MHC-S9D, TC-S9 - Sony Audio Service Manual (repair manual)

Model
MHC-S9D TC-S9
Pages
28
Size
2.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
mhc-s9d-tc-s9.pdf
Date

View Sony MHC-S9D / TC-S9 Service Manual online

SERVICE MANUAL
STEREO CASSETTE DECK
AEP Model
UK Model
E Model
Australian Model
SPECIFICATIONS
TC-S9
Ver 1.0  2001.09
9-873-281-01
Sony Corporation
2001I0500-1
Home Audio Company
C
 2001.9
Shinagawa Tec Service Manual Production Group
TC-S9 is the Tape deck section
in MHC-S9D.
Tape deck
Model Name Using Similar Mechanism
TC-S3
Section
Tape Transport Mechanism Type
TCM-230AWR41,
TCM-230MWR41
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol 
;
 are trade-
marks of Dolby Laboratories Licensing Corporation.
Recording system
4-track 2-channel stereo
Frequency response
60 – 13,000 Hz (
±
3 dB),
(DOLBY NR OFF)
using Sony TYPE I
cassette,
60 – 14,000 Hz (
±
3 dB),
using Sony TYPE II
cassette
Dimensions (w/h/d)
Approx. 280 x 128 x 330 mm
Mass
Approx. 2.4 kg
Design and specifications are subject to change
without notice.
2
TC-S9
TABLE  OF  CONTENTS
1.
SERVICING NOTES
................................................
3
2.
GENERAL
Location of Controls .......................................................
4
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
5
3-2. Case .................................................................................
5
3-3. MAIN Board ...................................................................
6
3-4. Front Panel Section .........................................................
6
3-5. Tape Mechanism Deck
(TCM-230AWR41, TCM-230MWR41) .........................
7
3-6. LEAF SW Board, HEAD (A) Board and
HEAD (B) Board ............................................................
7
4.
TEST  MODE
..............................................................
8
5.
MECHANICAL  ADJUSTMENTS
.......................
9
6.
ELECTRICAL  ADJUSTMENTS
.........................
9
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 Wirings Boards  – 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
8.
EXPLODED  VIEWS
8-1. General Section ............................................................... 21
8-2. Front Panel Section ......................................................... 22
8-3. Tape Mechanism Deck Section
(TCM-230AWR41) .......................................................... 23
8-4. Tape Mechanism Deck Section
(TCM-230MWR41) ........................................................ 24
8-5. Sub Chassis Assy Section
(TCM-230MWR41) ........................................................ 25
9.
ELECTRICAL  PARTS  LIST
............................... 26
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  MANUAL  OR  IN  SUPPLEMENTS  PUB-
LISHED  BY  SONY.
3
TC-S9
SECTION  1
SERVICING  NOTES
Model
PART No.
AEP and UK models
4-236-839-0
[]
Australian, Saudi Arabia
and Korean models
4-236-839-1
[]
E and Singapore models
4-236-839-2
[]
Mexican model
4-236-839-3
[]
Thai model
4-236-839-4
[]
• MODEL  IDENTIFICATION
– Rear Panel –
This set is a component of the MHC-S9D.
The MHC-S9D 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 (DVD/video CD/CD player) and in the trouble-
shooting section in the Operation Manual.
System Configuration:
POWER SUPPLY
AC IN
TA
MASTER & GRAPHIC 
µ
con
ST
TC 
µ
con
TC
DISPLAY
HTC & MB 
µ
con
DVP
POWER BLOCK
PART No.
• TAPE  MECHANISM  DECK  DISCRIMINATION
TCM-230AWR41 and TCM-230MWR41 are used for the tape
mechanism deck of this set, and they can be discriminated as shown
below.
main chassis
straight
L-shape
TCM-230AWR41
TCM-230MWR41
main chassis
4
TC-S9
SECTION  2
GENERAL
This section is extracted from
instruction manual.
LOCATION  OF  CONTROLS
Cassette deck
CD SYNC ta (45, 46)
DIRECTION tf (44, 45, 46, 55)
DOLBY NR td (44–46)
HI-DUB ts (45)
REC PAUSE/START t; (45, 46, 55)
– Deck A –
N
 (forward play) tk (44, 55, 63)
n
 (reverse play) tj (44, 63)
x
 (stop) th (44)
>/M
 (go forward/fast
forward) y; (44)
./m
 (go back/rewind) tl
(44)
Z
 (eject) tg (44, 63)
– Deck B –
N
 (forward play) rh (44, 45, 63)
n
 (reverse play) rj (44, 45, 63)
x
 (stop) rk (44, 45, 55)
M/>
 (fast forward/go
forward) rf (44)
m/.
 (rewind/go back) rg
(44)
Z
 (eject) rl (44, 63)
h
H
AUTO REVERSE
h
H
AUTO REVERSE
M
>
m
H
.
h
x
M
>
m
H
.
h
x
A
A
y;
tl
tk
tj
th
tg
rf
rg
rh
rj
rk
rl
t;
ta
ts
td
tf
Main unit
Parts Identification
The items are arranged in alphabetical order.
Refer to the pages indicated in parentheses ( ) for details.
Remote control
ANGLE es (37)
AUDIO ws (34)
CLEAR qs (22, 29, 30, 36)
CLOCK/TIMER SELECT 3
(47, 56)
CLOCK/TIMER SET 2 (17, 47,
56)
DBFB ra (48)
D.SKIP 9 (26)
DIGITAL rf (57)
DISPLAY rj (17, 31, 32, 43, 54)
DVD DISPLAY wd (18, 19, 30,
32–34, 36–40)
DVD MENU wa (27)
DVD SET UP ql (18, 19, 24, 39)
ENTER wj
EQ ea (52)
EQ ON/OFF wl (53)
FILE SELECT +/– wh (48, 49,
53)
FUNCTION rd (18, 25, 27, 28,
36, 45, 46, 55, 57)
GROOVE rs (48)
KARAOKE PON (Except for
European model) el
 (54)
MD rh (57)
Numeric buttons 8 (28, 30)
PLAY MODE qa (25, 28, 29, 46)
REPEAT q; (30)
RETURN O qd (27, 39, 40)
SELECT DVD N eh (20, 25,
27, 29, 30)
SET UP wf (14, 16, 51, 53, 54)
SLEEP 1 (55)
SLOW t/T qk (26)
SPECTRUM ANALYZER rk
(54)
STEP c/C ef (26)
SUBTITLE ed (37)
SUR e; (51)
TAPE A nN ek (44)
TAPE B nN qf (44, 45)
TITLE w; (27)
TUNER/BAND ej (42)
TV @/1 4 (13)
TV CH +/– 7 (13)
TV/VIDEO rl (13)
TV VOL +/– 6 (13)
VIDEO rg (57)
VOL +/– wg
x
M
m
>
.
nN
O
X
T
t
C
c
V
v
B
b
1 2
3
4 5
e;
es
ef
ej
eg
6
7
9
8
q;
qa
qd
qs
qf
qg
qj
qh
qk
ql
wa
wd
ws
wf
w;
wg
wj
wh
wk
ed
wl
ea
eh
el
rs
ra
rd
ek
r;
rg
rj
rl
rf
rh
rk
 
