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HCD-GTX66/GTX77
HCD-GTX66/GTX77
6-3. BLOCK DIAGRAM — MAIN SECTION —
J101
RCH
L
CD LCH
CD RCH
R
AUDIO
IN
CD RCH
RCH
MIXER
IC1500
MULTIPLEXER
IC1503
DIGITAL DELAY
IC1501
SIGNAL SELECTER
IC564
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC101
SIGNAL SELECTER
IC563
MIC AMP
IC1100
(1/2)
MIC AMP
IC1100
(2/2)
RV1150
MIC
LEVEL
A+9V
L+R
SPEANA
J1100 (2/2)
RCH
L
R
VIDEO
IN
MIXER
IC1505
BUFFER
Q1513
MUTE
Q250
CD MUTE
Q540
DBFB
SWITCH
Q101
SELECT
SWITCH
Q596
SELECT
SWITCH
Q597
BUFFER
Q1509
EFFECTOR
SELECT
SWITCH
Q598
ST L
TC PB L
REC OUT L
DBFB F/B
SWITCH
Q608
SWITCH
Q591
F–L
MUTE
Q180
D+4V REG
Q325
LINE MUTE
Q544
D101,102
J103
D-LIGHT
SYNC OUT
J1100
(1/2)
MIC
Q1500
Q1508
Q1506
Q1502
RCH
: AUDIO
: CD PLAY
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: MIC
: TUNER
• Signal Path
• R-CH is omitted due to same as L-CH.
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T E L
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9
9
2
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9
4
2
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5
1
5
1
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6
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299