Sony BKPF-L752, Руководство по обслуживанию

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4-3
BKPF-L752
IC
IC
TC74VHC08FT(EL) (TI) CS8412-CS (CRYSTAL)
CS8412-IS-E1 (CRYSTAL)
CS8412-IS-E2
1 2 3 4 5 6 7
14 13 12 11 10 9 8
GND
V
DD
A
0
0
1
1
B
0
1
0
1
Y
0
0
0
1
0
1
: LOW LEVEL
: HIGH LEVEL
A
B
A
B
Y Y =
Y = A • B =
A
+
B
C-MOS QUAD 2-INPUT AND GATES
—TOP VIEW—
S DATA
C
: SERIAL DATA
: CHANNEL STATUS
U : USER DATA
VERF : VALIDITY
+
ERROR FLAG
CBL : CS BLOCK START
ERF : ERROR FLAG
Ce/F2 : CS e/FREQUENCY REPORT2
Cd/F1
Cc/F0
Cb/E2
Ca/E1
C0/E0
MCK : MASTER CLOCK
FILT : FILTER
: CS d/FREQUENCY REPORT1
: CS c/FREQUENCY REPORT0
: CS b/ERROR CONDITION2
FSYNC
SCK
: FRAME SYNC
: SERIAL DATA CLOCK
OUT PUT
INPUT/OUTPUT
: CS a/ERROR CONDITION1
: CS
0
/ERROR CONDITION0
INPUT
RXP ; RECEIVE POSITIVE
RXN
CS12/FCK
SEL
M0
M1
M2
M3
; RECEIVE NEGATIVE
; CHANNEL SELECT/FCLOCK
; FREQUENCY/CS SELECT
; SERIAL PORT MODE SELECT0
; SERIAL PORT MODE SELECT1
; SERIAL PORT MODE SELECT2
; SERIAL PORT MODE SELECT3
AUDIO
PORT
SERIAL
17
M3 M2
18
M1
24
M0
23
REGISTER
CLOCK&DATA
RECOVERY
RS422
RECEIVER
DE.MUX
MUX MUX
26
S DATA
12
SCK
11
F SYNC
1
C
14
U
28
VERF
15
CBL
25
ERF
27
Ce/F2
2
Cd/F1
3
Cc/F0
4
Cb/E2
5
Ca/E1
6
C0
/E0
16
SEL
13
CS12/FCK
19
MCK FILT
20
9
RXP
10
RXN
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
19
17
18
20
23
24
26
25
27
28
RXP S DATA
21
22
C OUT
26 9
V
D GND
VERF OUT
A V D
A GND
Cd/F1
Cc/F0
Cb/E2
Ca/E1
C0/E0
RXP
RXN
F SYNC
SCK
CS12/FCK
U OUT
Ce/F2
S DATA OUT
ERF OUT
M1
M0
FILT OUT
MCK OUT
M2
M3
SEL
CBL OUT
10
13
16
23
24
18
17
RXN
CS12/FCK
SEL
M0
M1
M2
M3
C
U
VERF
CBL
ERF
Ce/F2
Cd/F1
Cc/F0
Cb/E2
Ca/E1
C0/E0
MCK
FILT
F SYNC
SCK
1
14
28
15
25
27
2
3
4
5
6
19
20
11
12
DIGITAL AUDIO INTERFACE RECEIVER
—TOP VIEW—