BUTTON DESCRIPTIONS
@/1
 (power) 5
X
 (pause) qj
x
 (stop) qg
m/M
 (rewind/fast forward),
TUNING –/+ qh
./>
 (go back/go forward),
PRESET –/+, PREV/NEXT eg
O/o/P/p wk
>10 r;
TC-S9
5
• This set can be disassembled in the order shown below.
3-1.
DISASSEMBLY  FLOW
SECTION  3
DISASSEMBLY
Note:
 Follow the disassembly procedure in the numerical order given.
3-2.
CASE
3-2. CASE
(Page 5)
3-3. MAIN BOARD
(Page 6)
3-4. FRONT PANEL SECTION
(Page 6)
3-6. LEAF SW BOARD, HEAD (A) BOARD AND HEAD (B) BOARD
(Page 7)
3-5. TAPE MECHANISM DECK
(TCM-230AWR41, TCM-230MWR41)
(Page 7)
SET
2
two screws
(case 3 TP2)
3
3
2
two screws
(case 3 TP2)
1
three screws
(BVTT3 
×
 6)
4
Remove the case in the
direction of arrow 
A
.
A
TC-S9
6
3-3.
MAIN  BOARD
3-4.
FRONT  PANEL  SECTION
2
connector
(CN1)
5
MAIN board
1
wire (flat type) (17 core)
(CN311)
2
three connectors
(CN309, 310, 314)
3
three screws
(BVTP3 
×
 8)
3
screw
(BVTP3 
×
 8)
4
PC board holder
2
connector
(CN2)
7
front panel section
2
connector
(CN1)
3
screw
(BVTP3 
×
 8)
2
connector
(CN314)
1
wire (flat type) (17 core)
(CN311)
4
lug
6
two claws
2
connector
(CN2)
6
three claws
5
three screws
(BVTP3 
×
 8)
TC-S9
7
3-5.
TAPE  MECHANISM  DECK (TCM-230AWR41,  TCM-230MWR41)
2
five screws
(BVTP2.6 
×
 8)
4
tape mechanism deck
(TCM-230AWR41, TCM-230MWR41)
1
Open the 
cassette holder (L)/(R).
3
lug
3-6.
LEAF  SW  BOARD,  HEAD (A)  BOARD  AND  HEAD (B)  BOARD
6
screw (+PTT 2
 
