-6-
IC Block Diagrams
IC001 < Audio AMP.> LA42102-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=
30kΩ
Ri=
30kΩ
Vcc / ground shorting protection circuit
Load shorting protection circuit
Thermal protection circuit
IC501 < Vertical Output > LA78045
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
IC3701 < Audio Control > LV1116NV-TLM-E
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 GND
SM_21-BA3V(AC6-B)Aus 10/17/06 8:37 AM Page 6