Sony BVW-55 Maintenance Manual page 731

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