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6-2. BLOCK DIAGRAMS
— TUNER SECTION — (RX30: AEP, UK, G, EE MODEL)
ST +10V
Q5
FE1
TM1
FM FRONT END
CF1
ANTENNA
10.7MHz
FM 75
ANT IN
IF OUT
COAXIAL
AM
AEP, UK, EE MODEL
MW/LW FRONTEND
6
5
3
2
G
MODEL
26 25 24 23
Q14
LW SW
Q12
Q13
MW
MW
SW
SW
AEP, UK, EE MODEL
10
15
19
9
09
CF2
CF3
IF AMP
10.7MHz
IF AMP
10.7MHz
1 FM IN
Q1, 2
Q3, 4
FM/AM MPX
IC41
FE2
12
4
REG
LW SW
Q9
13
14
15
16
G MODEL
AM MIX
2
17
29
AM OSC
AM
12
SD
22
21 20
27
AM RF IN
AM
13
SD
Q11
30
14
15 11
450kHz
MW
SW
RV42
FM
TUNED
LEVEL
11
14
7
2 12
8
PLL
IC21
— 17 —
OUT L
20
AM/FM
24
22
MPX IN
LPF
OUT R
21
RCH
AM IF
5
AM IF
IFT1
ST L
• R CH: Same as L ch
X41
• SIGNAL PATH
RDS SIG
10.7MHz
ST LED
8
STEREO
9
DET
RV41
TU LED
7
TUNED
AM
TUNED
• Abbreviation
LEVEL
G: German model.
EE : East European model.
VCO
23
X42
X43
456kHz
A
MUTE
MAIN
SECTION
(Page 23)
X21
4.5MHz
1 24
CE
3
ST-CE
4
DI
COM-DIN
CL
5
COM-CLK
DO
6
COM-DATA
18 AMP IN L
L 16
: FM
: MW
: LW
— 18 —
HCD-GR3/RX30
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