Fl Display - Sharp CD-C422 Service Manual

CD-C422/C422C/C2800/C2800C
IC5 VHiM56748FP-1: Focus/Tracking/Spin/Slide Driver (M56748FP)
Vref-out
FL701 : VVKFiP9EM7R-1
1 2
Vref-in
Vref-in 1
OP1
2
Vref-out
5K
NC 3
Gain1
OP1
Gain1
4
10K 10K
Vctl1(–)
5
VM1(–)
VM1(–) 6
PA
VM1(+)
7
VM1(+)
PA
8
GND
9
GND
GND
10
GND
11 GND
VM2(+)
VM2(+)
12
PA
VM2(–)
VM2(–) 13
PA
Vctl2(–)
14
10K 10K
Gain2
15
OP1
Gain2
NC 16
NC
5K
1.23V
Vcc
17 Vcc
OP1
Reg5V 18
Reg5V
Figure 42-1 BLOCK DIAGRAM OF IC5

FL Display

3
REC
Figure 42-2 FL DISPLAY
15K
Stand
TSD 36
by
2K
23K
35
23K
15K
5K
34
Gain4
OP1
33
10K 10K
32
VM4(–)
31
PA
VM4(+)
30
PA
29
GND
28
GND
27
GND
GND 26
VM3(+)
25
PA
VM3(–)
24
PA
23
Vctl3(out)
10K
22
OP1
Vctl3(–)
Vcc
21
Vctl3(+)
10K
Vcc 20
10K
19
Regbase
SLEEP
X-BASS
– 42 –
Standby
SS.GND
Standby
Gain4
Vctl4(–)
VM4(–)
VM4(+)
GND
VM3(+)
VM3(–)
Vctl3(out)
Vctl3(–)
Vctl3(+)
Vcc
Regbase
MEMORY ST
WIDE
TA
SRS
DOLBY NR TP
kHz
RDS
MHz