Sony HCD-NXM2D - Block Diagram - Amp Section

HCD-NXM2D
3535
HCD-NXM2D
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
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
L
Q854
IC850
OVER CURRENT PROTECTER
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
PHONES
SUB WOOFER
FRONT
J1063
Q506
OVER
LOAD
DETECT
FAN
MOTOR
DRIVE
FAN
E
F
TUNER/TAPE DECK
SECTION
(Page 33)
TUNER/TAPE DECK
SECTION
(Page 33)
SPEAKER
OUT