TUNER BLOCK
A
IC1
15
14
5
7
9
11
13
12
10
8
6
3
4
1
2
17
16
19
18
21
20
23
22
24
CN6
2.8V
(TO MAIN CIRCUIT CN2)
HEADPHONE
SV-MP710V(GC/GK/GD/GN/GH) BLOCK DIAGRAM
TP48
TP47
S.S.G
F=87.5MHz
Mod=30%
Mod f=400Hz
233.0mV P-P
REC Signal Line.
Radio (analog) Signal Line.
Notes :
MP3 and FM and IC REC Signal Line.
FM RF Signal Line.
Voltage from negative terminal of battery.
( )...MP3 position,[ ]...FM position.
No mark...MP3 and FM position.
C1BB00000997
FM TUNER
15
14
5
7
9
11
13
12
8
6
3
4
2
17
16
19
18
23
22
24
28
29
26
27
25
38
39
36
37
34
35
32
33
W/R
L GAIN
AGND
V CCD
RFI 1
RF GND
RFI 2
TAGC
CP
OUT
VCO
TANK1
VCO
TANK2
VCC (VCO)
DGND
VCCD
DA
TA
CLOCK
BUSENABLE
BUSMODE
SWPORT1
SWPORT1
XTAL1
XTAL2
LIMDEC1
LIMDEC2
TIFC
V
ref
MPXO
TMUTE
V
AFR
V
AFL
PILFIL
PHASEFIL
GAIN
STABILIZTION
RESONANCE
AMPLIFIER
LIMITER
DEMODULATOR
POWER
SUPPLY
SOFT
MUTE
MPX
DECODER
CRYSTAL
OSCILLATOR
SOFTWARE
PROGRAMMABLE
PROT
I/O-MIXER
1st FM
AGC
N1
2
TUNING SYSTEM
VCO
IF CENTER
FREQUENCY
ADJUST
LEVEL
ADC
IF
COUNTER
MUX
Programmable
divider output
reference frequency
divider output
I C-BUS
AND
3-WIRE BUS
2
momo
pilot
SDS
X1
13MHz
IC8
Regulate
Voltage
L1
LOOP SW
FM RF Signal Line
1
2
3
4
VIN
VOUT
CE
VSS
IC6
[0] (0)
[2.8]
(0)
[3.25]
(1.35)
1
2
3
4
VIN
VOUT
CE
VSS
[3.26]
(1.36)
[0]
(0)
[2.82]
(1.36)
[3.26]
(1.36)
IC6
Regulate
Voltage
IC8
[3]
(0)
