Sony BVP-570, Руководство по обслуживанию

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8-8
BVP-570
8-8
IF-510
Block Diagram Block Diagram
IF-510
DA, 1-65 1-66 VBS (X) IN
1-3 IIC DATA
1-2 IIC CLK
AT, 1-15 1-1 LD (IF) IN
SDA
VBS (X) OUT 1-57 MB, 11-21
RM VBS (X) OUT 1-21 MB, 41-16
IC301
HD
VD
SYNC
SEP.
1
3
2
6
IC155
A0
A2
IC101
6
7
1
5
B A
154 2
1
IC201
13
12
14
15
11
10 9
9 10
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
IC153
8BITS
S P
D
CK
LD
7
6
5
4
3
2
1
15
IC601
OUTPUT
AMP
3 6
TEST (X) OUT 1-43 MB, 15-1
IC641
OUTPUT
AMP
Q207, Q08
BUFF
Q110
BUFF
Q109
BUFF
Q1, Q2
BUFF
Q210
BUFF
3 6
MONI (X) OUT 1-49 MB, 12-3
VF (X) OUT 1-78 MB, 31-A3
IC206
OUTPUT
AMP
6
IC621
OUTPUT
AMP
3 6
13
Q211
BUFF
A B
IC202
12
14
15
11
Q101-Q103
EEPROM
A1
SCL
+4.8V
RV101
VBS GAIN
5
14
11
12
151
1, 2 3
152
1, 2
7
352
2 4
306
3
5
7
AT, 1-28 1-7 CHAR VF IN
DA, 1-80 1-80 VF-Y (X) IN
AT, 1-27 1-8 CHAR BACK IN
MB, 12-17 1-45 PB REF IN
SG, 1-51 1-36 GELOCK (X) IN
MB, 12-1 1-53 RET VIDEO (X) IN
DA, 1-5 1-15 SKIN GATE IN
SG, 1-55 1-34 18MHz (X) IN
PR, 1-43 1-10 CORSOR 1 IN
PR, 1-45 1-9 CORSOR 2 IN
RM CHR
ON/OFF
CVF CHR & CURSOR
ON/OFF
TEST SEL 2
MONI SEL 1
MONI SEL 2
CHARA ON/OFF
SKIN GATE
ON/OFF
TEST SEL 1
IC200
6
7
1
5
Q206
BUFF
Q209
BUFF
IC305
FF
Q251
BUFF
Q271
ATT
Q273
ATT
Q272
ATT
151
5
4
7
6
IC308
IC152
152-2
308-1
308-4 307 1
2
+4.8V
7
151
12, 13 11
1
2
309
3
5
6
304
Q412
BUFF
Q413
BUFF
151
10
9
8
307 5
6
3
Q205
BUFF
Q250
SYNC
TIP
7
1
2
304
306
2
2
2 5
6
6
306
7
2, 13
303-6 EXT ND
303-8 EXT VD
303-1, 13
302-2
302-12
302-3, 3, 11,
351-3
1
3
IC322
6
5
10
8
12
1
TIMING
PULSE
SW'er
IC302, 303, 351
DE
JITER
IN
S1
GEN
RET
1
3
154
6
5
3
310
6
5
3
404
2 4
SG, 1-23 1-12 DL SYNC IN
DA, 1-71 1-72 Y (X) IN
AT, 1-46 1-26 PEAK RESET IN
AT, 1-45 1-25 WINDOW IN
DA, 1-69 1-70 R-Y (X) IN
DA, 1-67 1-68 B-Y (X) IN
SG, 1-36 1-48 N/P IN
1-82 UNREG
AT, 1-58 1-29 TALLY ON IN
MB, 12-18 1-31 REC TALLY IN
310 1
2
7
3
5
6
309 SKIN GATE OUT 1-16 MB, 12-23
INT/EXT HD OUT 1-6 PR, 1-39
INT/EXT VD OUT 1-5 PR, 1-41
Q430, 431
BUFF
3
SKIN GATE
VF Y (X) OUT 1-76 MB, 31-B8
R (X) OUT 1-63 MB, 11-17
B (X) OUT 1-59 MB, 11-19
G (X) OUT 1-61 MB, 11-18
G PEAK OUT 1-18 AT, 1-74
VF R-Y (X) OUT 1-75 MB, 31-A9
VF B-Y (X) OUT 1-74 MB, 31-B9
N/P OUT 1-47 MB, 31-B3
TALLY OUT 1-27 MB, 31-B5
REC TALLY OUT 1-30 AT, 1-57
VTR RESET OUT 1-28 AT, 1-53
(1.0Vp-p, 0Vdc)
+5.1V 1-91
+5.1V 1-92
IC12, Q10
+4.8V
REG
+4.8V
2.5V REF IN 1-89 DA, 1-89
-5.1V 1-87
-5.1V 1-88
IC12, Q20
-4.8V
REG
-4.8V
-2.8V 1-85
-2.8V 1-86
IC12, Q30
-2.5V
REG
-2.5V
+9.3V
+9.3V 1-90
SG, 1-49 1-40 HD IN
SG, 1-50 1-39 VD IN
Q401, 402
BUFF
Q403, 404
Q405
BUFF
Q414
BUFF
IC400
6
7
1
5
Q406
BUFF
(0.7Vp-p, 0Vdc)
(0.7Vp-p, 0Vdc)
Q501, 502
Q500
Q507, 508
Q410, 441
Q420, 421
Q506
Q504, 505
Q503
Q509, 510
IC500, 501
G
PEAK
DET.
502
5, 6 3
502
1, 2 7
IC410
6
7
1
5
+4.8V
Q701, 703
TALLY
DRIVE
IC701 (1/2)
COMP
IC701 (2/2)
COMP
Q422
BUFF
Q423
BUFF
Q424
BUFF
Q352, 354
IC420
6
7
1
5
+4.8V
R
B
G
4
2
1
702
3 1
5
7
+9.3V
-
+
6
5
3
0
1
2
3
0
1
2
3
Q
Q
INT HD
INT VD
L250, C252
SC
TRAP
IF-510
BVP-570