Sony BKM-21D Maintenance Manual page 68

BD
(4/4) BO0-9
FROM
RO0-9
(3/4)
YO0-9
IC312
D1 Y DATA LATCH
2 D0
FROM
DO0-9
(1/4) 11 D9
1/4 DYCLK 13 CLK
1 OE
IC313
D1 PB DATA LATCH
2 D0
11 D9
1/4 DRCLK 13 CLK
1 OE
IC314
D1 PR DATA LATCH
2 D0
11 D9
1/4 DRCLK 13 CLK
1 OE
1/4
D11
CN4(1/2)
PBO D0 A16
PBO D1 A15
1/4,3/4 D1 CLK
PBO D2 A14
PBO D3 A13
PBO D4 A12
PBO D5 A11
PBO D6 A10
PBO D7 A9
PBO D8 A8
PBO D9 A7
B
PRO D0 A27
BD2 BOARD IC802(1/2)
PRO D1 A26
CN5(2/2) BOARD CPU
PRO D2 A25
PRO D3 A24
1/4 FORMAT 17
PRO D4 A23
PRO D5 A22
PRO D6 A21
PRO D7 A20
PRO D8 A19
PRO D9 A18
VIDEO PB A3
VIDEO PR A4
CN2(3/3)
MISO 27B
MOSI 28A
TO/FROM
SCLK 28B
MONITOR
CH-SLOT 31A
RESET 26B
BD (4/4)
IC318
Y DELAY LINE
1
Y0 23 5 DIN0 DOT0
.
Y9 14 DIN9 DOT9
7
11
YB0
24 24 PSB0
YB1
24 23 PSB1
YB2
24 22 PSB2
YW0
24 21 PSW0
YW1
24 20 PSW1
42 CLK
IC319
PB DELAY LINE
IC361
PB DATA LATCH
1
Y0 23 2 D0 Y0 23 5 DIN0 DOT0
.
BDO0-9
Y9 14 11 D9 Y9 14 7 DIN9 DOT9
11
13 CLK
PB0
1 OE 24 24 PSB0
PB1
24 23 PSB1
PB2
24 22 PSB2
42
CLK
IC320
PR DELAY LINE
IC360
PR DATA LATCH
1
Y0 23 2 D0 Y0 23 DIN0 DOT0
5
.
RDO0-9
Y9 14 11 D9 Y9 14 7 DIN9 DOT9
11
13 CLK
RB0
1 OE 24 24 PSB0
RB1
24 23 PSB1
IC121 FB181
13 12 42 CLK
EMI
TP314
4FSC
FB180
EMI
PAL-D
8
YB0
44
YB1
43
YB2
42
YW0
41
YW1
40
BB0
46
BB1
45
BB2
36
RB0
48 3/4 KILLER
RB1
47
INT SIGNAL
35
39 H DELAY 1/4
X801
49 DISPLAY 1/4,3/4
7 D1 1/4,3/4
38 EXT DIN 1/4
37 EXT D 1/4 IC801
FL802
8 9
EMI
6 D2 2/4 10
IC801
10 2/4
INT V OUT 5 6
4
11 EXT V OUT 2/4
IC801
12 11
5 1/4,2/4
OE
13
IC801
34 PAL 3/4 2 3
1
Q801
7-4
BD (4/4)
IC370
D/A CONV
36
Q713 Q701 Q702 Q712,737 Q738,760
FL701
31 21 B0
Y
.
YD0-9 BO 46 BUFF BUFF LPF BUFF
30 B9 AMP
29
26
33
BCK
Q718 Q709 Q764 Q719,720 Q721,722
FL703
PB
GO 46 BUFF BUFF LPF BUFF
AMP
Q705 Q728 Q707 Q730,731 Q732,740
FL704
PR
RO 42 BUFF BUFF LPF BUFF
AMP
36 +5V-2
Q704
31 11 G0
.
BD0-9
29 20 G9
26
32 GCK
+5V-2
VREF 37
1
IC324
8 REF
VOL
36
6
1 R0
31
.
RD0-9
29 10 R9
26
31 RCK
IC809
BOARD
IC802(2/2) 6
CONTROL
BOARD CPU
5
14
4
11
16 15
28 12
3
29
10 2
30
1
24
IC808
BOARD
23
7
CONTROL
6
14
5
11
15
12
2
2 10 4
1
3
3
IC807
BOARD
1 5
CONTROL
15
IC803 14
15 3
11
54 2 EEPROM 5 1
12
64 6 2
1 10 4
20 6
51
4
53
52
26
27
7-4
Q739,761
Y
INT PY 2/4,3/4
BUFF
Q723,724
PB
CODED PB 2/4
BUFF
Q762,763
PR
CODED PR 2/4
BUFF
Q711 IC704
BUFF 7
1 APC PB 3/4
6
5
Q708 IC703
BUFF 7
1 APC PR 3/4
6
5
Q803
IC329
9
8
10
IC329
4
6
5 IC820
PHASE
5 IC350
DA-SET 1/4 CONTROL
2 1
3/4 B-Y S/H 4 3
DB-SET 1/4
2
DC-SET 1/4 16
1/4 20
INT-D
V-A 2/4 17
V-B 2/4
2/4
V-C
IC804
5 6
4
IC806
1/4 IC804
D-A
12 11
BOARD
D-B 1/4 17 18 V LEVEL
D/A CONV
13
D-C 1/4 19 Y LEVEL
IC804
TEST1 1/4 8
2 3 PB LEVEL
16
YPBPR 2/4 1 9 PR LEVEL
BYPASS 2/4 IC801 5 FILOFF
9 8
2/4
RGB 15 7 COMB FIX3
10
3/4 6
BPF1 COMB FIX2
+5V-2
4 HOLD
Q802
BIAS
TEST2 1/4
NTSC1 1/4,3/4
D2ANA 1/4
2/4
Y TH IC805
ANA V 2/4
BOARD
8 DA-FV
D/A CONV
COMP 3/4
DB-FV
7
3/4
BPF
6 DC-FV
19 APT
A/D-LEV
5
17
2 HBLK-W
16
4 BGP-P
18 BGP-W
15
3 CCC-P
12 KILLER-LEVEL
CN4(1/2)
B15 PBI D0
B14 PBI D1
B13 PBI D2
B12 PBI D3
B11 PBI D4
B8 PBI D5
B7 PBI D6
B6 PBI D7
B5 PBI D8
B4 PBI D9
A
B28 PRI D0
BD2 BOARD
B27 PRI D1 CN5(1/2)
B26 PRI D2
B25 PRI D3
B24 PRI D4
B22 PRI D5
B21 PRI D6
B20 PRI D7
B19 PRI D8
B18 PRI D9
A29 PAL-D
B1 4FSC
3/4
A/D
PHASE 3/4
2/4
2/4
2/4
2/4
3/4
3/4
3/4
3/4
1/4
1/4
1/4
2/4
3/4
3/4
3/4
3/4
3/4
3/4
BKM-21D