Block Diagram - Amp Section - Sony HCD-GNX80 Service Manual

HCD-GNX80
7-5. BLOCK DIAGRAM – AMP SECTION –
F-L
F-R
MAIN
H
SECTION
(Page 29)
SW OUT
LINE-MUTE
78
HCD-GNX80
IC600
POWER AMP
18 11
10
+
14 8
9
12
MUTING
TH629
Q604, 606, 610
THERMAL
DETECT
Q628, 630
STK MUTE
CT VP
4 DC DET 2
OUT OCP
OVER
3 1
LOAD
IC550
OVER CURRENT
PROTECTOR
IC800
POWER AMP
SW MUTE
14
Q812
14 6
7
+
11 4
5
MUTE
Q810
TH630
THERMAL
DETECT
Q629
70
SYSTEM CONTROLLER
IC401 (4/5)
MAIN
DBFB F/B
SECTION G
(Page 29)
D624
+
OVER LOAD
DETECT
Q668, 618
MUTING RELAY DRIVE
Q640, 641 Q644, 647
MUTING
CONTROL
Q634,682
D550
HP-MUTE
D812
OVER LOAD
DETECT
Q800, 850
RELAY DRIVE
Q814, 815
RY862
68
52
30 30
J1103
PHONES
TM600
+
L
+ -
FRONT SPEAKER
+
R
RY646 -
PROTECT
SWITCH
TM601
Q666
+
L
-
SURR SPEAKER
+
R
PROTECT
-
SWITCH
Q385
Q648
FAN DET
FAN MOTOR
FAN-ON M
DRIVE
FAN-K
Q580,581,584
Q583
FAN-CTL
I
(Page 31)
VL(AC)
J
TM101
-
SUB WOOFER
OUT
+
Q506
E2, E3, E51
61 77 75 36 76 100
• SIGNAL PATH
: FM
M891
DC FAN
DISPLAY
SECTION
DISPLAY
SECTION
(Page 31)