Block Diagram - Main Section - Sony HCD-GNX660 Servise Manual

HCD-GNX660
Q Q
3 7 6 3 1 5 1 5 0
7-3. BLOCK DIAGRAM – MAIN SECTION –
ALC MIC VOL
J1450(1/3)
MC1P
+
15
MIC 2
ALC
MIC
J1400(1/3)
MC2P VOL
16
MIC 1
J1400(2/3)
J1450(2/3)
J501
L T E
L 1 3 9 4 2 2 9 6 5 1 3
AUDIO
IN
R
R-CH
CD-L
A
CDG SECTION
(Page 26)
TC-PB-L
C
TAPE/TUNER SECTION
(Page 27)
ST-L
E
TAPE/TUNER SECTION
(Page 27)
w w w
HCD-GNX660
IC1400
DIGTAL ECHO
AD IN
23
+ PRE ADPCM ADPCM
ADC DELAY DAC S/H
LPF ENCODE DECODE
VOLUME
CONTROL
5 6 7
RV1401 RV1402
MIC 2
ECHO
LEVEL LEVEL
RV1400
MIC 1
LEVEL
59
5
R-CH
INPUT
+
4 SELECT
SWITCH
1
3
R-CH
MCU
COMMAND
INTERFACE
35 34
83 84
x a o
y
. i
IC401(3/5)
SYSTEM CONTROL
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DA OUT
25
IC1401
ECHO
MIC AMP
VOL
POOUT
POST +
29 3 7
LPF
14
IC101(2/2)
INPUT SELECT SWITCH,
Q Q
GRAPHIC EQUALIZER CONTROL,
3 7 6
ELECTRICAL VOLUME
TONE
+
SURROUND
53
J506
L+R
3
D-LIGHT
D+4V 2
SYNC OUT
1
88
u 1 6 3
28 28
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8 9 2 4 9
MIC OUT
J1400(3/3)
J1450(3/3)
REC-OUT-L
3 1 5 1 5 0 8 9
23 24 28
+
31
30
R-CH
29
R-CH 37
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
m
: AUDIO
c o : TUNER (FM/AM)
: CD
.
: TAPE PLAY
: RECORD
: MIC
8 2 9 9
TAPE/TUNER
D
SECTION
(Page 27)
2 4 9 8 2 9 9
FRONT-L
AMP
B
SECTION
SW (Page 29)
FRONT-R