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BVW-55
Maintenance manual
Sony BVW-55 Maintenance Manual page 731
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:
Maintenance manual
(236 pages)
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Contents
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Table of Contents
Advertisement
RV306
C.M.B
RV308
C.O.B
C.M.B
C.O.B
RV305
C.M.A
RV307
C.O.A
C.M.A
C.O.A
+5V-31
RV305
RV308
RV307
20k
20k
20k
C OMC
TP308
RV306
20k
IC106 (3/3)
TC74HC4052AFT(EL)
C360
R399
0.022uF
470k
12
13
0
COM
14
6
1
INH
15
10
R398
2
A
0
11
9
NM
3
B
1P
IC106_9
1P
IC106_10
C361
C362
C354
C355
0.022uF
0.022uF
0.022uF
0.022uF
1
2
+5V-32
C349
0.1uF
C APF
TP305
2
16
IN1
SWOUT
DELAY
CL305
IC305
FL303
R382
CXA1451M-TH
220
DL
4
13
1
IN2
OUT1
IN
G1
G2
G3
6
11
3
4
5
SWIN1
OUT2
7
SWIN2
14
CONT1
10
CONT2
C348
-5V-32
0.1uF
4P
4P
BVW-55
I
J
+5V-3
C_OMC_CONT
L317
10uH
IC702_2-3
C365
C372
C373
0.1uF
33uF
0.1uF
Q651
6.3V
2SA1610-T1Y34
Q658
2SC4178-F13F14-T1
Q662
+5V-31
2SA1611T1-M5M6
R651
R652
10k
1k
Q320
2SC4178-F13F14-T1
43
1
LM1IN1
OMCOUT
44
LM1IN2
41
LM2IN1
42
R685
LM2IN2
3.9k
C368
R404
L318
C375
0.022uF
1k
15uH
0.1uF
48
REFV
IC702 (5/5)
CXA1370Q
C366
0.022uF
R402
R403
C369
C371
R405
R676
R677
2.2k
470
8pF
8pF
1.2k
10k
1k
4P
H-C_PB
4P
H-C_EE
8P
C_REF_INS
8P
C_PEDESTAL_INS
4P
H-OXIDE_OSC_ON
4P
H-METAL_OSC_ON
CN100
(36/140)
36
C_EE_RF_X
CN100
(34/140)
34
C_EE_RF_G
CN101
(36/140)
36
C_EE_RF_X
CN101
(34/140)
34
C_EE_RF_G
400mVpp
C SUB
C MAIN
TP306
TP307
R388
22
CL307
R389
22
Q317
2SC4178-F13F14-T1
R387
R390
Q316
1k
1k
2SC4178-F13F14-T1
Q318
2SC4178-F13F14-T1
C356
R392
R383
0.022uF
510
330
L315
R394
C358
1.5uH
0
100pF
NM
R384
330
2
IC302
(1/5)
OUT
CXA1479Q
NC1
NC2
C350
RV309
0.022uF
200
6
7
25
23
EQ2AIN
SOB_OUT
C351
0.022uF
27
21
C357
R393
EQ2BIN
MAINOUT
0.022uF
510
26
18
EQ2MCNT
DOEQ
24
EQ2SCNT
R385
R386
R391
L316
R395
C359
4.7k
4.7k
330
1.5uH
0
160pF
NM
C352
C353
470pF
470pF
RV310
200
C_MAIN_CONT
C_SUB_CONT
RV309;C METAL DO EQ
CM DOEQ
RV310;C OXIDE DO EQ
CO DOEQ
H:METAL/L:OXIDE
K
DM-121 (2/9)
DM-121 (2/9)
4P
3P
Q652
Q654
Q656
2SC4178-F13F14-T1
2SC4178-F13F14-T1
2SC4178-F13F14-T1
Q653
Q655
2SA1610-T1Y34
2SA1610-T1Y34
R657
R653
R658
R654
R659
10k
1k
11k
1k
11k
R687
C653
22
0.1uF
C662
0.1uF
C600
R673
220pF
300
R674
R675
R678
R679
R680
R681
R682
NM
10k
4.7k
3.9k
10k
4.7k
3.9k
10k
Q659
Q660
C663
0.1uF
2SA1611T1-M5M6
2SA1611T1-M5M6
IC308 (1/4)
TL084CPW-E05
+9V-2
