10-19
IC1601 Vcc
J116 BL-SW
J148 GDA
J136 PFC
J155 GND
GND J124
J132 PFC
J167 IC601
J101 GND
COLD
HOT
TOP SIDE
PFC GND
Q1608
Collector
IC1601 Vcc
PFC GND
Q1704
SOURCE
C1602
CN501
IC1702
IC1703
Q1704
D712
D711
D710
IC1602
BC1703
C1706
C725
D704
D1707
BA3AU0F0102 2
J184
J177
J191
J169
J165
J180
Outer
GND
Outer GND
GND
GND
C1709
C692
PFC GND
J166
J179
Q691 Base
C1618
J190 GND
C726
GP002
DC
J158
IC1601
Vcc
J160
D713
J110
T1701
J130
PFC VOUT
D714A
87654321
TOOL NO.
109
GND
GDA
Protect3
Q1202 Gate
IC1201 GATE
IC1301 CS
Q1101
Source
BL-ADJ
GND
LED
Vin
IC1601 Vref
L1301
C1621
C1708
C724
C723
C1301
C1305
C1201
J131
J138
J137
J134
J142
J172
J144
J152
J147
J140
J153
J128
J126
J118
J123
PRI
GND
PFC VOUT
Protect3
BL-ADJ
Protect3
GND
GND
GND
GND
J159
GND
J125
J127
J133
GND
J117
AMP+13V
R1719
J141
J145
J178
C1001
C1101
J119
D1102
C1205
GND
Protect3
GP001
B
A
BC1301
BC1201
BC1101
R1115
J114
J122
GND
J102
L1101
L1201
BC1302
BC1202
BC1102
J104
Q1102 Gate
J181
Protect3
D1302
R1315
D1202
R1215
J106
J107
J103 BL-SW
AMP+13V
BL-SW
C1105
21
GND
J105
AMP+13V
Outer
GND
J193
J115
COLD
HOT
Q1302 Gate
D613
C606
L602
Q601
R1624
C1612
C1615
C1613
Q1602
C1622
CN1001
D602
D601
D604
D603
C601
D607
C602
R602
JS601
D605
C605
L601
C1707
R618
T1602
J146
J109
J143
J129
J111
PRI
GND
PFC VOUT
PFC VOUT
IC1301_GATE
J121
PFC
VIN
J120
PFC VIN
J156
J157
PRI GND
GND
D1307
Cathode
VIN
43
L601A
L602A
BC1601
BC1602
C1626
J135
PFC
VIN
VIN
J108
GND
JS602
VIN
J113
GND
D606
BC1604
BC603
D609A
RISK OF FIRE -
REPLACE FUSE AS MARKED
CAUTION -
LIVE
CN601
R601
C604
C614
5
GND
F602
T 2.5A L/250V
SA601
HOT
COLD
UNDER SIDE
NEUTRAL
PROTECT1
P-ON+21V
IC601 Vcc
IC604
Ref
C619
C620
C616
C615
BC602
T601
D650
D651
C652
556
C
4
5
6C
D655
D653
D1603
C1623
Q1601
C1614
D1605
IC1603
IC602
IC603
R679
D654
IC604
Q657
C650
R678
R676
C656
J168
J163
J182
J183
J162
J170
J186
T1601
J185
J176
GND
PFC GND
DRIVE
P-ON
P-ON+21V
AMP+13V
GND
C665
J171
J175
GND
J173
J174
AMP+13V
J151
C651
C662
C663
ALL+3.3V
GP003
J161
PFC VOUT
J150
ZCDB
IC601
FB
J154
J149
PFC
J164
D656 Cathode
PFC
GND
FB
BC1603
D619A
D620A
D621A
D660
J189
J187
H2
BA3AU0F01022
Power Supply CBA Top View
Because a hot chassis ground is present in the power supply
circuit, an isolation transformer must be used when repairing.
Also, in order to have the ability to increase the input slowly,
when troubleshooting this type of power supply circuit,
a variable isolation transformer is required.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F602) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire,
replace only with same type 2.5A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 2.5A, 250V.
2.5A 250V
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