Block Diagrams - Sony BKM-21D Maintenance Manual

Section 7

Block Diagrams

CN1(1/2)
BD
DIGITAL
(1/4)
SDI A IN
IN
1
Q104,105
SDI A OUT
CABLE
OUT
DRIVER
+3.3V
Q106
BIAS
Q75
4/4 DA-SET
IC105
FV CONT
5
4/4 DA-FV
4/4 D-A
SDI B IN
IN
2 Q50,51
SDI B OUT CABLE
OUT
DRIVER
+3.3V
Q52
BIAS
Q76
4/4 DB-SET
IC124
FV CONT
5
4/4 DB-FV
4/4 D-B
SDI C IN
IN
3 Q53,54
SDI C OUT CABLE
OUT
DRIVER
+3.3V
Q55
BIAS
Q77
4/4 DC-SET
IC129
FV CONT
5
4/4 DC-FV
4/4
D-C
4/4 INT-D
BKM-21D
IC101
SDI DEC(A)
13 AIX 61 IC95
.
DATA BUFF
60
14 AIY
.
D0-3
D0 58 6
41 SX
55 10 4 9
D9
.
43 SY
53
4
50
TP301
1 19
Q63 DACLK
35 MOD1
PCK 63 IC96
34 MOD0
DATA BUFF
IC108
Q46
13
11
D4-9
10 RESET 2
12
6 7
+5V
1
19
Q31
7
CURR
CONT
DPR 38
31 FSR2 SYNC 2
IC104
SDI DEC(B)
61 IC97
13 AIX
.
DATA BUFF
14 AIY 60
.
58 D0-3 6
D0
41
SX
D9 55 10 4 9
.
43 SY
53
4
50
TP302
1 19
Q63
DBCLK
35 MOD1
PCK 63 IC98
34 MOD0 DATA BUFF
IC108
Q47
10
8
D4-9
10 RESET 2
9
+5V 6 7
1 19
Q108
7
CURR
CONT
DPR 38
31 FSR2 SYNC 2
IC106
SDI DEC(C)
13 AIX 61 IC99
.
DATA BUFF
14 AIY 60
.
D0 58 D0-3 6
41 SX
10 4 9
D9 55
.
43 SY
53
4
50
TP303
1 19
Q65 DCCLK
35 MOD1
IC100
PCK 63
34 MOD0
DATA BUFF
IC108
Q48
1
3
D4-9 2
2 10 RESET
+5V 6 7
1 19
Q109
7
CURR
CONT
DPR 38
31 SYNC 2
FSR2
IC109
IC112
3
4 BUFF 16
2 18
3 17
6 14
5 15
7 13
Q49
4/4 TEST1
4/4 TEST2
3/4 SINTRI
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BD (1/4) BD (1/4)
ID0-3
4
11 4
TP305
PCLK
16
IC120
D2 DEC D2 D/A CONV
ID4-9
18 39 6 30
13 6 D0-9
43 D0 . VD0 2 32 D0
. . .
10 63 D9 VD9 68 1 D9
59 64 7
3/4,4/4 NTSC1 10 HPLN 9 CLK
20 4FSC 10 BLK
11 CE
4/4 D2ANA
4 ID0-3
11 4
16
IC115
D1 DEC
52
ID4-9 D0-9 .
18 DI0
.
55
13 6 10 DI9
63
51 DICK
IC121
6 5
21 FFWCONT
IC116
10
IC121 8
77 FFWON
9 8 9
IC116
13
IC116
5 1
3/4 H BLK2 85 VD MUTE
6 12
4
IC121
IC116
93 ANCDEL
3 4 2
4/4 H DELAY 3
1 96 ALLDEL
ID0-3
4
IC121
1 2
11 4
3/4,4/4 DISPLAY
16
+5V
IC103
IC114
RESET
66 TCCR
ID4-9
18
13 6
64 HIZ
3/4 D1 SYNC-D
3/4,4/4 D1
2/4,4/4 OE
IC113
+5V
INPUT DET SW
4
12
1 2
14
9
IC112 15
11
5 6
10 9 6
IC112
Q133
Q132
IC135
SDI AUTO SEL
IC50
1
ERROR
5 4 GE-RESET 3/4
DET
3 10
2 5 FORMAT 4/4
4
2
10 9
7-1 7-1
ID0-9
ID0
8
10
ID1
7
ID2
6
ID3
5
4
ID4
IC128 3
2
9
Q57,58 Q40,41 Q42,43
IO 24 BUFF BUFF INT V 2/4
+5V
Q44,45
ID5
2
3
ID6
4
5
ID7
6
7
ID8
8
ID9
9
4/4 EXT DIN
4/4
EXT D
30
.
27
25
.
VD0
.
18 DD0-9
VD9
16
.
14
IC140
12
5 6
4
IC130
4 5
KCK 41
IC130 IC130
6 7 10 9
DO 34
1
D1 SYNC GEN
IC117 IC117
3 11
1 13
KHHD 11
2 12
KAH 47
IC117
5 IC118 IC119
4
4
6 6
IC118
9 SYNC IC140
5 10
2 8 9 8
IC118 GEN
1 9
14
3
10
4
2
1 IC140
12 11
KF 9 Q129
13
Q150-153
D1 SYNC
SWITCH
IC125
DATA BUFF
CN3
ED0
12 3B ED0
ED1
13 4B ED1
ED2
14 5B ED2
ED3
15 6B ED3
16 7B ED4
ED4
17 8B ED5
18 9B ED6
11 10B ED7
11B ED8
1 19
12B ED9
2A EPCK
IC126 13B EDPR
DATA BUFF
ED5
18
17
ED6
16
15
ED7
14
13
ED8
12
ED9
11
1 19
TO
(4/4)
D1 CLK 1/4,4/4
DY CLK 4/4
DR CLK 4/4
DR CLK 4/4
D11 4/4
D1 SYNC 3/4
VS 2/4
HS 2/4