST OF TRAVERSE MECHANISM UNIT Ref. No. Part No. Part Name Remarks Q'ty 201 9MR XQ07 42 Spindle motor ass’y 203 9MR MS07 12 Fixed pin 204 928 0159 002 Intermediate P.C.B. 205 928 9019 499 Screw 206 928 0151 204 Floating rubber...
Page 92: Parts List Of Packing & Accessories
DVM-4800 16. PACKING & ACCESSORIES 203A 209 , 213 PARTS LIST OF PACKING & ACCESSORIES Ref. No. Part No. Part Name Remarks Q'ty Ref. No. Part No. Part Name Remarks Q'ty 504 0092 060 Stylen paper 515 0867 101 Service station list (EX)
Page 93: Note For Parts List
DVM-4800 17. NOTE FOR PARTS LIST Part indicated with the mark " " are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. When ordering of part, clearly indicate "1" and "I" (i) to avoid mis-supplying.
Page 94 DVM-4800 18. PARTS LIST OF P.W.B. UNIT ASS'Y MAIN UNIT ASS'Y Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks SEMICONDUCTORS GROUP Q5263 928 0162 400 Transistor 2SA1532-BC Q5264 928 0162 507 Transistor 2SC3930-BC IC2001...
Page 95 DVM-4800 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R3006,3007 928 9018 005 Metal film chip 0 ohm 1/16W ERJ3GEY0R00 R3901,3902 Metal film chip 4.7 kohm 1/16W ERJ3GEYJ472 R3012 Metal film chip 1 kohm 1/16W...
Page 96 DVM-4800 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R6205,6206 Metal film chip 10 kohm 1/16W ERJ3GEYJ103 CAPACITORS GROUP R6207,6208 Metal film chip 4.7 kohm 1/16W ERJ3GEYJ472 C2001,2002 928 9020 022 Electrolytic 100uF/6.3V EEVHB0J101...
Page 97 DVM-4800 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks C3201 928 9020 022 Electrolytic 100uF/6.3V EEVHB0J101 C5201,5202 928 9020 093 Electrolytic 10uF/16V EEVHB1C100 C3202-3206 Ceramic chip 0.1uF/16V ECUX1C104ZFV C5203-5205 Ceramic chip 0.1uF/16V ECUX1C104ZFV C3207 Ceramic chip 0.1uF/16V...
Page 98 DVM-4800 Ref. No. Part No. Part Name Remarks Q’ty Ref. No. Part No. Part Name Remarks Q’ty OTHER PARTS GROUP LB6561,6571 928 0129 401 Chip solid inductor VLP0323A601R 2 LB6572 928 0078 219 Coil VLP0155-T FL4201 928 0143 607 Filter...
Page 99 DVM-4800 GU-3375 MOTHER UNIT ASS'Y Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks SEMICONDUCTORS GROUP TR109,110 274 0163 904 Transistor 2SD601A IC101 262 2974 004 IC PMD200 TR201 273 0460 905 Transistor KTC2875B IC102...
Page 100 DVM-4800 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R180,181 244 2052 960 Metal oxide 220 ohm 1W(NB) RS14B3A221JNBST(S) R285,286 247 2006 902 Carbon chip 330 ohm 1/16W RM73B--331JT (1608) R182 247 2010 969 Carbon chip 22 kohm 1/16W...
Page 101 DVM-4800 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks R459 247 2008 926 Carbon chip 2.2 kohm 1/16W RM73B--222JT R579-583 247 2018 903 Carbon chip 0 ohm 1/16W RM73B--0R0KT R461 247 2008 926 Carbon chip 2.2 kohm 1/16W...
Page 102 DVM-4800 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks C208 257 0509 929 Ceramic chip 1000pF/50V CK73B1H102KT C305 257 0501 901 Ceramic chip 0.01uF/50V CK73B1H103KT (1608) C209 257 0501 901 Ceramic chip 0.01uF/50V CK73B1H103KT (1608)
Page 103 DVM-4800 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks C501,502 254 4533 950 Electrolytic 470uF/6.3V CE04W0J471MT SMG/RE3 C823 257 0512 903 Ceramic chip 0.1uF/25V CK73F1E104ZT C503-505 254 4538 939 Electrolytic 47uF/16V CE04W1C470MT SMG/RE3 C827,828...
Page 104 DVM-4800 GU-3374 DISPLAY UNIT ASS'Y Ref. No. Part No. Part Name Remarks Q’ty Ref. No. Part No. Part Name Remarks L101 235 0060 905 Inductor 2.2uH SEMICONDUCTORS GROUP L501 235 0134 909 Inductor ELESA220KA IC604 499 0290 007 IC GP1U271X...
Page 105 DVM-4800 Ref. No. Part No. Part Name Remarks Ref. No. Part No. Part Name Remarks RESISTORS GROUP C910 253 8022 710 Ceramic 0.0022uF/250V(AC) CK45F2EAC222MC C911 253 8028 701 Ceramic 0.0022uF/1kV CK45R3A222KC R675 247 2007 943 Carbon chip 1 kohm 1/16W...
Page 106 DVM-4800 Ref. No. Part No. Part Name Remarks Q’ty OTHER PARTS GROUP AS906 417 0621 001 Heat sink OSH-1625SP CW91 204 2812 018 9P PH-SAN connector cord CX21 205 0581 056 2P VH connector base CX22 205 0453 003 2P VH connector base (L)

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