Sony ST-S3 User manual

SERVICE MANUAL
FM STEREO, FM/AM
SUPERHETERODYNE TUNER
AEP Model
UK Model
SPECIFICATIONS
ST-S3
Ver 1.0 2001.05
ST-S3 is the tuner section
in MHC-S3.
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 531 – 1,602 kHz
(with the interval set at
9 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.
9-873-873-11 Sony Corporation
2001E0500-1 Home Audio Company
C2001.5 ShinagawaTec Service Manual Production Group

2
ST-S3
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. Cover ............................................................................... 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. Cover, 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 0OR DOTTED
LINE WITH MARK 0ON 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-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.
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:
POWER SUPPLY
AC IN
TA
SYSTEM & CD µ con
ST
CDP
TC µ con
TC
DISPLAY

3
ST-S3
1ANTENNA terminal
2SYSTEM CONTROL 1 connector (TO TA-S3)
3SYSTEM CONTROL 2 connector (TO TA-S3)
4SYSTEM CONTROL 3 connector (FROM CDP-S3)
5OPTICAL IN terminal
6OPTICAL IN terminal (FROM CDP-S3)
7SYSTEM CONTROL 4 connector (TO TC-S3)
8OPTICAL OUT terminal
9SUB WOOFER OUT jack
0MD 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 –
—
—
+
+
qh qjqk ql w;
wawswdwfwgwh
CLOCK/TIMER wg (9, 18, 26)
DISPLAY qh (10, 13, 15, 26, 32)
ENTER w; (14, 15)
IR receptor wh
PRESET +/– ws (14, 15)
PTY wa (15)
STEREO/MONO qj (14)
TIMER SELECT wf (19, 27)
TUNER/BAND wd (14)
TUNER MEMORY qk (14)
TUNING +/– ql (14)
1
2
3
4 5 6 7 80
9qa

4
ST-S3
x
hH
H
hH
O
o
Pp
Mm 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 Hwk (11, 12)
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,
22–27)
EQ qa (24)
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
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/o/P/p9
Setting the time
1Turn on the system.
2Press CLOCK/TIMER (or CLOCK/TIMER
SET on the remote).
When you set the time for the first time,
proceed to step 5.
3Press O or orepeatedly to select
“CLOCK SET”.
4Press ENTER (A/V amplifier or remote).
5Press O or orepeatedly to set the hour.
6Press ENTER (A/V amplifier or remote).
7Press O or orepeatedly to set the
minutes.
8Press 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.

5
ST-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. 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-S3
3-3. FRONT PANEL SECTION
2 three screws
(BVTP3
× 8)
3 claw
3 two claws
1 wire (flat type) (19 core)
(CN502)
3 two claws
4 front panel section
Note: Follow the disassembly procedure in the numerical order given.
3-2. COVER
2 two screws
(case 3 TP2)
3 cover
1 screw
(+BVTT3
× 6 (S))
2 two screws
(case 3 TP2
)

7
ST-S3
3-5. TUNER PACK (FM/AM)
3-4. PANEL BOARD, SIRCS BOARD
6 SIRCS board
2 two screws
(BVTP2.6
× 8)
2 four screws
(BVTP2.6
× 8)
2 screw
(BVTP2.6
× 8)
4 PANEL board
1 wire (flat type) (19 core
)
(CN602)
3 two claws
5 two claws
3 tuner pack (FM/AM)
2 two screws
(BVTP3 × 8)
1 wire (flat type) (15 core)
(CN506)

8
ST-S3
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 holde
r
3-7. DSP BOARD
3-6. MAIN BOARD

9
ST-S3
[GCTest Mode]
Enter the GCTest Mode mode
Procedure 1:
1. Press the ?/1*1button to turn the power ON.
2. While pressing the both [STEREO/MONO] and [CINEMA
STUDIO C]*1buttons, press the [CLOCK/TIMER] button.
3. LEDs and fluorescent indicator tube are all turned on of all
units.
Procedure 2:
1. Press the ?/1*1button to turn the power ON.
2. While pressing the both [PLAY MODE]*2and x*2buttons,
press the Z(DISC 1)*2button.
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]*2buttonis pressed,
microcomputer or mechanism deck version is displayed of each
unit.
3. Press the [TUNING +] or [DISC 3]*2buttonto detail is displayed
the version.
Key Check Mode
Procedure:
1. Enter the GC test mode.
2. Press the [TUNING -- ] or [DISC 2]*2button 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]*2button 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*2button 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 GCTest 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-S3)
*1: Button of amplifier unit (TA-S3)
*2: Button of CD unit (CDP-S3)
[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*1button to turn the power ON.
2. While pressing the [DIGITAL]*1button, press the
[DISPLAY] button.
3. The set is reset, and becomes standby state.
Procedure 2:
1. Press the ?/1*1button to turn the power ON.
2. While pressing the both [PLAY MODE]*2and x*2buttons,
press the M*2button.
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:
1. Press the ?/1*1button to turn the power ON.
2. While pressing the both [STEREO/MONO] and [CINEMA
STUDIO C]*1buttons, press the [TIMER SELECT] button.
3. The set is reset, and becomes standby state.
Procedure 2:
1. Press the ?/1*1button to turn the power ON.
2. While pressing the both [PLAY MODE]*2and x*2buttons,
press the m*2button.
3. The set is reset, and becomes standby state.
[Change-over of VACS ON/OFF]
1. Press the ?/1*1button to turn the power ON.
2. While pressing the both [STEREO/MONO] and [CINEMA
STUDIO C]*1buttons, press the [CINEMA STUDIO B] button,
and VACS ON/OFF is change over.
SECTION 4
TEST MODE

