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XAV-7W SERVICE MANUAL AEP Model UK Model Ver 1.1 2002.09 The XAV-7W is composed of the following models. Media Center XAV-7W Connection Box XA-114 Wireless Remote Commander RM-X118 SPECIFICATIONS Front audio (1) MW/LW Outputs Media center/receiver Rear audio (1) T uning range...
XAV-7W Ver 1.1 TABLE OF CONTENTS Connection box SERVICING NOTES ..........3 Inputs Video/audio (Sony bus compatible, 1) GENERAL BUS control input connector (1) ..............5 Video/audio (2) Video/audio (1) Outputs DISASSEMBLY Connection to main unit 3-1. Disassembly Flow ............9 Dedicated 22-pin connector Dimensions Approx.
XAV-7W SECTION 1 SERVICING NOTES OPENING AND CLOSING OF THE MONITOR IN AN ELECTRIC INTERRUPTION STATE In the state of electric interruption, if a monitor is opened and closed by force, it will became the cause of failure. Please open and close a monitor at the time of repair after the following procedure decomposes and removing a motor.
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XAV-7W JIG ON REPAIRING When repairing this set, etc., connect the extension cable as the figure shown below. extension cable (main board – monitor board) (Part No. J-2502-056-3) extension cable (LCD unit – monitor board) (Part No. J-2502-051-1) extension cable (monitor board –...
XAV-7W SECTION 2 This section is extracted from instruction manual. GENERAL Location of Controls Main unit Card remote commander Monitor closed The unit can be operated with the card remote commander. For safety, stop the car before using the card remote commander, or have a passenger operate it.
XAV-7W When removing front panel plate Installing the connection box XA-114 Installation procedure Mounting example Cut off the required length of hook-and-loop fastener 8 and fix the connection box 1 on the carpet or similar. When installing this unit, be sure to close the monitor of the unit.
Be sure to connect the parking cord (Light green) to the parking brake switch cord. The mounting position of the parking brake switch cord depends on your car. Refer to the system connection diagram below and consult your car dealer or your nearest Sony dealer for further details. DVX-100 or video...
XAV-7W Power connection diagram 4 After Installation and Connections Auxiliary power connector may vary depending on the car. Check your car’s auxiliary power connector diagram to make sure the connections match correctly. There are three basic types (illustrated below). You may need to switch the positions of the red and yellow leads in the car stereo’s power connecting cord.
XAV-7W SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. FRONT PANEL ASSY (Page 9) 3-3. CASE (UPPER) ASSY (Page 10) 3-5. MOTOR ASSY (M701) 3-6. SETTING OF LEAD FROM MOTOR ASSY (M701) 3-4.
XAV-7W SECTION 4 ASSEMBLY Note: Follow the assembly procedure in the numerical order given. 4-1. ASSEMBLY OF FLAT CABLE 1 flat cable 40P Note: Turn the point-of-contact side up, bend to flexible retainer a valley type in a 250 mm portion, and make a crease.
ELECTRICAL ADJUSTMENTS EQUIPMENT USED 7.5V ADJUSTMENT Use the following measuring equipment for the electrical Connection: degital adjustment. voltmeter • Set (XAV-7W) TP58 • Connection box (XA-114) • PAL pattern generator (XAV-7W) • Oscilloscope – • Frequency counter • Digital voltmeter TP152 (GND) •...
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XAV-7W γ 0 ADJUSTMENT BRIGHT ADJUSTMENT Connection: Connection: INPUT1 INPUT1 VIDEO jack VIDEO jack PAL pattern PAL pattern generator generator connection box connection box (XA-114) (XA-114) TP65 TP77 degital voltmeter osclloscope (XAV-7W) (XAV-7W) – – TP152 (GND) TP152 (GND) Adjusting Procedure: Adjusting Procedure: 1.
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XAV-7W FREE-RUN FREQUENCY ADJUSTMENT B SUB BRIGHT ADJUSTMENT Connection: Connection: frequency INPUT1 counter VIDEO jack TP70 PAL pattern generator (XAV-7W) – connection box (XA-114) TP152 (GND) TP78 Adjusting Procedure: osclloscope 1. Place the monitor in the no signal input status.
XAV-7W SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – MAIN Section – SA DATA, SA CLK (Page 22) CN2 (2/7) LOW-PASS ADSO FILTER CONTROL SWITCH INPUT SELECT, FM MPX BU +5V IC101 AU-L ELECTRICAL VOLUME TU +8.5V FROM IC302 CONNECTION TU +5V...
BUS ON BUS ON BUS ON BUS ON BUS ON BUS ON SWITCH BUS-ON SWITCH Q753 BU CHK BU IN D759 TH752 B/U-C BU CHK BATT BATTERY SWITCH D764 SONY BUS INTERFACE IC751 D765 LINK-OFF BATTERY BACK-UP B+ DETECT Q754...
XAV-7W 6-5. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •...
