Ic Block Diagrams - Sanyo CP21XS2 Service Manual

IC Block Diagrams

IC001 < Audio AMP.> LA42102-E
Standby
5
Input amplifier
2
IN1
Ri=
30kΩ
PRE
3
GND
MUTE
6
IN2 4
Ri=
30kΩ
Input amplifier
Ripple
IC3701 < Audio Control > LV1116NV-TLM-E
36 35 34 33
1
2 3
VCC
7
12
Output amplifier
11
Vcc / ground shorting protection circuit
10
Load shorting protection circuit
Thermal protection circuit
8
Output amplifier
9
1
Filter
29 28
32 31 30
TONE CONT
DC
Bypass
ANALOG
Pseud
SURROUND
Stereo
(AViSS)
Bypass
DC
TONE CONT
4 6 7 9
5 8
+OUT1
-OUT1
PWR
GND
+OUT2
-OUT2
27 26 25 24 23
Matrix
TOTAL
Bypass
MUTE
SURROUND
SURROUND
Bypass
TOTAL
Matrix
MUTE
10 11 12 13 14
-6-
IC501 < Vertical Output > LA78045
-
AMP
+
Pump
Up
1 3
2 4
22
21 20 19
DATA
CONTROL
CONTROL
15 16 18
17
Thermal
Protection
5 6 7