Service manual

XE-A201US
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CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT
VH
VH +7.5V
ZD1
PTZ9.1B
C3
4700uF
16V
IPEAK>12A :100%
/VPON
with FUSE
Q1
KTD998
R2 10(FUSE)
D2
FMB-G24H
L1
63uH
R3 5.6K
R4 20KF R5 3.6KF
6,8pin:N.C
L:ON H:OFF
D1
CP301
C2
3300uF
50V
1
5 7
3
4
2
IC1
LM2574 Q1:HEAT SINK
R1
22K
R241
24K
for JAPAN
POWER TRANS 100V
POWER TRANS 220V-230V 120V
for EUROPE
USA +20% INPUT & NO LOAD: VOUT<=40V
1 2
CN1
5273-02A
C1
MYLOR 0.033uF
UL/CSA 2.0A/125V
F1
T3.15AL
(with HOLDER)
VCC VLED
R15
2.7K
R16
9.1KG
R20 2.7K
VO
R244 0
245
HEAT SINK
VPON
Q2 KRC106S
142
5
3
IC2 PQ1CG2032FZ
/VOFF /POFF
F3
T1.0AL
R113
2.2K
R114
0
D5 1SS133
D3
1SS133
D4
1SS133
IPEAK>2.2A
VOUT=1.23X(1+R2/R1)
NOT INSTALL
L2
180uH
C5
1000uF
16V
R6
2.7KF
VLEDVLED
VCC
VDD
VCC +5VVCC +5V VLED +5.8V
D7
1N4002
D8
1N4002
D9 RB721Q
R10
22K
VBAT
VO:23.8V
C7
330uF
16V
C8
330uF
16V
R8
220
C9
0.1uF(M)
R9
3.3M
1 2
CN2
5267-02A(BLUE)
R246
100
NOT USE
<- CLOSE TO
REGURATOR
VO
IPEAK>2.2A
VO
/VOFF
L:OFF H,OPEN:ON
D6
RB060L40
L3
220uH
R13
10K
/VOFF
ZD2 PTZ6.2A
C6
10uF/10V,OS
R7 910F
NOT USE
/POFF
HEAT SINK
VOUT=1.26X(1+R2/R1)
C4
220uF/50V
1
4
2 5
3
IC3 PQ1CG2032FZ
C15
0.1uF
5 6
7
8 4
IC4B
BA10393
P-OFF
ZD4 MTZJ5.1B
R19
56K
3 2
1
8 4
IC4A
BA10393
R17 0
R18
3.9K
C14
1uF/50V
OFF - OPEN
/VON
ON - GND
MODE SW
C10
0.1uF
Q3 KRA106S
R11 10K
C11
220uF/50V
ZD3
MTZJ5.1B
D11 1SS353
NOT USE
NOT USE
<- CLOSE TO
REGURATOR
Q4 KRC106S
C12 0.02uF(M)
D10
RB060L40
R14 560
C13
1000uF/35V
R12 51
1. MAIN PWB CIRCUIT
POWER SUPPLY PWB CIRCUIT