Sony HCD-GNV99D - Block Diagram - AMP Section

3434
HCD-GNV99D/GNV111D
HCD-GNV99D/GNV111D
7-5. BLOCK DIAGRAM – AMP SECTION –
IC600
POWER AMP
IC702
POWER AMP
CENTER AUDIO
SELECT
IC703
IC550
OVER CURRENT
PROTECTOR
GNV111D
: AUDIO
• Signal Path
MUTING
Q604,606,610
MUTE DRIVE
Q721,720
F-R
DBFB
F/B
F-L
SR
CENTER
GNV111D
GNV99D
JW798
SL
60 78
STK-MUTE
59
CTR SPK SW
70
THERMAL VA S
PROTECTOR
STK-MUTE
14
19
18
4
3
12
STK MUTE
FAN DET
FAN-KICK
FAN-CTRL
OVER LOAD
DETECT
Q618,668
+ +
+
MUTING
Q641, 640
MUTING
CONTROL
Q682,634
F-RELAY
HP-DET
HP-MUTE
FAN-CTRL
84
HP-DE
72
HP-MUTE
58
AC CUT MAIN
66
FR RELAY
42
FAN-CTRL
OVER LOAD
DETECT
Q730,780,770
RELAY DRIVE
Q644,647
H/P DET
F-RELAY
HP-MUTE
+
-
-
+
FRONT SPEAKER
REAR
SPEAKER
CENTER
SPEAKER
L
R
PHONES
J1103
FAN-KICK
RY646
SYSTEM CONTROL
IC401 (5/6)
TM600
MAIN
SECTION
(Page 33)
H
MAIN
SECTION
(Page 33)
M
FAN MOTOR
DRIVE
Q578,585,579
Q581,582
DC FAN
M891
AC CUT DETECT
TH629
TH630
Q629
THERMAL
DETECT
Q628,630
+
+
+
65
CTR-RELAY
61
REAR/SW-RELAY
RY760
RY761
L
R
L+R
LINEMUTE
RELAY DRIVE
Q762
RELAY DRIVE
Q763
I
DISPLAY/POWER
SECTION
(Page 35)
K
8
217
4
2
11
OVER
LOAD
DC DET
VP
OCP
CT
OUT
D550
D624
MUTE
Q750
MUTE
Q700
MUTE
Q740
2
1
D655 D654
Q648
Q722
-VH
18 11
14
8
-
-
-
10
9
TM701
TM700
10
9
22
12
3
D764 D763 D765
D720
Ver 1.1