10
ST-S3
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ωand 1/4W 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 PrintedWiring 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
BThese are omitted. E
Q
B
These are omitted.
CE
Q
B
These are omitted.
CE
Q
Note: The components identified by mark 0or dotted line
with mark 0are critical for safety.
Replace only with part number specified.
SECTION 5
DIAGRAMS
Caution:
Pattern face side: Partsonthepatternfacesideseen 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)
( ) : CD PLAY
〈〈 〉〉 : AC OFF
∗: Impossible to measure
•Voltages are takenwithaVOM(Inputimpedance10MΩ).
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
J: CD PLAY
c: DIGITAL INPUT
•Circuit Boards Location
DSP board
TUNER PACK
MAIN board
SIRCS board
PANEL board

ST-S3
1111
3.6 Vp-p
354 ns
4 Vp-p
354 ns
3.9 Vp-p
22.7 µ s
3.8 Vp-p
22.7 µ s
4.6 Vp-p
74.1 ns
2.7 Vp-p
62.5 ns
2.6 Vp-p
30.5 µ s
3.5 Vp-p
250 ns
4 Vp-p
74.1 ns
•Waveforms
–MAIN Board –
1IC501 qa (XCOUT)
–DSP Board –
1IC601 9(MCLK1), IC604 w; (XMCK),
wa (XOUT)
2IC501 qd (XOUT)
7IC601 wl (BCKI2), IC604 qf (BCK)
2IC601 qf (SCKOUT) 6IC601 wk (LRCKI2), IC604 qg (LRCK)
4IC601 w; (BCKO), IC605 4(BCK)
3IC601 ql (LRCKO), IC605 5(LRCK)
4.4 Vp-p
88.6 ns
5IC601 ws (KFSIO), IC604 qd (CKOUT)
–PANEL Board –
1IC601 id (XOUT)
•IC Block Diagrams
–DSP Board –
IC604 LC89056W-E
IC605 AK4527
38
37
36
23
24
1 2 3 4 5
44
8 9 10
46
17
22
21
20
30
35 252627282932 3334
16
45 13
14
15
47
40
41
48
CL
39XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XSEL
31
DGND DO CSFLAG F0 F1 F2 VF ERR9P BPSYNC ERROR
DATAO
DOSEL1 CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42DGND
43DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
FORMAT
CONVERTER
AUDIO
INTERFACE
INPUT
CIRCUIT
OUTPUT
CIRCUIT
LOOP1 LOOP0/SDA/CDTI DIF1/SCL/CCLK DIF0/CSN P/SN MCLK DZF1 AVSS AVDD VREFH VCOM
DZF2
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
DEM1 DEM0
TVDD
DVDD
DVSS
PDN
ICKS2 ICKS1 ICKS0
CAD1 CAD0
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS

ST-S3
1212
D552R553C552
R554C553
Q551
IC551
D551 R552R551
D923
D904
D903
D922
C918C903
R912
R911
IC901
C902
D920
C907 C906
IC904
µPC7805AHF
C905 C904 C952 C953
IC903
L955
470µH
C966
NO901 NO991
C991
C992
C955
R951
C957
NO507
CN508
CN510
C977
C978
C971
C970
C968
R941D941
D942 R942
C941
R943
C964 C956
CN5031
CN5041
CN509
Q902
R555
D901
IC991
IC952
IC951
C916
R952
D924
C551
1SS133T47k0.1
47k0.1
2SC2603
M51943BSL
1SS133T-72 10k470
11ES2
11ES2
11ES2
11ES2
470
10V
10
50V
510
220
TA78057S
470
10V
11ES2-NTA2
220
10V 0.1
470
16V
3300
16V
4700
25V 0.1
NJM7810FA
10000p
3P 3P
0.1
0.1
10000p
470
10000p
4P
23P
5P
10
50V
10 50V
10000p
10000p
10000p
1k1SS133T
1SS133T 1k
10
50V
3.3k
10000p 10
50V
5P
10P
21P
2SC2001-K1K2
4.7k
D3SBA20
NJM7815FA
TORX178B
TORX178B
10000p
470
1SS133T-72
4.7
50V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
AA4
AA5
AA4
AA5
BB1
BB2
BB3
BB4
BB1
BB2
BB3
BB4
DD1
DD2
DD3
DD4
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
E12
E13
E14
DBFB FEEDBACK
AB20
AB21
TUNER L-IN
TC L-IN
TUNER R-IN
TC R-IN
A-GND
VCD L-IN
VCD R5-IN
DIG-Tx
DSP-Rx
DIG-CLK
AMP-DATA
AMP-CLK
AMP-LAT
DIR-UNLOCK
DIR-CS
DSP-CS
DIR-Rx
DSP-DECODE
DIR-XSTATE
DSP-ACK
CODEC-SMUTE
FL-OUT
FR-OUT
F-GND
LS-OUT
RS-OUT
S-GND
A-GND
A-GND
A+10V
D-GND
DBFB FEEDBACK
TC REC L-OUT
TC REC R-OUT
MIC-IN
D-GND
C-OUT
C-GND
LINE-MUTE
D+5V
A+5V
A-GND
D-GND
FRONT-GND
CENTER-OUT
CENTER-GND
MIC-SIG
MIC-GND
FR-OUT
FL-OUT
SR-OUT
SL-OUT
S-GND
D-GND
(A-GND)
EVER+5V
M(A)-GND
REC OUT-L
PB-L
TC A-GND
PB-R
REC OUT-R
VCC
VCC
GND
OUT
GND
OUT
D+5V
(1/2)
(CHASSIS)
SYSTEM CONTROL 4
D-OUT
G
IO
+5V REGULATOR
+7V REGULATOR
G
IO
+3.3V REGULATOR
G
IO
RESET SIGNAL
GENERATOR
RESET
SWITCH
G
IO
+10V REGULATOR
+15V REGULATORG
I
O
OPTICAL RECEIVER
OPTICAL RECEIVER
OPTICAL IN
OPTICAL IN
(TO TC-S3)
(FROM CDP-S3)
(INCLUDED IN MAIN BOARD)
5-2. SCHEMATIC DIAGRAM –MAIN Board (1/2) –
(Page 13)
(Page 13)
(Page 13)
(Page 16)
(Page 17)
(Page 16)

