30
30
HCD-GNZ55D
HCD-GNZ55D
6-4. BLOCK DIAGRAM — AUDIO SECTION —
SYSTEM CONTROL
IC401(2/4)
DBFB FEED BACK
FRONT L
R-CH
ADC RESET
IC701
IC712
M
M
Q731
IC731
A/D CONVERTER
IC11
CLOSE OPEN
RE701
S751
OPEN/CLOSE
DETECT
DISC TRAY
ADDRESS
DETECT
D/A CONVERTER
IC600
INIT
NSP MUTE
SOFT MUTE
AMP
IC630
UNREG+8V
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
HP AMP
IC880
DC DETECT
Q860,861
FRONT
SPEAKER
PHONES
J1401
L
R
MUTE
Q1400,1401
DC DETECT
Q840
MUTE CONTROL
Q486
D486
TM1500
X1
12.288MHz
X801
49MHz
• Signal path
: AUDIO
: DIGITAL
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299