HCD-NXM4D
35
35
HCD-NXM4D
7-6. BLOCK DIAGRAM – AMP SECTION –
• R-ch is omitted due to same as L-ch.
• Signal path
F
: AUDIO
STK
MUTE
SWITCH
FL
FR
SW
DBFB FEED BACK
CN501
R-CH
STK MUTE
FRONT RELAY
HP SW
FAN CTL
PROTECT
SW RELAY
CN508
FAN
-VH
SUPP
TEMP
DETECT
MUTE
SWITCH
-VH
D501
Q507,508
D507
Q854
RELAY
DRIVE
Q509
R-CH
R-CH
R-CH
R-CH
L
Q854
IC850
OVER CURRENT PROTECTER
IC601
SURROUND AMP
IC501
POWER AMP
Q850-852
Q501,502
Q503
Q858-861
MUTE
CONTROL
Q868,869,890
Q505
TM502
+VH
OVER
LOAD
DETECT
SPEAKER
PROTECT
RELAY
DRIVE
RELAY
DRIVE
Q510
R
L
R
PHONES
SUB WOOFER
FRONT
SURROUND
CENTER
J1063
Q506
OVER
LOAD
DETECT
FAN
MOTOR
DRIVE
FAN
Q603
Q601
Q610
SL SP
C SP
PROTECT
OVER DC
DETECT
OVER DC CURRENT DETECT
PROTECT
SWITCH
RELAY
DRIVE
SPEAKER
OUT
CN601
PROTECT
SWITCH
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