Read Sony XM-7557 (serv.man2) Service Manual online
XM-7557
7
7
• PRINTED WIRING BOARD – FILTER/SUB 1/SUB 2 SECTION –
• Semiconductor
Location
Ref. No.
Location
IC707
B-2
IC708
B-2
IC709
B-3
IC710
B-5
IC711
B-5
IC712
B-6
• Semiconductor
Location
Ref. No.
Location
D705
A-5
IC713
B-3
IC714
B-1
IC715
A-1
IC716
B-5
Q501
B-3
Q502
B-2
C506
C504
C505
C507
C513
C512
C519
C518
C501
JW84
JW50
JW48
JW57
JW58
JW60
JW59
JW66
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLU
BLK
JW63
JW64
JW65
JW62
JW56
JW55
JW47
JW54
JW53
JW52
JW51
JW44
JW61
JW67
JW45
JW46
VR709
VR710
VR708
CNJ706
S708
CNP709
CNB710
1-675-265-
11
1
A
B
2
3
4
5
E
(Page 8)
S709
VR709
VR710
VR708
BOOST/
LOW CUT
FREQ
(7Hz 40Hz)
LEVEL
(MIN MAX)
S709
DIRECT
(ON OFF)
BOOST
LEVEL
(0dB 10dB)
S708 (US/CND)
MODE
(BOOST LEVEL)
TO SUB 2 BOARD
CNJ709
AMPLIFIER
BOARD
CNP710
CNP710
09
R523
R524
R522
R519
R515
R512
R501
C502
R502
R707
R738
C743
R739
C744
R719
R718
R508
C715
R518
C520
R521
R520
R513
R514
C511
C714
C508
C509
R509
R505
R507
R511
R714
R709
R706
R711
R710
R705
C716
R708
C717
R504
R506
R510
C510
D705
IC714
IC715
IC713
IC716
Q502
E
Q501
E
R
L
INPUT
CNJ706
1
1
9
10
1
8
4
5
1
8
4
5
1
8
4
5
1
8
4
5
SUB 1 BOARD
(US/CND)
R458
R258
R357
R457
C752
C753
C353
JW2
R352
R152
R157
R256
R257
R454
R452
R451
R453
R455
C451
R254 R253
R255
C251
R252
R251
R460
R353
R354
R456
R355
C351
R358
R356
R153
R154
R155
C151
C750
C751
R260
C358
R351
R151
R156
R160
R158
IC712
IC711
IC710
IC708
IC709
IC707
JW17
1-675-267-
11
JW4
JW3
JW5
JW6
JW7
C452
C453
JW1
S704
JW19
CNJ703
1
9
C454
C455
JW18
JW20
JW11
JW10
JW109
JW16
C352
C356
C357
JW21
JW20
C456
C457
JW13
JW12
JW14
C355
C354
S705
VR705
JW8
JW24
JW37
C252
C153
JW38
JW29
JW30
JW23
JW26
JW28
JW27
JW31
JW39
JW40
JW41
JW42
JW25
JW43
JW36
JW35
JW34
JW33
JW32
C253
C156
C257
C256
C157
C154
C254
C255
C155
C152
CNJ702
1
9
VR702
S702
S701
FILTER BOARD
C
(Page 8)
S701
FILTER
(X1 X10)
VR702
FILTER
(50Hz — 400Hz)
S702
FILTER
(LPF OFF HPF)
S705
FILTER
(X1 X10)
VR705
FILTER
(50Hz — 400Hz)
S704
FILTER
(LPF OFF HPF)
AMPLIFIER BOARD
CNP702
1
A
B
C
2
3
4
5
6
7
B
(Page 8)
AMPLIFIER BOARD
CNP703
09
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
C515
CNJ711
CNJ709
S710
TEST
TONE
S707
VR707
1
9
1
A
B
2
4
3
SUB 2 BOARD
FILTER
(50Hz 200Hz)
INPUT MODE
(F F + R)
TO SUB 1 BOARD
CNP709
1-675-266-
11
R516
C514
R517
C516
09
TO SUB 1 BOARD
S708
(US/CND)
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