JVC CA-MXS6MDR Service Manual page 49

Symbol
Pin No.
91
SRDR
92 SFDR
93 SPRD
94
SPFD
95 FGIN
96 TEST1
97 TEST2
TEST3
98
99 DVSS
EFMO
100
TC4066BP / N / (IC673) : Switch
1.Pin layout & block diagram
IN/OUT1
1
OUT/IN1
2
OUT/IN2
3
IN/OUT2
4
CONT2 5
CONT3 6
VSS 7
TC74HC02AP (IC674) : 2ch Nor gate
1.Pin layout & block diagram
1
1Y
2
1A
1B 3
4
2Y
2A 5
2B 6
7
GND
I/O
O Sled servo drive PWM output. ( )
O
Sled servo drive PWM output. (+)
O Spindle servo drive output. (PWM ( ) or polarty)
O Spindle servo drive output. (PWM (+) or PWM absolute value)
I
Spindle CAV servo FG input.
I Test pin. Connect to GND.
I Test pin. Connect to GND.
I
Test pin. Connect to GND.
- Digital ground.
O
Low when playback ; EFM (encoded data) output when recording.
2.The truth circuit
VDD
14
I / O
CONT1
13
CONT4
12
IN/OUT4
11
CONT
OUT/IN4
10
OUT/IN3
9
IN/OUT3
8
2.The truth value table
14
VCC
13 4Y
12 4B
11
4A
10 3Y
9 3B
8
3A
Function
A
B
Y
L L
H
L
H
L
H
L
L
H H
L
CA-MXS6MDR
SP-MXS6MD
O/I
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