Sony XTL-750W Service Manual
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Sony XTL-750W Service Manual

Sony XTL-750W Service Manual

Mobile color tv
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SERVICE MANUAL

•
This set consists of the following units.
MONITOR
TUNER UNIT
REMOTE COMMANDER
ANTENNA
Monitor (XVM-750W)
System
Liquid crystal color display
Display
Transparent TN LCD panel
Drive system
TFT active matrix system
7 in.; 155.52 × 87.75 mm,
Picture size
178.57 mm
(w × h, diagonally)
Picture segment
336,960 (w 1440 × h 234)
35 × 20 mm dynamic speaker × 2
Speaker type
Power requirements
12 V DC car battery
(negative ground)
Current drain
Approx. 1.0 A
215 × 126.5 × 34 mm (w × h × d)
Dimensions
Operating temperature
5˚C ~ +45˚C
Mass
Approx. 650 g
TV tuner unit (XT-992V: US,
XT-991V: Hong Kong)
Television system
Hong Kong:
CCIR I,D,K system
US:
NTSC
Color system
Hong Kong:
TV: PAL
Video: PAL, NTSC
US:
TV: NTSC
Video: NTSC
MICROFILM
Tuner unit :
XT-992V (US model)
XT-991V (Hong Kong model)
US model
Hong Kong model
XVM-750W
XVM-750W
XT-992V
XT-991V
RM-X63N
RM-X63E
VCA-114
VCA-114
SPECIFICATIONS
XTL-750W
Monitor : XVM-750W
Channel converge
VHF: 1 CH ~ 12 CH (Hong Kong)
2 CH ~ 13 CH (US)
UHF: 14 CH ~ 69 CH (US)
21 CH ~ 69 CH (Hong Kong)
Power requirements
12 V DC car battery
(negative ground)
Current drain
Approx. 0.5 A
Output terminals
Video output: RCA pin 1 Vp-p,
75 ohm
Audio output: RCA pin –10 dBs,
10 kohm
Monitor output: Square 16 -pin
– 1 –
US Model
Hong Kong Model
(exclusive)
– Continued on next page –
MOBILE COLOR TV

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  • Page 1: Service Manual

    XTL-750W SERVICE MANUAL US Model Hong Kong Model Tuner unit : XT-992V (US model) Monitor : XVM-750W XT-991V (Hong Kong model) • This set consists of the following units. US model Hong Kong model MONITOR XVM-750W XVM-750W TUNER UNIT XT-992V...

  • Page 2: Table Of Contents

    Input terminals Video input (2 system): RCA pin 1 Vp-p, TABLE OF CONTENTS 75 ohm Audio input: RCA pin –10 dBs, 10 kohm 1. GENERAL Antenna input: mini plug Navigation input: Square 16 -pin Location of Controls ............... 3 (exclusive) Getting Started ................
  • Page 3 SECTION 1 GENERAL This section is extracted from instruction manual. – 3 –...
  • Page 4 – 4 –...
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  • Page 7 – 7 –...

  • Page 8: Disassembly

    SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. REAR PANEL ASSY 1 screws (2.6x5) 2 screws (2.6x5) 4 stand bracket (W) 3 screws (2.6x5) 5 screws (M2x6), tapping !™ rear panel assy 6 screws (M2x6), tapping 7 CN601 8 CN602 9 CN301...

  • Page 9: Electrical Adjustments

    SECTION 3 ELECTRICAL ADJUSTMENTS Inverter Voltage Adjustment MONITOR SECTION Procedure: 1. Display the gray scale on the monitor screen. Equipment Used 2. Connect a digital voltmeter to TP64 on the MONITOR MAIN The measuring equipment below are used for these electrical board.
  • Page 10 γ 0 Adjustment VCOM Adjustment (2) Procedure: Procedure: 1. Display the gray scale on the monitor screen. 1. Display the navigation map screen on the monitor screen. 2. Connect an oscilloscope to TP106 on the MONITOR MAIN 2. Adjust RV211 so as to ensure that the screen has the highest board.
  • Page 11 Adjustment Location: MONITOR MAIN BOARD ( SIDE A ) VCOM γ 2 RV211 RV210 RV213 γ 0 RV212 RV208 RV401 RV201 RV209 RV207 DC/DC BRIGHT RV601 AMPLITUDE CONVERTER R AND B LEVEL INVERTER VOLTAGE VOLTAGE MONITOR MAIN BOARD ( SIDE B ) TP107 TP108 TP106...

