CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU IN SUPPLEMENTS PUBLISHED BY SONY.
XVM-R70 Ver 1.1 SECTION 1 SERVICING NOTES NOTE FOR REPLACEMENT OF THE EEP ROM (IC402) The EEP ROM (IC402) contains all data by which the LCD screen is defined. When the EEP ROM is replaced, the normal LCD screen will not appear.
XVM-R70 SECTION 2 GENERAL This section is extracted from instruction manual. Location of controls Monitor 1 OPEN button 4 MENU button Press to open the monitor. Press to adjust the various display 2 Receptor for the card remote settings. 5 REVERSE button*...
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AUDIO SUBTITLE For the monitor operations: For DVD operations: 1 ATT button When a Sony mobile DVD player is connected to this unit, you can control Press to quickly attenuate the the basic functions with the card remote volume. commander.
(IR) Output* DVD (MV) connector is only for MV-101. For details, refer to the Installation/Connections * “PS one” is a trademark of Sony Computer Entertainment Inc. manual supplied with MV-101. (AEP, UK model) Not used in this unit (US, Canadian, E model)
XVM-R70 SECTION 3 DISASSEMBLY Note : This set can be disassemble according to the following sequence. 3-1. SKIRT (BASE) (Page 8) 3-2. BASE BOARD (Page 8) 3-3. SW BOARD 3-4. COVERS (HINGE) (Page 9) (Page 9) 3-5. LCD BLOCK ASSY (Page 10) 3-6.
XVM-R70 Note : Follow the disassembly procedure in the numerical order given. 3-1. SKIRT (BASE) qa insulating sheet (base) 0 base plate 9 screw BTP 2.6 x 8 6 two screws BTP 2.6 x 8 5 skirt (base) 1 two screws...
XVM-R70 Ver 1.1 SECTION 4 TEST MODE Setting Method: 1. Place the POWER SELECT switch on the set into the B posi- tion. 2. Turn power on. While holding the RESET key down, depress key. Then release the RESET key and the key in this order.
XVM-R70 SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. EQUIPMENT USED The following measuring equipment are used for these electrical adjustments: • Oscilloscope • NTSC pattern generator • Stabilized power supply • Digital voltmeter • Frequency counter 5-2. CONNECTION OF EQUIPMENT Unless otherwise specified, the equipment should be connected as shown below.
XVM-R70 5-4. DC-DC CONVERTER ADJUSTMENT 5-6. INVERTER HIGH VOLTAGE CHECK Condition: DIMMER switch OFF 5-4-1. Frequency Adjustment Adjustment Method: 5-6-1. Voltage Check 1) Connect frequency counter between TP801 (+) and TP803 (–). Checking Method: 2) Adjust RV801 so that the reading on the counter stands at the 1) Connect oscilloscope between TP853 (+) and TP854 (–) using...
XVM-R70 5-11. V COM VOLTAGE/POSITION ADJUSTMENT 5-12-3. White Limiter Level Adjustment Adjustment Method: Condition: TEST MODE (See 13 page) 1) Select White Limit from the FOR FACTORY MODE. 2) Connect oscilloscope between TP811 (+) and TP500 (–). 1. Voltage Setup Adjustment...
XVM-R70 5-12-6. R Sub Contrast Adjustment 5-12-9. γ 2 Adjustment Adjustment Method: Adjustment Method: 1) Select R SUB CONT from the FOR FACTORY MODE. 1) Select Gamma2 from the FOR FACTORY MODE. 2) Connect oscilloscope between TP812 (+) and TP500 (–).
XVM-R70 SECTION 6 DIAGRAMS 6-1. IC PIN DESCRIPTION • IC400 µPD780022AY-N14-9ET (SYSTEM CONTROL) Pin No. Pin Name Pin Description Test mode setting input PW-ON Power ON control signal output — Not used (Open) — Not used (Open) — Not used (Open)
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XVM-R70 Pin No. Pin Name Pin Description — Not used (Open) A MUTE Audio muting signal output LCD up/down reverse control signal output LCD left/right reverse control signal output TFT ON LCD ON/OFF control signal output SIDE3 Display size 3 control signal output...
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• B : B– Line. • H : adjustment for repair. 1V/DIV 50µsec/DIV 0.5V/DIV 20µsec/DIV 0.2V/DIV 200nsec/DIV • CN401 of XVM-R70 is connected to Connection Box with a monitor cable. 3.5Vp-p 2.2Vp-p 0.8Vp-p Power voltage is dc 14.4 V from ACC cord of the Connec- tion Box and fed with regulated dc power supply.
XVM-R70 6-8. SCHEMATIC DIAGRAM — LCD SECTION (1/3) — • Refer to page 23 for Waveforms and Common Note on Schematic Diagram and page 31 for IC Block Diagrams. CN950 R977 CN954 R976 TP975 TP977 TP976 S951 TP978 R972 D901...
XVM-R70 6-9. SCHEMATIC DIAGRAM — LCD SECTION (2/3) — • Refer to page 23 for Waveforms and Common Note on Schematic Diagram and page 31 for IC Block Diagrams. (Page 28) D410 L400 IC B/D D412 C423 C401 IC401 R445...
XVM-R70 6-10. SCHEMATIC DIAGRAM — LCD SECTION (3/3) — • Refer to page 23 for Waveforms and Common Note on Schematic Diagram and page 32 for IC Block Diagrams. TP614 C606 C603 L600 C605 C604 C602 R659 IC B/D RV601...
