S-80741Al-A5-T1 - Sony DSR-300P Service Manual

S-80741AL-A5-S (SEIKO I&E)4.00 – 4.20 V

S-80741AL-A5-T1

C-MOS VOLTAGE DETECTOR
OUT V GND
DD
(1) (2) (3)
2 1
V OUT
DD
GND
3
S-81230PG-PB-T1 (SEIKO I&E)+3.0 V FLAT PACKAGE
THREE TERMINAL POSITIVE VOLTAGE REGULATOR
—TOP VIEW—
1 2 3
GND IN OUT
2 3
IN OUT
GND
1
SC7S32F (MOTOROLA)CHIP PACKAGE
TC7S32F(TE85R)
TC7S32FU(TE85R) (TOSHIBA)FLAT PACKAGE
TC7SH32FU-TE85R (TOSHIBA)FLAT PACKAGE
C-MOS 2-INPUT OR GATE
—TOP VIEW—
2
1 5 V
DD A A
4
1 Y =
B B
2
GND 3 4
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
SN74HC00APW-E05
SN74HC00APW-E20 (TI)FLAT PACKAGE
TC74VHC00FS(EL) (TOSHIBA)FLAT PACKAGE(SMALL)
C-MOS QUAD 2-INPUT NAND GATES
—TOP VIEW—
14 13 12 11 10 9 8
V
DD
A
B
Y = A • B = A + B
GND
1 2 3 4 5 6 7
DSR-300/P(J,E)/V2
Y
A
Y =
Y
B
A B Y
0 0 1
0 1 1
1 0 1
0 ; LOW LEVEL
1 1 0
1 ; HIGH LEVEL
SM5872AS-ET (NPC)FLAT PACKAGE
C-MOS 2-CHANNEL D/A CONVERTER FOR DIGITAL AUDIO
—TOP VIEW—
XTO 1 28 XTI
OUT IN
2 XGND X-V 27
DD
CKSL 3 A-V 26
OUT DD
CKO 4 25 RO
OUT OUT
MUTEO 5 A-GND 24
OUT
MUTEI 6 23 RON
IN OUT
MCON 7 A-V 22
IN DD
LRCI 8 A-V 21
IN DD
BCKI 9 20 LON
IN OUT
DI 10 A-GND 19
IN
MDT/FSEL1 11 18 LO
IN OUT
MCK/FSEL2 12 A-V 17
IN DD
MLEN/DEEM 13 D-V 16
IN DD
RSTN 14 D-GND 15
IN
AV , AGND : ANALOG
DD
DV , DGND : DIGITAL
DD
XV , XGND : FOR CRYSTAL OSCILLATOR
DD
INPUT
BCKI : BIT CLOCK
CKSL : SYSTEM CLOCK SELECT (L : 256 fs/H : 512 fs)
DI : DATA
LRCI : SAMPLE RATE (fs) CLOCK (L : R-CH/H : L-CH)
MCK/FSEL2 : MCON = H : MICROCOMPUTER INTERFACE CLOCK
MCON = L : FILTER SELECT *
2
: INTERFACE SELECT CONTROL *
1
MCON
MDT/FSEL1 : MCON = H : MICROCOMPUTER INTERFACE DATA
MCON = L : FILTER SELECT *
2
MLEN/DEEM : MCON = H : MICROCOMPUTER INTERFACE LATCH ENABLE
MCON = L : DEEMPHASIS CONTROL
MUTEI : DF OUTPUT SOFT MUTE (L : OFF/H : ON)
RSTN : SYSTEM RESET
XTI : OSCILLATOR
*1 *2
MCON MODE MCON
0 FSEL1, FSEL2, DEEM
1 MDT, MCK, MLEN
0 : LOW LEVEL 0 : LOW LEVEL
1 : HIGH LEVEL 1 : HIGH LEVEL
OUTPUT
CKO : CLOCK
LO : L-CH PWM (PULSE WIDTH MODULATION) (+)
LON : L-CH PWM (PULSE WIDTH MODULATION) (_)
MUTEO : INFINITY ZERO DETECT
RO : R-CH PWM (PULSE WIDTH MODULATION) (+)
RON : R-CH PWM (PULSE WIDTH MODULATION) (_)
XTO : OSCILLATOR
INPUT FILTER
10 L
DI
INTERFACE OPERATION
AND AND
5 R
INFINITY•ZERO ATTENUATION
MUTEO
DETECTOR OPERATION
9
BCKI
11
MDT/FSEL1 MICROCOMPUTER
12
INTERFACE
MCK/FSEL2
AND
13
MLEN/DEEM
DEEMPHASIS
7
SELECT
MCON
6
ATTENUATION
MUTEI
COUNTER
14
RSTN
TIMING
3
CONTROL
CKSL
8
LRCI
28
XTI
1
XTO
4
CKO
10 18
DI LO
20
LON
9 25
BCKI RO
23
RON
11
MDT/FSEL1
12
MCK/FSEL2
13
MLEN/DEEM
7
MCON
6 5
MUTEI MUTEO
14
RSTN
3
CKSL
8
LRCI
28 1
XTI XTO
4
CKO
FSEL1 FSEL2
0 0 0 (44.1 kHz) 1 (48.0 kHz)
0 1 0 (44.1 kHz) 1 (32.0 kHz)
18
LO
L L 20
PWM
LON
NOISE SHAPE
DATA
OPERATION
GENERATOR
R R 25
BLOCK
RO
BLOCK
23
RON
9-41
IC