Block Diagram - Amp Section - Sony hcd-gn1000d Service Manual

Q Q
7-5. BLOCK DIAGRAM – AMP SECTION –
3 7 6 3 1 5 1 5 0
F-L
F-R
STK MUTE
MAIN
H
T E
L 1 3 9 4 2 2 9 6 5 1 3
SECTION
(Page 30)
SW MUTE
Q812
SW OUT
MUTE
Q810
SL
SR
CENTER
LINEMUTE
w w w
60
HCD-GN1000D
MAIN
SECTION
(Page 30)
IC600
POWER AMP
18 11
10
+
14 8
9
12
MUTING
TH629
Q604, 606, 610
THERMAL
DETECT
Q628, 630
CT VP
4 DC DET 2
OUT
OVER OCP
3 1
LOAD
IC550
OVER CURRENT
PROTECTOR
IC800
POWER AMP
13
14 6
7
+
11 4
5
IC702
POWER AMP
18 11
10
MUTE +
Q750
14 8
9
MUTE
Q700
19 21
22
MUTE
Q740
67
x a o
y
IC401 (5/6)
. i
SYSTEM CONTROLLER
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DBFB F/B
I
D624
+
RY646
OVER LOAD
DETECT
Q668, 618
MUTING
Q640, 641
RELAY DRIVE
Q644, 647
MUTING
CONTROL
Q634,682
D550
HP-MUTE
FAN CONTROL
SWITCH
Q578
D812 Q Q
3 7 6
OVER LOAD
DETECT
Q730, 770. 780
RELAY DRIVE
Q814, 815
RY862
RELAY DRIVE
Q763
RY760
RELAY DRIVE
Q762
RY761
51 61 65 42
u 1 6 3
31 31
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2 4
8 9 9
TM600
+
L
+ -
FRONT SPEAKER
+
R
-
Q648
FAN MOTOR
M892
M
DRIVE
DC FAN
Q587 - 589
FAN DET
FAN MOTOR
FAN CONTROL
DRIVE M891
M
DC FAN
Q578-582,
HI SPEED
HI SPEED
585
SWITCH
Q581
3 1 5 1 5 0 8 9 2
VL(AC)
DISPLAY/POWER
K
-
TM101
SUB WOOFER
OUT
+
TM700
+
L
-
REAR
SPEAKER
+
R
-
+
CENTER
SPEAKER
-
TM701
m
58 72 66 84
c o
.
• SIGNAL PATH
: AUDIO
HCD-GN1000D
2
8 9 9
J1103
PHONES
4 9 8 2 9 9
SECTION
(Page 32)