ST-S3
1313
Q901
R908
R538 R530
R956
C505
C504
R518R516R515 R517
R501
C927C928
D902
R963
R964
C962
C961
C915 D912
R903
C910 R904 R905
R906 C937
R549
C506
R558 R550
D944
D945
R532
R556
C942 C943
C561 EPT901
R524
C972
CN503
CN501
R523
R522
C562
C520
R520
R519
C519
R508
C501
C502
C503
X501
R542
R541
R540
R539
C508
C509
R548
R521
R529
R525
D921
CN5042
CN502
CN505
CN5032
R958
R959
R961
R962
JW95
X502
IC501
Q503
Q502
R557
C510
D913
C909
D911
EPT902
R966
R965
R528
R527
R526
R533
R531
R534
R535
R536
R537
R502
R503
R504
R505
R506
R507
R509
R511
R512
R513
R514
R545
R543
R510
CN506
R957
D943
2SB734-3
1k
100 100
100
1000
6.3V
0.1
1001001k 100
100
0.10.1
11ES2-NTA2
5.6k
5.6k
10
50V
0.1
100
35V
MTZJ-T-
72-30B
10
10
50V 10k 100
100 0.1
3.3k
4.7
50V 1M 100k
1SS133T
1SS133T
47k
47k
470
6.3V 0.1
0.1
47k
0.1
10P
4P
100
10k
10000p
100p
10k
10k
100p
10k
18p
15p
0.1
32.768Hz
47k
47k
100
100
10
50V
0.1
4.7k
100
100
100
1SS133T-72
9P
19P
17P
15P
100
100
2.2k
2.2k
16MHz
M30622MGA-A39FP
BN1A4M
BN1A4M
22k
4.7
50V
MTZJ-T-72-5.6B
100
50V
11ES2
-NTA2
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
330k
10k
100
100
100
10k
10k
330
15P
100
1SS133T
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
ST-MUTE
ST-CE
ST-DOUT
ST-DIN
ST-CLK
M-RESET
ST-CLK
ST-DOUT
ST-DIN
ST-CE
ST-MUTE
M-RESET
RDS-DATA
RDS-INT
RDS-DATA
RDS-INT
I-DAT
I-CLK
TUN
STE
STE
TUN
EX-IN
EX-OUT
EX-LAT
EX-CLK
EX-CLK
EX-LAT
EX-OUT
EX-IN
AB1
AB2
AB1
AB2
JOG2-B
JOG2-A
JOG1-B
JOG1-A
VOLA
VOLB
KEY1
KEY1
JOG2-B
JOG2-A
JOG1-B
JOG1-A
VOLA
VOLB
CC1
CC2
CC3
CC4
CC5
CC6
CC5 CC6
I-CLK
I-DAT
DD1
DD4
DD2
DD3
M-RESET
I-DAT
I-CLK
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
E12
E13
E14
CC1
CC4
CC3
CC2
SIRCS
DBFB FEEDBACK
POWER KEY
POWER KEY
AB20
AB21
I-CLK
I-DAT
SIRCS
CL
MC D0
MC D1
CE
A+10V
TUNED
STEREO
L-CH
ANALOG-GND
R-CH
MUTE
D+5V
N.C
RDS-INT
RDS-DATA
MRESET
I2C-CLK
I2C-DATA
VCD L-IN
VCD R-IN
V-MUTE
EVER+5V
POWER KEY
VF
VF
DBFB FEEDBACK
EXP-CLK
EXP-LAT
EXP-OUT DATA
EXP-IN DATA
VOLA
VOLB
KEY0 TA
AC LOW
AC LOW
AC HIGH
AC HIGH
UNREG
VP
CT
JOG1-A(FUNCTION)
JOG1-B(FUNCTION)
AC-LOW
AC-LOW
CD A-GND
CD D(M)-GND
UNREG
TC M-GND
DISPLAY/STANDBY KEY
KEY1
JOG2-A
JOG2-B
JOG1-A
JOG1-B
VOLA
VOLB
TC M-GND
TC D-GND
CD D(M)-GND
CT
HAKO-GND
JOG2-B(F-SELECT)
JOG2-A(F-SELECT)
HAKO-GND
(CHASSIS)
(CHASSIS)
k
VSS
VCC
NMI
ST-CE
ST-DOUT
ST-DIN
ST-CLK
MODEL-IN
RDS-INT
RDS-DATA
GND
SIRCS
DIG-CLK
DIR-UNLOCK
DIR-CS
DSP-CS
AMP-DATA
AMP-CLK
AMP-LAT
SOFT-TEST
DSP-DECODE
STEREO
TUNED
DIR-XSTATE
POWER KEY
DISPLAY KEY
EXP-IN DATA
EXP-OUT DATA
EXP-LAT
EXP-CLK
CNVSS
AVSS
VREF
AVCC
SPEC-IN
VCC
VSS
DSP-ACK
NO-USE
VF
VF
-VP
D-GND
IIC-CLK
IIC-DATA
D+3.3V
SIRCS
RESET
D-GND
EVER+5V(SIRCS)
GND
RTS1
NC
+5V
CNVSS
RESET
GND
TXD1/CAN'T USE
CLK1/SQ-CLK
RXD1/SQ-DATA-IN
D-GND
D+5V
IIC-CLK
IIC-DATA
(2/2)
(FROM CDP-S3)
SYSTEM CONTROL 3
SYSTEM CONTROL 2
SYSTEM CONTROL 1
(FOR TEST)
(FOR TEST)
(CHASSIS)
M-RESET
ST-MUTE
XIN
XOUT
RESET
XCOUT
XCIN
DSP-RX
DIG-TX
AC-
CUT
V-MUTE
CODEC
-SMUTE
DIR-RX
LINE-MUTE
SYSTEM CONTROLLER
-28V REGULATOR
AC OFF
DRIVER
MUTING
MUTING
CONTROL
SWITCH
FM/AM
TUNER
UNIT
*
AM
ANTENNA
THE ASSEMBLED
BLOCK
SUPPLIED WITH*
FM 75Ω
COAXIAL
IIC CLK
IIC DATA
NO-USE
NO-USE
NO-USE
NO-USE
(TO TA-S3)
(TO TA-S3)
5-3. SCHEMATIC DIAGRAM –MAIN Board (2/2) –•See page 11 forWaveforms.
(Page 12)
(Page 19)
(Page 12)
(Page 12)

