Sanyo CP21EF1 - IC Block Diagrams

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IC Block Diagrams
IC001 < Audio AMP.> LA42072-E
2
3
6
4
1
5
7
12
11
10
8
9
Output amplifier
Output amplifier
Input amplifier
Input amplifier
Standby
VCC
+OUT1
-OUT1
PWR
GND
+OUT2
-OUT2
Ripple
Filter
IN1
PRE
GND
MUTE
IN2
Ri=
20kΩ
Ri=
20kΩ
Vcc / ground shorting protection circuit
Load shorting protection circuit
Thermal protection circuit
IC501 < Vertical Output > LA78040/LA78040N
Thermal
Protection
-
+
AMP
Pump
Up
1
INVERTING INPUT
2
Vcc
3
PUMP UP OUT
4
GND
5
Ver. OUTPUT
6
OUTPUT STAGE Vcc
7
NON INV. INPUT
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
36
35
34
33
32 31
30
29
28
27
26
25
24
23
22
21 20
19
CONTROL
DATA
CONTROL
TONE CONT
Matrix
TOTAL
Bypass
SURROUND
MUTE
ANALOG
SURROUND
(AViSS)
SURROUND
Bypass
TOTAL
Matrix
MUTE
Bypass
DC
Pseud
Stereo
MONO-SW
P-Stereo
P-Stereo
Bypass
DC
TONE CONT
GND
INPUT-A(R)
INPUT-B(R)
INPUT-C(R)
LINE-OUT(R)
DC CUT(R)
ST-1 ST-2
TREBLE(R)
BASS-1(R)
BASS-2(R)
OUT(R)
EVR-IN(R)
EVR-OUT(R)
L+R OUT
VREF
VCC VDD
12C-DATA 12C-CLK VSS
L+R LPF
EVR-OUT(L) EVR-IN(L) OUT(L) BASS-2(L) BASS-1(L) TREBLE(L) AviSS HPF ST-2 DC CUT(L) LINE OUT(L) INPUT-C(L) INPUT-B(L) INPUT-A(L) ANALOG GN
D
IC3701 < Audio Control> QLV1116NV-EP
SM_21-BA5V(AC6-A)AUS 7/25/06 9:24 AM Page 6