23
5
6
7
8
F
E
D
C
B
A
5
6
7
8
GM-X972/XR/UC
7.2 IC
*TDA7293V
MUTE
STBY
THERMAL
SHUTDOWN
S/C
PROTECTION
2
3
4
10
9
1
8
15
5
6
12
14
13
11
7
1
3
4
7
9
11
13
15
2
5
6
8
10
12
14
ST
AND-BY GND
INVER
TING INPUT
NON INVER
TING INPUT
SIGNAL GND
CLIP AND SHOR
T CIRCUIT DETECTOR
BOOTSTRAP
+Vs (SIGNAL)
-Vs (SIGNAL)
ST
AND-BY
MUTE
BUFFER DRIVER
BOOTSTRAP LOADER
+Vs (POWER)
OUT
-Vs (POWER)
IC's marked by * are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
Summary of Contents for gm-x972
Page 4: ...4 1 2 3 4 1 2 3 4 F E D C B A GM X972 XR UC 2 EXPLODED VIEWS AND PARTS LIST 2 1 PACKING ...
Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A GM X972 XR UC 2 2 EXTERIOR ...
Page 11: ...11 5 6 7 8 F E D C B A 5 6 7 8 GM X972 XR UC 3 4 75µH 75µH EW ES ONLY BFC A a A b A a ...
Page 12: ...12 1 2 3 4 1 2 3 4 F E D C B A GM X972 XR UC 1 3 2 AMPLIFIER GAIN 11 5 41 8dB A a A b A b ...
Page 16: ...16 1 2 3 4 1 2 3 4 F E D C B A GM X972 XR UC A A AMP UNIT 1 1 1 A ...
Page 17: ...17 5 6 7 8 F E D C B A 5 6 7 8 GM X972 XR UC A SIDE B L 1 A ...