ST-S3
1414
CN510
IC951
IC952
CN509
NO507
CN5042
CN5041
JW71
CN506
IC903
EPT902
JW77
JW111
C971
C968
C970
X501
CN505
D901
C955
C957
R951
C964
C956
R528
R525
R956
C907
CN502
JW67
D911
C909
R903
R905
C937
JW106
C916
C918
JW79
JW81
JW83
C961
R957
JW53
C972
JW43
JW14
C927
EPT901
JW94
C902
C903
R912
CN503
CN501
JW69
R556
R524
R542
R541
R543
R545
R511
C905
R529
JW62
R959
JW92
R958
JW96
JW40
R519
C519
JW110
JW15
JW16
JW99
C953
JW41
JW42
JW104
R908
JW47
JW100
CN508
Q902
Q901
CN5032
CN5031
R540
R539
R538
R537
R536
R535
R534
R533
IC904
IC901
JW921
R904
D913
D912
NO901
C977
C978
C508
C509
JW35
JW21
R517 R518
JW50
JW51
JW84
JW112
JW60
R548
R523
R530
R522
R527
R526
R516
R515
R514
R513
R512
R531
R532
JW19
C952
JW108
JW34
C906
R501
R502
R503
R504
R505
R506
R507
C910 C915
C966
R911
JW917
JW918
C962
JW64
C561
C562
JW89
JW56
JW971
D920
JW65
JW86
JW85
JW78
JW76
JW68
JW70
L955
JW115
JW117
JW118
JW75
JW97
JW951
JW956
JW957
JW503
JW958
JW959
JW80
JW116
JW28
R952
JW954
D921
C904
JW87
JW107
JW88
JW90
JW91
JW25
D941
D942
C928
JW952
R508
R509
C501
C502
C503
R510
X502
JW55
R906
C505
JW29
C553
C504
Q502
IC551
R551
R552
R553
R554
R555
D551
D552
Q551
C551
C552
JW32
JW39
R520
C520
JW38
R557
JW113
R549
JW920
JW500
D922
D923
C506
C510
R558
JW18
JW17
JW13
D943
D903
D904
JW37
R550
JW27
JW30
R521
JW26
D945
D944
Q503
R963
R964
R962
R961
R941
R942
R943
JW93
C942
D902
C941
C943
JW202
JW203
JW204
JW205
JW206
JW207
JW208
JW209
R966 JW44
R965
JW201
JW119
CLP101
IC501
1
3
ECB
31
1
3
31
1
15
15
NO991
C991
C992
IC991
JW98
JW302
JW301
D924
JW303
MAIN BOARD
(CHASSIS)
10 1
(FOR TEST)
14
(FOR TEST)
D
PANEL
BOARD
CN602
E
EE
E
31
C
DSP BOARD
CN602
B
DSP BOARD
CN603
A
DSP BOARD
CN601
SYSTEM
CONTROL 1
(TO TA-S3)
1
4
COAXIAL
FM 75Ω
AM
ANTENNA
FM/AM TUNER UNIT *
*SUPPLIED WITH
THE ASSEMBLED BLOCK
(CHASSIS)
1
1
10
9
SYSTEM
CONTROL 2
SYSTEM
CONTROL 3
(TO TA-S3)
FROM
CDP-S3
3
1
3
1
1
15
4
OPTICAL IN
IC952
OPTICAL IN
IC951
(FROM CDP-S3)
1-680-695-
11
(11)
SYSTEM
CONTROL 4
(TO TC-S3)
3
1
3
1
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10
(INCLUDED IN MAIN BOARD)
5-4. PRINTED WIRING BOARD –MAIN Board –•See page 10 for Circuit Boards Location.
D551 D-4
D552 D-4
D901 C-8
D902 C-7
D903 E-4
D904 E-5
D911 C-6
D912 C-5
D913 C-5
D920 F-4
D921 E-5
D922 D-5
D923 D-5
D924 D-5
D941 C-7
D942 C-7
D943 E-4
D944 E-3
D945 E-4
IC501 C-2
IC551 D-4
IC901 E-6
IC903 D-6
IC904 G-4
IC951 G-10
IC952 F-10
IC991 H-8
Q502 E-3
Q503 E-4
Q551 D-4
Q901 C-5
Q902 F-4
•Semiconductor
Location
Ref. No. Location
(Page 15)
(Page 18)
(Page 15) (Page 15)

