Service manual

CD-C422/C422C/C2800/C2800C
– 42 –
FL701 : VVKFiP9EM7R-1 FL Display
Figure 42-2 FL DISPLAY
1 2 3
REC X-BASS SLEEP
ST MEMORY
WIDE
TA
kHz
MHz
NR
SRS
TP
RDS
DOLBY
IC5 VHiM56748FP-1: Focus/Tracking/Spin/Slide Driver (M56748FP)
Figure 42-1 BLOCK DIAGRAM OF IC5
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
RegbaseReg5V
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