Fl Display - Sharp CD-C290X Service Manual

IC5 VHiM56748FP-1: Focus/Tracking/Spin/Slide Driver (M56748FP)
FL701 : VVKFiP9EM7R-1
1 2
Vref-in
Vref-in 1
OP1
Vref-out
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
Reg5V 18
Reg5V
Figure 45-1 BLOCK DIAGRAM OF IC5

FL Display

3
REC
Figure 45-2 FL DISPLAY
Stand
TSD
by
23K
23K
5K
Gain4
OP1
10K 10K
VM4(–)
PA
VM4(+)
PA
VM3(+)
PA
VM3(–)
PA
Vctl3(out)
10K
OP1
Vctl3(–)
Vcc
Vctl3(+)
10K
OP1
10K
Regbase
X-BASS
SLEEP
– 45 –
15K
36 Standby
2K
SS.GND
35
15K
34 Standby
Gain4
33
Vctl4(–)
32
31 VM4(–)
30
VM4(+)
29
GND
28
GND
GND
27
GND
GND 26
VM3(+)
25
VM3(–)
24
Vctl3(out)
23
Vctl3(–)
22
Vctl3(+)
21
20 Vcc
Vcc
19 Regbase
MEMORY
SRS
kHz NR
DOLBY
MHz
CD-C290X
ST
WIDE
T A
T P
RDS