Va-163A - Sony BVP-570 Maintenance Manual

125mVp-p/100%
Q200-204 Q206, 207, FL200
Q205
FLOATING
MB, 21-6 BUFF
1-74 R (X) IN
AMP
RV200
CT200
R GAIN
R FREQ
IC201
IC200 7
5
14 1
AMP 6
5
IC6
14
12
PR, 2-3 1-80 R BLK SHAD AMP
125mVp-p/100%
Q300-304 Q306, 307, FL300
Q305
FLOATING
MB, 21-4
1-72 G (X) IN BUFF
AMP
RV300
CT300
G GAIN
G FREQ
IC301
IC300 7
5
14 1
AMP 6
5
IC6
10 8
PR, 2-2 1-79 G BLK SHAD AMP
125mVp-p/100%
Q400-404 Q406, 407, FL400
Q405
FLOATING
MB, 21-2 1-70 B (X) IN
BUFF
AMP
RV400
CT400
B GAIN
B FREQ
IC401
IC400 7
5
14 1
AMP 6
5
IC6
7
5
PR, 2-4 1-78 B BLK SHAD AMP
IC24
17 4
MB, 23-17 1-3 IIC DATA DI A0
5
+5V A1
IC26
16 D/A 6
A2
CONV.
1 5
15
A0 SDA
LD
2
A1 16 17 18
3
DO DI A01
A2
19
6
A02
EEPROM
2
A03
3
A04
4
A05
5
A06
D/A 6
A07
CONV.
7
1, 2 4 16 A08
MB, 23-18 1-2 IIC CLK 27 8
2 4 A09
AT, 1-20 1-1 LD (VA) 25 LD 9
15 A010
12
A011
13
A012
14 14
DO
11
12
PR, 2-21 1-26 TEST SAW (X)
A. HD
2 4
PR, 1-47 1-8 A HD IN 11
2 4
SG, 1-18 1-9 SAMPLE 3 IN 10
SAMPLE 3
PR, 2-7
1-66 R W SHADING IN
PR, 2-6
1-65 G W SHADING IN
1-64 B W SHADING IN
PR, 2-8
R20, 23
MB, 23-12 1-13 PRE BLKG
4
BLKG 6
23
MB, 23-13 1-12 H CLP 1
5
H CLP

