Read Sony HCD-GNX660 / MHC-GNX660 Service Manual online
HCD-GNX660
28
28
HCD-GNX660
7-3. BLOCK DIAGRAM – MAIN SECTION –
AMP
SECTION
(Page 29)
(Page 29)
B
TAPE/TUNER
SECTION
(Page 27)
D
(Page 26)
A
CDG SECTION
MCU
INTERFACE
SURROUND
INPUT
SELECT
SWITCH
COMMAND
+
+
RV1402
IC1401
MIC AMP
IC101(2/2)
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC401(3/5)
SYSTEM CONTROL
DATA
CLK
REC-OUT-L
CD-L
J1400(1/3)
J1450(2/3)
59
34
35
5
J501
R-CH
R-CH
+
R-CH
R-CH
FRONT-L
R-CH
L
R
AUDIO
IN
MIC 1
ECHO
LEVEL
RV1400
MIC 1
LEVEL
RV1401
MIC 2
LEVEL
14
23
24
28
30
31
29
MIC
3
MIC OUT
IC1400
DIGTAL ECHO
MC1P
MC2P
VACS IN
88
J1450(1/3)
J1400(2/3)
J1450(3/3)
J1400(3/3)
MIC 2
15
16
+
+
+
PRE
LPF
POST
LPF
ADPCM
ENCODE
ADPCM
DECODE
ADC
DAC
S/H
DELAY
25
29
23
5
6
7
DA OUT
POOUT
AD IN
ALC
ALC
MIC VOL
ECHO
VOL
MIC
VOL
VOL
VOLUME
CONTROL
VOL1
VOL2
VOL3
M61537-CLK
84
M61537-DATA
83
3
7
FRONT-R
37
SW
TONE
L + R
53
J506
D-LIGHT
SYNC OUT
L+R
D+4V
2
3
1
(Page 27)
E
TAPE/TUNER SECTION
ST-L
1
C
(Page 27)
TAPE/TUNER SECTION
TC-PB-L
4
: TUNER (FM/AM)
: CD
: TAPE PLAY
: RECORD
: MIC
: AUDIO
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
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