4
3
+
1
2
-
C382
11
0.1uF
-5V-32
+5V-33
R396
330
C363
0.022uF
RV311
ME C RF
METAL C RF LEVEL
R400
RV311
4.7k
2k
R397
330
C364
IC302
(2/5)
IC304
(2/3)
0.022uF
CXA1479Q
C381
TC74HC4053AFT(EL)
47uF
6.3V
14
9
C367
INA
REF
0.022uF
2
15
16
11
R401
RV312
R411
0
COM
INB
DETOUT2
4.7k
2k
4.7k
1
15
12
1
EQSEL
DETOUT1
10
17
10
L319
SEL
DCPL1
ENVIN
560uH
13
4
C370
OFFSET1
ENVB
47uF
8
5
6.3V
D0OUT
ENVA
-5V-32
Q319
6
7
2SC4178-F13F14-T1
THOUT
THCONT
3
2
C384
AOROUT
OFFSET2
0.022uF
RV312
OXIDE C RF LEVEL
OX C RF
+5V-33
Q321
2SC4177-T1L5L6
R406
15k
R407
C374
R408
33k
0.1uF
10k
C DO DETECTOR
4-37 (a)
4-37 (a)
L
M
C DMRF
TP309
CL309
Q657
2SA1610-T1Y34
C_RF_DM
3P
R655
R656
1k
1k
IC651(2/5)
IC651(1/5)
IC651(3/5)
IC651(4/5)
SN74HC00ANS-E05
SN74HC00ANS-E05
SN74HC00ANS-E05
SN74HC00ANS-E05
5
2
9
12
6
3
8
4
1
10
13
R660
2.2k
R661
R665
R667
R669
2.2k
1M
1M
1M
X651
X652
X653
R664
R666
R668
R670
5.300MHz
4.500MHz
4.800MHz
220
10k
10k
10k
C654
C655
C656
C657
C658
C659
22pF
33pF
22pF
33pF
22pF
33pF
R683
R684
4.7k
3.9k
Q661
M-P
O-P
M-H
2SA1611T1-M5M6
IC304
(3/3)
TC74HC4053AFT(EL)
C378
+5V-33
1uF
50V
5
4
0
COM
3
1
IC308 (3/4)
9
C377
R413
SEL
D301
TL084CPW-E05
1uF
1k
DA204UT106
R409
50V
R415
3
12
4.7k
10k
2
+
1
14
C379
0.001uF
13
-
C387
6
R410
22pF
1k
-
7
R414
C385
47k
1uF
5
R418
IC308(4/4)
+
50V
Q322
10k
10
TL084CPW-E05
2SA1611T1-M5M6
R420
10k
+
8
IC308 (2/4)
TL084CPW-E05
9 -
R416
22k
RV313
20k
RV313;C RF ENVELOPE GAIN
1
3
R417
22k
C ENVE
2
GND
E303
+5V-33
IC309(3/3)
4P
H-VIDEO_EE
TC7W08FU(TE12R)
VCC
+5V-33
C388
CDO PLS
0.1uF
GND
TP310
CL310
5
R421
1k
2
VCC
4
A
Y
IC309 (2/3)
IC309 (1/3)
1
TC7W08FU(TE12R)
TC7W08FU(TE12R)
B
5
3
GND
1
7
6
3
2
+5V-33
R419
22k
IC312
C386
TC7SH32FU-TE85R
330pF
5
2
VCC
4
2
A
Y
A
C380
1
1
8pF
B
B
GND
C383
3
22pF
IC310
TC7S02FU(TE85R)
TC7S08FU(TE85R)
N
O
1
+6V
L651
10uH
C651
C652
33uF
0.1uF
6.3V
IC651(5/5)
11
VCC
SN74HC00ANS-E05
GND
R662
2.2k
R671
1M
R663
2.2k
X654
R672
4MHz
10k
2
C660
C661
R686
22pF
33pF
220
O-H
ADV CSWP
TP311
R412
10k
ADV_C_SW_PLS
4P
3
2V
DC
C ENVE
TP312
CL312
R424
100
C_RF_ENV
4P
E304
L-C_DO
3P
4
L-C_DO_PLS
5P
+5V-33
5
R425
L-C_DO_PLS
10
CN100
(10/140)
1k
VCC
4
Y
L-C_DO_PLS
10
CN101
(10/140)
+5V-33
GND
3
R422
100k
R423
L-RF_C_VBLK
18
CN100
(18/140)
0
L-RF_C_VBLK
18
CN101
(18/140)
IC311
L-C_PCM_MUTING
3P
C_DO_THRESHOLD
4P
5
RF DEMODULATOR, TBC
DM-121 (2/9)
BOARD NO. 1-673-526-11
LOT NO. 812-
BVW-55_DM-121_011
P
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