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HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
16
16
6-2. BLOCK DIAGRAM - MAIN Section -
R-CH
TUNER (FM/AM)
AM
FM ANT
AM ANT
ST-L
ST-R
ST-DOUT
R-CH
R-CH
(E4)
R-CH
ST-DIN
ST-CLK
ST-CE
FM75
:
COAXIAL
ANTENNA
TUNED
43 ST-L
56 ST-R
54 TAPE R
36 REC BL
7 REC BR
21
DA
TA
22
CLK
BAND-PASS
FILTER
Q115
BASS AGC
Q128
BASS AGC
Q178
D630
: AUDIO
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
J700
MIC
RV700
MIC LEVEL
IC700 MIC AMP
R
L
J120
PC IN
L-OUT
REC-L
HP DET
OUT
SW OUT
BASS AGC
: MIC
: TAPE (PLAY)
: TAPE (REC)
R-CH
R-CH
Q682
R-CH
L501
S501
IC502
IC501
OP AMP
OP AMP
MUTE
SW
Q683
MUTE
SW
BIAS OSC
Q501, 502
R-CH
EH
VREF
SW
L-CH
TAPE DECK
X402
8MHz
X401
32.768kHz
Abbreviation
E4 :
African
model