Sony HSR-1 Service Manual page 9

IC
AK6480AM-E2 (ASAHI KASEI)
C-MOS 8 K (512 x 16)-BIT SERIAL EEPROM
—TOP VIEW—
CS
1 V 8
DD
SK BUSY
2 7 RDY/
3 6
DI RESET
DO 4 GND 5
INPUT OUTPUT
CS
: CHIP SELECT DO
BUSY
DI : SERIAL DATA RDY/
RESET : RESET
SK
: SERIAL DATA CLOCK
INSTRUCTION
3
DI
REGISTER
INSTRUCTION
8
DECODER,
CONTROLLER
2
AND
SK
CLOCK
GENERATOR
1
CS
6
RESET
BA033FP (ROHM)
BA033FP-E2
POSITIVE VOLTAGE REGULATOR
( 2 )
1 3
IN
GND
2
2
3
1 OUT
CXA1450M-TH (SONY)
VIDEO SIGNAL SWITCH
—TOP VIEW—
OUT CONT
8 7 6 5
V GND
CC
1
IN1
SW
3
IN2
5
CONT
V
GND EE
1 2 3 4
IN1 IN2
HSR-1/1P
HSR-2/2P
3 4
DI DO
2
SK
1 7
BUSY
RDY/
CS
RESET
6
: SERIAL DATA
BUSY
: READY/
16 16
DATA R/W AMP
REGISTER AND
EEPROM
AUTO ERASE
8,192 BITS
8 16 (512 x 16)
ADDRESS
DECODER
BUFFER
VPP
SWITCHER
VPP
GENERATOR
V REF
7
OUT
CXD1176Q (SONY)
CXD1176Q-T4
C-MOS 8-BIT 20MSPS VIDEO A/D CONVERTER
—TOP VIEW—
24 23 22 21 20
25
26
27
28 DGND
29
30
DGND
31
32
1 2 3 4 5
4
DO
PIN PIN
I/O SIGNAL I/O
NO. NO.
D0 ( LSB )
1 O 17
2 O D1 18
3 O D2 19
4 O D3 20
5 O D4 21
6 O D5 22
7 O D6 23
D7 ( MSB )
8 O 24
9 — NC 25
10 — DV 26
DD
11 — DV 27
DD
12 I CLK 28
13 I SEL 29
14 I SYNC 30
7
RDY/BUSY
15 I PW 31
16 — AV 32
DD
30
OE
1 LOWER
D0
(LSB)
ENCODER
2 LOWER
D1
( 4-BIT )
DATA
3
D2
LATCH
4
D3
LOWER
ENCODER
( 4-BIT )
5
D4
6
UPPER
D5
DATA
7 UPPER
D6
LATCH
ENCODER
8
D7
( 4-BIT )
(MSB)
CLOCK
12
CLK
GENERATOR
29
CLE
27
CCP
26
V REF
19 18 17
17
VRTS D0
AV 16
DD
18
VRT D1
D2
15
21
V IN D3
12
D4
14
D5
25
VRBS D6
13
24
VRB D7
12
29
CLE
27
CCP
DV 11
DD 26
V REF
15
PW
DV 10
DD 14
SYNC
13
SEL
9
OE
30
6 7 8
INPUT
CCP ; CLAMP CONTROL VOLTAGE
SIGNAL
FOR INTEGRATOR
CLE
; CLAMP ENABLE
I VRTS
CLK ; CLOCK
I VRT
CLP ; CLAMP PULSE
OE
— AV
DD ; OUTPUT ENABLE
PW ; PULSE WIDTH FOR MONO MULTI
— AV
DD
SEL ; TRIGGER SELECT
I V IN
SYNC ; TRIGGER PULSE FOR MONO MULTI
— AGND
VIBRATOR
— AGND
V IN ; ANALOG
I VRB
; REFERENCE VOLTAGE ( BOTTOM )
VRB
I VRBS VRBS ; SELF REFERENCE VOLTAGE SHORT
( +0.5 V/BOTTOM )
I VREF
VREF ; VOLTAGE REFERENCE FOR CLAMP
I CCP
; REFERENCE VOLTAGE ( TOP )
VRT
— DGND
VRTS ; SELF REFERENCE VOLTAGE SHORT
CLE
I
( +2.6 V/TOP )
OE
I
— DGND OUTPUT
D0 - D7 ; DATA
— NC
REFERENCE
SUPPLY
LOWER
SAMPLING
COMPARATOR
( 4-BIT )
LOWER
SAMPLING
COMPARATOR
( 4-BIT )
UPPER
SAMPLING
COMPARATOR
( 4-BIT )
_
+
MONO MULTI
VIBRATOR
IC
1
2
3
4
5
6
7
8
25
VRBS
24
VRB
23
AGND
22
AGND
21
V IN
19
AV
DD
18
VRT
17
VRTS
15
PW
14
SYNC
13
SEL
7-3