Sony HCD-GTR7 - Block Diagram - Amp;Subwoofer Section

2626
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
5-5. BLOCK DIAGRAM — AMP/SUBWOOFER SECTION —
IC1301: GTR7/8/8B
IC1300: GTR6/6B
MUTING
Q1312
-1314
FR-IN
DBFB F/B
FL-IN
31
STK MUTE
1216
OVERLOAD
DETECT
Q1303,1308
+ +
33 77
LINK RELAY
97
EEPROM_DATA
95
5 6
EEPROM_CLOCK
HP DET
AC-CUT
Q1301
FRONT REPLAY
Q1302
+VL
-VL
IN2
ST BY
+RE1
-RE1
+RE2
-RE2
+VCC
-VCC
+
-
-
+
FRONT SPEAKER
SUB WOOFER
OUT
L
R
HEADPHONE
J1005
RY1301
RY862
+
-
-
+
L
R
FAN
DRIVE
Q031-Q034
DRIVE
TH1301
THERMAL
DETECT
Q1309,Q1310
67
THERMAL VACS
TB801
JK1301
D104
18
11
10
22
9
14
8
SIGNAL PATH
POWER AMP
32
PROTECTOR
50
FR RELAY
56
FAN ON
G
MAIN
TH1300
11
4
5
6
7
3
2
13
SUBWOOFER POWER AMP
IC800
SYSTEM CONTROL
IC500 (5/6)
PROTECTOR
Q1305,Q1307
DC DETECT
Q1304,Q1306
OVERLOAD
DETECT
Q850
Q788
RELAY
DRIVE
Q789
OVERLOAD
DETECT
Q800
RY1300
EXCEPT MX
GTR7/8/8B
HI SPEED
SWITCH
Q035
PROTECTOR
SWITCH
Q532
+
-
-
+
SURROUND SPEAKER
L
R
JK1300
RELAY DRIVE
Q1300
45
SW-RELAY
R-CH is omitted due to same as L-CH.
EEPROM
IC675
FAN DETACT
Q030
GTR8 / GTR8B
SUB WOOFER
OUT
+
-
TB802
GTR7
GTR7/8/8B
GTR7/8
GTR7/8
UNREG
+VH
STANDBY
Q1315,
Q1316
: AUDIO
IN1
SW-R IN
SW-L IN
AC DETACT
15
M891
DC FAN
DC FAN
M892
21
AC CUT
DETECT
FAN
DRIVE
Q821,824,825
Q036,038,039
M893
DC FAN
FAN
F
MAIN
I
MAIN
SECTION
SECTION
SECTION
(Page 25)
(Page 25)
(Page 25)
H
DISPLAY/POWER
SECTION
(Page 27)