Sony BKM-21D Maintenance Manual page 85

BA7046F-T1 (IC308)
PHASE
PHASE
H. OSC 1 H. OSC 8
COMP
COMP
HD 2
7 VCC
SYNC
SYNC 3 6 VIDEO
SEPA
VD 4 V. SEPA
5 GND
CXA1521M-T4 (IC300, IC401, IC501, IC502, IC601, IC602)
IN 1 REGULATOR 8 Vcc
GND 2 7 DC CONT
GCA
GAIN
3 6 GND
CONT
GAIN-CONT
V 4 5 OUT
EE
DC-CONT
CXB1342R (IC101, IC104, IC106)
1 47 49 11 23 28 44 12 19 42 64 39 48 62 5 40
SYNC
DETECTOR
THRU 46
30-BIT
DE-SCRAMBLER
NRZI - NRZ
RE-SCRAMBLER
SERIAL CLK
TEST 6
SCKX 7
SCKY 8
REGENERATED DATA
21
DIX
DIY
22
ADS
9
LOCK
DET
AIX 13
DATA
AIY 14
DET
CABLE
AGCR 15 PHASE
EQUALIZER COMP 1/2
AGCL 16
MON0 17
RESET
MON1 18 CHARGE
VCO
PUMP
FIFO 3
XPCK 4
10 24 26 27 36
BKM-21D
A B
IDT74FCT821ASO
(IC312, IC313, IC314, IC360, IC361)
OE 1
D1 2 D Q
D2 3 D Q
D3 4 D Q
D4 5 D Q
D5 6 D Q
D6 7
D Q
D7 8
D Q
D8 9 D Q
D9 10 D Q
D10 11 D Q
GND 12
M62381FP-E2 (IC820)
20
DI
CLK 17
25 33 20 59
LD 16
TIMING 2 SYNC RESET
7
GENERATOR
63 PCK
PARALLEL
D0
61
CLK
D1
60
V IN1 5
58 D2
57 D3
D4
56
V IN2 4
55 D5
V IN3 23
53 D6
D7 V IN4 22
52
D8 8
51 V IN5
50 D9
V IN6 9
54 EVR
V IN7 14
V IN8 15
43
SY
SX GND 6
41
38 DPR
LST
37
45 MDS
MOD1
FREE RUN SET 35
34 MOD0
29 30 31 32
C
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BD BD
24 V
DD
23 Q1
22 Q2
21 Q3
20 Q4
19 Q5
18 Q6
17 Q7
16 Q8
15 Q9
14 Q10
13 CK
12-BIT
18 DO
SHIFT
REGISTER
DECODER
LATCH
_
3 V OUT1
R - 2R +
LADDER
2 V OUT2
1 V OUT3
24 V OUT4
10
V OUT5
11 V OUT6
12 V OUT7
13 V OUT8
19 V SS
21 V
DD
8-15 8-15
D E
MB88346BPFV-EF (IC805, IC806)
12 BIT SHIFT REGISTER
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
VSS 1
ADDRESS
A03
2
DECODER
8
12
1 2 3 4
A04 3
D0 D7 D0 D7
A05 4
8 BIT 8 BIT
1
LATCH LATCH
A06
5
8 BIT
8 BIT
R-2R R-2R
D/A CONVERTER D/A CONVERTER
A07
6
A08
7
A09 8
A10
9
VDD 10
A01
MC74HC4052AFEL (IC113, IC135)
XCHIN/OUT
VDD 3
16 11 15
A 10 BINARY
TO
LOGIC
1OF4
LEVEL
B 9
DECODER
CONVERSION
WITH
INH 6
INHIBIT
8 7 1
VSS VEE 0
YCHIN/OUT
F G
1
20
GND
A02
19
12
18 A01
17 DI
2
16 CLK
LD
15
14 DO
13 A12
12 A11
3
11 VCC
A12
4
2 1 0
14 12
TG
TG
TG
TG 13 COMMONXOUT/IN
5
TG 3 COMMONYOUT/IN
TG
TG
TG
5 2 4
1 2 3
H