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Diagrams; Printed Wiring Board - Sony xm-423sl Service Manual

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XM-423SL

2-1. PRINTED WIRING BOARD

• Semiconductor
AMPLIFIER BOARD
Location
Ref. No.
Location
D801
B-3
D802
B-3
D901
D-9
A
D902
C-7
D903
C-8
IC801
D-4
IC802
B-1
IC803
D-2
IC804
D-1
IC807
B-5
IC901
C-3
B
Q801
B-3
Q901
C-7
Q903
C-8
Q904
C-4
THIS NOTE IS COMMON FOR
C
PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS.
(In addition to this, the necessary
note is printed in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise
noted. pF: µµF 50 WV or less are not in-
D
dicated except for electrolytics and
tantalums.
R310
• All resistors are in Ω and
1
/
W or less un-
4
C310
less otherwise specified.
• C : panel designation.
R311
• U : B+ Line.
• Power voltage is dc 14.4V and fed with
regulated dc power supply from BATT and
REM terminals on CNP801.
E
• Voltages and waveforms are dc with re-
spect to ground under no-signal condi-
tions.
no mark : POWER ON
*
: Impossible to measure
• Voltage are taken with a VOM (Input im-
pedance 10 MΩ).
Voltage variations may be noted due to
normal production tolerances.
F
• Signal path.
F
: AUDIO
For printed wiring boards.
Note:
09
• X : parts extracted from the compo-
nent side.
SECTION 2

DIAGRAMS

JW17
C804
D802
C411
C311
C802
D801
C211
JW10
C210
C110
JW2 JW3
C805
R210
JW12
R110
5
4
E
IC802
Q801
C111
8
1
R302
JW18
R402
JW13
R301
JW14
R401
5
JW15
IC901
JW16
JW4
8
R306
C801
C306
R406
JW7
JW8 JW9
JW6
C305
C406
JW1
R203
5
4
C405
JW19
5
4
R410
IC803
JW20
IC804
C410
8
1
JW21
8
1
R411
R412
R312
VR802
R413
R213
SW802
VR802
SW801
HPF
LEVEL
HPF
OFF-100Hz-120Hz-150Hz
OFF-100Hz-120Hz-150Hz
FRONT
1
2
3
IC807
24
20
10
JW34
C806
TH901
25
R806
JW38
JW39
JW42
JW40 JW41
JW33
JW35
JW36
JW37
JW32
JW28
JW29
4
Q904
C905
C906
1
JW30
E
JW22
JW23
JW24
JW25
JW31
R202
5
4
C205
C204
IC801
C105
1
R104
8
R201
JW46
R103
R102
JW47
VR801
R101
CNP801
12
C103
1
WIRE ASSY
VR801
LEVEL
12
1
REAR
4
5
6
6
C901
JW53
2
JW52
JW51
1
C803
JW50
Q901
C904 D902
R805
D903
C902
JW48
Q903
E
JW44
JW46
R906
R905
JW46
C903
JW55
JW57
JW56
JW54
C910
22
JW58
11
22
11
6
7
8
C909
L901
JW59JW60
C908
L902
LD901
K
A
1-677-341- 11
LD901
POWER
9
10

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