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13.2. Power Supply Schematic Diagram
ZA1103
EYF52BCY
or
#K3GE1ZA00010
A
F
N
K5D202BK0005
250V T2AL
P1101
K2AA2H000007
SEE THE
SERVICE MANUAL
E
D
K1129
VWJ0795=5
C
IC1150
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
LATCH RELEASE/
B
OVER VOLTAGE
PROTECTOR/
OVER HEATING
PROTECTOR
Z/C
ZERO CURRENT
1
DET./ONDEAD TIMER
STANDBY
CIRCUIT
A
FB
2
ON WIDTH
TIMER
GND
1
ZA1104
EYF52BCY
or
#K3GE1ZA00010
G0B233D00001
F1101
1
4
ZA1150
VSC5603
ZA1151
XYN3+J8FJ
ZA1105
K9ZZ00001279
ZA1106
K9ZZ00001279
ZA1107
K9ZZ00001279
7
VIN
UVLO
UVLO
+
+
START-UP
-
CIRCUIT
-
VCC(START)
VCC(STARTUP OFF)
/VCC(STOP)
/VCC(STARTUP ON)
IDP(LIMIIT/
BURST)SENS.
CONTROL
SOFT-DRIVE
CIRCUIT
CIRCUIT
OCP THRESHOLD
COMPARATOR/
RESTERT
BURST MODE
TIMER
OCP THRESHOLD
COMPARATOR
3
2
L1120
K1122
C1121
VWJ0795=10
ECQU2A223MLC
2
3
K1123
VWJ0795=10
LB1126
ERJ6GEY0R00V
[22]
2
4
7
IC1150
C0DACZH00017
1
3
5
9
C1151
F1B3D102A011
1000P[2KV]
D1157
B0HADV000001
R1158
ERX2SJR22E
0.22[2W]
IC1601,1701
9
DRAIN
SWITCHING IC
VCC
4
IC-DETAIL BLOCK DIAGRAM
8
CS
LEVEL
SHIFT
V5
UVLOcomp
+
-
VREF
VIN
1
SOURCE
/OCL
5
3
LB1122
VWJ0795=5
D1140
B0EDKT000009
(S1WBA80-7062)
LB1123
VWJ0795=5
R1153
18[22]
R1150
D1151
18[22]
B0HAGM000006
C1150
F2A1V6800002
35V68[JG]
or
EEUFM1V680B
R1151
6800[22]
R1152
10K[22]
D1152
MAZ4100NMF
D1156
MA2C165001VT
R1157
R1154
510
9100
[G][22]
[G][22]
7
6
5
EXT
GND
FB
0.8V
CONTROL LOGIC
+
-
CNT.
COMP
-
- +
+
V5/PWON
VREF/SS
CC
2
3
4
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE
4
C1125
ECKWNA102MEV
T1150
ETS28BF1W6AD
P1
NC
PU
P2
NC
V2
V1
NC
Q1200
#B3PBA0000402
4
1
C120
$[22](0.1)
3
2
HOT
COLD
C1705
180P[18]
R1702
51K[18]
HAVE THE SP
5
50
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