Sony TCS-3 Service manual
TC-S3
SERVICE MANUAL
Ver 1.0 2001.04
TC-S3 is the Tape deck section
in MHC-S7AV/SV7AV/S3.
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol ; are trademarks of Dolby Laboratories Licensing Corporation.
Tape deck
Section T ape Tr ansport Mechanism Type
SPECIFICATIONS
AEP Model
UK Model
E Model
Australian Model
Model Name Using Similar Mechanism NEW
TCM-230AWR41/
230MWR41
Recording system 4-track 2-channel stereo
Frequency response 60 – 13,000 Hz (±3 dB),
(DOLBY NR OFF) using Sony TYPE I
Wow and flutter ±0.15% W.Peak (IEC)
Dimensions (w/h/d)
Mass Approx. 2.4 kg
Design and specifications are subject to change
without notice.
cassette,
60 – 14,000 Hz (±3 dB),
using Sony TYPE II
cassette
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
Approx. 280 x 128 x 330 mm
9-873-837-11 Sony Corporation
2001D0500-1 Home Audio Company
C 2001.4 Shinagawa Tec Service Manual Production Group
STEREO CASSETTE DECK
TC-S3
TABLE OF CONTENTS
1. SERVICING NOTES ................................................ 3
2. GENERAL
Location of Controls ....................................................... 4
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 6
3-2. Cover ............................................................................... 6
3-3. MAIN Board ................................................................... 7
3-4. Front Panel Section ......................................................... 7
3-5. Tape Mechanism Deck
(TCM-230AWR41/230MWR41).................................... 8
3-6. LEAF SW Board, HEAD (A) Board,
HEAD (B) Board ............................................................ 8
4. TEST MODE.............................................................. 9
5. MECHANICAL ADJUSTMENTS....................... 10
6. ELECTRICAL ADJUSTMENTS......................... 10
7. DIAGRAMS
7-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 13
7-2. Schematic Diagram – MAIN Section (1/2) –................ 14
7-3. Schematic Diagram – MAIN Section (2/2) –................ 15
7-4. Printed Wiring Board – MAIN Section – ...................... 16
7-5. Schematic Diagram – LEAF SW Section – ................. 17
7-6. Printed Wiring Board – LEAF SW Section – ............... 17
7-7. Schematic Diagram – PANEL Section – ....................... 18
7-8. Printed Wiring Boards – PANEL Section – .................. 18
7-9. IC Pin Function Description ........................................... 19
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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 MANU AL OR IN SUPPLEMENTS PUBLISHED BY SONY.
8. EXPLODED VIEWS
8-1. General Section ............................................................... 21
8-2. Front Panel Section ......................................................... 22
8-3. T a pe Mechanism Deck Section-1
(TCM-230AWR41/230MWR41) .................................... 23
8-4. T ape Mechanism Deck Section-2
(TCM-230AWR41/230MWR41) .................................... 24
9. ELECTRICAL PARTS LIST ............................... 25
2
SECTION 1
SERVICING NOTES
TC-S3
This set is a component of the MHC-S7AV, MHC-SV7AV and
MHC-S3.
The MHC-S7AV/SV7A V/S3 system configuration is as sho wn below , and therefore 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.
System Configuration:
AC IN
TA
POWER SUPPLY
ST
SYSTEM & CD µcon
• MODEL IDENTIFICATION
– Rear Panel –
PART No.
Model PART No.
AEP and UK models 4-233-093-0
Australian, Saudi Arabia
and Korean models
Sigapore model 4-233-093-2
Thailand and Mexican models 4-233-093-3
4-233-093-1[]
[]
[]
[]
DISPLAY
CDP
TC
TC µcon
3
TC-S3
LOCATION OF CONTROLS
– Front Panel –
>
M
th
m
.
tg
H
tf
h
td
x
ts
A A
ta
AUTO REVERSE
hH
AUTO REVERSE
hH
rgrhrjrkrlt;
SECTION 2
GENERAL
>
M
el
m
.
r;
H
ra
h
rs
x
rd
rf
This section is extracted from
instruction manual.
CD SYNC rh (20, 21)
DIRECTION t; (19, 20, 21)
DOLBY NR rl (19, 20)
EDIT rk (21)
HI-DUB rj (20)
REC PAUSE/START rg (20, 21)
– Deck A –
N (forward play) tf (19, 35)
n (reverse play) td (19, 35)
x (stop) ts (19)
M/> (fast forward/go
forward) th (19)
m/. (rewind/go back) tg
(19)
Z (eject) ta (19)
– Deck B –
N (forward play) ra (19, 20, 35)
n (reverse play) rs (19, 20, 35)
x (stop) rd (19, 20)
M/> (fast forward/go
forward) el (19)
m/. (rewind/go back) r;
(19)
Z (eject) rf (19)
– Rear Panel –
1 SYSTEM CONTROL 5 connector
(FROM CDP-S3/MCE-VS77)
2 SYSTEM CONTROL 4 connector
(FROM ST-S5/S3/VS77)
21
4
Remote Control
TC-S3
123
CD H es (14, 15)
CHECK 5 (15)
CLEAR 6 (15)
CLOCK/TIMER SELECT qj
(30)
CLOCK/TIMER SET qk (13, 21,
29)
DBFB qg (23)
DISPLAY ws (13, 16, 18, 29, 35)
D.SKIP 4 (14)
ENTER wg (10, 12, 13, 15, 17,
18, 21, 22, 26–30)
EQ qd (27)
EQ ON/OFF qf (10, 28)
FUNCTION wf (10, 14, 15, 20,
21, 31)
GROOVE wa (23)
es
ea
e;
wl
wk
wj
wh
wg
wf
wd
ws
wa
w;
H
hH
hH
.