  • Page 12: Tuner Unit Section

    TRAP Adjustment (Hong Kong model) TUNER UNIT SECTION Procedure: 1. With the Power off, input the output of TG to TP30 (with DC • Use the following equipment for the electrical adjustment. cut by a capacitor (0.01 µF)). 2. Connect a spectrum analyzer to TP31 (with DC cut by a Equipment capacitor (0.01 µF)).
  • Page 13 RGB Decoder FO Adjustment Procedure: Hong Kong model: 1. Without INPUT1, INPUT2 inputs (no signal input mode), short the jumper wire between TP100 and GND. 2. Connect a frequency counter to TP61. 3. Adjust VR6 so that reading on frequency counter is 4.433619 MHz ±...
  • Page 14 Connection Points and Adjustment Points: – Hong Kong Model – TP42 TP102 T1: TRAP Adjustment T2: TRAP Adjustment TP30 VR1: AGC Adjustment TP31 TP61 TP106 TP33 TP100 T3: VCO Adjustment : AFT Adjustment TP34 TP111 VR5: DL AMP & DAT Adjustment VR4: RGB Decoder input Level Adjustment VR6: RGB Decoder FO Adjustment...

  • Page 15: Diagrams

    XTL-750W SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM — MONITOR SECTION — AUDIO POWER AMP IC301 CN302 CN101 REMOTE AUDIO SIRCS CONTROL (MAIN) SENSOR D301 MAIN/L KEY IN MATRIX IC101 SPEAKER IC102 B+ (5V) S101 NAVI B+ (AMP) AUDIO POWER AMP IC303...

  • Page 16: Block Diagram -Tuner Unit (Video) Section

    XTL-750W 4-2. BLOCK DIAGRAM — TUNER UNIT (VIDEO) SECTION — US MODEL VIDEO INPUT SELECTOR IC30 J10-1 VIDEO NAVI IN CN2 (1/2) MODEL SONY NAVI CN MODEL (NVX) BUFFER CONTROL CONTROL AUX(V) IC21 (3/3) IC22 (2/2) CN MODEL J8-1 VIDEO...

  • Page 17: Block Diagram -Tuner Unit (Audio) Section

    XTL-750W 4-3. BLOCK DIAGRAM — TUNER UNIT (AUDIO) SECTION — IC29 (1/2) J10-2 AUDIO IC29 (2/2) NAVI IN US MODEL R-CH SONY NAVI CN2 (2/2) (NVX) IF AMP AUDIO IC27 J5-2,3 INPUT 1 MUTE AUDIO MUTE R-CH VIDEO DRIVE SIMUL...

  • Page 18: Printed Wiring Boards -Monitor Section

    XTL-750W 4-4. PRINTED WIRING BOARDS — MONITOR SECTION — • Semiconductor Location (side A) Ref. No. Location D101 D104 D105 D106 D107 D108 D109 D110 D111 D112 D113 D201 D202 D203 D204 D502 D503 D504 D505 D506 D601 D602 D603...
  • Page 19 XTL-750W • Semiconductor Location (side B) Ref. No. Location F-11 D301 D302 D604 D605 E-10 IC103 IC203 IC204 IC302 IC401 Q105 Q608 Q611 D-10 – 23 – – 24 –...

  • Page 20: Schematic Diagram -Monitor Section (1/2)

    XTL-750W 4-5. SCHEMATIC DIAGRAM — MONITOR SECTION (1/2) — • Refer to page 45 for IC Block Diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

  • Page 21: Schematic Diagram -Monitor Section (2/2)

    XTL-750W 4-6. SCHEMATIC DIAGRAM — MONITOR SECTION (2/2) — • Refer to page 45 for IC Block Diagrams. • Waveforms 5.0Vp-p #¢ IC201 5.0Vp-p #∞ IC201 1.0Vp-p #§ IC201 1.0Vp-p $º IC201 1.0Vp-p $¡ IC201 1.0Vp-p $™ IC201 7.0Vp-p 23.5µsec Q609 –...

  • Page 22: Printed Wiring Board -Tuner Unit (Us Model)

    XTL-750W 4-7. PRINTED WIRING BOARD — TUNER UNIT (US Model) — • Semiconductor Location (side A) Ref. No. Location IC12 IC13 F-10 IC14 IC15 IC16 IC17 IC18 IC19 IC20 IC21 IC22 IC23 IC24 IC25 IC26 IC27 IC28 IC29 IC31 IC50...
  • Page 23 XTL-750W • Semiconductor Location (side B) Ref. No. Location IC33 – 31 – – 32 –...

