Block Diagram - Main Section - Sony HCD-GT444 Service Manual

HCD-GT111/GT222/GT444/GT555
Q Q
3 7 6 3 1 5 1 5 0
7-2.

BLOCK DIAGRAM - MAIN Section -

J700
MIC
(Page 25) C
HP IN
(Page 23)
A
CD-L
TAPE MECHANISM
T E
L 1 3 9 4 2 2 9 6 5 1 3
ANTENNA
TUNER (FM/AM)
FM75Ω
FM ANT
COAXIAL
AM AM ANT
w w w
HCD-GT111/GT222/GT444/GT555
RV700
MIC LEVEL
MIC AMP MIC AMP
IC700 (1/2) IC700 (2/2)
J701
AUDIO INPUT
L
R-CH
R
S501
(REC/PB)
PB
DECK REC
LCH
RCH R-CH
L501
BIAS OSC
EH
REC AMP
OSC
Q501, 502
SW
ST-L
ST-R R-CH
82 71
ST-DOUT 67 ST-DOUT
ST-DIN 65 ST-DIN
ST-CLK 66 ST-CLK
ST-CE 63 ST-CE
TUNED 61 ST-TUNED
RDS-DATA 76 ST-RDS-DATA
RDS-INT 75 ST-RDS-INT
(GT111: AEP/GT222: AEP/GT444: AEP, UK)
x a o
y
. i
http://www.xiaoyu163.com
46 MIC
INPUT SELECTOR,
ELECTRICAL VOLUME
42 AUX-L
TONEOUTL 30
44 CD-L
PB AMP
45 TAPE-L
RECAL 37
IC501
43 ST-L
Q 21 22 Q
3 7 6
IC502
60 59
SYSTEM CONTROLLER
IC401 (2/4)
u 1 6 3
24 24
2 4
8 9 9
IC407
RECBL 36
29 VOLINL OUTL 26
SWOUT 23
BASS AGC
BB1L 28
Q128
BB2L 27
9
3 1 5 1 5 0 8 9
BAND-PASS
D201
FILTER
Q115, 116
89 68
m
c o
.
2
8 9 9
LINE AMP
B
USB_REC-L
IC251
(Page 23)
D
OUT
(Page 25)
(GT444/GT555)
E
SW OUT
(Page 25)
R-CH
D630
BASS AGC F
(Page 25)
2 4 9 8 2 9 9
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
: TAPE PLAY
: TAPE REC
: AUDIO IN
: MIC