Sharp CD-PC1881V, Руководство по обслуживанию

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CD-PC1881V
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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.
8-14 GND GND
15 OUT3+ CH3 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 VRFE CH1-CH4 Reference voltage input.
21 MUTE Mute signal input (CH6).
22 IN5- CH5 inverted input.
23 IN5+ CH5 non-inverted input.
24 VCC2 Power supply 2 (CH4).
25 IN4- CH4 inverted input.
26 OUT4- CH4 inverted output.
27 OUT4+ CH4 non-inverted output.
28 VCC3 Power supply 3 (CH5).
29-35 GND GND
36 OUT5+ CH5 non-inverted output.
37 OUT5- CH5 inverted output.
38 OUT6+ CH6 non-inverted output.
39 OUT6- CH6 inverted output.
40 VCC4 Power supply 4 (CH6).
41 IN6- CH6 inverted input.
42 IN6+ CH6 non-inverted input.
IC3 VHiM63001FP-1: Focus/Tracking/Spin/Sled Driver (M63001FP)
Pin No. Terminal
Name
Function
Figure 48 BLOCK DIAGRAM OF IC
IC471,650,651 VHiKiA4558P-1: Ope Amp. (KIA4558P)
1
2
3
4
8
7
6
5
OUT A
–IN A
+IN A
VEE
VCC
OUT E
–IN B
+IN B
–
+
A
+
–
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
28
30
31
32
33
34
35
36
37
38
39
40
41
42
27
26
25
24
23
22
IN2–
IN1A–
IN1B–
OUT1–
OUT1+
OUT2–
OUT2+
OUT3+
OUT3–
IN3–
VCC1
STANDBY
VREF
MUTE
GND
GND
VCC3
OUT4+
OUT4–
IN4–
VCC2
IN5+
IN5–
IN6+
IN6–
VCC4
OUT6–
OUT6+
OUT5–
OUT5+
M63001FP
29