  • Page 24: Printed Wiring Board -Tuner Unit (Hong Kong Model)

    XTL-750W 4-8. PRINTED WIRING BOARD — TUNER UNIT (Hong Kong Model) — • Semiconductor Location (side A) Ref. No. Location IC12 IC13 F-11 IC14 IC15 IC16 IC17 IC18 IC19 IC21 IC22 IC23 IC24 IC25 IC26 IC27 IC28 IC29 IC30 IC31...
  • Page 25 XTL-750W • Semiconductor Location (side B) Ref. No. Location IC33 F-10 F-11 G-10 G-10 G-12 G-11 Q103 – 35 – – 36 –...

  • Page 26: Schematic Diagram -Tuner Unit (1/4)

    XTL-750W 4-9. SCHEMATIC DIAGRAM — TUNER UNIT (1/4) — • Refer to page 47 for IC Block Diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

  • Page 27: Schematic Diagram -Tuner Unit (2/4)

    XTL-750W 4-10. SCHEMATIC DIAGRAM — TUNER UNIT (2/4) — • Refer to page 47 for IC Block Diagrams. (Page 43) Note: • All capacitors are in µF unless otherwise noted. pF: µµF • S : B+ Line. • Signal path.

  • Page 28: Schematic Diagram -Tuner Unit (3/4)

    XTL-750W 4-11. SCHEMATIC DIAGRAM — TUNER UNIT (3/4) — • Refer to page 47 for IC Block Diagrams. (Page 38) Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

  • Page 29: Schematic Diagram -Tuner Unit (4/4)

    XTL-750W 4-12. SCHEMATIC DIAGRAM — TUNER UNIT (4/4) — • Refer to page 48 for IC Block Diagrams. (Page 39) Note: • All capacitors are in µF unless otherwise noted. pF: µµF • Voltage is dc with respect to ground under no-signal 50 WV or less are not indicated except for electrolytics condition.
  • Page 30 • IC Block Diagrams IC102 BU2486-46 IC201 IR3Y29B4 24 23 22 18 17 OSC2 CARRIER S-LATCH B DC DET OSC1 SYNC GAMMA 2 DECODER GAMMA 0 INSTRUCTION DECODER 16WORD x 2PAGE x 4BIT RGB AMPLITUDE ADJUST 64WORD x 16PAGE x 8BIT CHROMA OUT DECODER DECODER...
  • Page 31 IC1 PST9145NR IC3 BA6161F BLOCKING OSCILLATOR – COMP IC13 LA7565EM IC17 MM1108XF V SYNC SYNC 1stT PHASE VIDEO COMP IC27 – 29 BA3121F OUT1 OUT2 IC14 TC74HC4052AF IC50 AT24C01 DOUT LOGIC DOUT/ACK TEST Y DEC SERIAL MUX SELECT A EEPROM ADDRESS/COUNTER DATA WORD SELECT B...
  • Page 32 IC18, 25, 26 TC4053BF IC24 CXA1585Q B.COM VCC1 OPEN GND1 SYNC SHARPNESS A.COM SLICE SHP CTL SYNC PULSE C.COM SHP F0 SYNC OPEN Y CLP DLA BIAS TP ADJ ACK TC BURST GATE CHROMA C ADJ C OUT OPEN DLA IN ADD/SUB ACC TC C IN...

  • Page 33: Exploded Views

    SECTION 5 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so • Accessories and packing materials are • The mechanical parts with no reference number in the exploded views are not supplied. they may have some difference from the given in the last of this parts list.

  • Page 34: Tuner Section

    5-2. TUNER SECTION (XT-992V : US Model) (XT-991V : Hong K ong Model) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51 9-884-241-01 CASE (TOP) (CN) * 58 7-621-773-95 SCREW +B 2.6X7 * 51 9-884-246-01 CASE (TOP) (US) 1-777-901-11 CORD (WITH CONNEVTOR) (POWER) (2m) * 52 9-884-239-01 TUNER MAIN BOARD, COMPLETE (CN)

