Service manual

P12V_IN
IR1
IR2
IRVCC
GND 3,4,6,7,8,9,10,11,12,13,14,15,16,17
P5VS9 P3P3VS 4,9
PWR_DOWN 9
P12V13,14,16,17
FAN2_E 17
FAN2_B17
LAMPEN 9
GND3,4,6,7,8,9,10,11,12,13,14,15,16,17
LAMP_RXD 9
LAMPLIT 9
P5V 3,4,6,7,9,13,16,17
IRRCVR 9
P5VS
P5VS P3P3VS
P12V
P5V
P3P3VS
P5VS
P5VS
P5VS
P5VS
POWER FROM DC/DC BOARD
3.3V POWER
Lamp circuit
IR circuit
C5
0.1U K
R16
10K J
TP179
C176
0.1U Z
L4 Z120
TP80
L18 Z30
C6
4.7U Z
Q1
2N3904S
B
E C
U17
G960T63UF
GND
1
VOUT
2
VIN
3
OUT
4
TP31
C177
0.1U Z
R13 10K J
TP48
TP27
TP182
TP46
TP26
C172
4.7U M
L15 Z30
TP32
L14
Z30
TP180
C179
10U Z
TP33
R19
510 J
C171
0.1U Z
L5
Z120
R17
10K J
TP49
RA8 2K
R15 270 J
L19 Z30
U7
74AHC1G08GW
1
2
3
4
5
C175
4.7U M
TP21
TP20
TP28
L17 Z30
C173
22U 25V
TP47
R184
1M
R18 100 J
U8
TSOP14838
VOUT
1
GND
2
VCC
3
TP181
L16
Z30
J10
2K71072207
1
1
3
3
5
5
7
7
9
9
11
11
2
2
4
4
6
6
8
8
10
10
12
12
13
13
14
14
+ C178
<Spec>
100U 16V
12
J6
2KL2021005
1
1
2
2
3
3
4
4
5
5
G1
G1
G2
G2
TP22
TP45
R203
0
TP183
R14 100
C174
22U 25V
TP50
TP19
J8
2KL2021003
1
1
2
2
3
3
G1
G1
G2
G2
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