Sony HDW-750 Maintenance Manual page 161

AT17LV512-10JC (ATMEL)
CONFIGURATION EEPROM
—TOP VIEW—
CLK NC
4 18
WP1 5 17 SER_EN
OE
RESET/ 6 16 NC
WP2 7 15 READY
CEO
CE
8 14
/A2
INPUTS
A2 : DEVICE SELECT
CE
: CHIP ENABLE
CLK : CLOCK
OE
RESET/ : RESET/OUTPUT ENABLE (WHEN SER_EN IS HIGH)
SER_EN : SERIAL ENABLE
WP1, WP2 : WRITE PROTECT
OUTPUTS
CEO
: CHIP ENABLE
READY : OPEN COLLECTOR RESET STATE INDICATOR
INPUT/OUTPUT
DATA : THREE STATE DATA
OTHER
NC : NO CONNECTION
CAT24WC02PI (CATARYST)
CAT24WC16JI-TE13 (CATARYST)
SERIAL EEPROM
—TOP VIEW—
INPUTS
A0 - A2
A0 1 8 V
CC
SCL
WC
A1 2 7 *NOTE
WP
A2 3 6 SCL
INPUT/OUTPUT
SDA
GND 4 5 SDA
OTHERS
NC
TEST
*NOTE :
TYPE MEMORY PIN 7
NM24C16 16 K NC
X24C02
WC
2 K
S-24C02
CAT24WC02 2 K WP
X24C04 4 K TEST
X24C08 8 K TEST
CAT24WC16 16 K WP
CAT24WC128JI-TE13 (CATARYST)
128K-BIT SERIAL EEPROM
—TOP VIEW—
INPUTS
SCL
NC V
1 8 CC
WP
NC 2 7 WP
INPUT/OUTPUT
SDA
NC 3 6 SCL
OTHER
GND 4 5 SDA
NC
HDW-750 V2
: ADDRESS
: SERIAL CLOCK
: WRITE CONTROL
: WRITE PROTECT
: SERIAL DATA
: NO CONNECTION
: TEST PIN
: SERIAL CLOCK
: WRITE PROTECT
: SERIAL DATA/ADDRESS
: NO CONNECTION
CXA1512N-4 (SONY)
MOTOR SENSOR AMPLIFIER
—TOP VIEW—
DRUM FG 1
IN
DRUM FG LPF (1) 2
DRUM FG LPF (2) 3
DRUM FG GND
4
REFERENCE VOLTAGE
OUT 5
DRUM PG 6
IN
GND 7
INPUTS
CAPSTAN FG (_) : CAPSTAN FG (_) (SINE WAVE)
CAPSTAN FG (+) : CAPSTAN FG (+) (SINE WAVE)
DRUM FG : DRUM FG (SINE WAVE)
DRUM PG : DRUM PG (INTERMITTENT HALF-WAVE SINE WAVE)
OUTPUTS
CAPSTAN FG : CAPSTAN FG BLOCK
DRUM FG : DRUM FG BLOCK
DRUM PG : DRUM PG BLOCK
OTHERS
DRUM FG GND : GND PIN OF DRUM FG BLOCK
SUPPLIED FROM REFERENCE VOLTAGE
DRUM FG LPF (1), DRUM FG LPF (2) : CONNECT TO THE CAPACITOR
PEAK DETECTION : CONNECT TO THE CAPACITOR
REFERENCE VOLTAGE : 2.0V REFERENCE VOLTAGE/
GROUND VOLTAGE OF DRUM FG AND DRUM PG
1
DRUM FG
1 k
2
DRUM FG LPF (1)
9 k
OPE AMP1
3
DRUM FG LPF (2)
10 k 50 k
4
DRUM FG GND
2.0 V
5
REFERENCE VOLTAGE
500 k
6
DRUM PG
500 k
OPE
AMP2
100 k
OPE
AMP3
14 CAPSTAN FG (+)
IN
13 CAPSTAN FG (_)
IN
12
CAPSTAN FG
OUT
11 V
CC
10 DRUM FG
OUT
9 DRUM PG
OUT
8 PEAK DETECTION
14
CAPSTAN FG (+)
13
CAPSTAN FG (_)
COMP-1
12
CAPSTAN FG
COMP-2
10
DRUM FG
50 k
COMP-3
9
DRUM PG
1.5 k
8
PEAK DETECTION
2-7
IC