Printed Wiring Board - Power Section - Sony XM-2252HX Service Manual

XM-2252HX
5-4. PRINTED WIRING BOARD – POWER SECTION –
POWER BOARD
A
TO
AMPLIFIER
TP102
BOARD
B
TO
AMPLIFIER BOARD
C927
1
A
AMPLIFIER BOARD
C
CNP804-2
5
JR26
PROTECTOR OFF
1
JW213
2
B
8
LED DRIVE
AMPLIFIER BOARD
9
D925
CNJ803
1
D
C
5
AMPLIFIER BOARD
CNP802-2
TO
C929
AMPLIFIER BOARD
E
TO
AMPLIFIER
BOARD
TP202
F
1
09
LD804 LD805
HI – VOLTAGE HI – CURRENT
MODE
• Semiconductor
Location
Ref. No. Location
Ref. No. Location
D805 D-7 D907 C-5
D806 D-7 D908 C-5
D807 D-9 D909 D-5
D901 C-9 D910 D-5
D911 C-4
D902 D-9
D903 C-5 D912 D-4
D904 C-5 D913 C-4
D905 D-5 D914 D-4
D906 D-5 D915 A-4
(Conductor side)
D920 D916 D915
Lch
POWER SUPPLY
JW252
JW253
JW254
C928
D911
D942
D943
R947
D912
C930
JW240
JW241
JW242
Rch
POWER SUPPLY
D922 D918 D917
2 3 4
Ref. No. Location Ref. No.
Ref. No. Location
D916 A-3 D927 C-5 D940
D917 F-4 D928 D-5 D941
D918 F-3 D929 D-5 D942
D919 A-5 D934 D-1 D943
D920 A-3
D935 D-1 D944
D921 F-5 D936 C-1 D945
D922 F-3 D937 C-1
D925 C-1
D938 C-5 IC901
D926 C-5 D939 C-5 IC903
– 15 –
S801
HI-CURRENT
R928 R926
Q907 Q905
JW267
D919
JW293
JW291
JW292 T901
JW289
JW290
OFF ON
ON OFF
ON OFF
S801
Q912 Q913
JR12
C939
L903
R935 R916
D904
C935
D926
C919
JW261
D903
Q918
R935
D907
D927
C936
Q927
D908
C920 R958
C940
Q920 D941 D939
D913
D940 D938 R957 TH901
JR17
D914 JW279
JR18
Q921
C922
JR19
D910
JR20
C938
D929
JR21
D909
JR22
JW260
D906 JR23
D928
C937
D905
Q919 C921 L904
C941
R919
JR13
Q914
ON OFF
OFF
ON
OFF ON
S802
JW274
JW273
JW272
JW271
JW269
JW268
JW267
D921
Q909
Q911
R932 R930 R931
5 6
S802
HI-VOLTAGE
Location
Ref. No. Location Ref. No. Location
C-5 Q814 D-9 Q908 F-7
C-5 Q815 D-9 Q909 F-6
C-3 Q901 C-9 Q910 F-7
C-3 Q902 C-9 Q911 F-6
Q903 D-10
D-7 Q912 B-6
D-6 Q904 A-7 Q913 B-7
Q905 A-6 Q914 E-7
Q906 A-7
C-8 Q915 E-7
C-7 Q907 A-6 Q916 C-7
JW359
JW360
R927 R925
Q906 Q904 JW358
JW357
JW295
C911
C912
L901
C913
JR15
JW324 JW323
C914
SWITCHING
C905
CONTROL
R937
R909
IC901
R938
R908
Q902
IC903 R907
C965
C810
Q902
R833
R835
D806 D945
C918
R837 FAN DRIVE
R839
TP801
JW307 JW308
R920
C917
L902
Q915
JW306
C916
T902
C915
Q910
Q908
R929
7 8
Ref. No. Location
Q917 C-7
Q918 C-5
Q919 D-5
Q920 C-5
Q921 D-5
Q926 C-9
Q927 C-6
– 16 –
JW361
JW360
JW356
JW355
F901
40A
JW372
JW373
GND
CN801
JW347 +12V
JW348
JW347
CNJ801
REMOTE
Q901
JW346
R911
Q903
R910
R912
JW374
JW375
F902
TP802
40A
JW345
JW344
JW343
JW342
(FN801)
BLK
M
RED
DC FAN
MOTOR
JW336
JW335
PL901
C910
11
1-674-541-
9 10