Sony BVP-550 Maintenance Manual page 178

VA-163 BOARD
125mVp-p/100%
Q200-204
Q205
FLOATING
PA, 1-6 1-74 R (X) BUFF
AMP
RV200
CT200
R GAIN
R FREQ
IC201
IC200
14 5 1
AMP
5
IC6
12 14
AMP
PR, 2-22 1-80 R BLK SHAD
125mVp-p/100%
Q300-304
Q305
FLOATING
PA, 1-4 1-72 G (X) BUFF
AMP
RV300
CT300
G GAIN
G FREQ
IC301
IC300
14 5 1
AMP
5
IC6
10 8
AMP
PR, 2-23 1-79 G BLK SHAD
125mVp-p/100%
Q400-404
Q405
FLOATING
PA, 1-2 1-70 B (X) BUFF
AMP
RV400
CT400
B GAIN
B FREQ
IC401
IC400
14 5 1
AMP
5
IC6
5 7
PR, 2-21 1-78 B BLK SHAD AMP
IC24
17 4
MB, 1-3 1-3 IIC DATA A0
DI
5
+5V A1
IC26 D/A
16 6
CONV. A2
1 5
15
A0 SDA
2 LD
A1 16 17
3 DO
A2
6
EEPROM
1, 2 4 16
MB, 1-2 1-2 IIC CLK 27
2 4
AT, 1-20 1-1 LD (VA) 25
15
PR, 2-4 1-26 TEST SAW (X)
A. HD
2 4
TG, 1-3 1-8 A HD IN 11
2 4
SG, 1-18 1-9 SAMPLE 3 IN 10
SAMPLE 3
PR, 2-18 1-66 R W SHADING IN
PR, 2-19 1-65 G W SHADING IN
PR, 2-17 1-64 B W SHADING IN
TG, 1-12 1-13 PRE BLKG
4
BLKG 6
23
TG, 1-13 1-12 H CLP 1
5
H CLP
250mVp-p/100%
TP200
Q206, 207, FL200
18
18M TRAP M.G
FILTER SW
M.V.SAW SHD
7
6
16 20 19
CLP2
250mVp-p/100%
TP300
Q306, 307, FL300
18
18M TRAP M.G
FILTER SW
M.V.SAW SHD
7
6
16 20 19
CLP2
250mVp-p/100%
TP400
Q406, 407, FL400
18
18M TRAP
M.G
FILTER
SW
M.V.SAW SHD
7
6
16 20 19
CLP2
R GAIN
G GAIN
B GAIN
18 R KNEE P1
DI A01
19 G KNEE P1
A02
2 B KNEE P1
A03
3 R KNEE P2
A04
4 G KNEE P2
A05
5 B KNEE P2
A06
D/A 6 R GC BAL
CONV. A07
7 G GC BAL
A08
8 B GC BAL
A09 IC22, Q10
LD 9 TEST1 ON/OFF
A010 TEST2
12 TEST2 LEVEL1
A011 GEN.
13
TEST2 LEVEL2
IC8 5, 7,
A012 IC9
2 8, 10 1, 14
1
TIMING
2, 13 10
PULSE GEN.
4
IC20 9 23
15 4, 6, FOR TEST2
14 14 GC1
DO
SI Q0 9, 11
1
Q1
S P 2 GC2
Q2
TEST1
CONV.
11 3 BA&SW
Q3
4
KNEE MODE
Q4
RCK
5
12 TEST1 ON/OFF
Q5
6 TEST2 ON/OFF
Q6
9 S0
QH
IC12, 14 IC12
14
14-4 H.SAW 13
H.PARA
GEN. GEN.
IC12
IC12, 13
1
13-4 V.SAW 2
V.PARA
GEN. GEN.
