Sony HCD-NXM4D - BLOCK DIAGRAM - AMP SECTION; AMP SECTION BLOCK DIAGRAM

HCD-NXM4D
3535
HCD-NXM4D
7-6. BLOCK DIAGRAM – AMP SECTION –
• R-ch is omitted due to same as L-ch.
• Signal path
F : AUDIO
18
19
STK
MUTE
SWITCH
8 9
FL
FR
SW
DBFB FEED BACK
CN501
R-CH
STK MUTE
FRONT RELAY
HP SW
FAN CTL
PROTECT
SW RELAY
CN508
FAN
3
2
1
4
10
11
22
21
-VH
SUPP
TEMP
DETECT
MUTE
SWITCH
-VH
D501
Q507,508
D507
Q854
RELAY
DRIVE
Q509
R-CH
R-CH
SL IN
SR IN
C IN
RELAY
R-CH
R-CH
L
Q854
IC850
OVER CURRENT PROTECTER
IC601
SURROUND AMP
IC501
POWER AMP
Q850-852
Q501,502Q503
Q858-861
MUTE
CONTROL
OCP
OUT
VP
CT
Q868,869,890
Q505
-PRE +PRE
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
E
F
TUNER/TAPE
DECK
SECTION
(Page 33)
TUNER/TAPE
DECK
SECTION
(Page 33)
O
MAIN
SECTION
(Page 34)
3
15
8
13
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
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