HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
62
62
6-37. PRINTED WIRING BOARD - POWER Board -
•
: Uses unleaded solder.
• See page 33 for Circuit Boards Location.
B
E
G
SD
B
E
B
E
B
E
B
E
B
E
B
E
B
E
DZ904
D941
D948
D949
DZ915
IC941
DZ932
DZ953
TP916
Q921
Q930
Q931
Q932
Q943
Q945
Q947
Q950
L944
L945
PS913
L947
L948
R905
R906
L953
R907
R908
R909
R910
R911
R917
R919
R920
R921
R923
R924
R925
R926
R927
R928
R930
R931
R932
R933
R934
R935
R936
R937
R938
R939
R940
R941 R942
C907
R945
C909
R946
R949
C911
R951
C916
R952
R954
R955
R956
R957
R958
R959
C922
C923
R960
R963
R965
R967
C935
R972
C936
C937
R974
R975
R976
R978
C950
C951
R992
R993
R995
R998
R999
D906
D907
D908
D909
C969
D910
C970
C971
D914
C975
D922
D923
C983
D924
C984
C987
C990
C991
C992
C993
C995
C996
C997
DZ901
DZ902
DZ903
B
E
1
5
3
1
E
B
1
5
1
13
1
2
IC921
IC922
D947
HS931
IC931
JW981
JW982
JW983
JW984
JW985
JW986
JW988
F901
Q901
Q922
PC901
PC903
EB902
EB904
EB905
EB907
L931
VDR901
R901
R903
R904
L954
L956
R912
R913
R914
R916
CN904
CN901
CN906
R922
CN908
JV901
JV902
JV903
JV904
JV905
JV906
JV907
JV908
JV909
PS954
FR929
FH901
C901
PS956
FH902
C903
JV910
JV911
TH901
C905
JV912
C906 (HDX275:E3,AUS)
JV913
JV914
C908
JV915
JV916
JV917
JV918
JV919
C910
C912
C913
JV921
JV923
LF901
LF902
C921
C924
C925
C926
C927
C928
C929
C930
C932
C933
C934
C938
C939
C940
C942
C943
C945
C948
JW905
JW908
D902
D903
C963
JW910
C964
JW911
D905
JW912
JW913
JW914
JW915
JW916
JW917
JW918
D911
D912
D913
D916
C976
JW925
JW927
C980 (EXCEPT HDX275:E3,AUS)
IC901
HS901
D921
T901
T903
D931
JW940
JW941
JW942
MAIN POWER
TRANSFORMER
SUB POWER
TRANSFORMER
(CHASSIS)
(CHASSIS)
(AC IN)
(CHASSIS)
(CHASSIS)
1-875-124-
13
(13)
POWER BOARD
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
(EXCEPT HDX275:E3,AUS)
(HDX277WC/HDX279W/HDX576WF)
(HDX275/HDX475/HDX675)
Ref. No. Location
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location
D901
E-2
D902
E-9
D903
E-8
D905
D-7
D906
E-6
D907
F-6
D908
E-6
D909
D-4
D910
E-6
D911
C-8
D912
C-9
D913
E-7
D914
D-6
D916
C-9
D921
E-8
D922
E-9
D923
D-9
D924
D-9
D931
B-6
D941
B-9
D947
C-8
D948
E-9
D949
E-9
DZ901 E-9
DZ902 F-9
DZ903 D-9
DZ904 E-8
DZ915 D-6
DZ932 C-5
DZ953 D-9
IC901
E-5
IC921
E-8
IC922
C-9
IC931
C-4
IC941
B-9
Q901
E-6
Q921
D-9
Q922
F-8
Q930
C-9
Q931
C-9
Q932
D-9
Q943
C-4
Q945
B-8
Q947
C-4
Q949
C-4
Q950
C-4
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299