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

Model
MHC-S9D ST-S9
Pages
34
Size
3.72 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
mhc-s9d-st-s9.pdf
Date

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

SERVICE MANUAL
FM STEREO, FM/AM
SUPERHETERODYNE TUNER
AEP Model
UK Model
E Model
Australian Model
SPECIFICATIONS
ST-S9
Ver 1.0  2001.09
ST-S9 is the tuner section in
MHC-S9D.
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section 
Tuning range
87.5 – 108.0 MHz
Antenna
FM lead antenna
Antenna terminals
75 ohm unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Pan American model:
530 – 1,710 kHz
(with the interval set at
10 kHz)
531 – 1,710 kHz
(with the interval set at
9 kHz)
European and Middle Eastern models:
531 – 1,602 kHz
(with the interval set at
9 kHz)
Other models:
531 – 1,602 kHz
(with the interval set at
9 kHz)
530 – 1,710 kHz
(with the interval set at
10 kHz)
Antenna
AM loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
Dimensions (w/h/d)
Approx. 280 x 108 x 340 mm
Mass
Approx. 2.1 kg
Design and specifications are subject to change
without notice.
9-873-283-01
Sony Corporation
2001I0500-1
Home Audio Company
C
 2001.9
Shinagawa Tec Service Manual Production Group
2
ST-S9
TABLE  OF  CONTENTS
1.
SERVICING NOTES
................................................
2
2.
GENERAL
Location of Controls .......................................................
3
Setting the Time ..............................................................
4
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
5
3-2. Case .................................................................................
6
3-3. Front Panel Section .........................................................
6
3-4. PANEL Board, SIRCS Board .........................................
7
3-5. Tuner Pack (FM/AM) .....................................................
7
3-6. MAIN Board ...................................................................
8
3-7. DSP Board .......................................................................
8
4.
TEST  MODE
..............................................................
9
5.
DIAGRAMS
5-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 10
5-2. Schematic Diagram  – MAIN Board (1/2) – .................. 12
5-3. Schematic Diagram  – MAIN Board (2/2) – .................. 13
5-4. Printed Wiring Board  – MAIN Board – ........................ 14
5-5. Printed Wiring Board  – DSP Board – ............................ 15
5-6. Schematic Diagram  – DSP Board (1/2) – ..................... 16
5-7. Schematic Diagram  – DSP Board (2/2) – ..................... 17
5-8. Printed Wiring Boards  – PANEL Section – .................. 18
5-9. Schematic Diagram  – PANEL Section – ....................... 19
5-10. IC Pin Function Description ........................................... 20
6.
EXPLODED  VIEWS
6-1. Case, Front Panel Section ............................................... 26
6-2. Chassis Section ............................................................... 27
7.
ELECTRICAL  PARTS  LIST