ST-S3
1515
D601 C-8
D604 D-7
D605 D-7
IC601 C-4
IC602 C-6
IC603 E-4
IC604 C-2
IC605 D-3
IC607 F-2
IC608 C-2
IC609 B-6
IC610 C-7
Q601 C-8
Q603 F-7
Q604 E-9
Q605 D-9
Q606 G-8
Q607 G-9
Q611 C-9
Q612 E-6
Q613 D-8
5-5. PRINTED WIRING BOARD –DSP Board –•See page 10 for Circuit Boards Location.
•Semiconductor
Location
Ref. No. Location
C659
C660
IC609
Q601
C621
C721
C704
C680
C647
CN601
C661
C666
C616
C633
C645
C672
C673 C674
C678
C667
C671
C668
C669
C670
C690
C689
C706
C705
C707
C708
C709
C710
C684
C687
C695
C694
C693
C692
C685
C686
C727
C699
C700
C731
CN603
C723 C725
C729
CN602
C613
C726
C614
R621
R620
C665
IC602
R688
R608
R606
R603
R605
R604
R634
R619
C664
C662
FB603
R674
IC610
R676
R601 C622
R677
R693
R679
R683
C620
R731
R730
Q611
R734
C719
C720
R695
C635
C733
C623
R675
R628
R629
R630
FB607
FB608
FB601
FB602
C619
C615
R754
R755
C634 C712
R748
C711
R747
C714
R750 R749
C713
R694
FB604
FB605
D604
D605
C658
R649 R650
JR620
C636
C637
C638
C639
C640
R651 R652
R774
C679
R773
R775
R770
R767
R766
R763
R768
R682
Q603 R776
R777
C691
FB606
C716
R752
C715
R751
R733
R696
R697
R698
R699
R702
R703
R700
R701
Q604
Q605
R709
D606
Q607
Q606
R680
Q612
C717
C728
D601
C730
C724
C722
C735
JR621
Q613
R623
C738
C739
R784
C741
C742 R771
C612
IC605
IC604
IC601
C601
C603
C604
C606 C607
C608
C626
C610
C611
R668
R669
R670
IC603
C602
C617
C646
R602
R612
R613
C625
R671
R672
R618
R617
C609
R616
R614
R667
R632
R633
R635
R690
C627
R691
C624
C628
IC607
R692
C629
R756
C618
C642
C644
IC608
R615
C643
R636
R641
R640
R639
R638
R637
R681
R678
R685
R686
R687
R689
R684
R673
R781
C632
R757
C631
R654
C630
R653
R738
R735
R742
R743
R739
R631
R644
R645
R646
R647
R648
C736
R761
JR602
R780
R706
R772
R769
R765
R759
R712
R760
R762
JR604
R746
R716
R715
R707
R713
R711
R758
C732
R779
X601
R642
R717
JR622
C740
R611
R609
C734
DSP BOARD
(CONDUCTOR SIDE)
13
OPTICAL
OUT
IC609
J602
SUB
WOOFER
OUT
L
OUT
R L
IN
MD
R L R
VIDEO
(AUDIO)
IN
J601
(CHASSIS) (CHASSIS)
(CHASSIS)
EP603EP604
E
E
E
E
E
E
E
E
1
3
E
1
4
A
MAIN
BOARD
NO507
MAIN BOARD
CN509
C
B
MAIN
BOARD
CN508
EP602
1-680-319-
21
(21)
DSP BOARD (COMPONENT SIDE)
36 25
1
1
30
90
61
31 60
120 91
12
24
13
37
48
11 1
23 33
12
22
44
34
1-680-319-
21
(21)
A
B
C
D
E
F
G
1 2 3 4 5 6 7 8 9
EP601
(Page 14)
(Page 14)
(Page 14)

