Service manual

UX-A255U
Video processing/Motor drive/Thermal block 5/6
6 – 5
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
6 6
5 5
4 4
3 3
2 2
1 1
VG
VG
VO
DG
VG
MG MG
VMT
VMT
TPAD
TPBD
TPAD-
TPBD-
THG
THG
THG
MG
VTH
VTH
DG
(1-2F)
(3-3A)
(3-3A)
(1-1F)
(1-1E)
(1-1E)
(1-1E)
DG
+24V
GLED
DG
(5-5I)
(5-3A)
VG
THG
THI
THVDD
THADI
DG
(1-2F)
DG
CISVDD
THG
THG
+24VL
(3-4A)
(5-3D)
(3-2B)
(5-5H)
DG
DYNA
ROHM
0Ω
N.M.
N.M. 0.01u/50V
300Ω (2W) 1000p/50V
R1 R192 C124CIS Maker
<TP109>
<TP141>
<TP17>
<TP20>
<TP138>
<TP137>
<TP136>
<TP135>
<TP134>
<TP133>
<TP131>
CISVDD
+24V
+24V
+3.3V
+3.3V
+24V
CISVDD
R1 N.M.
R172
22K
C117
0.1u/50V
R149 100k
R192
0
C114
0.1u/50V
Q100
KTA1504GR
B
C
E
R152
20K
R150
470K
R171
120K
C1
220u/6.3V
IC6
KID65001AP
8
1
2
3
4
5
6
7
10
11
12
13
14
15
16
9
E
1B
2B
3B
4B
5B
6B
7B 7C
6C
5C
4C
3C
2C
1C
COM
Q102
KRC106
B
C
E
<VIN>
<VO>
FU100
KAB2402
ZD1
1N4748
<VG>
R163
0.1u/50V
D1
D2
D3
D4S1
S2
S3
G
Q108
SI4431DY
4
5
8
3
1
2
6
7
C161
N.M.
Q111
KRA102S
B
C
E
C160
1u/10V
R151 100k
C178
N.M.
ZD100
02CZ18-Y
R120
5.1K
R107
10K
+
C5
N.M.
+
C3
10u/50V
L103
0
L100
0
Q110
KRC102S
B
C
E
R119 0
C124
0.01u/50V
VIN
TPA
TPB
TPA-
TPB-
VTHON
CNCIS-1
CNCIS-3
CNCIS-2
CNMT-5
CNMT-6
CNMT-4
CNMT-3
CNMT-2 CNMT-1
CNTH-1
CNTH-15
CNTH-6
CNTH-7
CNTH-8
LEDON
CNCIS-6
LEDON-
LEDON-
CNTH-4
THADI
CNTH-9
CNLIUA-3
CNCIS-7
THCHK-
THCHK
THCHK-
THLOOK
+
NOTE:
This marks is satety-cirtical parts.