Pioneer X-HM20-K Service Manual

35
X-HM20-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
Front panel board interface
oard interface
Standby_LED_CTL
for AUX_DET
don't populate
don't populate
R21
1K
R28
1K
R35
1K
R36
1K
FB10
121
FB13
121
C890
104P
R890
2R2
R54
1K
R56
1K
R57
15K
R59
15K
R63
100R
FB4
121
FB14
121
R13
10K
R14
10K
C11
100pF
C12
100pF
R18
1K
R23
100K
R26
NC
R29
NC
C17
NC
C19
NC
R89
68K
C55
1uF
C57
1uF
Q14
3904
R90
750K
R93
4K7
C58
2.2uF
D6
LL4148
D7
LL4148
R98
15M
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J14
CON16_S
Pitch1.0
C65
104P
C66
104P
1
2
3
4
5
6
7
J3
7P2.0mm
T56 T57 T58 T59
T60
T61 T62
C46
0R
C47
0R
C48
0R
C49
0R
T79 T80 T81 T82 T83 T84 T85 T86 T87 T88
T89 T90 T91 T92 T93 T94
R75
68K
C92
2.2uF
C93
2.2uF
C94
2.2uF
9
B
10
B
11
B
B21
13
B
14
15
B
16
C
C95
2.2uF
C59
4.7uF
R124
10K
K
C133
4.7uF
C134
4.7uF
R156
10K
R157
10K
C135
3300pF
C137
3300pF
R170
NA
R172
NA
R173
1K
R174
1K
Q8
3904
Q10
3904
R5
220R
R15
220R
Q11
MMBT 3906
R24
47K
R45
10K
C2 10uF
R47
121
R77
121
R97
47R
R99
47R
C138
22nF
C140
22nF
0
C795
102P
SPI_CS0
SPI_MOSI
SPI_CLK
VFD_RESET
KEY0
LCD_D1
ROTARY_A
ROTARY_B
OTHER_3V3
IRDA
AUX_FRONT_L
AUX_FRONT_R
EARPHONE_R
EARPHONE_L
EARPHONE_IN_DET
+3V3
OTHER_3V3
KEY2
VF1
VF2
-VP
+3V3
REAR_RCA_IN_L
REAR_RCA_IN_R
KEY0_FRONT
LCD_D0
MAX_L
TUNER/DAB_R
REAR_RCA_R
AUX_FRONT_R
DVD_R_CH
A_+5V6
MAX_L MAX_R
A_+5V6
AUDIO_IN_AGND
KEY
A
6/7
F
SCN802
D
CON201

Pioneer X-HM20-K Specifications

General

Brand	Pioneer
Model	X-HM20-K
Category	Car Receiver
Language	English