Pioneer X-HM20-K Service Manual page 37

5
15
OPIN- OPOUT
16
OPIN+ GND
17
DO3.1 DO2.2
18
DO3.2 DO2.1
R146 5K1 19
DI3.1 DI2.2
20
DI3.2 DI2.1
21
VCC1 GND1
30
22
VCC2 MUTE
23
VREF REO
24
DI4.1 REG
147 8K2
25
DI4.2 DI1.2
26
DO4.1 DI1.1
27
DO4.2 DO1.2
28
GND DO1.1
U7
R133
2R2
R120 15K
R128
2R2
R94
MD
10R
VCC1
VREF
B
A
C
D
F
E
C117 104P
2
3V3_CDA
C127
16.9344MHZ
47uF
3V3_CDA
5
6
14
13
12
11
10
R30
6K8
9
8
29
7
6
5
4
R143 6K8
3
2
1
7.5V/1.5A
SPINDLE
SLEDGE
FOCUS
MOTO_7V
RADIAL
3V3_CDD
HOME_SW
V4
LD
2R2
3V3_CDA
VREF
VCC1
R138 2R2
6
SP+
SP-
SPINDLE
OTHER_3V3
V4
470uF
FOCUS
C74
FOC+
FOC-
CD/DVD_ON
Must be populated all mode
SP+
SP-
+6V5VCC
SL+
SL-
HOME_SW
FOC-
RAD-
RAD+
FOC+
MD
VR
VR
LD
VCC1
VREF
X-HM20-K
7
Q13 SS8550
Q3 3904
R42 1K
F
C
B
A
D
E
DA11
7
8
A
CD_3V3
B
470uF
C73
C
CN06P/2.0
6
5
4
3
2
1
J13
D
CN3
16
FCS-
15
TRK-
14
TRK+
13
FCS+
12
PD
11
VR
10
LD
9
GND
8
F
7
C
6
B
5
A
4
D
3
E
2
VCC
1
VREF
E
CON16_DA11
F
A
7/7
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