  • Page 35: Electrical Parts List

    SECTION 6 MONITOR MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since When indicating parts by reference the parts list may be different from the they are seldom required for routine service. number, please include the board.
  • Page 36 MONITOR MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C702 1-162-970-11 CERAMIC CHIP 0.01uF < FUSE > C703 1-164-346-11 CERAMIC CHIP C801 1-128-078-11 ELECT 33uF F501 1-576-318-21 FUSE, CHIP (800mA) C901 1-128-528-11 ELECT 470uF F601 1-533-922-21 FUSE, CHIP (1A) C902 1-164-506-11 CERAMIC CHIP...
  • Page 37 MONITOR MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q604 8-729-905-34 TRANSISTOR 2SC4081-Q R234 1-216-833-11 RES,CHIP 1/16W Q605 8-729-907-00 TRANSISTOR DTC114EU R235 1-216-840-11 METAL CHIP 1/16W Q606 8-729-026-51 TRANSISTOR 2SA1576A-T106-Q R236 1-216-833-11 RES,CHIP 1/16W Q607 8-729-905-34 TRANSISTOR 2SC4081-Q R237 1-216-821-11 METAL CHIP...
  • Page 38 MONITOR MAIN MONITOR SUB TUNER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R603 1-216-826-11 METAL CHIP 2.7K 1/16W < VIBRATOR > R604 1-216-853-11 METAL CHIP 470K 1/16W R605 1-216-829-11 METAL CHIP 4.7K 1/16W X101 1-767-037-21 OSCILLATOR, CERAMIC (480kHz) R606 1-216-797-11 METAL CHIP...
  • Page 39 TUNER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-163-021-11 CERAMIC CHIP 0.01uF 1-126-163-11 ELECT 4.7uF 1-163-009-11 CERAMIC CHIP 0.001uF 1-163-021-11 CERAMIC CHIP 0.01uF (US) 1-163-237-11 CERAMIC CHIP 27PF 1-163-009-11 CERAMIC CHIP 0.001uF 1-163-237-11 CERAMIC CHIP 27PF (US) 1-163-251-11 CERAMIC CHIP...
  • Page 40 TUNER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C138 1-163-135-00 CERAMIC CHIP 560PF C199 1-126-513-11 ELECT 47uF 6.3V C139 1-126-162-11 ELECT 3.3uF C200 1-163-251-11 CERAMIC CHIP 100PF C140 1-163-016-00 CERAMIC CHIP 0.0039uF 10% C201 1-164-346-11 CERAMIC CHIP C141 1-126-157-11 ELECT...
  • Page 41 9-939-529-01 FUSE (3.15A) 1-567-100-11 FILTER, CERAMIC (6MHz) (CN) < IC > < CONNECTOR > 9-882-911-01 IC PST9145NR 1-764-631-11 PLUG, CONNECTOR (NAVI IN SONY NAVI (NVX)) 9-882-912-01 IC BA17805FP 1-764-632-21 PLUG, CONNECTOR 16P (MONITOR OUT) 8-759-945-44 IC BA6161F 1-569-216-11 CONNECTOR 5P (POWER)
  • Page 42 TUNER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < CORD > 8-729-027-31 TRANSISTOR DTA124EKA-T146 8-729-027-52 TRANSISTOR DTC124EKA-T146 9-939-916-01 CORD (WITH PHONO PLUG) 8-729-901-47 TRANSISTOR DTA143EK 8-729-027-31 TRANSISTOR DTA124EKA-T146 < COIL > 8-729-900-53 TRANSISTOR DTC114EK 1-421-961-41 COIL, CHOKE 450uH 8-729-900-53 TRANSISTOR DTC114EK...
  • Page 43 TUNER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-049-11 RES,CHIP 1/10W 1-216-041-11 METAL CHIP 1/10W (CN) 1-216-089-00 RES,CHIP 1/10W 1-216-035-00 RES,CHIP 1/10W (US) (US) 1-216-089-00 RES,CHIP 1/10W 1-216-081-00 METAL CHIP 1/10W (US) (CN) 1-216-041-11 METAL CHIP 1/10W 1-216-049-11 RES,CHIP 1/10W...
  • Page 44 TUNER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R127 1-216-097-00 RES,CHIP 100K 1/10W R194 1-216-099-00 METAL CHIP 120K 1/10W R128 1-216-097-00 RES,CHIP 100K 1/10W R195 1-216-081-00 METAL CHIP 1/10W R129 1-216-065-00 RES,CHIP 4.7K 1/10W R196 1-216-057-00 METAL CHIP 2.2K...
  • Page 45 TUNER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R246 1-216-001-00 METAL CHIP 1/10W R305 1-216-049-11 RES,CHIP 1/10W R247 1-216-022-00 METAL CHIP 1/10W R306 1-216-065-00 RES,CHIP 4.7K 1/10W R248 1-216-057-00 METAL CHIP 2.2K 1/10W R307 1-216-065-00 RES,CHIP 4.7K 1/10W...
  • Page 46 XTL-750W TUNER MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TUNER > PARTS FOR INSTALLATION AND CONNECTIONS *************************************** 9-884-238-01 TUNER UNIT (CN) 9-884-244-01 TUNER UNIT (US) 3-310-656-01 TAPE, MAGIC 3-310-658-01 TAPE (B), MAGIC < VARIABLE RESISTOR >...

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