Block Diagram - Main Section (2/2) - Sony HCD-GRX9000 Service Manual

7-5. BLOCK DIAGRAM – MAIN Section (2/2) –
• SIGNAL PATH
: TUNER (FM/AM)
L-CH 1
POWER AMP
F
(Page 28)
17
POWER AMP
FEED BACK
G
(Page 28)
1
POWER AMP
R-CH
17
POWER AMP
STK-MUTE
H
(Page 28)
05
10
IC801 (1/2)
13
IC801 (2/2)
6
D141 OVER LOAD
+
DETECT
Q801, 851
D811
10
IC821 (1/2)
13
IC821 (2/2)
6
OVER LOAD
DETECT
Q821, 871
THP891
STANDBY
SWITCH
TEMPERATURE
Q575
DETECT SWITCH
Q891, 892
D831
DC DETECT
SWITCH
Q433, 434
DETECT SWITCH
– 29 –
-1
L-CH (+)
-1
L-CH (–)
-2
R-CH (+)
-2
R-CH (–)
RY401 RY402
RELAY DRIVE
Q431
OVER LOAD
PROTECTOR
Q435, 436
Q432, 437
RELAY
I (Page 28)
J421
PHONES
+
L
–
TM401
SPEAKER
IMPEDANCE
USE 8 – 16Ω
+
R
–
FAN MOTOR
M
DRIVE
Q401, 402
M401
(FAN)
– 30 –
HCD-GRX9000/RX900