Sony TAVE-800-G Service manual

TA-VE800G

SERVICE MANUAL

SPECIFICATIONS

AEP Model

UK Model

MICROFILM

INTEGRATED AV AMPLIFIER

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TABLE OF CONTENTS

1. SERVICE NOTE ........................................................... 3

2. GENERAL .................................................................... 4

3. DISASSEMBLY .......................................................... 22

4. ELECTRICAL ADJUSTMENT ..................................... 23

5. DIAGRAMS

5-1. Circuit Boards Location ..................................................... 25

5-2. Printed Wiring Board — Surround Section —...................27

5-3. Schematic Diagram — Surround Section — ..................... 31

5-4. Schematic Diagram — OSD Section — ............................ 35

5-5. Printed Wiring Board — OSD Section —.......................... 39

5-6. Printed Wiring Board — Amp Section — .......................... 43

5-7. Schematic Diagram — Amp Section —............................. 47

5-8. Schematic Diagram — Display Section — ........................ 50

5-9. Printed Wiring Board — Display Section — ..................... 53

5-10. IC Block Diagrams

— Surround Section — ......................................................57

— OSD Section — ............................................................. 59

— Amp Section — ............................................................. 60

— Display Section —......................................................... 61

5-11. IC Pin Function

• IC107 Display control

(MB90673PF-G-166-BND) ............................................62

• IC205 OSD

(MB90095PF-G-161-BND) ............................................64

• IC209 OSD Controller

(MB90672PF-G-125-BND) ............................................65

• IC215 RC Controller

(S-1810CF-049) .............................................................. 67

6. EXPLODED VIEWS

6-1. Case and Front Panel Section ............................................. 68

6-2. Back Panel Section ............................................................. 69

6-3. Chassis Section...................................................................70

7. ELECTRICAL PARTS LIST ..................................... 71

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be damaged by heat.

SAFETY-RELATED COMPONENT WARNING !!

COMPONENTS IDENTIFIED BY MARK ! OR DO TTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

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SECTION 1

SERVICE NOTE

ALL CLEAR

Mode which erases all the user memories registered in this unit and sets to setting at shipment.

Method:

1. With the po wer turned OFF , press the PO WER button while pressing the TAPE MONITOR button and VIDEO 2 button simultaneously to turn ON the power.

2. ALL CLEAR ! will be displayed on the fluorescent indicator tube, and ALL CLEAR will be executed.

FACTORY SET

Mode which sets the memory of the unit to the setting of adjustment and check at factory. (Not used for servicing.)

Method:

1. With the po wer turned OFF , press the PO WER button while pressing the SPEAKER button and T APE b utton simultaneously to turn ON the power.

2. FACTORY SET will be displayed on the fluorescent indicator tube, and FACTORY SET will be executed.

Note: In case you return the unit to the customer, do not perform FACTRY SET. If you do it, perform ALL CLEAR.

Fluorescent indicator tube, LED all lit mode and key chec k mode

Adjustment of OSD Screen Position

The position of the screen can be adjusted freely to correct the deviation of the OSD screen caused by the monitor type that users are using.

1. Move the cursor of the remote commander attached, and display the OSD screen.

2. Click the MAIN MENU FUNCTION of the OSD screen.

3. Next click TV SET.

4. Next click GRAPHIC POSITION SET.

5. The screen for adjusting the OSD screen position will be displayed. Adjust the position with the remote commander attached.

6. Click EXIT to end.

Method:

1. With the po wer turned OFF , press the PO WER button while pressing the TAPE MONITOR button, VIDEO 1 button, and VIDEO 2 button simultaneously to turn ON the power.

2. The fluorescent display tubes and LEDs will all light up.

3. The display will change as follows each time buttons other than GENRE and MODE are pressed. Therefore, it can be checked if buttons have been input properly by whether the display changes.

Fluorescent indicator tubes, LEDs are all lit

Partial lighting of fluorescent indicator tube 1, LEDs are OFF *1

Partial lighting of fluorescent indicator tube 2, LEDs are OFF *1

Fluorescent indicator tube and all LEDs are OFF *1

Press any button

NNN

*1 Those other than the POWER LED go OFF.

4. To exit the mode, press the POWER button to turn OFF the

power.

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