ST-S3
1616
5-6. SCHEMATIC DIAGRAM –DSP Board (1/2) –•See page 11 forWaveforms. •See page 11 for IC Block Diagram.
IC603
JR621
C647
C636
C637
C638
C639
C640
R651R652
C642
C643
R641
TP616
R640
R639
R638
R637
R635
R636
TP614
TP615
TP618
TP617
TP611
C742
R623
R601
C601
C602
C740
TP622
R613
R680
R630
C616
C615
R618
C606C607
C612 C739
TP605
TP604
TP603
TP602
TP601
C608
R621
C738
R619
R620
CN602
C721
R754
C614
C609
R654C646
D604
D605
C658
C644
C645
R653
C736
FB604
FB605
Q612
FB608
FB607
R612
R611
R605
R604
R603
R606
R608
R771
Q613
C659
FB601
EP604
CN601
R755
R649
R650
C635
R642
IC605
R602
IC601
JR622
R648
R647
R646
R645
R644
R629
R628
R631
R632
R633
TP621
TP623
R617
R616
R615
R614
IC610
C610 C611
C613
IC602
JR604
C604
R609
R634
C735
C603
EP601
C734
TC74HCT7007AF
0
220
10V
0.01
0.01
0.01
0.01
0.01
470470
0.001
0.001
100
DOUT
100
100
100
100
100
100
BCK
LRCK
D2
D3
BCK
0.001
10k
100
0.1
0.01
0.1
PLOCK
100
3.3k
100
220
10V
0.1
100
0.10.1
0.1 0.001
TDI
TCK
XTRST
MS
TDO
0.1
100
0.001
100
100
21P
220
10V
100
0.1
0.1
10k0.01
1SS355
1SS355
0.1
0.1
220
10V
10k
0.1
0
0
FN1F4M
100
100
100
100
100
100
100
10k
FA1A4M
220
10V
0
GND
4P
100
470
470
0.1
100
AK4527
1k
CXD9617R
0
330
330
330
330
330
100
100
100
100
100
PAGE0
PAGE1
100
100
100
100
NJM2391DL1-26TE1
0.1 0.1
0.1
IS61LV6416-15T
0
0.1
100
100
0.1
0.1
GND
0.1
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
D0
D1
C1
C2
C3
C4
C5
C6
E1
E2
E1
E2
F1
F2
F3
G1
G2
G3
G4
G5
G6
H1
H2
H3
H4
H5
H6
B3
B2
B1
C1
C2
C3
C4
C5
C6
N1
N2
N3
N4
N5
N6
N10
H3
H2
H1
H6
H4
H5
DIG-Tx
DSP-Rx
DIG-CLK
AMP-DATA
AMP-CLK
AMP-LAT
DIR-UNLOCK
DIR-CS
DSP-CS
DIR-Rx
DSP-DECODE
DIR-XSTATE
DSP-ACK
CODEC-SMUTE
D-GND
D-GND
D+5V
A+5V
A-GND
D-GND
D-OUT
A/D,D/A CONVERTER
MUTING
CONTROL
SWITCH
LEVEL SHIFT
AUDIO DIGITAL
SIGNAL PROCESSOR
SWITCH
RESET
+2.6V REGULATOR
O
G
I
S-RAM
(CHASSIS)
(CHASSIS)
(Page 12)
(Page 12)
(Page 17)

ST-S3
1717
5-7. SCHEMATIC DIAGRAM –DSP Board (2/2) –•See page 11 for Waveforms. •See page 11 for IC Block Diagram.
C660
C700
C715
C714
R748
CN603
C733
TP606
TP607
TP608
TP609
TP610
TP624
C709
C708
C707
C706
C705
C712
C713
R750
R751
R749
C711
R747
R734
C720
C717 C719 C718
C732
C634
R779R780R781R756
R757
IC608
C731C730
R707
R703
C729
C699
C722
R761
C689
R762
R776
R775
Q603
JR620
C710
C671
C672
C673
C674
C679
R682
R677
R679
C619
R683
R681
C621
C620
C623
D601
C664
R692
C662
C661
R690R667
R691
X601
C625 C626
C627
R672
R673
R671
C669
C670
C665
TP620
TP613
TP612
R685
R687
R686
R688
C622
C666
R684
R777C691
J601
J602
IC609
EP603
R746
R743
R742
R739
R738
R735
R731 R733
Q607
Q611
R752
C716
R717
R716
R715
R702
C695 R696
C694
R699
R701
R700
C692
C693
R712
Q604
Q605
R709 D606
Q606
R711
R713
R706
R674
R676
C624
C617
C741
C618
R675
FB603
C628
FB602
Q601
C675
C676
C677
FB606
R767
R768
R766
R765
R763
R770
R772
R773
R774
R769
C668
C690
IC604
R760
R759
R758
C686
C687
C678
C667
C631
C630
C704
R730
R689
R697
IC607
EP602C723 C724 C725 C726 C727
C728
R698
R693
R694
R695
JR602
C685
C684
C680
R678
R670R669R668
C629 C632
C633
220
10V
10
50V
220p
220p
100k
23P
0.1
FL
FR
SL
SR
C
A.GND
10
50V
10
50V
10
50V
10
50V
10
50V
470p
220p
12k
47k
12k
470p
100k
1k
220p
0.1 0.1 NO MT
0.1
0.1
47k47k47k47k
47k
SN74LVU04APWR
0.110
50V
47k
1M
10 50V
10
50V
0.1
1k
100
16V
1k
10k
10k
2SC1623
0
10
50V
10 50V
10 50V
10 50V
10 50V
0.1
100
5.6k
4.7k
0.1
100
33k
0.01
0.1
220
10V
RD3.9SB2
0.1
100
0.1
220
10V
1M100
0
13.5MHz
10p 10p
0.1
100
100
100
10 50V
10 50V
0.1
BCK
DATA
LRCK
100
100
100
100
0.1
220
10V
100
10k0.1
6P
1P
TOTX178A
GND
10k
10k
15k
15k
1k
1k
4.7k 1k
2SC3624
2SC3624
47k
220p
1k
47k
1k
1M
0.1 1.8k
0.1
470k
10k
10k
0.1
0.1
47k
2SC1623
2SC1623
00
2SC3624
1k
1k
47k
100
100
0.1
0.1
0.1
0.01
100
0.1
0
2SD1387
1 50V
1 50V
1 50V
47
1k
10k
1k
1k
1k
1k
1k
1k
1k
1k
10 50V
220
10V
LC89056W-E
1k
1k
1k
100 16V
100 16V
10 50V
10 50V
0.01
0.01
2.2
50V
22k
1k
1.8k
M61512FP
GND10
50V 0.1 10
50V 0.1 10
50V
0.1
470k
100
100
100
0
10
50V
10
50V
10
50V
10k
100100100
0.1 0.1
220
10V
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
D0
D1
B1
B2
B3
E1
E2
F1
F2
G1
G2
G3
G4
G5
G6
I1
I2
J1
J2
J3
J4
J5
J6
J1
J2
J3
J4
J5
J6
K1
K2
K3
K6
K7
K8
K8
K7
K6
K5
K4
K3
K2
K1
I1
I2
I6
M1
M2
M3
N6
N4
N8
N3
N2
N10
N1
N7
N5
N9
F3
M1
M2
M3
K4
K5
I6
TUNER L-IN
TC L-IN
TUNER R-IN
TC R-IN
A-GND
VCD L-IN
VCD R5-IN
FL-OUT
FR-OUT
F-GND
LS-OUT
RS-OUT
S-GND
A-GND
A-GND
A+10V
DBFB FEEDBACK
TC REC L-OUT
TC REC R-OUT
MIC-IN
C-OUT
C-GND
LINE-MUTE
L
R
L
R
L
R
IN
OUT
MD
VIDEO
(AUDIO)
IN
SUPER
WOOFER
OUT
OUT
OPTICAL
D.GND
VCC
D.OUT
(CHASSIS)
OPTICAL
TRANSCEIVER
INVERTER
MUTING
MUTING
MUTING
Q604,605
DBFB CONTROL/
FEED BACK SWITCH
REGULATOR
+3.3V
REGULATOR
+5V
Q603
INPUT SELECT SWITCH,
ELECTRICAL VOLUME
EQUALIZER CONTROL,
GRAPHIC
DIGITAL AUDIO
INTERFACE RECEIVER
(CHASSIS)
(Page 16)
(Page 12)

