Read Sharp CD-C471H (serv.man13) Service Manual online
CD-C471H
– 58 –
FL701 : VVKBJ549GK/-1 FL Display
Figure 58 FL DISPLAY
1
2
3
X-BASS
kHz
MHz
RDS
EON
TA
PTY
TP
33 250 1k
4k 16k
SLEEP
ST 4-SP
SRS
MEMORY
PRO LOGIC
REC
TI
IC3 VHiM56748FP-1: Focus/Tracking/Spin/Slide Driver (M56748FP)
Figure 58 BLOCK DIAGRAM OF IC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
Vref-in
Vref-in
Vref-out
NC
Gain1
Vctl1(–)
VM1(–)
VM1(+)
VM2(+)
VM2(–)
Vctl2(–)
Gain2
NC
Vcc
Reg5V
OP1
Vref-out
TSD
Stand
by
Gain4
VM4(–)
Pre-driver
Pre-driver
VM4(+)
Gain1
5K
15K
15K
2K
23K
23K
5K
10K
10K
10K
10K
VM1(–)
VM1(+)
OP1
PA
PA
OP1
PA
PA
VM3(–)
Vctl3(out)
Vctl3(–)
Vctl3(+)
Vcc
Vcc
Vcc
GND
GND
GND
GND
GND
GND
GND
GND
GND
Regbase
Reg5V
Pre-driver
Pre-driver
VM3(+)
Gain2
NC
5K
1.23V
10K
10K
10K
10K
10K
VM2(–)
VM2(+)
OP1
OP1
PA
PA
OP1
PA
PA
Standby
SS.GND
Standby
Gain4
Vctl4(–)
VM4(–)
VM4(+)
VM3(+)
VM3(–)
Vctl3(out)
Vctl3(–)
Vctl3(+)
Vcc
Regbase
GND