VA-163A

Block Diagram
250mVp-p/100%
TP200
18 M.G
18M TRAP
FILTER SW
M.V.SAW SHD
CLP
16 20 19 21 23
CLP2 Q208
BUFF
250mVp-p/100%
TP300
18
18M TRAP M.G
FILTER
SW
M.V.SAW SHD
CLP
16 20 19 21 23
Q308
CLP2
BUFF
250mVp-p/100%
TP400
18
18M TRAP M.G
FILTER
SW
M.V.SAW SHD
CLP
23
16 20 19 21
CLP2
Q408
BUFF
R GAIN
G GAIN
B GAIN
R KNEE P1
G KNEE P1
B KNEE P1
R KNEE P2
G KNEE P2
B KNEE P2
R GC BAL
G GC BAL
B GC BAL
IC22, Q10
TEST1 ON/OFF
TEST2
TEST2 LEVEL1
GEN.
TEST2 LEVEL2
IC8 5, 7, IC9
1 2 8, 10 1, 14
TIMING
2, 13 10
PULSE GEN.
8
IC20 4
9 23
15 GC1 4, 6, FOR TEST2
SI Q0
9, 11
1
Q1 Q14
GC2
S P 2
Q2
TEST1
CONV.
BA&SW
3
Q3
4
KNEE MODE
Q4
RCK
5 TEST1 ON/OFF
Q5
6 TEST2 ON/OFF
Q6 IC16, 18
9 S0 18-20
QH SD1
16
LD
17
16-14
IC12, 14 IC12
V1G
14
14-4 H.SAW 13 H.PARA 18-14
V1G
GEN. GEN.
18-15
V1H
IC12 18-8
IC12, 13
V1E
1
13-4 V.SAW 2 V.PARA 18-9
V1F
GEN. GEN.
18-22
V1D
5 7 16-8
15 V1E
16-9
V1F
16-15
V1H
16-22
IC19 V1D
7 18-5
5
AMP V1A
16-24
VOB
18-12
VOD
18-24
IC19 VOB
3 1 18-4
V1B
AMP
16-10
VOE
18-10
VOE
18-13
IC19 VOH
10 8 18-23
AMP V1C
16-12
R NAM V
VOD
16-11
PRE BLKG
VOF
ATT G NAM V
18-11
VOF
PRE BLK
B NAM V Q5 Q4
1
4 2
NAM BUFF
7
2
1
C40, R38, 39
+4.8V
P.ON
RESET
13
11
23
12
8-4
VA-163A
Block Diagram
IC202
G.CLT 2dB KNEE
0dB
BLG
AMP AMP 1/4, 1/5 AMP
CLP
12 26 2 14 27 32 11 10 9
CLP 2
IC302
G.CLT 2dB KNEE 0dB
BLG
1/4, 1/5
AMP AMP AMP
CLP
12 26 2 14 27 32 11 10 9
CLP 2
IC402
G.CLT 2dB KNEE 0dB
BLG
AMP AMP
AMP 1/4, 1/5
CLP
12 26 2 14 27 32 11 10
CLP 2
Q11 Q12, 13
IC22
12
NAM
NAM 14 TEST
SW
13
RV50 11
TEST
RW SHD
18-3
VOA
GW SHD
18-2
VOB
18-1 BW SHD
VOC
16-13 M.V.SAW SHD
VOH
IC17
16-3 12
VOA 14 R F-COMP
13
GC
11 PRE BLK
ARRAY
IC17
16-2 2
15
VOB G F-COMP
1
PRE BLK
10
IC17
16-1 5
4 B F-COMP
VOC
3
9 PRE BLK
IC15
R F-DET
16-5 8 10
V1A AMP
IC15
G F-DET
16-4 14 12
V1B AMP
IC15
B F-DET
16-23 1 3
V1C AMP
IC5
3 5 10 CLP2
23
MM Q
R30, 31
CLP2 ATT
ATT
R25, 16
CLP1 ATT
ATT
8-4
880mVp-p/100%
Q209-212
Q215-217
7
6dB
DR +
AMP AMP
R (X) OUT
-
IC200 IC203
1 3 1 SAMPLE 6
LPF R FEED BACK IN 1-60
HOLD
5
IC218-220
1
WINDOW
4
204 COMP
2
880mVp-p/100%
Q309-312
Q315-317
7
6dB
+
DR
AMP
AMP G (X) OUT
-
IC300
IC303
1 3 1 6
SAMPLE
LPF G FEED BACK IN 1-59
HOLD
5 IC318-320
1
WINDOW
4
304 COMP
2
880mVp-p/100%
Q409-212
Q415-417
7
6dB
+
DR
AMP
AMP B (X) OUT
-
IC400 IC403
1 3 1 1 6
SAMPLE
LPF B FEED BACK IN 1-58
HOLD
5
IC418-420
1
WINDOW
4
404 COMP
2
+7V
IC1, Q1
+7V
+7.3V
REG.
+7.3V
+4.8V
IC1, Q2
+5V
+5.1V
REG.
IC3 +5.1V
6 REG. 2
CONT
+2.5V
IC6
+2.5V
+2.5V REF OUT 1-89
REG.
IC1, Q7
-2.5V
-2.8V
REG.
-2.8V
-2.5V
IC1, Q3
-5V
-5.1V
REG.
-5.1V
-4.8V
VA-163A
BVP-570
PR, 2-16
1-54
PR, 2-11
1-52 PR, 2-18
PR, 2-10
PR, 2-14
1-50
PR, 2-12
1-93
1-94
1-91
1-92
PR, 2-1
1-85
1-86
1-87
1-88
BVP-570