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10-22
RELAY+5V
SEC-GND
SEC-GND
ALL+3.3V
ZCDB
HVSEN
G
C7A3
A3
8
7
6
5
4
3
2
1
TOOL NO.
10
9
RISK OF FIRE -
REPLACE FUSE AS MARKED
CAUTION -
SEC-GND
FB-from+24V
ALL+3.3V
T601-Drive
SEC-GND
SEC-GND
SEC-GND
INV-GND
R601
R606
R614
R615
CN601
JS712
C601
FH601
C602
FH602
C603
C605
C612
C613
C618
C620
D601
D602
D603
D604
Q701
Q702
D611
D612
IC601
IC602
CN1001
C1017
D1001
C1602
Q1601
Q1602
R1009
R701
R705
R706
C1613
C1614
R1010
C1615
R1011
C1616
R1012
C1617
C1618
R713
R714
R717
D1603
D1605
CN701
D1607
R1611
R1622
R1624
R741
R1625
C705
R1626
C707
R1628
C708
R1629
R1630
C710
R1631
C711
C715
T1601
T1602
RL601
Q603
D701
D702
D703
D704
L601
L602
D710
D711
D712
D713
IC701
IC702
4A/125V
F601
BA21T0F0102 4
COLD
COLD
COLD
COLD
COLD
COLD
COLD
HOT
HOT
HOT
HOT
HOT
HOT
HOT
HOT
D1002
D1003
D714
T1604
L1001
D1606
J703
J707
J708
J714
J716
J717
J719
J718
J720
J724
J725
J727
J728
J730
J731
J732
J733
J735
J740
J741
J747
J748
J749
J750
J752
J751
J753
J754
J757
J767
J768
J796
Q1603
Q1604
PFC-GND
PFC-VIN
PFC-VIN
PRI-GND
PFC-GND
PFC-GND
PFC-GND
GDA
PFC-GND
PFC-GND
PFC-GND
GDB
PWMCNTL
CS
VCC
VREF
PFC-GND
SEC-GND
SEC-GND
P-ON+12V
OUTER-GND
T601-30V
P-ON+12V
OUTER-GND
OUTER-GND
PFC-GND
P-ON-H1
R1039
R1041
J759
P-ON+5V
J805
OUTER-GND
J791
J777
ISEN
J776
DRV2
J764
Protect3
J765
Vcc+5V
J766
J788
BL-SW
J763
R602
R611
R612
D610
D613
R1636
OUTER-GND
VSEN
L1002
C1021
C1022
C1620
R725
J758
P-ON+5V
J755
J746
P-ON+12V
J734
ZCDA
JS700
R628
C1621
R745
D716
JS701
RESET
PRI-GND
R613
PRI-GND
J709
J803
SEC-GND
J804
SEC-GND
J705
VIN
VIN
J706
J726
PFC-VIN
J701
PRI-GND
J712
J800
PFC-GND
J799
HOT+17V
D1005
R1040
R1046
C1024
J780
A-GND
J779
VREF
J782
BL-ADJ
D616
C1622
C1623
J704
HOT+17V
J702
PRI-GND
J700
PRI-GND
J715
C1612
J787
J813
J786
J771
J739
Q1603-Source
GND
J737
PFC-GND
J760
Q601-Source
Q601-Gate
PRI-GND
PFC-GND
PFC-GND
D614
D615
D1009
D1010
D1602
D1604
D705
D706
D709
D715
J761
J710
R604
J711
R605
J713
C606
C610
C611
C619
J762
C622
D605
D606
D607
D609
J801
D608A
Q601
Q602
BC601
BC602
PRI-GND
ZCS
Protect3
PFC-VIN
PFC-VIN
J814
Q1603-Source
J744
J745
J756
J794
PRI-GND
C718
J729
COLD
TOP
UNDER
T1606
T601
J738
Q1603-Gate
SA601
D1011
C1624
C1625
J778
ISEN
J790
VIN
C1626
C1627
D1012
R1038
R744
A
1
2
3
4
5
6
BC
D
E
J722
PFC+345V
J723
PFC+345V
J721
PFC-GND
R1624A
R1624B
J806
OUTER-GND
J810
OUTER-GND
VSEN
J769
J736
VSEN
BA21T0F01024
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 (F601) 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 4A, 125V fuse.
CAUTION ! :
ATTENTION :
Utiliser un fusible de rechange de même type de 4A, 125V.
4A 125V