Sanyo AVM-2550S Training Manual page 28

IC101
SIGNAL PROCESSOR
TV
ANT
BUS
A101
Interface
10
TUNER
11
VIDEO
DET.
Q162 45
1ST
VIDEO 47
1
EXT V IN
INT V FOR PIP
K1002
V2 IN
K1001
V1 IN
Y
K1051
S1 IN
C
K1011
R
FIXED AUDIO OUT (R)
K1021
L
FIXED AUDIO OUT (L)
R
IC001
AUDIO AMP.
L
SP901
(R) 3 8
SPEAKER (R)
SP902
10
(L) 1
SPEAKER (L)
5
44
43
Q8065
BUFFER
Y
38
C
40
INPUT
42
FILTER
Q202 Q306
BUFFER BUFFER Q307
BUFFER
IC1001
S1/V1/V2
SWITCH
IC3401
MTS PROCESSOR
SDA
38
5
IC1002
SCL
6
39
COMPO.
TV COMP.
13
AUDIO (L)
SWITCH
3
34 AV1 AUDIO(L)
4
37 AV2 AUDIO(L)
33 AV1 AUDIO(R)
36
AV2 AUDIO(R)
IC1081
S1/V1/V2
Q001
SWITCH
MOMENTARY
MUTE ON/OFF
TV/AV Switching Circuit
IC801
CPU
32 BUS SDA
34 BUS SCL
38
MUTE
8 TV/AV
12
S1-SW
MAIN AV1/AV2 5
PIP TV/AV 7
PIP AV1/AV2 6
MAIN S SELECT 4
R1027
R1007
+9V
V2
16 15 14 13 12 11 10 9
H L
H L H L
1 2 3 4 5 6 7 8
V1
Y1
C1 C1
+9V
R1042
R1041
16 15 14 13 12 11 10 9
H L
PIP
VIDEO
H L H L
1 2 3 4 5 6 7 8
C
+9V
R1082
R1081
16 15 14 13 12 11 10 9
H L
MAIN
H L H L
1 2 3 4 5 6 7 8
C1
Y
EXT.V
– 25 –
PIP SIGNAL PROCESSOR
Q8097
BUFFER SCL
25
BUS
Q8093
Interface
BUFFER SDA
24
Q8090
BUFFER ACK
23
Q8076
Q8073
PIP
BUFF. BUFFER
CVBS IN
INPUT
13
YC SEP
FILTER
Q1071
BUFFER
MAIN Y
49
MAIN C
51
Y OUT
47
PIP
SWITCH
C OUT
45
Q1093,
C
Q1094,
YC MIX
Q1096
Y
Q332
BUFFER
15 IC301
COMB
FILTER
13
Q342
BUFFER
BAND PASS
FILTER
Q341
Q343 BUFFER
BAND
PASS
Q216
SW
INVERT.
Y(COMB)
C(COMB)
IC8001
PIP
PROCESSOR
4
LPF