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5. Printed Wiring Boards (PWBs)
40" POWER Unit PWB, Side A




SEES Engineering Department Training course: LE810-820 English
104
5. Printed Wiring Boards (PWBs)
40" POWER Unit PWB, Side A Chip Parts




SEES Engineering Department Training course: LE810-820 English
105
L
N
AC




B++
Q7704
D7901




AC
ON5520
BAV99LT1G




R7942
C7002
R7001




R7021
D7919 33nF 50V K




DETECTION
MM3Z13VT1G R7806




F7000




68.1K 1/10W F
D7921 R7020 100K 1/8W F
C7960 UDZS TE-17 18B 100K 1/10W F




F7001
470nF 25V K




T 3.15A H 250V




R7941
2
1
T 3.15A H 250V
C7961 Q7800 Z7004




VCC1
Q7703 R7019 SG7006




511K 1/4W F 511K 1/4W F
1uF 25V K PBHV9050T B+'
ON5520 82K 1/10W F 1/2PC7703:1




AC
R7930
21.5K 1/10W F R7928 K10103H
301K 1/10W F C7001 Z7001
TVR10681KSUQW




R7821
15nF 50V K
C7906 Q7906
10nF 50V K PMBT4401,215




AC
CY7002 CY7001
R7705 R7708 R7712
68.1K 1/10W F 220pF 250VAC 220pF 250VAC




R7822
511K 1/4W F 511K 1/4W F
L''


Q7907
FB7001
PMBT4401,215 3.5 1
J7025

R7804 R7803 R7802 R7801
L'




FB7002 CY7007




SEES Engineering Department
C7905 2M 1/8W F 2M 1/8W F 2M 1/8W F 2M 1/8W F 3.5 1 220pF 250VAC




VCC1
R7825
100nF 50V K
AS




C7823




Q7802
1M 1/4W F 1M 1/4W F 1M 1/4W F
R7820




PMBTA45
R7933 100nF 50V K R7001A AC R7001B




R7931
R7934 D7918
100K 1/10W F 100 1/10W F PDZ24B,135 18.7K 1/10W F 909K 1/2W F 909K 1/2W F




301K 1/10W F
C7820 CX7001
R7813 220nF 275VAC
100pF 50V J
Q7904 2K 1/10W F
2N7002LT1G R7002
R7817 C7804
Q7905 2.7M 1W J




R7818
15.4K 1/10W F 220nF 16V K
2N7002LT1G
FL7001:1




10K 1/10W F
HFH-DP9443




C7903 C7803




R7929
220nF 25V K 47nF 50V K




1M 1/10W F
C7904 CY7003 CY7004
1nF 50V K C7806 470pF 250VAC 470pF 250VAC




VCC-ON
C7918 1nF 50V K
4L




220pF 50V J R7971
J7004




CY7008
NTC7000




PFC

200K 1/10W F C7805 470pF 250VAC
820pF 50V J




B+
400 V
40" POWER Unit Diagram (1/2)




D7915 CX7002
CONTROLLER



UDZS TE-17 18B 220nF 275VAC




FLYBACK
CONVERTER
FL7002:1




3
4
R7636
GT7001




GT7002
HFH-DP9443




0.1 1/2W J




FLYBACK
IC7901
VCC-ON




FEEDBACK
IC7801




PC7901:2




ICE3BS03LJG
B++




1/2
K10103H BD7001
C7988
NCP1608BDR2G




KBJ406G
1nF 1KV K
R7814
10 1/10W F




R7926
4L




C7914
R7945 D7916 C7801
NTC7001




220nF 50V K




VCC-ON
22.1 1/4W F
20K 1/4W F NZX36C 100nF 50V K




R7927
C7810




1K 1/10W F
R7923
D7908
1uF 450V K




BAS316
C7802




100 1/4W F
R7826
R7811


22pF 50V J




C7915