89
17.5. MAIN CIRCUIT (4/4)
15
1
6
1
7
18
19
2
0
2
1
22
2
3
2
4
2
5
26
27
2
8
I
J
L
M
N
P
O
K
S
CHEM
A
TIC DI
A
GR
A
M - 5
TO M
A
IN
S
ECTION (
2
/4)
P1
9
TO M
A
IN
S
ECTION (3/4)
TO
P
A
NEL CIRCUIT
(CN900) IN
S
CHEM
A
TIC
DI
A
GR
A
M -
6
S
C-HC
2
0G
A
/GN M
A
IN CIRCUIT
3/4
4/4
1/4
2
/4
TO
S
MP
S
CIRCUIT
(CN905*) IN
S
CHEM
A
TIC
DI
A
GR
A
M - 9
TO
BRIDGE 1 CIRCUIT
(P910) IN
S
CHEM
A
TIC
DI
A
GR
A
M - 8
M
A
IN CIRCUIT
: +B
S
IGN
A
L LINE
:
A
UDIO OUTPUT
S
IGN
A
L LINE
: CD
A
UDIO INPUT
S
IGN
A
L LINE
:
A
M/FM
S
IGN
A
L LINE
: iPod/iPhone/
A
U
X
A
UDIO INPUT
S
IGN
A
L LINE
PDET1
D5
2
4
B0E
A
KM00011
7
D5
2
0
B0E
A
KM00011
7
3
1
2
D51
7
B0
A
DE
J
000041
PDET1
3
1
2
D519
B0
A
DE
J
000041
V
OLT
A
GE REGUL
A
TOR
V
OLT
A
GE REGUL
A
TOR
POWER CONTROL
PCONT
S
WITCH
PCONT
S
WITCH
6
8
9
7
2
1
4
5
3
10
11
CN11
2
M5.5
V
Q
509
B1B
AAJ
000003
R519
1.
2
K
R518
C513
D518
B0BC
6
R100010
C5
2
1
0.1
V
CC_GND
C511
LDO REGUL
A
TOR
V
OLT
A
GE REGUL
A
TOR
OPEN_
S
W
V
CC_GND
G
2
G1
Z
A
500*
7
.5
V
Q
51
2
B1BCCG0000
2
3
R5
2
9
V
CC_GND
CLO
S
E_
S
W
R51
6
S
TDB
Y
3.3
V
2
4
3
1
6
5
P101
B1GDCFGG00
26
Q
581
D
6
0
7
D
6
09
0
R50
2
R501
L
6
50
G0
A2
00D0000
2
R985
0
B0
A
CCK00001
2
D51
6
SYS
5
V
PCONT_IPOD
R500
PCONT
C
6
50
6
.3
V22
0
LID_RIGHT
MOTOR DRI
V
ER
LID_LEFT
M5.5
V
8
5
4
6
2
1
3
7
9
C0G
A
E000000
7
IC
6
50
4
3
1
2
5
IC500
C0D
A
E
J
G00001
0.1
C5
2
0
C51
7
SYS
5
V
TEMP_DET
3
1
2
4
5
C0CBCBC00090
IC503
R530
Q
511
B1
A
BDF0000
26
V
CC
D
6
10
B0HCMM000019
D
6
08
B1GBCF
J
N0033
Q
R80
7
C514
D515
B0BC
7
R5
A
0
266
V
CC_GND
V
CC_GND
5
6
1
1
3
4
2
8
8
7
P100
M
A
IN
V
_DET
V
CC_GND
V
CC_GND
C510
C501
0.1
C
6
5
2
7
.5
V
C515
10
V
100
0.1
C
6
51
C
6
53
R531
V
CC_GND
B0E
A
KM00011
7
D5
2
1
B0E
A
KM00011
7
D5
2
3
B0E
A
KM00011
7
D5
22
7
.5
V
D3.3
V
V
CC_GND
U
S
B_5
V
A
9
V
CTL
M+
GND
NC
M-
GND
MOTOR_5
V
LID_LEFT
LID_RIGHT
GND
V
CC
GND
C
10K
1
6V22
4
7
K
4.
7
K
OUT
7
.5
V
D3.3
V
REM_IN
S
TDB
Y
3.3
V
LCD_WR
PWRGND
LCD_CE
LCD_DI
DIMMER
KE
Y2
S
TDB
Y
3.3
V
REM_IN
DIMMER
R899
KE
Y
1
KE
Y2
S
TDB
Y
3.3
V
R898
V
CC_GND
7
.5
V
D3.3
V
LCD_WR
LCD_CE
LCD_D
A
T
A
10K
10K
KE
Y
1
10
V
100
GND
V
in
NC
CD3.3
V
6
.3
V
100
V
stdby
10
V
10
6
80
0.1
100
1K
1K
V
REF-
11.5
V
0.1
M-
M+
V
CC
PO
S
ITION (OPEN)
PO
S
ITION (CLO
S
E)
INT_3.3
V
1
6V22
00
V
CC GND
SYS
5
V
SYS
5
V
V
CC GND
M
a
in
V
_DET
TEMP_DET
V
CC
1
11
100
B0HCMM000019
B0HCMM000019
Summary of Contents for SC-HC20GA
Page 12: ...12 5 Location of Controls and Components 5 1 Main Unit Remote Control Key Button Operations ...
Page 13: ...13 6 Operating Instructions 6 1 Connections 6 2 Disc operations ...
Page 14: ...14 6 3 Notes on CD R and CD RW 6 4 External unit iPod or iPhone ...
Page 24: ...24 9 2 Types of Screws ...
Page 25: ...25 9 3 Main Parts Location Diagram ...
Page 82: ...82 ...
Page 84: ...84 ...
Page 102: ...102 ...