ST-S3
1818
5-8. PRINTED WIRING BOARDS –PANEL Section –•See page 10 for Circuit Boards Location.
FL601
FLUORESCENT
INDICATOR
TUBE
S611
JW45
S610
S604S605
S609S608
S606
S607
S612
S601
S602
S603
R620
X601
C608
C607
C606
R628 R629
R630
R607
R632
R604
R634
R631
R636
R633
R638
R635
C601
R603
JW8
JW6
R605
R618
R619
R621
R622
R623 R624 R625
R626
R627
C610
NO601
R637
R617
C652
JW10
R608
R616
CN602
C605
C653
C654
C655
C656
C657
C658
C659
C660
C661
C662
JW3
C651
R639
R606
D601
JW11
JW57
JW31
JW33
JW36
JW24
C649
C650
JW1
JW4
JW601
JW602
R677
JW114
R602R601
C603
C663
C664
C669
JW5
IC601
NO101
R101
R102
C101
IC101
C665
C666
C615
C614
PANEL BOARD
S601 –612
ENTER –PRESET TUNER MEMORY
STEREO/MONO
TUNER/BAND
–+
+
TUNING
PTY
DMAIN BOARD
CN502
TIMER SELECT
CLOCK/TIMER
DISPLAY
1
3
1-680-696-
11
(11)
1-680-697-
11
(11)
1
1
3
3
SIRCS
BOARD
A
B
C
D
1 2 3 4 5 6 7 8 9 10
•Semiconductor
Location
Ref. No. Location
D601 C-5
IC101 C-10
IC601 B-5
(Page 14)

ST-S3
1919
R617
C101
R102
R101
NO101
IC101
R677
D601
S601
R616
C662
C661
C660
C659
C658
C657
C656
C655
C654
C653
C652
C651
C610
R638
R636
R634
R632
R630
R628
R635
R633
R631
R629
R637 TP605
TP606
TP607
R639 TP604
C650
TP603
R603
C601
R604
R605
C605
R608
C606
S611
S610 R626
R625S609
S608 R624
S607 R623
R622S606
S605 R621
S604 R620
R619S603
S602 R618
NO601
CN602
TP608
FL601
C669
C608
C607
X601
C603
R606
R607
C667 C668
IC601
R601
R602
TP602
TP601
S612
C649
C663
C664
C665
C666
C615
C614
R627
270
47
16V
47
47
3P
GP1U28X
1k
1SS133T-72
100k
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
10
50V
10k
10k
10k
10k
10k
10k
1k
1k
1k
1k
1k
1k
10000p
10k
10000p
100
100
10000p
10k
10
50V
3.9k
2.7k
2.2k
1.5k
1.2k
1k
820
560
470
3P
19P
0.1
0.1
100
6.3V
4MHz
0.1
10k
10k
0.1 0.1
MB90M407PF-G-102
-BND
10k
10k
10000p
10000p
0.1
47
50V
47
50V
220p
220p
5.6k
12
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
34
35
36
47
46
45
44
43
41
40
39
38
37
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
96
97
98
99
7
8
9
10
12
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
43
44
45
46
47
100
101
96
97
98
99
100
101
B1
B2
B3
B4
B5
B6
B7
B8
B9
B9
B8
B7
B6
B5
B4
B3
B2
B1
G7
G6
G5
G4
G3
G2
G1
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
VSS FORIO
VDDFORVFT
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
VSS FOR IO
A33
A34
A35
A36
A37
VKK FOR VFT
MODE0
MODE1
MODE2
VOLA
VOLB
I2C DATA
I2C CLK
AVCC FORANALOG
AVSS FOR ANALOG
KEY0
KEY1
VSS FOR CPU
VCC FOR CPU
G8
G9
G10
G11
A38
G12
KEY1
VOLA
VOLB
JOG2-B
JOG2-A
JOG1-B
JOG1-A
G12
G12
G7
GND
+5V
OUT
GND
+5V
OUT
VF
VF
IIC-CLK
IIC-DATA
-VP
D+3.3V
SIRCS
D-GND
RESET
D-GND
FLUORESCENT INDICATOR TUBE
DISP/STANDBY KEY
EVER+5V(SIRCS)
DISPLAY
REMOTE CONTROL
RECEIVER
XOUT
XIN
RESET JOG1A
JOG1B
JOG2A
JOG2B
DISPLAY CONTROLLER
STEREO/
MONO
TUNER MEMORY
+
-
+
-
PRESET
TUNING
ENTER
TUNER/BAND
TIMER SELECT
CLOCK/TIMER
PTY
5-9. SCHEMATIC DIAGRAM –PANEL Section –•See page 11 for Waveform.
(Page 13)

