Sony CX-LFAV500 / XR-FAV500 Service Manual ▷ View online
30
30
CX-LFAV500
7-11. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –
0.1
-1.4
0.4
-1.5
0
0
-1.5
0
0
0
10.0
*
9.8
*
-23.3
0
-22.1
0
-22.1
-22.6
0
0.6
-22.2
-22.6
-22.2
-23.2
-23.2
0
0.6
-22.2
0
0.6
-22.5
-22.6
-22.5
-23.2
-22.1
-22.6
-23.2
-21.9
1.0
-22.7
-22.7
1.0
-23.2
-22.7
-1.1
-23.1
-0.5
1.0
21.7
-1.1
0
0
*
0
0
*
0
0
-23.3
0
-23.3
-1.1
21.8
0
1.0
1.0
-0.5
-22.8
-1.1
-1.1
-23.2
-22.8
-1.1
-23.3
-22.3
1.0
-22.8
-0.4
1.0
-0.4
0.1
1.0
-1.1
0.6
-23.3
No mark:FM
D201
D202
D203
D204
D205
D206
D207
D208
D209
Q203
Q204
Q205
Q206
Q218
Q219
Q220
Q243
Q253
Q254
R263
R272
R276
R284
Q221
Q201
Q207
Q208
Q209
Q210
Q214
Q215
Q216
Q217
Q222
Q223
Q224
Q225
Q227
Q229
Q261
Q262
Q263
C214
C223
C224
C225
C227
C233
C234
C235
C236
C238
C239
C243
C244
C246
C247
C248
C251
C252
C253
C257
C275
C352
C353
R216
R235
R248
R249
R257
R258
R226
R227
R228
R229
R230
R231
R232
R233
R234
R236
R237
R238
R239
R242
R244
R250
R251
R252
R253
R254
R255
R256
R259
R260
R261
R262
R264
R265
R266
R267
R268
R269
R270
R271
R273
R274
R275
R277
R278
R279
R280
R281
R282
R283
R285
R286
R287
R288
R289
R290
R294
R296
R297
R298
R340
R342
R343
R344
R429
MC2838
MC2838
MC2836
MC2836
MC2838
MC2836
MC2838
MC2838
MC2838
2SB1342
2SC5343GL
2SC5343GL
2SC5343GL
2SC5343GL
2SC5343GL
2SC5343GL
2SA1980G
2SD1933
2SD1933
0.22
1W
0.22
1W
0.22
1W
0.22
1W
2SB1342
2SC2712-G
2SC2712-G
2SC2712-G
2SA1162-G
2SA1162-G
2SC2712-G
2SA1162-G
2SA1162-G
2SA1162-G
2SA1162-G
2SC2712-G
2SC2712-G
2SC2712-G
2SC2712-G
2SC2712-G
2SC2712-G
2SC2712-G
2SA1162-G
47
25V
0.1
0.1
0.01
0.0047
0.015
0.015
0.01
0.47
50V
0.0022
47
16V
100
10V
220p
100
10V
0.47
50V
220p
220p
100p
220p
47
25V
100p
0.1
50V
FG
0.1
50V
10k
1k
1k
1k
1k
1k
4.7k
4.7k
2.2k
2.2k
5.6k
5.6k
22k
22k
47k
10k
1M
100
1k
1k
22k
4.7k
10k
560
1.2k
22k
100
100
4.7k
680
1.2k
2.2k
100
1k
1.2k
15k
1k
100
10k
39
39
15k
2.2k
1.2k
1k
100
47k
10k
39
39
100k
100k
10k
47k
10k
10k
100
47k
1k
100
4.7k
10k
4.7k
10k
470
OVERLOAD DET
POWER AMP
POWER AMP
Q204, Q205, Q206, Q224, Q227
PRE AMP
POWER AMP
POWER AMP
OVERLOAD
DET
Q218, Q219, Q220, Q223, Q225
PRE AMP
Q207, Q208, Q209, Q210
PRE AMP
Q214, Q216, Q217, Q229
PRE AMP
MUTE
MUTE
MUTE CONTROL
OVERLOAD SWITCH
OVERLOAD SWITCH
MAIN BOARD
(2/3)
TO
MAIN BOARD
(1/3)
(Page 29)
3
31
31
CX-LFAV500
7-12. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –
0
0
0
-4.8
4.9
0
0
0
4.9
0
4.9
0
0
-4.8
0
0
0
No mark:FM
IC504
IC503
IC504(1/2)
IC504(2/2)
C528
C529
C530
C533
C534
C535
C536
C537
C538
C539
R531
R542
R529
R530
R532
R533
R534
R535
R536
R537
R538
R540
R541
R543
R544
R545
BU4052BCF-T1
NJM14558MD-TE2
NJM14558MD-TE2
0.1
0.22
0.22
0.1
47
35V
0.1
10
50V
0.1
0.047
0.022
4.7k
22k
22k
22k
4.7k
1M
1M
10k
47k
47k
22k
22k
22k
22k
22k
22k
8
5
7
2
3
4
1
6
VOCAL FADER
SELECTOR
IC503
MAIN BOARD
(3/3)
TO
MAIN BOARD
(1/3)
(Page 29)
2
32
32
CX-LFAV500
7-13. PRINTED WIRING BOARD – FRONT SECTION –
IC601
IC603
IC602
IC604
CD
NX
TUNER/
BAND
TAPE
bB
AUX
OPEN/
CLOSE
Z
POWER
1
STANDBY/ON
ECO
ECO
DISPLAY
SYNCHRO
REC
REC START
REC PAUSE
REC PAUSE
BASS
TREBLE
VOLUME
CLEAR
x
+
>
M
–
.
m
E
E
E
FLUORESCENT INDICATOR TUBE
E
E
E
E
E
E
1
2
4
3
1
9
LOADING BOARD
FRONT BOARD
1
10
20
30
31
40
50
51
60
70
80
81
90
100
1-689-562-
1
3
M901
(LOADING)
1-674-336-
(12)
12
TO
MIC/ECHO
BOARD
CN504
(Page 34)
J
TO
MAIN BOARD
CN302
(Page 28)
TO
VCD BOARD
CN801
(Page 25)
D
F
TO
TAPE MECHANISM
DECK
(OPEN/CLOSE)
14
14
• See page 19 for Circuit Boards Location.
Ref. No.
Location
D601
A-2
D602
B-5
D603
A-7
D604
B-5
D605
B-2
D606
E-3
D607
B-5
D608
B-5
D609
B-5
D610
A-7
D612
B-2
D633
B-6
IC601
B-3
IC602
B-6
IC603
B-5
IC604
E-6
Q601
C-4
Q602
A-2
Q603
A-2
Q604
B-2
Q605
B-7
Q606
D-3
Q608
D-4
Q609
E-5
Q610
B-7
• Semiconductor
Location
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