Sony BKDS-PA3291, Руководство по обслуживанию

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6-12
BVS-A3232/V3232
IC
C-MOS MONOSTABLE MULTIVIBRATOR WITH SCHMITT TRIGGER INPUT
—TOP VIEW—
V
DD
(+2 to +6V)
GND
1 2 3 4 5 6 7 8
14 15 16 13 12 11 10 9
R
D
0
X
X
1
1
B
X
X
0
1
1
Q
0
0
0
Q
1
1
1
A
X
1
X
0
0
0
1
X ; LOW LEVEL
; HIGH LEVEL
; DON'T CARE
A B R
D
A B R
D
Q
Q
R
D
Q
Q
R
D
V
DD
V
DD
R C
C R
INPUTS OUTPUTS
OUTPUT PULSE WIDTH = 0.7CR
VOLTAGE COMPARATOR
-TOP VIEW-
1
2
3
4
8
7
6
5
V
CC
(+5 to +36V)
GND
V
EE
+
–
TC74HC221AF (TOSHIBA)FLAT PACKAGE
C-MOS QUAD EXCLUSIVE OR GATES
—TOP VIEW—
GND
V
DD
1 2 3 4 5 6 7
8
0
1 ;
; LOW LEVEL
HIGH LEVEL
A
B
Y
A
0
0
1
1
Y
0
1
1
0
B
0
1
0
1
Y = A • B + A • B
14 13 12 11 10 9
NOTE :
TYPE
TC74AC/VHC
TC74HCT
OTHER TYPES
V
DD
+2V to +5.5V
+5V
+2V to +6V
TC74HC86AF (TOSHIBA)FLAT PACKAGE
SN74HC86ANS-E05
V-REF
OUT
RD
IN
C
T
GND
V
CC
(+3.5 to +18V)
SENSE
IN
RESET
OUT
RESET
OUT
2
7
3
RD
C
T
SENSE
RESET
V-REF
RESET
–TOP VIEW–
POWER VOLTAGE SUPERVISOR
1
2
3
4
8
7
6
5
REFERENCE
VOLTAGE
RD
2
SENSE
1 V-REF 3 C
T
GND
4
RESET
5
RESET
6
V
CC
8
7
6
5
1
TL7705CP-B (TI)
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
V
DD(+5V)
GND
GND V
DD(+5V)
11 10 9 8 7 6 5 4 3 2 1 84 83 82 81 80 79 78 77 76 75
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
–TOP VIEW–
C-MOS 16-BIT MICROPROCESSOR
UPD70325L-10 (NEC)
67
68
69
70
71
72
73
74
76
4
5
6
7
8
10
11
12
82
59
60
61
62
63
64
65
66
48
51
52
54
55
56
57
58
78
79
PT0
PT1
PT2
PT3
PT4
PT5
PT6
PT7
V
TH
P00
P01
P02
P03
P04
P05
P06
P07/CLKOUT
REFRQ
P10 / NMI
P11 / INTP0
P12 / INTP1
P13 / INTP2/INTAK
P14 / INT/POLL
P15 / TOUT
P16 / SCKO
P17 / READY
P20 / DMARQ0
P21 / DMAAK0
P22 / TC0
P23 / DMARQ1
P24 / DMAAK1
P25 / TC1
P26 / HLDAK
P27 / HLDRQ
X1
X2
IC
9
44
47
41
45
43
46
3
2
84
1
83
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
13
14
15
16
17
18
19
20
T
X
D0
T
X
D1
R
X
D0
R
X
D1
CTS0
CTS1
EA
MREQ
MSTB
IOSTB
R/W
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
D0
D1
D2
D3
D4
D5
D6
D7
IC
49
IC
53
IC
75
RESET
81
A0–A19
CLKOUT
CTS0, CTS1
D0–D7
DMAAK0, DMAAK1
DMARQ0, DMARQ1
EA
HLDAK
HLDRQ
IC
INTP0, INTP1
INTP2
INTAK
IOSTB
MREQ
MSTB
NMI
P00–P07
P10–P17
P20–P27
PT0–PT7
INT/POLL
READY
REFRQ
RESET
R/W
RXD0, RXD1
SCKO
TC0, TC1
TOUT
TXD0, TXD1
V
TH
X1, X2
; ADDRESS BUS OUTPUTS
; SYSTEM CLOCK OUTPUT
; CLEAR TO SEND INPUT/OUTPUT
; DATA BUS INPUTS/OUTPUTS
; DMA ACKNOWLEDGE CH0, CH1 OUTPUTS
; DMA REQUEST CH0, CH1 INPUTS
; ROM-LESS MODE SET INPUT
; HOLD ACKNOWLEDGE OUTPUT
; HOLD REQUEST INPUT
; INTERNAL CONNECT
; INTERRUPT REQUEST INPUTS
; INTERRUPT REQUEST INPUT
; INTERRUPT ACKNOWLEDGE OUTPUT
; I/O READ/WRITE STROBE OUTPUT
; MEMORY REQUEST OUTPUT
; MEMORY READ/WRITE STROBE OUTPUT
; NON-MASKABLE INTERRUPT INPUT
; PORT 0 INPUTS/OUTPUTS
; PORT 1 INPUTS/OUTPUTS
; PORT 2 INPUTS/OUTPUTS
; PORT 0 INPUTS
; INTERRUPT REQUEST INPUT
; READY INPUT
; REFRESH REQUEST OUTPUT
; RESET INPUT
; READ AND WRITE CYCLE OUTPUT
; SERIAL DATA INPUTS
; SERIAL CLOCK OUTPUT
; DMA (CH0/CH1) ENDING OUTPUTS
; TIMER OUTPUTS
; SERIAL DATA OUTPUTS
; REF. V FOR COMPARATOR INPUT
; CRYSTAL 1, 2
UPC311C (NEC)