5 7
15
IC19
7
5
AMP
IC19
1
3
AMP
IC19
10 8
AMP
R NAM V
R20, 23
PRE BLKG
ATT G NAM V
PRE BLK
B NAM V Q5 Q4
1
NAM BUFF
2
C40, R38, 39
+4.8V
P.ON
RESET
VA-163 VA-163
IC202
G.CLT 2dB KNEE
BLG
AMP AMP 1/4, 1/5
CLP
CLP
23 12 26 2 14 27 32 11 10 9
21
Q208
BUFF
IC302
G.CLT 2dB KNEE
BLG
AMP AMP 1/4, 1/5
CLP
CLP
23 12 26 2 14 27 32 11 10 9
21
Q308
BUFF
IC402
G.CLT 2dB KNEE
BLG
AMP AMP 1/4, 1/5
CLP
CLP
23 12 26 2 14 27 32 11 10
21
Q408
BUFF
Q11 Q12, 13
IC22
12
8 NAM
NAM 14 TEST
SW
13
11
RV50
Q14
TEST
IC16, 18
RW SHD
18-20 18-3
SD1 VOA
18-2 GW SHD
VOB
18-1 BW SHD
VOC
16 16-13 M.V.SAW SHD
LD VOH
17
IC17
16-14 16-3 12
V1G VOA 14 R F-COMP
18-14 13
V1G
18-15
V1H GC 11 PRE BLK
ARRAY
18-8
V1E
18-9
IC17
V1F
18-22 16-2 2
15
V1D VOB G F-COMP
1
16-8
V1E
16-9 PRE BLK
10
V1F
16-15
V1H
16-22
V1D
IC17
18-5 16-1 5
4 B F-COMP
V1A VOC
16-24 3
VOB
18-12
VOD
9 PRE BLK
18-24
VOB
IC15
18-4
V1B
R F-DET
16-5 8 10
16-10
V1A AMP
VOE
18-10
VOE
18-13
IC15
VOH
G F-DET
18-23 16-4 14 12
V1C V1B AMP
16-12
VOD
16-11 IC15
VOF
B F-DET
18-11 16-23 1 3
VOF V1C AMP
IC5
2
4
3 5 10 CLP2
7
23
MM Q
R30, 31
1
CLP2 ATT
ATT
R25, 16
13 CLP1 ATT
11
23 ATT
12
7-4 7-4
880mVp-p/100%
Q209-212
Q215-217
7
0dB 6dB
DR +
AMP AMP AMP
-
Q213, 214 IC200 IC203
1 6
PRE 1 3 SAMPLE
LPF
HOLD
KNEE 2
5
IC218-220
1
WINDOW
4
204
COMP
2
CLP 2
880mVp-p/100%
Q309-312
Q315-317
7
0dB 6dB
DR +
AMP AMP AMP
-
Q313, 314 IC300 IC303
1 3 1
PRE SAMPLE 6
LPF
KNEE 2 HOLD
5 IC318-320
1
WINDOW
4
304 COMP
2
CLP 2
880mVp-p/100%
Q409-212
Q415-417
7
0dB 6dB
DR +
AMP AMP AMP
-
Q413, 214 IC400 IC403
PRE 1 3 1 1 SAMPLE 6
LPF
KNEE 2 HOLD
5
IC418-420
1
WINDOW
4
404 COMP
2
CLP 2
+7V
IC1, Q1
+7V
REG.
+4.8V
IC1, Q2
+5V
REG.
IC3
6 REG. 2
CONT
+2.5V
IC6
+2.5V
REG.
IC1, Q7
-2.5V
REG.
-2.5V
IC1, Q3
-5V
REG.
-4.8V
R (X) OUT 1-54 PR, 2-9
R FEED BACK IN 1-60 PR, 2-14
G (X) OUT 1-52 PR, 2-7
G FEED BACK IN 1-59 PR, 2-15
B (X) OUT 1-50 PR, 2-11
B FEED BACK IN 1-60 PR, 2-13
+7.3V 1-93
+7.3V 1-94
+5.1V 1-91
+5.1V 1-92
+2.5V REF OUT 1-89 PR, 2-24
-2.8V 1-85
-2.8V 1-86
-5.1V 1-87
-5.1V 1-88
VA-163 BLOCK
BVP-550
BVP-550P
BVP550-VA163BLOCK#1/M
BVP-550
BVP-550P