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HCD-CP555/NXM1
25
25
HCD-CP555/NXM1
7-5. BLOCK DIAGRAM – FRONT AMP SECTION –
STK
MUTE
SWITCH
8
9
FRONT-L
FRONT-R
CN501
R-CH
STK MUTE
FRONT RELAY
HPSW
FANCTRL
PROTECT
CN508
FAN
-VH
SUPP
TEMP
DETECT
MUTE
SWITCH
-VH
D501
Q507,508
D507
Q854
RELAY
DRIVE
Q509
R-CH
R-CH
L
Q854
IC850
OVER CURRENT PROTECTER
IC502
POWER AMP
Q850-852
Q501,502
Q503
Q858-861
MUTE
CONTROL
Q868,869,890
Q505
TM501
+VH
OVER
LOAD
DETECT
SPEAKER
PROTECT
RELAY
DRIVE
R
SPEAKER
OUT
PHONES
J1063
FAN
MOTOR
DRIVE
• R-ch is omitted due to same as L-ch.
• Signal path
F
: AUDIO
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