Service manual
SD-EX200
– 20 –
Figure 20 SCHEMATIC DIAGRAM (3/10)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 11.
+9V
-6.8V
+3.3V
+7.9V
+9V
CNP601
P23 12 - E
TO DISPLAY PWB
1.5
0.22
0.22
0.22
0.22
1.5
0.22/50
220
1.2
K
DS1SS133
KRC107 M
KRA107 M
0.0047
2.2
2.2
0.0047
680P
100K
220
1.2
K
47
KRA102 S
MA111
4.7K
1M
DS1SS133
MA111
KTC3875 GR
KTC3875 GR
KRC
1
KRC102 S
4.7/50
4.
7
KRA102 S
KRC107 S
DS1SS133
DS1SS133
0.001
DS1SS133
1M
10/50
KTC3875 GR
4.7K
4
0
1K
180P(CH)
180P(CH)
1K
1K
0.01
4.7K
3.3K
4.7K
KTC3199 GR
3.3K
KTC3199 GR
2.2/50
2.2/50
3.3/16
22/16
0.022
180P(CH)
100/16
4.7K
4.7K
270
270
2.2/50
2.2/50
47P(CH)
0.0022
1/50
LC75341M
AUDIO
PROCESSOR
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
47P(CH)
1K
10/50
1/50
1K
1K
0.0022
10/50
1K
1K
1K
DS1SS133
1K
1K
1
3
2
DS1SS133
KRC107 M
DS1SS133
8.2K
0.022
1K
1K
DS1SS133
DS1SS133
DZS3.3
B
10/16
DZS5.1
180
10/16
330
10K
3.9K
470P3.9K
470P
15K
15K
2SK246 GR
OFFSET_COMPRA
OFFSET_PROTECT
AD_RESET
SP_RELAY
SURROUND
P_GND
+A7.9V
TUN_CE
TUN_DI
TUN_CLK
DT_CONT
DT_CONT
DT_CONT
FAN_LOCK
FAN_MOTOR
P_OUT_LEVEL
SP_RELAY
CD_DRF
CD_WRQ
CD_RES
CD_LCH
S_MUTE
SURROUND
TUN_DO
TUN_CLK
TUN_DI
TUN_CE
PROTECT
A_GND
CD_RCH
TUN_CE
TUN_DI
CD_D_GND
DIG_FUNC
CD_DRF
CD_RES
CD_WRQ
CD_DO
CD_DI
CD_CLK
CD_CE
LID_SENS
DIG_FUNC
CD_DO
CD_DI
CD_CLK
CD_CE
LID_SENS
A/D_RESET
OFFSET_PROTECT
PROTECT
S_MUTE
PROTECT
PROTECT
TUN_CLK
TUN_DO
D+5V(SWD)
CD_D_GND
(TUNER)
(AUX)
CL
VDD
R1L1
L2
L3
L4
LSELO
RSELO
R4
R3
R2
VREF
R-BASS
R-TRE
R-OUTL-OUT
VSS
CE
DI
R-INL-IN
L-TRE
L-BASS
(CD/MD)
+ 7.9V
A_GND
H/P_L_OUT
H/P_R_OUT
DIG_FUNC
CD_WRQ
CD_RES
CD_DRF
CD_DO
CD_DI
CD_CLK
CD_CE
LID_SENS
CD D_GND
+A3.3V
CHASSIS
AUX IN
L-CH
R-CH
P19 12 - D ~ G
FROM CD SECTION
D+5V(SWD)
D_GND
+5.1V
A_+3.3V
P_GND
-6.8V
CE
CL
DO
CD_R CH
A_+7.9V
CD_L CH
A_GND
FM_DET
TUN_R
TUN_SM
VCC_9V
TUN_L
A_GND
A GND
DI
343332262521 242322 30292820 2719171615
9
10
87
18
562341
13 141211 31
1
1
11
2
3
5
6
4
7
8
9
10
11
12 345 6
12 345 6
13 456 7
CD_D_GND
+/—9V_GND
P_GND
MICOM_D_GND
P_GND
CD A GND
431
5
2
TO TUNER UNIT
CN
S
P24
FROM PO
W
MAIN PWB-A1 (2/2)
6
5
4
3
2
1
7
8
9
10
11
12
13
14
15
16
D
S
G
1
23
1
23
1
3
2
1
1
3
2
2
3
1
2
3
1
2
3
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
+B
+B
+B
+B
+B
+B
+B
1
34
Q535, Q536:
SURROUND ON/OFF
BASS
CONTROL
BASS
CONTROL
SWITCHING
QS03~QS05:A/D RESET SWITCHING
QS06~QS08: OFFSET
S
SWITC
SURROUND
0.022(ML)
CHASSIS
GND
R511, R512: 1.2K
(SERIAL NO. 30300001~30400519)
[FOR U.S.A.]
(SERIAL NO. 30400001~30400050)
[FOR CANADA]
820
(SERIAL NO. 30600520~) [FOR U.S.A.]
(SERIAL NO. 30600051~) [FOR CANADA]
R541, R542: 1
K
(
[
(
[
1
(
(
R525, R526: 1.2K
(SERIAL NO. 30300001~30400519)
[FOR U.S.A.]
(SERIAL NO. 30400001~30400050)
[FOR CANADA]
1.8K
(SERIAL NO. 30600520~) [FOR U.S.A.]
(SERIAL NO. 30600051~) [FOR CANADA]
C501
CNPS01
QS02
DS04
RS03
RS04
DS02
CS06
DS01
QS06
QS07
QS0
1
CS02
R
S
QS03
QS05
DS06
DS05
CS05
DS03
RS05
CS03
QS08
RS06
R
C
QS04
BI502
CNS502
C530
C512
C516
R503
R512
C504
C503
C572
C502
C514
R502
C570
C571
R501
C513
C511
C531
C515
R511
C566
R525
R527
Q551
R513
C523
C521
C527
R515
C525
R519
R517
R578
C565R577
C564
R579
JT501
AUX INPUT
R580
C519
R528
R526
R514
Q552
C522
C524
R520
C520
R516
R518
C537
Q535 Q536
R53
D535
C536
R5
3
Q538
R5
3
C535
R555
R521
R524
R522
R523
C528
C526
C538
R556
R557
R53
5
R558
ZD400
R400
C406
R409
R408
D404
D403
Q400
D400
R402
C410
C411 ZD40
2
R405
D402
R412
R411
D401
R403
CNP502
CNP501
IC501
FFC502
FFC501
CD SIGNAL
AUX SIGNAL
FM SIGNAL