Sony BVW-55 Maintenance Manual page 626

IC
S-80840ANUP-ED4-T2 (SEIKO INSTR)3.92-4.08 V
C-MOS VOLTAGE DETECTOR WITH N-CHANNEL OPEN DRAIN OUTPUT
—TOP VIEW—
2
V
DD
1 2 3
V
2
OUT V GND
DD
3
GND
S-81230SGUP-DQB-T1 (SEIKO I&E)
THREE TERMINAL POSITIVE VOLTAGE REGULATOR
—TOP VIEW—
2
IN OUT
GND
1
1 2 3
GND IN OUT
SBX1645-01 (SONY)
DOLBY TYPE C NOISE REDUCTION SYSTEM
—TOP VIEW—
24 23 22 21 20
GND
NC GND V
CC
1 2 4 5 6
PIN PIN
I/O SIGNAL I/O
NO. NO.
1 I REC/PB-2 7 —
2 — NC 8 I
3 9 —
4 — GND 10
5 I SIG IN-2 11 I
6 — V 12 I
CC
INPUT
ON
OFF/ ; NOISE REDUCTION ON/OFF SWITCH
REC/PB-1, 2 ; RECORD/PLAYBACK SWITCH (H : EE)
SIG IN-1, 2 ; AUDIO SIGNAL
TCL-1, 2 ; EXTERNAL CAPACITY CONNECTION
OUTPUT
D. POINT-1, 2 ; DOLBY POINT
; LINE ( DECODE OUTPUT )
LINE OUT-1, 2
REC OUT-1, 2 ; RECORDING SIGNAL ( ENCODE OUTPUT )
2-76
1
OUT
GND
3
DD
VOLTAGE
DETECT
1
OUT
3
17 16 15 14 13
1
REC/PB-2
GND
12
REC/PB-1
5
SIG IN-2
8
SIG IN-1
21
TCL-2
16
TCL-1
11
OFF/
V GND
EE
7 8 9 11 12
PIN PIN
SIGNAL I/O SIGNAL I/O SIGNAL
NO. NO.
V 13 — GND 19
EE
SIG IN-1 14 O LINE OUT-1 20 O REC OUT-2
GND 15 O D.POINT-1 21 I TCL-2
16 I TCL-1 22 O D.POINT-2
ON
17 O REC OUT-1 23 O LINE OUT-2
OFF/
REC/PB-1 18 24 —
SC7S02F (MOTOROLA)
TC7S02F(TE85R)
TC7S02FU(TE85R)
TC7S02FU-TE85L (TOSHIBA)
TC7SET02FU(TE85R) (TOSHIBA)
TC7SH02FU (TOSHIBA)
TC7SH02FU-TE85R
C-MOS 2-INPUT NOR GATE
—TOP VIEW—
1 5 V
2
GND 3 4
SC7S32F (MOTOROLA)
TC4S71F (TOSHIBA)
TC4S71F(TE85R)
TC7S32F(TE85R)
TC7S32FU(TE85R) (TOSHIBA)
TC7SET32FU(TE85R) (TOSHIBA)
TC7SH32FU-TE85R (TOSHIBA)
C-MOS 2-INPUT OR GATE
—TOP VIEW—
1
5 V
2
GND 3 4
20
REC OUT-2
17
REC OUT-1
23
LINE OUT-2
14
LINE OUT-1
SN74HC00ANS (TI)
22
D. POINT-2
15
SN74HC00ANS-E05
D. POINT-1
TC74VHC00FT(EL) (TOSHIBA)
ON
C-MOS QUAD 2-INPUT NAND GATES
—TOP VIEW—
14 13 12
V
DD
1 2 3
GND
SN74HC02APW-E05 (TI)
TC74VHC02FT(EL) (TOSHIBA)
C-MOS QUAD 2-INPUT NOR GATES
—TOP VIEW—
14 13 12
V
DD
1 2 3
1
A A
DD 4
Y = Y
2
B B
A + B A B
Y = = •
A B Y
0 0 1
0 1 0
1 0 0
0 : LOW LEVEL
1 1 0
1 : HIGH LEVEL
2
A A
DD
4
Y = Y
1
B B
A B
Y = A + B = •
A B Y
0 0 0
0 1 1
1 0 1
0 : LOW LEVEL
1 1 1
1 : HIGH LEVEL
11 10 9 8
A A
Y =
B
B
Y = A • B = A + B
A B Y
0 0 1
GND
0 1 1
4 5 6 7
1 0 1
0 ; LOW LEVEL
1 1 0
1 ; HIGH LEVEL
11 10 9 8
A
Y = Y
B
A B
Y = A + B = •
A B Y
0 0 1
GND
0 1 0
4 5 6 7
1 0 0
0 : LOW LEVEL
1 1 0
1 : HIGH LEVEL
Y
A
B
BVW-55