Read Sony XM-423SL Service Manual online
6
XM-423SL
6
2-1. PRINTED WIRING BOARD
• Semiconductor
Location
D801
B-3
D802
B-3
D901
D-9
D902
C-7
D903
C-8
IC801
D-4
IC802
B-1
IC803
D-2
IC804
D-1
IC807
B-5
IC901
C-3
Q801
B-3
Q901
C-7
Q903
C-8
Q904
C-4
Ref. No.
Location
SECTION 2
DIAGRAMS
THIS NOTE IS COMMON FOR
PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS.
(In addition to this, the necessary
note is printed in each block.)
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
• All capacitors are in µF unless otherwise
noted. pF: µµF 50 WV or less are not in-
dicated except for electrolytics and
tantalums.
dicated except for electrolytics and
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less un-
less otherwise specified.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 14.4V and fed with
regulated dc power supply from BATT and
REM terminals on CNP801.
REM terminals on CNP801.
• Voltages and waveforms are dc with re-
spect to ground under no-signal condi-
tions.
no mark : POWER ON
tions.
no mark : POWER ON
*
: Impossible to measure
• Voltage are taken with a VOM (Input im-
pedance 10 M
Ω
).
Voltage variations may be noted due to
normal production tolerances.
normal production tolerances.
• Signal path.
F
: AUDIO
For printed wiring boards.
Note:
• X
: parts extracted from the compo-
nent side.
1-677-341- 11
C906
C905
C907
C410
C310
C806
C804
C802
C210
C110
C803
C904
D902
C902
C901
VR802
SW801
VR801
SW802
CNP801
WIRE ASSY
SW801
HPF
OFF-100Hz-120Hz-150Hz
SW802
HPF
OFF-100Hz-120Hz-150Hz
VR802
LEVEL
VR801
LEVEL
FRONT
REAR
D901
JW15
JW14
JW13
JW21
JW20
JW19
JW47
JW46
JW46
JW46
JW44
JW48
JW51
JW52
JW50
JW30
JW16
JW55
JW57
JW56
JW54
JW39
JW40 JW41
JW42
JW35
JW37
JW36
JW33
JW32
JW29
JW18
JW28
JW43
JW12
JW17
JW81
JW10
C211
JW2 JW3
JW25
JW24
JW23
JW22
JW11
JW7
JW8 JW9
JW6
JW5
JW4
JW1
JW31
C411
C311
C805
JW34
R905
C909
C908
JW59JW60
JW58
C111
R302
R402
R301
R401
R102
R101
R201
R202
Q901
JW53
JW38
IC807
TH901
LD901
L902
L901
22
12
1
11
24
20
10
2
25
1
LD901
POWER
R205
C207
C807
R909
R106
C106
R105
C107
C203
C201
C202
C401
C402
C301
C302
C101
C102
R805
R901
R903
R904
R906
C903
C910
C204
R103
R104
R203
C205
R204
C206
R206
C305
C303
R303
R304
C304
C403
C404
R211
R212
R112
R111
R404
R403
R407
R405
R307
R209
JR1
C208
R208
C209
R409
JR2
C408
R408
C409
R108
R109
C109
C108
R305
R113
R407
C307
R107
R207
R308
R309
C309
C308
R313
C306
R802
R801
C801
R306
C104
R110
R210
R806
R310
R412
R411
R410
C405
C406
R406
R413
R311
R312
C103
C105
R213
JR3
R908
R907
A
K
IC801
IC803
5
8
4
1
5
8
4
1
IC804
5
8
4
1
D801
D802
Q801
Q903
D903
Q904
E
E
E
IC802
5
8
4
1
IC901
5
8
4
1
22
12
1
11
09
9
10
8
7
6
5
4
3
2
A
B
D
C
F
E
1
AMPLIFIER BOARD
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