Sharp MD-C2 Service Manual page 84

MD-C2
IC3 VHiM63001FP-1: Focus/Tracking/Spin/Sled/Loading Driver (M63001FP)
Pin No. Terminal Name
1 IN2- CH2 inverted input
2 IN1A- CH1 inverted input
3 IN1B- CH1 output offset control
4 OUT1- CH1 inverted output
5 OUT1+ Ch1 non-inverted output
6 OUT2+ CH2 inverted output
7 OUT2- CH2 non-inverted output
8~4 GND GND
15 OUT3+ CH2 non-inverted output
16 OUT3- CH3 inverted output
17 IN3- CH3 inverted input
18 VCC1 Power supply 1 (CH1, CH2, CH3)
19 STANDBY STANDBY signal input.
20 VREF CH1-CH4 Reference voltage input
21 MUTE Mute signal input (CH6)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
1
IN2- 42 IN6+
2
IN1A- 41 IN6-
3
IN1B- 40 VCC4
4
OUT1- 39 OUT6-
5
OUT1+ 38 OUT6+
6
OUT2- 37 OUT5-
7
OUT2+ 36 OUT5+
8 35
9 34
10 33
GND
12 32
13 31
13 30
14 29
15 28
OUT3+ VCC3
16 27
OUT3- OUT4+
17 26
IN3- OUT4-
18 25
VCC1 IN4-
19 24
STANDBY VCC2
VREF 20 23 IN5+
MUTE 21 22 IN5-
Function
VCC1
IN1B-
10K 13.3K
IN1A-
VCC1
–
+
10K 13.3K
VCC1
–
+
10K 13.3K
IN2-
VCC1
–
GND +
10K 13.3K
VCC1
–
+
10K 13.3K
IN3-
VCC1
–
+
10K 13.3K
VCC1
–
+
10K 13.3K
IN4-
VCC2
–
+
VREF
10K 13.3K
VCC2
–
+
Figure 84 BLOCK DIAGRAM OF IC
Pin No. Terminal Name
22 IN5-
23 IN5+
24 VCC2
25 IN4-
26 OUT4-
27 OUT4+
28 VCC3
29~35 GND
36 OUT5+
37 OUT5-
38 OUT6+
39 OUT-
40 VCC4
41 IN6-
42 IN6+
GND GND
VCC2
VCC1
r
–
+
VrefmAmp.
r
IN6-
OUT1+
IN6+
loMAX
5K
300mA
focus
5K
OUT1-
OUT2+
loMAX
5K
300mA
tracking
IN5-
5K
OUT2-
IN5+
OUT3+
VCC1
loMAX
5K
300mA
STD
sred
5K
OUT3-
MUTE
OUT4+
10K
loMAX
5K
300mA
10K
SPM
5K
OUT4-
– 84 –
Function
CH5 inverted input
CH5 non-inverted output
Power supply 2 (CH4)
CH4 inverted input
CH4 inverted output
CH4 non-inverted output
Power supply 3 (CH5)
GND
CH5 non-inverted output
CH5 inverted output
CH6 non-inverted output
CH6 inverted output
Power supply 4 (CH6)
CH6 inverted input
CH6 non-inverted input
VCC4
VCC4
r
–
+
VrefmAmp.
r
10K 13.3K
VCC4
–
OUT6+
+
10K 13.3K loMAX
5K
300mA
changer
VCC4
VCC3
5K
–
OUT6-
+
VCC3
r
–
+
VrefmAmp.
r
10K 13.3K
VCC3
–
OUT5+
+
10K 13.3K
loMAX
5K
300mA
VCC3 loding
5K
–
OUT5-
+
H:DISABLE Low,Open:DISABLE
VCC1 VCC4
STANDBY
MUTE Standby
CH6 CH1~6
10K
10K