Sharp CD-BK260V Service Manual page 50

CD-BK260V/CD-BK2700V/CD-BK280V
IC3 VHiM63001FP-1: Focus/Tracking/Spin/Sled 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.
8-14 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.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
ICM4 RH-iX0408AW00: EPROM (IX0408AW)
Pin No. Port Name
1 VPP PROGRAM POWER SUPPLY.
2,3 A16,15 ADDRESS INPUTS.
4 A12 ADDRESS INPUTS.
5-12 A7-0 ADDRESS INPUTS.
13-15 I/O0-2 DATA INPULS/OUTPUTS.
16 GND GROUND.
17-21 I/O3-7 DATA INPULS/OUTPUTS.
22 CE CHIP ENABLE.
23 A10 ADDRESS INPUTS.
24 OE OUTPUT ENABLE.
25 A11 ADDRESS INPUTS.
26,27 A9,8 ADDRESS INPUTS.
28,29 A13,14 ADDRESS INPUTS.
30 A17 ADDRESS INPUTS.
31 PGM PROGRAM STROBE.
32 VCC POWER SUPPLY.
Function
– 50 –
IN2–
1
2
IN1A–
IN1B– 3
OUT1–
4
5
OUT1+
OUT2– 6
7
OUT2+
8
9
10
11
GND
12
13
14
OUT3+
15
OUT3–
16
IN3–
17
VCC1
18
STANDBY
19
VTEF
20
MUTE
21
Figure 50 BLOCK DIAGRAM OF IC
Function
IN6+
42
41
IN6–
VCC4
40
OUT6–
39
38 OUT6+
37 OUT5–
36
OUT5+
35
34
33
GND
32
31
30
29
28
VCC3
27
OUT4+
26
OUT4–
25
IN4–
24
VCC2
23 IN5+
22 IN5–