XAV-7W Ver 1.1 6-8. SCHEMATIC DIAGRAM – MAIN Board (3/5) – • • See page 26 for Waveforms. See page 47 for IC Block Diagram. (Page 30) TO CONNECTION BOX(XA-114) D912 1SR154 TH901 (3/5) AMP-REM D910 1SR154 TH900 ANT-REM Q900(1/2)
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XAV-7W IC302 TDA7406 MIXER SPECTRUM SACLK ANALYZER FRONT REAR OUTPUT SELECTOR SWIN 34 ACINR 35 MAIN WOOFER FILTER ACOUTR 36 QUAL HIGH-CUT QUAL PULSE S & H SWACOUT 37 FORMER 25kHz ACOUTL 38 7 BAND EQUALIZER MULTIPATH MPOUT DEMODULATOR DETECTOR...
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XAV-7W IC50 SAA6588T/V2-118 IC751 BA8270F-E2 BUS ON BUS ON SWITCH RESET PAUSE POWER SUPPLY SWITCH & RESET DETECTOR MULTI BUS ON PATH 57kHz CLK IN DETECTOR BATTERY 8th ORDER BATT BU IN SWITCH BAND-PASS FILTER CLOCKED SIGNAL QUALITY COMPARATOR DECODER...
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XAV-7W – MONITOR Board – IC201 IR3Y29B4 18 17 24 23 22 B DC DET SYNC GAMMA 2 GAMMA 0 RGB AMPLITUED ADJUST CHROMA OUT ACC FILTER KILLER FILTER BRIGHT SUB BRIGHT B SUB BRIGHT R INT/EXT SW R-Y G-Y B-Y...
XAV-7W 6-26. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC2 MB90096PF-G-238-BND-ER (ON SCREEN DISPLAY CONTROLLER) Pin No. Pin Name Description CPOUT Horizontal period phase comparison result signal output terminal Not used AVSS — Ground terminal (for internal VCO) VCOIN Internal VCO voltage input terminal Not used AVSS —...
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2 to 4 Not used Audio line and power amplifier muting on/off control signal output “H”: muting on SYSRST Reset signal output to the SONY bus interface and display controller “L”: reset Not used — Power supply terminal (+5V) Not used...
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Sub system clock input terminal (32.768 kHz) DAVN Synchronized detection signal of RDS data block input from the RDS decoder “L” active Not used Battery detection signal input from the SONY bus interface BU IN “L” is input at low voltage Not used...
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XAV-7W Pin No. Pin Name Description Auto dimmer control illumination line detection signal input ILL-IN “L” is input at dimmer detection LODPLS Motor rotation pulse signal input from the monitor open/close motor rotation detection sensor MOPEN Monitor open/close motor control signal (open direction control) output “H” active MCLOSE Monitor open/close motor control signal (close direction control) output “H”...
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Not used — Ground terminal 29 to 33 Not used BU IN Battery detection signal input from the SONY bus interface “L” is input at low voltage 35, 36 — Ground terminal Not used BUSON Bus on/off control signal input from the master controller “L”: bus on —...
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Spectrum analyzer display serial data transfer clock signal output to the electrical volume SA ENIN Enable signal input for spectrum analyzer display from the master controller “H” active UNISO Serial data output to the SONY bus interface UNISI Serial data input from the SONY bus interface 99, 100 —...
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XAV-7W Pin No. Pin Name Description Not used OSDC DISP Display outputs control signal output to the on screen display controller Not used 123 to 125 MD0 to MD2 Setting terminal for the CPU operational mode (fixed at “H” in this set)
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XAV-7W • MONITOR BOARD IC401 LZ9GJ24 (LIQUID CRYSTAL DISPLAY DRIVER (FOR MONITOR)) Pin No. Pin Name Description Vertical sync signal input (positive polarity) CVOP Vertical sync isolation signal output MON E Test setting output terminal Not used Horizontal sync signal output to the on screen display controller, video interface and display controller (negative polarity) —...
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XAV-7W Pin No. Pin Name Description Phase comparation output terminal — Ground terminal Test setting output terminal Not used 41, 42 — Ground terminal OSCO Clock oscillator circuit output terminal OSCI Clock oscillator circuit input terminal — Power supply terminal (+5V) —...
XAV-7W SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •...
XAV-7W 7-2. CASE (UPPER) ASSY SECTION Note: This illustration is being written under the condition that a cover (upper) assy is overturned. main board Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-241-402-01 CASE (UPPER) 1-824-238-11 CORD, CONNECTION (ANT)
XAV-7W Ver 1.1 SECTION 8 ELECTRICAL PARTS LIST ANGLE FRONT NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference number, please include the board. parts list may be different from the parts speci- are seldom required for routine service.
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XAV-7W Ver 1.1 FRONT MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > < SWITCH > R110 1-216-198-00 RES-CHIP 1/8W LSW965 1-771-476-11 SWITCH, KEY BOARD (WITH LED) (OFF) R111 1-216-198-00 RES-CHIP 1/8W LSW966 1-771-476-11 SWITCH, KEY BOARD (WITH LED) (DISC +)
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XAV-7W REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2002.06...