>
Mm
O
Pp
o
4
5
6
7
x
8
9
X
q;
qa
qs
qd
qf
qg
qh
ql
qk
qj
SET UP qs (10, 12, 26, 28, 29)
SLEEP 7 (29)
SUR wd (25)
TAPE A hH ea (19, 35)
TAPE B hH e; (19, 20, 35)
TUNER/BAND wl (17)
TUNING + 9 (17)
TUNING – wh (17)
TV CH +/– ql
TV VOL +/– w;
TV @/1 2
TV/VIDEO 1
VOL +/– qh
BUTTON DESCRIPTIONS
@/1 (power) 3
X (pause) q;
x (stop) 8
. (go back) wk
> (go forward) wj
m (rewind) wh
M (fast forward) 9
O/o/P/p qa
6
5
TC-S3
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
SET
3-2. COVER
(Page 6)
SECTION 3
DISASSEMBLY
3-3. MAIN BOARD
(Page 7)
Note: Follow the disassembly procedure in the numerical order given.
3-4. FRONT PANEL SECTION
(Page 7)
3-5. TAPE MECHANISM DECK
(TCM-230AWR41/230MWR41)
(Page 8)
3-6. LEAF SW BOARD, HEAD (A) BOARD, HEAD (B) BOARD
(Page 8)
3-2. COVER
2
two screws
(case 3 TP2)
4
Remove the cover in the
direction of arrow
3
A
1
three screws
.
A
(BVTP3
3
×
8)
2
two screws
(case 3 TP2)
6
3-3. MAIN BOARD
2
5
connector
(CN1)
1
wire (flat type) (17 core)
(CN311)
MAIN board
2
three connectors
(CN309, 310, 314)
3
three screws
(BVTP3
3
×
8)
screw
(BVTP3
×
8)
TC-S3
3-4. FRONT PANEL SECTION
6
two claws
2
connector
(CN1)
3
screw
(BVTP3
4
PC board holder
2
connector
(CN2)
1
wire (flat type) (17 core)
(CN311)
2
connector
×
8)
4
lug
(CN314)
7
front panel section
5
three screws
(BVTP3
2
connector
(CN2)
6
three claws
×
8)
7
TC-S3
)
3-5. TAPE MECHANISM DECK (TCM-230AWR41/230MWR41)
4
tape mechanism deck (TCM-230AWR41/230MWR41)
1
Open the
cassette holder (L)/(R).
3
lug
2
five screws
(BVTP2.6
×
8
3-6. LEAF SW BOARD, HEAD (A) BOARD, HEAD (B) BOARD
2
five claws
5
head (A) board
4
screw (+PTT 2
×
4)
3
LEAF
SW board
1
7
Remove the four solderings.
head (B) board
6
screw (+PTT 2
×
4)
8
SECTION 4
TEST MODE
TC-S3
Note: Use following buttons in the test mode.
no mark: Button of Tape unit (TC-S3)
*1 : Button of amplifier unit (TA-S7AV or TA-S3)
*2 : Button of CD unit (CDP-S3)
[MC Test Mode]
Enter the MC Test Mode
Procedure:
1. Press the I/1 *1 button to turn the power on.
2. While pressing the both [PLAY MODE]*2 and [ ]*2 buttons,
press the [DISC 3]*2 button.
3. “GROOVE” indication blinks on the fluorescent indicator tube
in the midst of MC test mode.
Releasing the MC Test Mode
To release from this mode, press the I/1 *1 button or disconnect
the power cord.
x
[DECK Test Mode]
In the DECK test mode, it operates as follows.
Cancellation of the linear mute of DOLBY IC (IC301)
• It become cancellation automatically when it is possible to en-
ter a MC test mode.
AMS checking
Procedure:
1. Enter the MC test mode.
2. Insert a test tape AMS-110A or AMS-120 to Deck A.
3. Set TAPE A function.
4. Press the [CD SYNC] button to enter the AMS test mode.
5. After a tape is rewound first, the FF AMS is checked, and the
mechanism is shut off after detecting the ASM signal twice.
6. Then the REW AMS is checked and the mechanism is shut off
after detecting the AMS signal twice.
7. When the check is complete, a message of either OK or NG
appears.
(To check an AMS of the B deck, select TAPE B function.
After that, press
[CD SYNC].)
ALC checking
Procedure:
1. Enter the MC test mode.
2. Insert a tape into Deck B.
3. During Recording, Keep holding down the below keys.
Double speed REC mode
Procedure:
1. Enter the MC test mode
2. Insert a tape into Deck B.
3. During Recording, keep holding down the below key.
2
[ ]*
+ [REC PAUSE/START]
x
ALC could keep ON while these keys keep being pressed, ALC
could keep OFF while keys are released.
[HI-DUB]
Double speed recording is going on while the key keeps being
pressed.
REC/PLAY checking
• The mode to PLAY by rewinding recording contents automatically.
Procedure:
1. If recording A surface, it returns automatically at the point of
the recording beginning and it replays when pressing
TAPE B [ ].
2. If recording B surface, it returns automatically at the point of
the recording beginning and it replays when pressing
TAPE B [ ].
M
m
9
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