Service manual
– 23 –
SD-EX200
Figure 23 SCHEMATIC DIAGRAM (6/10)
7
8 9 10 11 12
KRC104 M
304BC2E9
150
150
A503BC2E
0.01
1K
100/10
0.001
27
27
0.01
0.01
10K
47K
270
10K
100P
100P
100P
100P(CH)
4.7K
4.7K
4.7K
1K
1K
1K
1K
1K
220K
2.2 µH
10/16
18
GP1UM271
21
0.022
150P(CH)
22
1K
82K
1/50
470K
DS1SS133
4.7/50
0.1
KRC104 M
0.01
150
150
470/10
KRC104 M
680
100P
(CH)
100K
10K
1/50
1K
21
DS1SS133
DS1SS133
1K
1K
270
0.022
1K
100/16
1K
1K
18P(CH)
0.022
1.2K 1K
1K
1K
1K
12P(CH)
1K
1.5K
820
DS1SS133
DS1SS133
DS1SS133
1K
1K
1.8K
100P
100K
1K
4.7K
304VT2E2
1K
1K
1K
47K
270
2.7K
FL DISPLY
IX0557AW
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
2.2K
270
10/16
PST9140
RESET
21
3
0.01
3
70 69 68 67 66 65 64 63 62 5152535455565758596061
16 17 18 19 20 21 22 23 24 30292827262512 13 14 15
78645321
3
1/50
0.047
0.047
6
17
18
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 454443424140
CHASSIS_GND
P_OUT_LEVEL
P_OUT_LEVEL
SP_RELAY
TUN_CE
TUN_DI
TUN_CLK
TUN_DO
SURROUND
S_MUTE
H/P_R_OUT
A_GND
H/P_L_OUT
FAN_LOCK
FAN_MOTOR
TUN_SM
PROTECT
D+5V(SWD)
D_GND
A/D_RESET
OFFSET
LID_SENS
CD_CE
CD_CLK
CD_DI
CD_DO
CD_WRQ
CD_RES
CD_DRF
DIG_FUNC
A/D_RESET
DIG_FUNC
RESET
PWR_LEV_1
PWR_LEV_2
CD_RES
CD_CE
OFFSET
TUN_DI
TUN_CLK
TUN_CE
TUN_DO
H/P_R_OUT
H/P_L_OUT
H/P_SW
CD_DI
S_21
S_20
CD_DRF
S_9
PWR_LEV_2
CD_CLK
S_3
S_4
S
_
10
D_6
D_7
D_8
D_9
RESET
KEY2 S_23
CD_DO
+B_CHK
KEY3
SP_RELAY
S_12
S_22
S_5
S_6
S_10
S_11
S_7
S_8
S_1
S_2
S_24
CD_WRQ
S_18
S_17
PWR
_
LEV
_
1
S_MUTE
D_1
D_2
D_3
S_16
S_15
S_14
S_13
S_19
S_12
S_11
D_4
D_5
SYSTEM
MICROCOMPUTER
DT CONT
40V RELAY
DT CONT
+7.9V
NC
NC
NC
NC
F+
F+
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
9G
8G
7G
6G
5G
4G
3G
2G
1G
NP
NP
HEADPHONE PWB-B2
GND
L
R
SEG 23 OE(FLASH)
CD CE SDA(FLASH)
-B CONT
VSS(FLASH)
CNVSS VPP(FLASH)
VCC(FLASH)
+B CHK
PWR LEV 2
PWR
LEV
1
SEG24
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG11
SEG12
SEG10
DO
DI
CLK
CE
POWER
RX_IN
CD_DO
4.19 MHz
OFFSET
CD RES
BASS/TREBLE
P_IN
CD_CLK
CD_DI
A/D_RESET
DIG_FUNC
CD_FUNC
SP RELAY
TIMER_STBY
S MUTE
ON/STAND-BY
OPEN/CLOSE
X_IN
X_OUT
RESET
CD DRF
CD WRQ
SKIP/TUNING UP
POINT
RESET
4
5
1
3
34
33
32
30
31
3
2
1
7
6
5
4
17
16
15
14
21
20
19
18
25
24
23
22
29
28
27
26
13
12
11
10
9
8
6
3
4
1
2
5
3
4
1
2
5
AN78L05
VOLTAGE
REGULATOR
CNP501
P20 4 - H
TO MAIN PWB
DISPLAY PWB-B1
11
23
32
1
34
REMOTE
SENSOR
1
23
+B
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
+B
+B
RESETRESET
+B
SWITCHING
FL601
Q607
LED602
R761
IC780
D780
D781
C780
C781
C782
LED604
R762
C620
R743
R785
R783
R742
R779
R778
R777
BI602
CNS602
CNP602
C634
JHP601
HEADPHONES
R648
R649
C632
C633
R772
C614
C617
C616
C615
CNP603
R647
R646
R645
R639
R641
R644
R643
R642
IC701
R620
R614
R613
R619
R618
R612
R615
R616
R739
LED601
R627
C608
C607
C609
C605
R623
XL601
C637
L601
R630
R628
RM601
C611
C612
C613
R659
R670
C786
C636
R741
CNP601
R638
R731
Q606
Q608
IC608
R717
SW604
D615
D616
D617
C604
R673
R718
SW611
R724 R723
SW609
SW610
R725
C650
R774
R776
C651
R775
C630
C627
C629
R729
R730
C628
D605
C638
C639
R631
R634
R635
R637
R636
R632
R633
R671
FFC501
FM SIGNAL