Pioneer SC430 Service Manual page 13

5
TUNL
TL
Q401 Q402
CDL
Q405(2/2)
FMMUT
ldet
T
CN303
1
Q702
SW5V
Q301
19
CD9V
CD MUTE
18
17
16
5
VDCONT
13
TAPE MUTE
X601
Q607
12 RESET
SW5V
Q304
8 bsen
4
5
6
FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91
Q307(2/2)
SW5V
Q861
TUNB 8R5V
Q862
FMB
Q864(1/2)
Q863
AMB
Q864(2/2)
RESET
IC 603
1 2
VDD
RESET
S-80730ANDT
1 90 12
44
RESET
SL FMSD
AMPW
67
FMMUT
43
FMPW
19
ldet 53
sysmute
bsen
66
AMMUT
75
bsens
25
57K
73
47 asens
SFIX
23
ilsens
94
ILL-
30
TX
29 RX
15
RX1
XIN
21
RX2
22
IPPW
13
51
XOUT
MUTE
41
ANTPW
95
50
ANT0
TAPMUTE
SYSTEM
98
ANT1
CONTROLLER
68
DOS
IC 601
PD5567A
4
LAMP
61
ILL
49
CDILL
28
BLIGHT
Q831
52
SYSPW
57
mode
59
ENC2-
58
ENC2+
54
power
56
ENC1-
55
ENC1+
cdej
csej
20 74
CN804
14 15 23 18 19 17 21
14 15 23 18 19 17 21
CN902
DCLOSE CDEJ CSEJ
IC 901
LC75804W
KEY CONTROLLER
VR902 VR901
LCD DRIVER
POWER VOL AUDIO TUNE
KEY
MATRIX
LCD901
6
BALANCE TO UNBALANCE CONVERTER
MIXING AMP
SYSTEM MUTE
IC301 IC302
2 1 2 1
NJM2068MD NJM2068MD
Q303
Q305
Q307(1/2) Q308
BU
HARD MUTE
AVC-LAN MUTE
Q801
MUTE
ISENS
Q805
ilsens
BSENS
Q806
bsens
ASENS
Q807
asens
ILL-
Q825
ILL-
AVC-LAN BUS DRIVER
1
TX
IC602
2
RX
HA12187FP
8
IPPW
BU
Q872
ANTPW
DOS
ANT0
ANT1
Q822
VDD
Q823
Q820 Q819
Q818
Q829
Q830
22 20 11 9 13 6 7 8
22 20 11 9 13 6 7 8
Q901
ILL
SYSPW
Q902
ILL
C
KEYBOARD UNIT
7
ANALOG SWITCH
4 3
IC305
TC74HC4066AF
IC303
2 1 1 2
NJM2068MD
+B
BU
ILL+
TX+
MUTE
L+
BU
MUTE
+B
FUSE
BU 5A
6
5
Q871
VDD
Q604
ANTA
DOS1
BU
ANTA TXS+
Q891
Q892
ANTB
Q893
Q894
Q804
VDD5 BU
Q811
8R5V
Q813
Q812
Q809
VDCONT SW5V
CD9V 8R5V
Q814
Q816
Q815
CD 9V REGULATOR AUDIO +B REGULATOR
7
8
A
ACC
ILL-
ANT+
TX-
L-
CN801
L+
L-
TXM-
TXM+
ACC
CN803
B
ANTB
TXS-
CN802
C
BU
Q808
Q802
D
13
8