Sony MHC-S3 / TA-S3 Service Manual ▷ View online
2
TA-S3
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.
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
...................................................................
4
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
5
3-2. Cover ...............................................................................
6
3-3. Front Panel Section .........................................................
6
3-4. Back Panel (2CH/VCD) Section ....................................
7
3-5. FRONT AMP Board .......................................................
7
4.
TEST MODE
..............................................................
8
5.
DIAGRAMS
5-1. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 10
5-2. Printed Wiring Boards – FRONT AMP Section – ........ 11
5-3. Schematic Diagram – FRONT AMP Section (1/2) – .... 12
5-4. Schematic Diagram – FRONT AMP Section (2/2) – .... 13
5-5. Printed Wiring Boards – CONTROL Section – ............ 14
5-6. Schematic Diagram – CONTROL Section – ................. 15
5-7. Printed Wiring Boards – POWER Section – ................. 16
5-8. Schematic Diagram – POWER Section – ..................... 17
5-9. IC Pin Function Description ........................................... 18
5-3. Schematic Diagram – FRONT AMP Section (1/2) – .... 12
5-4. Schematic Diagram – FRONT AMP Section (2/2) – .... 13
5-5. Printed Wiring Boards – CONTROL Section – ............ 14
5-6. Schematic Diagram – CONTROL Section – ................. 15
5-7. Printed Wiring Boards – POWER Section – ................. 16
5-8. Schematic Diagram – POWER Section – ..................... 17
5-9. IC Pin Function Description ........................................... 18
6.
EXPLODED VIEWS
6-1. Cover Section .................................................................. 18
6-2. Front Panel Section ......................................................... 19
6-3. Chassis Section ............................................................... 20
6-2. Front Panel Section ......................................................... 19
6-3. Chassis Section ............................................................... 20
7.
ELECTRICAL PARTS LIST
............................... 21
3
TA-S3
SECTION 1
SERVICING NOTES
This set is a component of the MHC-S3.
The MHC-S3 system configuration is as shown below, and there-
fore it does not operate normally unless all four components are
connected.
In performing the repair, connect all components with the system
cables.
The MHC-S3 system configuration is as shown below, and there-
fore it does not operate normally unless all four components are
connected.
In performing the repair, connect all components with the system
cables.
Note:
The precaution to the users is described on the label stuck on the
back panel (CD player) and in the troubleshooting section in the
Operation Manual.
back panel (CD player) and in the troubleshooting section in the
Operation Manual.
System Configuration:
POWER SUPPLY
AC IN
TA
SYSTEM & CD
µ
con
ST
CDP
TC
µ
con
TC
DISPLAY
FRONT AMP BOARD SERVICE POSITION
In checking the FRONT AMP board, prepare jig
(extension cable J-2501-087-A: 1.25 mm Pitch, 23 core, Length
300 mm)
(Fig A)
(extension cable J-2501-087-A: 1.25 mm Pitch, 23 core, Length
300 mm)
(Fig A)
(Fig A)
Turn over the FRONT AMP board with Heat Sink, THP board
and RELAY board connected.
and RELAY board connected.
Remove the back panel
(2CD/VCD) section.
(2CD/VCD) section.
Remove the fan motor
connector lead wire.
connector lead wire.
FRONT AMP board
(CN104)
(CN104)
Connect jig (extension
cable J-2501-087-A
to the FRONT AMP board (CN104)
and PANEL board (CN700).
cable J-2501-087-A
to the FRONT AMP board (CN104)
and PANEL board (CN700).
PANEL board (CN700)
4
TA-S3
SECTION 2
GENERAL
This section is extracted from
instruction manual.
instruction manual.
Parts Identification
The items are arranged in alphabetical order.
Refer to the pages indicated in parentheses ( ) for details.
P
o
O
p
6
3 4 5
7
8
2
9
q;
qa
qs
qd
qf
qg
1
DIGITAL 9 (28, 32)
ENTER/O/o/P/p 2 (9, 12, 18,
ENTER/O/o/P/p 2 (9, 12, 18,
19, 22–27)
EQ qa (24)
EQ ON/OFF qs (9, 24)
FILE SELECT q; (20, 24)
FUNCTION 8 (9, 11, 12, 17, 18,
EQ ON/OFF qs (9, 24)
FILE SELECT q; (20, 24)
FUNCTION 8 (9, 11, 12, 17, 18,
28)
GROOVE 5 (20)
MOVIE MODE 4 (20, 21)
MULTI CHANNEL DECODING
MOVIE MODE 4 (20, 21)
MULTI CHANNEL DECODING
indicator 6 (22)
MUSIC MODE 3 (20, 21)
PHONES jack qg
SET UP qd (23–26)
SUR qf (22)
VOLUME 7
@/1 (power) 1 (8, 9, 32)
PHONES jack qg
SET UP qd (23–26)
SUR qf (22)
VOLUME 7
@/1 (power) 1 (8, 9, 32)
Main unit
A/V amplifier
x
hH
H
hH
O
o
P
p
M
m
X
>
.
1
wa
qf
9
wf
wd
ws
qj
2
3
4
5
0
qs
qa
qd
6
7
8
qh
qg
ql
qk
w;
wk
wj
wh
wg
Remote Control
CD H wk (11, 12)
CHECK 3 (12)
CLEAR 4 (12)
CLOCK/TIMER SELECT qg
CHECK 3 (12)
CLEAR 4 (12)
CLOCK/TIMER SELECT qg
(19, 27)
CLOCK/TIMER SET qh (9, 18,
26)
DBFB qd (20)
DISPLAY qk (10, 13, 15, 26, 32)
D.SKIP 2 (11)
ENTER wa (9, 12, 14, 15, 18, 19,
DISPLAY qk (10, 13, 15, 26, 32)
D.SKIP 2 (11)
ENTER wa (9, 12, 14, 15, 18, 19,
22–27)
EQ qa (24)
EQ ON/OFF qs (9, 24)
FUNCTION w; (9, 11, 12, 17, 18,
EQ ON/OFF qs (9, 24)
FUNCTION w; (9, 11, 12, 17, 18,
28)
GROOVE qj (20)
SET UP q; (23–26)
SLEEP 5 (26)
SUR ql (22)
TAPE A hH wj (16)
TAPE B hH wh (16, 17)
TUNER/BAND wg (14)
TUNING + 7 (14)
TUNING – ws (14)
VOL +/– qf
SET UP q; (23–26)
SLEEP 5 (26)
SUR ql (22)
TAPE A hH wj (16)
TAPE B hH wh (16, 17)
TUNER/BAND wg (14)
TUNING + 7 (14)
TUNING – ws (14)
VOL +/– qf
BUTTON DESCRIPTIONS
@/1 (power) 1
X (pause) 8
x (stop) 6
. (go back) wf
> (go forward) wd
m (rewind) ws
M (fast forward) 7
O
X (pause) 8
x (stop) 6
. (go back) wf
> (go forward) wd
m (rewind) ws
M (fast forward) 7
O
/o/P/p 9
5
TA-S3
• This set can be disassembled in the order shown below.
3-1.
DISASSEMBLY FLOW
SECTION 3
DISASSEMBLY
3-2. COVER
(Page 6)
3-3. FRONT PANEL SECTION
(Page 6)
3-4. BACK PANEL (2CH/VCD) SECTION
(Page 7)
3-5. FRONT AMP BOARD
(Page 7)
SET
Note 1: The process described in can be performed in any order.
Note 2: Without completing the process described in , the next process can not be performed.
