Sony TA-FA777ES Service Manual ▷ View online
MICROFILM
SERVICE MANUAL
INTEGRATED STEREO AMPLIFIER
AEP Model
SPECIFICATIONS
TA-FA777ES
2
TABLE OF CONTENTS
1.
GENERAL
Location of Controls .......................................................
3
2.
DISASSEMBLY
.........................................................
4
3.
ELECTRICAL ADJUSTMENT
............................
6
4.
DIAGRAMS
4-1. Notes for Printed Wiring Boards
and Schematic Diagrams ................................................
7
4-2. Printed Wiring Boards
– INPUT/MAIN-B(L)/MAIN-B(R) Boards – ................
8
4-3. Schematic Diagram
– INPUT(1/2)/MAIN-B(L)/MAIN-B(R) Boards – ........
9
4-4. Printed Wiring Boards – BALANCE/FUNCTION SW/
SP TM/HP/TONE CONTROL/PRO.LED Boards – ...... 10
4-5. Schematic Diagram – BALANCE/FUNCTION SW/
SP TM/INPUT(2/2)/HP/TONE CONTROL(2/2)/
PRO.LED Boards – ......................................................... 11
PRO.LED Boards – ......................................................... 11
4-6. Printed Wiring Boards – MAIN-A/RV/REC OUT/
PS PRE/PS/OUTLET Boards – ...................................... 12
4-7. Schematic Diagram – MAIN-A/
TONE CONTROL(1/2)/RV/REC OUT/PS PRE/PS/
OUTLET Boards – .......................................................... 13
OUTLET Boards – .......................................................... 13
5.
EXPLODED VIEWS
................................................ 14
6.
ELECTRICAL PARTS LIST
............................... 17
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 PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
3
SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
LOCATION OF CONTROLS
4
FRONT PANEL, TOP board, BOTTOM board
SUB CHASSIS, FUN-SW BOARD
Note:
Follow the disassembly procedure in the numerical order given.
SECTION 2
DISASSEMBLY
8
three screws
(BV 3
(BV 3
×
8)
0
two screws
(B 4
(B 4
×
20)
qs
three screws
(BV 3
(BV 3
×
8)
0
three screws
(B 4
(B 4
×
20)
qa
three foots
qs
five screws
(BV 3
(BV 3
×
8)
qd
bottom board
1
four screws
(FLAT HEAD)
(FLAT HEAD)
1
four screws
(FLAT HEAD)
(FLAT HEAD)
2
top board
qa
two foots
7
two screws
(BV 3
(BV 3
×
8)
9
front panel
6
knob (DIA.68)
5
screw
3
screw
4
knob (DIA.48)
5
sub chassis
1
two screws
(BV 3
(BV 3
×
8)
2
shield plate
1
four screws
(BV 3
(BV 3
×
8)
qd
rotary switch
(remote type)
(remote type)
4
four screws
(BV 3
(BV 3
×
8)
qg
FUN-SW board
4
two screws
(BV 3
(BV 3
×
8)
qf
nut
qa
light interception sheet (B)
0
knob (DIA.29)
4
four screws
(BV 3
(BV 3
×
8)
4
screw
(BV 3
(BV 3
×
8)
7
power botton
assy
assy
8
two screws
( 3
( 3
×
6)
9
switch, push
(AC power)
(AC power)
3
connector
(CN806)
(CN806)
6
two connectors
(CN807, 808)
(CN807, 808)
qh
connector
(CN304)
(CN304)
qs
nut