Sanyo CP21FS2, Service Manual

Page: 6 / 37

IC Block Diagrams
-6-
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-DA
TA
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
IC3701 < AUDIO Control > LV1116NV-TLM-E
IC001 < Audio AMP.> TDA8947J/N1
1
4
14
17
OUT1+
OUT2-
OUT3-
OUT4+
16 3
VCC1 VCC2
6
8
12
13
10
11
7
9
IN1+
IN2+
IN3+
IN4+
MODE1
5
MODE2
SVR
STANDBY ALL
MUTE ALL
ON 1+2
2 15
GND1 GND2
SHORT CIRCUIT
AND
TEMPERATURE
PROTECTION
TDA8947J
SGND
Vref
0.5Vcc
Vcc
MUTE 3+4
ON 3+4
60 k Ω
60 k Ω
60 k Ω
60 k Ω
CIV
+ +
+
+
+ +
-
-
IC501 < Vertical Output >LA78041
Thermal
Protection
-
+
AMP
Pump
Up
1
INVER
TING
INPUT
2
Vcc
3
PUMP
UP
OUT
4
GND
5
V
e
r.
OUTPUT
6
OUTPUT ST
AGE Vcc
7
NON INV
.
INPUT
SM_21-C8YY(FC6-A)AUS-Slim 8/24/06 9:16 AM Page 6