HCD-GTR88
HCD-GTR88
18
18
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
FM 75
:
COAXIAL
ANTENNA
TUNED
54
ST
-TUNED
43
ST
-L
56
ST
-R
42
TAPE L
1
TAPE R
R-CH
3
CD-R
36
REC BL
7
REC BR
21
DATA
22
CLK
44
30
PC-L
46
MIC
29
VOLINL
T
ONEOUTL
26
(SW OUTL)
R-CH
55
PC-R
40
CD-L
46
ST
-DOUT
51
ST
-CLK
53
ST
-CE
R2A15216FP-DATA
58
TC REC MUTE
41
TC STATE
72
9
SA2
POWER ILLUMINATOR
69
VACS IN
70
R2A15216FP-CLK
57
HP/MIC DET
66
25
20
AGC OUTL
(SW OUTR)
AGC OUTR
OUTL
6
RECAR
28
BB1L
37
RECAL
BAND-P
ASS
FIL
TER
Q210
27
19
17
18
BB2L
BB2R
BB1R
OUTR
BASS AGC
Q128
BASS AGC
Q178
D104
D201
D1
16
INPUT
SELECT
OR,
ELECTRICAL
VOLUME
IC400
SYSTEM CONTROLLER
IC401 (2/4)
: AUDIO
SIGNAL
P
A
TH
R-CH is omitted due to same as L-CH.
: TUNER
(FM/AM)
J700
MIC
R
V700
MIC LEVEL
IC700 MIC
AMP
52
ST
-DIN
PC_R
PC_L
J020
PC IN
L-OUT
REC-L
HP
DET
OUT
SW OUT
BASS AGC
: MIC
: T
APE
(PLA
Y)
: T
APE
(REC)
R-CH
R-CH
R-CH
1
3
7
5
R-CH
Q063
5
7
R-CH
L501
S501
IC502
IC501
OP
AMP
OP
AMP
MUTE
SW
Q062
MUTE
SW
BIAS OSC
Q501, 502
R-CH
EH
VREF
SW
L-CH
TAPE DECK
A
(Page 17)
13
X-OUT
15
X-IN
X402
8MHz
11
XC-OUT
10
XC-IN
X401
32.768kHz
A
bbreviation
E4
: African
model
C
(Page 19)
B
(Page 17)
D
(Page 19)
E
(Page 19)
F
(Page 19)
G
(Page 20)
7
5