Sony HCD-GTR77 - 6-2. BLOCK DIAGRAM - MAIN Section -

HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
1616
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
61 ST-TUNED
43 ST-L
56 ST-R
45 TAPE L
54 TAPE R
36 REC BL
7 REC BR
21
DATA
22
CLK
42
30
AUX-L
46 MIC
29 VOLINLTONEOUTL 26OUTL
44 CD-L
67 ST-DOUT
66 ST-CLK
63 ST-CE
R2A15216FP-DATA
60
TC REC MUTE
41
TP STATE
70
9
SA2
POWER ILLUMINATOR
71
VACS IN
89
R2A15216FP-CLK
59
HP/MIC DET
66
23SWOUT
28BB1L
37RECAL
BAND-PASS
FILTER
Q115
27
19
17
18
BB2L
BASS AGC
Q128
BASS AGC
Q178
D630
INPUT SELECTOR,
ELECTRICAL VOLUME
IC407
SYSTEM CONTROLLER
IC401 (2/4)
: AUDIO
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
J700
MIC
RV700
MIC LEVEL
IC700 MIC AMP
65 ST-DIN
R
L
J120
PC IN
L-OUT
REC-L
HP DET
OUT
SW OUT
BASS AGC
: MIC
: TAPE (PLAY)
: TAPE (REC)
R-CH
1375
R-CH
Q682
75
57
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
A
(Page 15)
13X-OUT
15X-IN
X402
8MHz
11XC-OUT
10XC-IN
X401
32.768kHz
Abbreviation
E4 : African model
J
(Page 17)
B
(Page 15)
D
(Page 17)
E
(Page 17)
F
(Page 17)