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Extracted text from Sony ST D777ES Service Manual (Ocr-read)
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TABLE OF CONTENTS
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH
MARK 0 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.
1. GENERAL ·······································································3
2. TEST MODE ·································································12
3. ELECTRICAL ADJUSTMENTS ·····························14
4. DIAGRAMS ···································································17
4-1. BLOCK DIAGRAM··························································17
4-2. CIRCUIT BOARDS LOCATION·····································18
4-3. PRINTED WIRING BOARD MAIN SECTION············19
4-4. SCHEMATIC DIAGRAM MAIN SECTION (1/4)········20
4-5. SCHEMATIC DIAGRAM MAIN SECTION (2/4)········21
4-6. SCHEMATIC DIAGRAM MAIN SECTION (3/4)········22
4-7. SCHEMATIC DIAGRAM MAIN SECTION (4/4)········23
4-8. SCHEMATIC DIAGRAM DISPLAY SECTION···········24
4-9. PRINTED WIRING BOARD DISPLAY SECTION······25
4-10. SCHEMATIC DIAGRAM POWER SECTION·············26
4-11. PRINTED WIRING BOARD POWER SECTION········27
4-12. IC PIN FUNCTION DESCRIPTION·······························28
4-13. IC BLOCK DIAGRAMS··················································31
5. EXPLODED VIEWS ····················································34
5-1. FRONT PANEL SECTION···············································34
5-2. MAIN SECTION·······························································35
6. ELECTRICAL PARTS LIST ····································36
SERVICE POSITION
- The service position of the MAIN board is the state in which the back-panel is removed
and the MAIN board is swing-raised by 90 °.
(An insulating material is necessary to prevent the machine from shorting.)
Insulating material MAIN board
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SECTION 1
GENERAL
FRONT PANEL
REAR PANEL
1 234
87 6 5
9
qd qa0 qs qf
qg
1 2 3 4 5 6 7 8
1?/1 switch
2DAB button
3FM button
4AM button
5TUNING MODE button
6PTY button
7TUNING/SELECT button
8MENU button9ENTER button
0MEMORY button
qaCHARACTER button
qsMONO/SC button
qdDISPLAY MODE button
qfEON button
qgDISPLAY button
1DAB RDI OUT OPTICAL jack
2DAB DIGITAL OUT COAXIAL jack
3DAB DIGITAL OUT OPTICAL jack
4ANTENNA DAB jack
5ANTENNA FM jack
6ANTENNA AM terminal
7ANALOG OUT jack
8POWER cord