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– TUNER SECTION – (AEP, UK MODELS)
STEREO
TUNED
MUTE
ST-CE
COM-DIN
COM-CLK
COM-DATA
B
MAIN
SECTION
(page 48)
TM1
ANTENNA
FM 75
Ω
COAXIAL
AM
ANT IN
IF OUT
F OUT
VT
FE1
FM FRONT END
ST +10V
IF AMP
Q1,2
IF AMP
Q3,4
CF1
10.7MHz
CF2
10.7MHz
CF3
10.7MHz
1
FM IN
5
3
2
26 25 24 23
22
21 20
17
16
15
14
13
12
4
27
6
Q12
MW SW
Q14
LW SW
Q13
MW SW
Q11
MW SW
11
LW SW
Q9
REG
29 AM OSC
AM RF IN
MW
RV42
FM
TUNED
LEVEL
3
4
5
6
30
14 15 11
FM SD
AM / FM
VCO STOP
IF BUFF MUTE
23
9
5
13
12
2
AM
SD
AM
SD
AM MIX
AM IF
IFT41
X42
450KHz
X43
456KHz
X41
10.7MHz
TUNED
LEVEL
AM
RV41
AMP IN L
AMP OUT L
MPX IN
OUT L
OUT R
AM / FM
8
7
STEREO
TUNED
LPF
RCH
FM / AM MPX
IC41
24
22
20
21
18
16
14
7
2 12 8
1 24
AM OSC
FM
VCO STOP
FM / AM IF
IF REQ
X IN
X OUT
CE
DI
CL
DO
A MAIN SECTION
(page 47)
PLL
IC21
FE2
MW / LW FRONTEND
•
R CH :Same as L CH
•
SIGNAL PATH
:FM
:MW
:LW
X21
4.5MHz
AM IF
DET
VCO
Q5
68
67
65
66
72
69
70
HCD-D690/XB6/XB600
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TEL 13942296513 QQ 376315150 892498299