Block Diagram - Amp Section - Sony HCD-GN1100D Service Manual

7-5. BLOCK DIAGRAM – AMP SECTION –
F-L
F-R
MAIN
H
SECTION
(Page 30)
SW OUT
SL
SR
CENTER
LINEMUTE
HCD-GN1100D
IC600
POWER AMP
18 11
10
14 8
9
12
MUTING
TH629
Q604, 606, 610
THERMAL
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
13
Q812
14 6
7
11 4
5
MUTE
Q810
IC801
POWER AMP
18 11
10
MUTE
Q750
14 8
9
MUTE
Q700
19 21
22
MUTE
Q740
60 67
IC401 (5/6)
SYSTEM CONTROLLER
MAIN DBFB F/B
I
SECTION
(Page 30)
D624
+ +
OVER LOAD
DETECT
Q668, 618
MUTING
Q640, 641
DETECT
MUTING
CONTROL
Q634,682
D550
HP-MUTE
D812
OVER LOAD
DETECT
Q730, 770. 780, 800, 850
+
RELAY DRIVE
Q814, 815
RY862
+
RELAY DRIVE
Q763
RY760
RELAY DRIVE
Q762
RY761
51 61 65
31 31
+
RY646
RELAY DRIVE
Q644, 647
Q648
FAN MOTOR
DRIVE
Q587 - 589
FAN DET
FAN CONTROL
FAN CONTROL
FAN MOTOR
SWITCH
DRIVE
Q578
HI SPEED Q579, 585
HI SPEED
SWITCH
Q581, 582
VL(AC)
-
+
TM700
+
-
+
-
+
-
TM701
42 58 72 66 84
• SIGNAL PATH
HCD-GN1100D
J1103
PHONES
TM600
+
L
-
FRONT SPEAKER
+
R
-
M892
M
DC FAN
M M891
DC FAN
DISPLAY/POWER
K
SECTION
(Page 32)
TM101
SUB WOOFER
OUT
L
REAR
SPEAKER
R
CENTER
SPEAKER
: AUDIO