Cx22017-Th - Sony DSR-300P Service Manual

IC
AK6480AF-E2 (ASAHI KASEI)
C-MOS 8 K (512 x 16)-BIT SERIAL EEPROM
—TOP VIEW—
BUSY
RDY/ 1 8
2 GND 7
V
DD
CS
3 6
SK
4 5
CS
: CHIP SELECT INPUT
DI : SERIAL DATA INPUT
DO : SERIAL DATA OUTPUT
BUSY BUSY
RDY/ : READY/ OUTPUT
RST : RESET INPUT
SK
: SERIAL DATA CLOCK INPUT
BA6285FP-E2 (ROHM)FLAT PACKAGE
BIPOLA POSSIBLE REVERSE MOTOR DRIVER
—TOP VIEW—
1 NC NC 24
2 NC NC 23
3 NC NC 22
4 NC NC 21
OUT2 5 20 VREF
RNF 6 19 RIN
IN
7 GND 18 POWER SAVE
OUT1 8 17 FIN
9 NC V 16
CC
10 NC 15 VM
11 NC NC 14
12 NC NC 13
FIN RIN OUT2 OUT1 MODE
H L L H NORMAL MODE
L H H L REVERSE MODE
H H L L BRAKE MODE
L L OPEN OPEN STAND BY MODE
15
VM
16
V
CC
18
POWER
POWER
SAVE
SAVE
19
RIN
CONTROL
LOGIC
17
FIN
20
VREF
7
GND
6
RNF
9-8
5 6
DI DO
RST
4
SK
3 1
BUSY
CS RDY/
5
RST
DI
DO 8
DI
4
SK
3
CS
8
RST
17 8
FIN OUT1
19 5
RIN OUT2
18
POWER SAVE
6
RNF
VM
15
IN
IN
IN
IN
IN
INPUT
FIN : MODE SELECTION
POWER SAVE : POWER SAVE SWITCH
RIN : MODE SELECTION
RNF : OUTPUT BLOCK GROUND
OUTPUT CURRENT DETECTION
RESISTOR CONNECTION
VREF : REFERENCE VOLTAGE SETTING
VM : POWER SUPPLY FOR MOTOR
OUTPUT
OUT1, OUT2 : MOTOR DRIVE SIGNAL
DRIVER
8
OUT1
5
OUT2
DRIVER
ISO
DATA
INSTRUCTION
INSTRUCTION REGISTER
DECODER,
REGISTER
CONTROLLER
8
AND
9
ADDRESS
CLOCK
BUFFER
GENERATOR
V REF
CX22017 (SONY)

CX22017-TH

VIDEO SIGNAL PROCESSOR
—TOP VIEW—
16 15 14 13
V
CC
GND V
1 2 3 4
3
SC
BAL
4
B-Y
MOD
BAL
1
R-Y
MOD
PHASE
15
SC
ALT
14
L ALT
13
SC1
BURST
11
GATE
SC2
CXA1211M (SONY)
CXA1211M-T4
ELECTRONIC VOLUME
—TOP VIEW—
IN1 1
VCA
CONT1 2
IN
1
VCA
OUT1
3
2
4 GND
BUFFER
16 R/W AMP 16
AND
EEPROM
AUTO ERASE
8192 BITS
(512 x 16)
18
DECODER
VPP
SWITCHER
VPP
GENERATOR
BUFFER
12 11 10 9
GND
EE
5 6 7 8
CONT BLKG
6 7
GAIN BLKG 8
+
CHROMA
BUFF
CONT CLEAN
9
BUFF BURST
12
BF
V 8
CC
7 IN2
CONT2
6
IN
5 OUT2
6
DO
1
RDY/BUSY
DSR-300/P(J,E)/V2