XVM-R70 6-11. IC BLOCK DIAGRAMS IC500 AN2546FH-AV LOGIC LOGIC LOGIC LOGIC PONRST IICBUS SYNCSEPA 32 HDOUT COMDC 31 VDOUT PHASE SECAM BLACK ADJ VSYNC 30 PWM OUT HHKILL DROP COMP CLAMP 29 VCC3 VCOM 28 VCOM OUT CTRAP OUT VERT.
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XVM-R70 IC401 µPD6467GR-546-E1 20 H SYNC 19 V SYNC DATA INPUT INSTRUCTION DECODER CONTROL SIGNALS SHIFT REGISTER DATA WRITE-IN CHARACTER SIZE H-ADDRESS DISPLAY ADDRESS VIDEO RAM REGISTER REGISTER CONTROL COUNTER REGISTER DATA BACK SELECT INTERRUPT V-SIZE H-POSITION H-ADDRESS DATA COUNTER...
XVM-R70 SECTION 7 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. Example : 0 are critical for safety.
XVM-R70 7-2. BASE (2) SECTION not supplied (SW board) not supplied not supplied not supplied not supplied supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3274-916-A BASE BOARD, COMPLETE...
XVM-R70 7-4. CONNECTION BOX SECTION (XA-115) not supplied not supplied CN202 not supplied not supplied CN300 J200 J300 CN301 CN901 J201 CN201 CN200 J901 not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No.
XVM-R70 SECTION 8 BASE ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
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XVM-R70 US Model Canadian Model SERVICE MANUAL AEP Model UK Model E Model Ver. 1.2 2005.07 SUPPLEMENT-1 File this supplement with the service manual. Subject : Change the LCD, BASE and SW boards. Printed wiring board and schematic diagram of new type, and changed parts list are described in this Supplement-1.
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• B : B– Line. • H : adjustment for repair. 1V/DIV 50µsec/DIV 0.5V/DIV 20µsec/DIV 0.2V/DIV 200nsec/DIV • CN401 of XVM-R70 is connected to Connection Box with a monitor cable. 3.5Vp-p 2.2Vp-p 0.8Vp-p Power voltage is dc 14.4 V from ACC cord of the Connec- tion Box and fed with regulated dc power supply.
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XVM-R70 1-5. SCHEMATIC DIAGRAM — LCD SECTION (1/3) — • Refer to page 3 for Waveforms and page 11 for IC Block Diagrams. CN950 R977 CN954 R976 TP975 TP976 S951 TP977 TP978 D901 CN953 TP966 TP969 TP970 TP973 TP972 TP965...
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XVM-R70 1-6. SCHEMATIC DIAGRAM — LCD SECTION (2/3) — • Refer to page 3 for Waveforms and page 11 for IC Block Diagrams. (Page 8) IC B/D D410 L400 C423 D412 C402 C401 IC401 R445 TP407 R440 C426 R451 R471...
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XVM-R70 1-7. SCHEMATIC DIAGRAM — LCD SECTION (3/3) — • Refer to page 3 for Waveforms and page 12 for IC Block Diagrams. TP614 C606 C603 L600 C605 C604 C602 IC B/D R659 RV601 R638 R639 C626 IC B/D Q600...
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XVM-R70 • IC BLOCK DIAGRAMS IC500 AN2546FH-AV LOGIC LOGIC LOGIC LOGIC PONRST IICBUS SYNCSEPA 32 HDOUT COMDC 31 VDOUT PHASE SECAM BLACK ADJ VSYNC 30 PWM OUT HHKILL DROP COMP CLAMP 29 VCC3 VCOM 28 VCOM OUT CTRAP OUT VERT.
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XVM-R70 IC401 µPD6467GR-546-E1 20 H SYNC 19 V SYNC DATA INPUT INSTRUCTION DECODER CONTROL SIGNALS SHIFT REGISTER DATA WRITE-IN CHARACTER SIZE H-ADDRESS DISPLAY ADDRESS VIDEO RAM REGISTER REGISTER CONTROL COUNTER REGISTER DATA BACK SELECT INTERRUPT V-SIZE H-POSITION H-ADDRESS DATA COUNTER...
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XVM-R70 SECTION 2 BASE ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
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XVM-R70 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC403 8-759-698-19 IC XC61CN2702MR Q506 8-729-026-52 TRANSISTOR 2SA1576A-T106-R IC404 6-701-681-01 IC RPM7140-V4 (IR) Q600 8-729-013-35 TRANSISTOR 2SC4118-OY-TE85L IC500 6-704-269-01 IC AN2546FH-AV Q601 8-729-905-35 TRANSISTOR 2SC4081-R IC501 6-704-276-01 IC CD74HCT4053PWR...
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XVM-R70 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R433 1-216-816-11 METAL CHIP 1/10W R515 1-216-835-11 METAL CHIP 1/10W R434 1-216-817-11 METAL CHIP 1/10W R517 1-216-825-11 METAL CHIP 2.2K 1/10W R435 1-216-821-11 METAL CHIP 1/10W R518 1-216-829-11 METAL CHIP 4.7K...
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XVM-R70 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R645 1-216-835-11 METAL CHIP 1/10W R873 1-216-865-11 METAL CHIP 1/10W R646 1-216-843-11 METAL CHIP 1/10W R874 1-216-865-11 METAL CHIP 1/10W R647 1-216-857-11 METAL CHIP 1/10W R875 1-218-708-11 METAL CHIP 4.7K...
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XVM-R70 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2003.07 2003.10...