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X-HM20-K
Pioneer X-HM20-K Service Manual
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29
X-HM20-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
LC1207CC3TR33
Optional
Optional
1.22v
1.22v
C227
104P
C22
8
104P
C229
1
u
F
C231
220
u
F
1
V
I
N
3
STBY
5
V
OUT
4
N
C
2
G
N
D
U4
AP2121-1.
8V
FB6
121
R4
10K
C42
104P
FB
8
121
C44
104P
2
V
I
N
3
V
OUT
1
G
N
D
IC
8
C1
104P
C41
10
u
F
C
88
220
u
F
C79
10
u
F
FB12
121
C
8
4
104P
C
8
6
220
u
F
L501
15
u
H/3A
C512
10nF
C507
104P
C50
8
10
u
F
R504
56K
R505
12K
D501
S240
D503
LL414
8
3
W
5
14
8
2
L502
15
u
H/4A
C561
10nF
C556
104P
C557
10
u
F
R554
39K
R555
12K
D551
S340
R553
15K
D552
LL414
8
C552
5.6nF
3
SW
5
FB
1
BS
6
COMP
HIELD
MP1430
C97
104P
C9
8
104P
C100
104P
C101
220
u
F
3
V
I
N
2
V
OUT
1
G
N
D
IC6
AMS1117
C102
220
u
F
D2
PMEG2010EA
C53
104P
C24
104P
C54
4.7
u
F
D13
N
A/PMEG2101EA
FB2
121
C555
470
u
F
C506
470
u
F
A
C601
470
u
F
MMBT 3906
Q602
S
8
050
Q603
S
8
050
R603
1K
R604
4R7
R605
2R2
D509
SS14
R602
15K
C6
470
u
F
C
8
104P
C13
470
u
F
C51
104P
+3
V
3
+3
V
3
1
V8
V
DD_1
V8
V
DD_3
V
3
MCU_+5
V
IPOD_5.1
V
USB_5.1
V
OTHER_3
V
3
A_+5
V
6
+3
V
3
1
V8
1
V8
+3
V
3
USB5.1
V
A
3/7
28
30
Table of Contents
Safety Information
2
Table of Contents
3
Service Precautions
4
Notes on Soldering
4
When Replacing CD Mecha Unit
4
Specifications
5
Basic Items for Service
6
Pcb Locations
6
Jigs List
7
Block Diagram
8
Overall Wiring Diagram
8
Overall Block Diagram
10
Diagnosis
11
Troubleshooting
11
Protection Circuit
12
Service Mode
12
Disassembly
13
Each Setting and Adjustment
19
Updating of the Firmware
19
Exploded Views and Parts List
20
Packing Section
20
Exterior Section
22
Schematic Diagram
24
Main Pcb Assy (1/7)
24
Main Pcb Assy (2/7)
26
Main Pcb Assy (3/7)
28
Main Pcb Assy (4/7)
30
Main Pcb Assy (5/7)
32
Main Pcb Assy (6/7)
34
Main Pcb Assy (7/7)
36
Ipod PCB ASSY (X-HM20 ONLY)
38
Radio Pcb Assy
40
Display Pcb Assy
42
Key-Switch Pcb Assy
44
Headphone Pcb Assy
45
Power Pcb Assy
46
Usb Pcb Assy
48
Pcb Connection Diagram
50
MAIN and Ipod PCB ASSYS
50
DISPLAY and KEY-SWITCH PCB ASSYS
54
Radio Pcb Assy
56
HEADPHONE and USB PCB ASSYS
57
Power Pcb Assy
58
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Pioneer X-HM20-K Specifications
General
Brand
Pioneer
Model
X-HM20-K
Category
Car Receiver
Language
English
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