............................... 28
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.
SECTION  1
SERVICING  NOTES
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
• MODEL  IDENTIFICATION
– Rear Panel –
PART No.
MODEL
PART No.
AEP and UK models
4-232-349-0
[]
Australian model
4-232-349-1
[]
Saudi Arabia model
4-232-349-2
[]
Singapore and E models
4-232-349-3
[]
Mexican model
4-232-349-4
[]
Thai model
4-232-349-5
[]
Korean model
4-232-349-6
[]
3
ST-S9
1 ANTENNA terminal
2 SYSTEM CONTROL 1 connector (TO TA-S9D)
3 SYSTEM CONTROL 2 connector (TO TA-S9D)
4 SYSTEM CONTROL 3 connector (FROM DVP-S9)
5 OPTICAL IN terminal
6 OPTICAL IN terminal (FROM DVP-S9)
7 SYSTEM CONTROL 4 connector (TO TC-S9)
8 OPTICAL OUT terminal
9 SUB WOOFER OUT jack
0 MD IN/OUT jack
qa VIDEO (AUDIO) IN jack
– Rear Panel –
SECTION  2
GENERAL
This section is extracted from
instruction manual.
LOCATION  OF  CONTROLS
– Front Panel –
1
2
3
4
5 6 7 8
0
9
qa
CLOCK/TIMER wj (17, 47, 56)
DISPLAY qk (17, 31, 32, 43, 54,
63)
ENTER ws  (42, 43)
IR receptor wk
PRESET —/+ wf (42, 43)
PTY (European model only) wd
(43)
STEREO/MONO ql (43, 63)
TIMER SELECT wh  (47, 56)
TUNER/BAND wg (42)
TUNER MEMORY w; (42)
TUNING —/+ wa (42)
+
+
qk
qlw; wa
ws
wf
wg
wd
wh
wj
wk
4
ST-S9
Setting the time
1
Turn on the system.
2
Press CLOCK/TIMER (or CLOCK/TIMER
SET on the remote).
When you set the time for the first time,
proceed to step 5.
3
Press 
or o repeatedly to select
“CLOCK SET”.
4
Press ENTER (A/V amplifier or remote).
5
Press 
or o repeatedly to set the hour.
6
Press ENTER (A/V amplifier or remote).
7
Press 
or o repeatedly to set the
minutes.
8
Press ENTER (A/V amplifier or remote).
Tip
If you have made a mistake or want to change the
time, start over from step 2.
Note
The clock settings are canceled when you disconnect
the power cord or if a power failure occurs.
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
North American and European
models) 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;
5
ST-S9
• This set can be disassembled in the order shown below.
3-1.
DISASSEMBLY  FLOW
SECTION  3
DISASSEMBLY
3-2. CASE
(Page 6)
3-3. FRONT PANEL SECTION
(Page 6)
3-4. PANEL BOARD,
SIRCS BOARD
(Page 7)
3-7. DSP BOARD
(Page 8)
3-5. TUNER PACK (FM/AM)
(Page 7)
3-6. MAIN BOARD
(Page 8)
SET
6
ST-S9
3-3.
FRONT  PANEL  SECTION
2
three screws
(BVTP3 
×
 8)
3
claw
3
claw
1
wire (flat type) (19 core)
(CN502)
3
claw
4
front panel section
Note:
 Follow the disassembly procedure in the numerical order given.
3-2.
CASE
2
two screws
(case 3 TP2)
3
case
1
screw 
(+BVTT3 
×
 6 (S))
2
two screws
(case 3 TP2)
7
ST-S9
3-5.
TUNER  PACK  (FM/AM)
3-4.
PANEL BOARD,  SIRCS  BOARD
6
SIRCS board
1
two screws
(BVTP2.6 
×
 8)
1
four screws
(BVTP2.6 
×
 8)
1
screw
(BVTP2.6 
×
 8)
(AEP, UK models)
3
PANEL board
4
wire (flat type) (19 core)
(CN602)
2
two claws
5
two claws
3
tuner pack (FM/AM)
2
two screws
(BVTP3 
×
 8)
1
wire (flat type) (11 core) (except AEP, UK models)
wire (flat type) (15 core) (AEP, UK models)
(CN506)
8
ST-S9
4
screw
(BVTP3 
×
 8)
2
five connectors
(CN510, 5031, 5032, 5041, 5042)
        
