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— 15 —
— 16 —
5-2. BLOCK DIAGRAMS
— TUNER SECTION — (E, AR, MX models)
— TUNER SECTION — (E, AR, MX models)
HCD-G1
FM
75 OHM
JK101
ANTENNA
L101
AM
1
6
3
8
RF IN
IF OUT
FM FRONT
END
IC101
MAX IN
OSC
T101
TC101,L102
FM TRACKING
D107
D106
FM OSC
AMP
Q102
L103
FM TUNING
VOLTAGE
TP2
VT
G
L104
L104,TC102
AM TRACKING
AM TUNING
VOLTAGE
FM TUNING
VOLTAGE
TP2
TC102
L.P.F
Q107,108
AM RF
AMP
Q106
21
1
24
X201
7.2MHz
17
Q105
B+
B+
19
L103
FM IF
AMP
Q101
1
FM IF
CF102
10.7MHz
CF101
10.7MHz
AM TUNING
VOLTAGE
L105
23
24
21
22
18
FM
TUNED
LEVEL
SFR101
6 10
7 15 16
12 13
20 11 12 13
14
2 3 4
AGC
CONT.
Q109
8
CF104
10.4MHz
17
CF105
19kHz
CF103
450kHz
16
18
IF
G
TP1
7
2
T102
4
DI
CLK
CE
MUTE
STEREO
DO
ST IND
14
AM IF
L OUT
TU L
FM DET
MPX VCO
MPX IN
AM/FM
ST IND
AM MIX
PL DET
PH DET
PH DET
SMET
AM/FM
TU LED
OSC
AFC
AM RF
OSC/FMSD
A
MAIN
SECTION
CE
DI
CLK
DO
ST/MONO
AM/FM
SD
H CTR
L CTR
SD/IN
AM IN
FM IN
FM B+
X OUT
X IN
PD 1
09
FM/AM MPX
IC102
• R CH is omitted
• Signal path
: FM
: AM
• Abbreviation
• Signal path
: FM
: AM
• Abbreviation
AR : Argentine model.
MX : Mexican model.
MX : Mexican model.
5
PLL
IC201
(Page 23)
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