×
 4)
4
screw (+PTT 2
 
×
 4)
3
LEAF SW board
2
five claws
5
head (A) board
7
head (B) board
1
Remove the four solderings.
8
TC-S9
SECTION  4
TEST  MODE
Note:
Use following buttons in the test mode.
no mark : Button of Tape unit (TC-S9)
*1
: Button of amplifier unit (TA-S9D)
*2
: Button of DVD/video CD/CD unit (DVP-S9)
[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.
[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 
[DVD 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 
[DVD SYNC]
.)
x
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.
[   ]
*
2
 + 
[REC PAUSE/START]
ALC could keep ON while these keys keep being pressed, ALC
could keep OFF while keys are released.
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.
[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 automati-
cally.
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 
[     ]
.
x
M
m
9
TC-S9
SECTION 5
MECHANICAL ADJUSTMENTS
SECTION 6
ELECTRICAL ADJUSTMENTS
0 dB=0.775 V
DECK  SECTION
1. Demagnetize the record/playback head with a head
demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
parts adjust.
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
5. The adjustments should be performed in the order given in
this service manual.  (As a general rule, playback circuit ad-
justment should be completed before performing recording
circuit adjustment.)
6. The adjustments should be performed for both L-CH and R-
CH.
7. Switches and controls should be set as follows unless other-
wise specified.
8. Please refer to “SERVICING NOTES” (page 3) before adjust-
ments.
• Test Tape
Tape
Signal
Used for
P-4-A100
10 kHz, –10 dB
Azimuth Adjustment
WS-48B
3 kHz, 0 dB
Tape Speed Adjustment
P-4-L300J
315 Hz, 0 dB
Level Adjustment
DECK A      DECK B
Record/Playback Head Azimuth Adjustment
Note:
  Perform this adjustments for both decks
Procedure:
1. Mode:  Playback
Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads
pinch rollers
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head demagne-
tizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
Torque Measurement
set
ST-S9
test tape
P-4-A100
(10 kHz, –10 dB)
+
level meter
MD OUT jack
(J601)
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
6.96 N • m to 14.02 N • m
71 to 143 g • cm
(0.98 – 1.99 oz • inch)
9.80 N • m
100 g or more
(3.53 oz or more)
9.80 N • m
100 g or more
(3.53 oz or more)
Mode
Torque meter
CQ-102C
CQ-102C
CQ-102RC
CQ-102RC
CQ-201B
CQ-403A
CQ-403R
Meter reading
FWD
FWD
back tension
REV
REV
back tension
FF/REW
FWD tension
REV tension
10
TC-S9
2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
3. Mode:  Playback
4. After the adjustments, apply suitable locking compound to
the pats adjusted.
Adjustment Location: Playback Head (Deck A).
Record/Playback/Erase Head (Deck B).
Note:
Use following buttons in the test mode.
no mark : Button of Tape unit (TC-S9)
*1
: Button of amplifier unit (TA-S9D)
*2
: Button of DVD/video CD/CD unit (DVP-S9)
Tape Speed Adjustment
DECK B
Note:
Start the Tape Speed adjustment as below after setting to the test
mode.
In the test mode, the tape speed is high during pressing the
[HI-DUB]
 
button.
Procedure:
1. Turn the power switch on.
2. While pressing the both 
[PLAY MODE]
*
2
 and 
[   ]
*
2
 buttons,
press the 
[DISC 3]
*
2
 button.
(The “GROOVE” on the fluorescent indicator tube display
while in the test mode.)
To exit from the test mode, press the
?/1
 *
1
 button.
Mode:  Playback
1. Insert the WS-48B into the deck B.
2. Press the N button on the deck B.
3. Press the 
[HI-DUB]
 button in playback mode.
Then at HIGH speed mode.
4. Adjust RV1001 on the LEAF SW board so that frequency
counter reads 6,000 
±
 180 Hz.
5. Press the 
[HI-DUB]
 button.
Then back to NORMAL speed mode.
6. Adjust RV1002 on the LEAF SW board so that frequency
counter reads 3,000 
±
 90 Hz.
Adjustment Location:  LEAF SW board
Sample Volue of Wow and Flutter: 0.3% or less W. RMS
(WS-48B)
Playback Level Adjustment
DECK A      DECK B
Procedure:
Mode:  Playback
1. Confirm that level difference between the channels is with 
±
0.5 dB.
2. After check, adjust the following RVs.
Deck A is RV302 (L-CH), Deck B is RV303 (L-CH) so that
adjustment within adjustment level as follows.
Adjustment Level:
MD OUT jack (J601) PB level: 334.4 to 748.7 mV
(–6.8 
±
 0.5 dB)
Adjustment Location:  MAIN board
Screw
position
L-CH
peak
within
1dB
Output
level
L-CH
peak
R-CH
peak
within
1dB
Screw
position
R-CH
peak
set
test tape
P-4-A100
(10 kHz, –10 dB)
oscilloscope
L-CH
R-CH
waveform of oscilloscope
in phase 45
°
90
°
135
°
180
°
good
wrong
ST-S9
MD OUT jack
(J601)
+
+
set
test tape
WS-48B 
(3 kHz, 0 dB)
frequency counter
ST-S9
MD OUT jack
(J601)
set
test tape
P-4-L300J
(315 Hz, 0 dB)
ST-S9
+
level meter
MD OUT jack
(J601)
reverse
forward
x

Download Sony MHC-S9D / TC-S9 Service Manual (Repair Manual)

Here you can view online and download Sony MHC-S9D / TC-S9 Service Manual in PDF. MHC-S9D / TC-S9 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony MHC-S9D / TC-S9 Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.