Block Diagram - Amp Section - Sony MHC-GNX60 Service Manual

HCD-GNX60/GNX70/GX9900
7-5. BLOCK DIAGRAM – AMP SECTION –
MAIN
SECTION
(Page 29)
HCD-GNX60/GNX70/GX9900
F-L 18
H
F-R 14
Q604, 606, 610
STK MUTE
CT
4
OUT
3
78 70
MAIN
DBFB F/B
SECTION
G
(Page 29)
IC600
POWER AMP
D624
11
10
+ +
8
9
12
OVER LOAD
DETECT
MUTING
TH629 Q668, 618
THERMAL
DETECT
Q628, 630
VP
DC DET 2
D550
OCP
OVER
1
LOAD
IC550
OVER CURRENT
PROTECTOR
TH630
THERMAL
DETECT
Q629
52
SYSTEM CONTROLLER
IC401 (4/5)
30 30
+
RY646
MUTING RELAY DRIVE
Q640, 641 Q644, 647
MUTING
CONTROL
Q634,682
RELAY DRIVE
Q648
Q666
FAN DET
FAN-ON
FAN-K
Q580,581,584
HP-MUTE
Q583
Q506
E2, E3, E51
61 77 75 36 76 100
J1103
PHONES
TM600
+
L
-
FRONT SPEAKER
+
R
-
GNX70/GX9900
TM601
+
L
-
SURR SPEAKER
+
R
-
RY665
FAN MOTOR
M891
M
DRIVE
DC FAN
DISPLAY
FAN-CTL
I
SECTION
(Page 31)
VL(AC)
DISPLAY
J
SECTION
(Page 31)
• SIGNAL PATH
: FM