ST-S3
2020
5-10. IC PIN FUNCTION DESCRIPTION
•MAIN BOARD IC501 M30622MGA-A39FP (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 AMP-DATA O Serial data output to the M61512FP (IC607)
2 AMP-CLK O Serial data transfer clock signal output to the M61512FP (IC607)
3 AMP-LAT O Serial data latch pulse signal output to the M61512FP (IC607)
4 SIRCS I Remote control signal input from the remote control receiver (IC101)
5 DIG-TX O Serial data output to the CXD9617R (IC601), digital audio interface receiver (IC604)
6 DSP-RX I Serial data input from the digital audio interface receiver (IC604)
7 DIG-CLK OSerial data transfer clock signal output to the CXD9617R (IC601), digital audio interface receiver
(IC604)
8 GND —Ground terminal
9 CNVSS —Not used
10 XCIN I Sub system clock input terminal (32.768 kHz)
11 XCOUT O Sub system clock output terminal (32.768 kHz)
12 RESET I System reset signal input from the reset signal generator (IC551) “L”: reset
For several hundreds msec. after the power supply rises, “L”is input, then it changes to “H”
13 XOUT O Main system clock output terminal (16 MHz)
14 VSS —Ground terminal
15 XIN I Main system clock input terminal (16 MHz)
16 VCC —Power supply terminal (+5V)
17 NMI I Non-maskable interrupt input terminal Fixed at “H”in this set
18 RDS-INT I Serial data transfer clock signal from the RDS decoder on the FM/AM tuner unit
19 ——
Not used (open)
20 RDS-DATA I Serial data input from the RDS decoder on the FM/AM tuner unit
21 ST-MUTE O Tuner muting on/off control signal output to the FM/AM tuner unit “L”: muting on
22 ST-CE O Chip enable signal output to the FM/AM tuner unit
23 ST-DOUT O Serial data output to the FM/AM tuner unit
24 ——
Not used (open)
25 ST-DIN I Serial data input from the FM/AM tuner unit
26 ——
Not used (open)
27 ST-CLK O Serial data transfer clock signal output to the FM/AM tuner unit
28 ——
Not used (open)
29 IIC CLK I/O Communication data reading clock signal input or transfer clock signal output with the display
controller (IC601) and CDP-S3
30 IIC DATA I/O Communication data bus with the display controller (IC601) and CDP-S3
31 to 34 NO-USE —Not used
35 to 40 ——
Not used (open)
41 M-RESET O Reset signal output to the display controller (IC601) “L”: reset
42 to 50 ——
Not used (open)
51 NO-USE —Not used
52 to 57 ——
Not used (open)
58 EXP-IN DATA I Serial data input from the I/O expander in the TA-S3
59 EXP-OUT DATA O Serial data output to the I/O expander in the TA-S3
60 EXP-LAT O Serial data latch pulse signal output to the I/O expander in the TA-S3
61 EXP-CLK O Serial data transfer clock signal output to the I/O expander in the TA-S3
62 VCC —Power supply terminal (+5V)
63 SOFT-TEST I Soft test output terminal Not used (open)
Pin No. Pin Name I/O Description
64 VSS —Ground terminal
65 to 70 ——
Not used (open)
71 LINE-MUTE O Audio line muting on/off control signal output to the audio line circuit “L”: muting on
72 ——
Not used (open)
73 DISPLAY KEY I DISPLAY switch (S601) input terminal
74 POWER KEY I Power on/off switch in the TA-S3 input terminal
75 DIR-UNLOCK I PLL lock error and data error flag input from the digital audio interface receiver (IC604)
76 DIR-CS O Chip enable signal output to the digital audio interface receiver (IC604)
77 DIR-XSTATE I Source clock switching monitor input from the digital audio interface receiver (IC604)
78 DIR-RX I Read data input from the digital audio interface receiver (IC604)
79 CODEC-SMUTE O Soft muting on/off control signal output to the A/D, D/A converter (IC605) “L”: muting on
80 DSP-ACK I Acknowledge signal input from the CXD9617R (IC601)
81 DSP-CS O Chip select signal output to the CXD9617R (IC601)
82 DSP-DECODE O Decode signal input from the CXD9617R (IC601)
83 to 86 ——
Not used (open)
87 STEREO I FM stereo detection signal input from the FM/AM tuner unit “L”: stereo
88 TUNED I Tuning detection signal input from the FM/AM tuner unit “L”: tuned
89 to 91 ——
Not used (open)
92 MODEL-IN I Model setting terminal
93 SPEC-IN I Specification setting terminal
94 ——
Not used (open)
95 V-MUTE O Video muting on/off control signal output terminal “L”: muting on Not used (open)
96 AVSS —Ground terminal
97 ——
Not used (open)
98 VREF IReference voltage (+5V) input terminal
99 AVCC —Power supply terminal (+5V)
100 AC-CUT I AC cut on/off detection signal input from the reset signal generator (IC551)
“L”: AC cut on, “H”: AC cut off or checked