1
wire (flat type) (23 core)
(CN508)
1
wire (flat type) (21 core)
(CN509)
6
MAIN board
1
wire (flat type) (19 core)
(CN502)
5
PC board holder
2
connector
(CN601)
3
three screws
(BVTP3 
×
 8)
4
two screws
(BVTP3 
×
 8)
1
wire (flat type) (23 core)
(CN603)
4
three screws
(BVTP3 
×
 8)
3
three screws
(BVTP3 
×
 8)
6
DSP board
1
wire (flat type) (21 core)
(CN602)
2
connector
(CN601)
5
PC board holder
3-7.
DSP  BOARD
3-6.
MAIN  BOARD
9
ST-S9
[GC Test  Mode]
Enter the GC Test Mode
Procedure 1:
1. Press the
?
/
1
*
1
 button to turn the power ON.
2. While pressing the both 
[STEREO/MONO]
 and 
[CINEMA
STUDIO C]
*
1
  buttons, press the 
[CLOCK/TIMER]
 button.
3. LEDs and fluorescent indicator tube are all turned on of all
units.
Procedure 2:
1. Press the
?
/
1
*
1
 button to turn the power ON.
2. While pressing the both 
[PLAY MODE]
*
2
 and
x
 *
2
  buttons,
press the
Z
(DISC 1)*
2
 button.
3. LEDs and fluorescent indicator tube are all turned on of all
units.
Version Display Mode
Procedure:
1. Enter the GC test mode.
2. Each time the 
[TUNER MEMORY]
 or 
[DISC 1]
*
2
 button is
pressed, microcomputer or mechanism deck version is
displayed of each unit.
3. Press the 
[TUNING +]
 or 
[DISC 3]
*
2
 button to detail is displayed
the version.
Key Check Mode
Procedure:
1. Enter the GC test mode.
2. Press the 
[TUNING -- ]
 or 
[DISC 2]
*
2
 button to set the key check
mode.
3. In the key check the mode, the fluorescent indicator tube
displays “K 0 J 0 V 0” . Each time a button is pressed, “K”
value increases. However, once a button is pressed, it is no
longer taken into account.
VACS Level Display Mode
Procedure:
1. Enter the GC test mode.
2. Press the 
[TUNING +]
 or 
[DISC 3]
*
2
 button to display VACS
level on the fluorescent indicator tube.
Segment Check Mode
Procedure:
1. Enter the GC test mode.
2. Press the 
[ENTER]
 or
x
 *
2
 button to set the segment check
mode.
3. In the segment check the mode.  
Each  [ENTER]
 or
x
*
2
button is pressed, the fluorescent indicator tube displays is
switching variously.
Releasing the GC Test Mode
• To release from this mode, press three buttons in the same manner
as entering this mode or disconnect the power cord.
Note:
 Use following buttons in the test mode.
no mark : Button of tuner unit (ST-S9)
*
1
: Button of amplifier unit (TA-S9D)
*
2
: Button of DVD/video CD/CD unit (DVP-S9)
[MC Cold Reset]
• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning
the set to the customer.
Procedure 1:
1. Press the
?
/
1
*
1
 button to turn the power ON.
2. While pressing the 
[DIGITAL]
*
1
 button, press the
[DISPLAY]
button.
3. The set is reset, and becomes standby state.
Procedure 2:
1. Press the
?
/
1
*
1
 button to turn the power ON.
2. While pressing the both 
[PLAY MODE]
*
2
 and
x
 *
2
 buttons,
press the
M
 *
2
 button.
3. The set is reset, and becomes standby state.
[MC Hot Reset]
• This mode resets the set with the preset data kept stored in the
memory. The hot reset mode functions same as if the power
cord is plugged in and out.
Procedure:
1. Press the
?
/
1
*
1
 button to turn the power ON.
2. While pressing the both 
[STEREO/MONO]
 and 
[CINEMA
STUDIO C]
*
1
 buttons, press the 
[TIMER SELECT]
button.
3. The set is reset, and becomes standby state.
[Change-over the AM Tuning Interval]
(EXCEPT AEP, UK and Sauidi Arabia models)
• The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the
?
/
1
*
1
 button to turn the power ON.
2. Turn the 
[FUNCTION]
 *
1
 knob to select 
“TUNER”, and press
the 
[TUNER/BAND]
 button to select the BAND “AM”.
3. Press the
?
/
1
*
1
 button to turn the power OFF.
4. While pressing the 
[ENTER]
 button, press the
?
/
1
*
1
 button,
and the display on the fluorescent indicator tube changes to
“AM 9 K STEP” or “AM 10 K STEP”, and thus the tuning
interval is changed over.
[Change-over of VACS ON/OFF]
1. Press the
?
/
1
*
1
 button to turn the power ON.
2. While pressing the both 
[STEREO/MONO]
 and 
[CINEMA
STUDIO C]
*
1
  buttons, press the 
[CINEMA STUDIO B]
 button,
and VACS ON/OFF is change over.
SECTION  4
TEST  MODE
10
ST-S9
Note on Schematic Diagram:
• All capacitors are in 
µ
F unless otherwise noted.  pF: 
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
5
: fusible resistor.
C
: panel designation.
5-1.
NOTE  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS
Note on Printed Wiring Board:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note: The components identified by mark 
0
 or dotted line
with mark 
0
 are critical for safety.
Replace only with part number specified.
SECTION  5
DIAGRAMS
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
A
: B+ Line.
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
) : DVD/CD PLAY
〈〈
 
〉〉
: AC OFF
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY
G
: RECORD
c
: DIGITAL INPUT
I
: DVD/CD PLAY
N
: MIC INPUT
• Abbreviation
AUS
: Australian model
EA
: Saudi Arabia model
KR
: Korean model
MX
: Mexican model
SP
: Singapore model
TH
: Thai model
• Circuit Boards Location
DSP board
TUNER PACK
MAIN board
SIRCS board
PANEL board

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