Sanyo C21LB25S User Manual

IC Block Diagrams
-7-
7
12
8
9
10
11
15
18 14
13 17 16 20
Noise BPF
Noise
Detector
I
2
C Bus
Interface
SAP Demodulation Block
Composite Signal Input
2.2µF
0.1µF
0.047µF
SAP Signal Detector
SAP Offset Absorption
0.47µF
0.1 µF
68KΩ
5.1 KΩ
16.6 KΩ
Noise Detector
+
+
+
23
22
24 46 3
5
4.7µF
1µF
0.1µF
+
1KΩ
2
22µF
+
1/2Vcc
42
1µF
+
34
35
38
36
39
37
41
40
Filter Control
Stereo
Demodulation
Block
fH
LPF
fH
Trap
Switch
75
µS
De-emphasis
Offset
Absorption
dbx Noise
Reduction
Block
Matrix
Selector
Block
Surround
Block
Tone Control Block
Volume Control Block
33
32
31
26
25
21
28
29
302719
1
2.2µF
+
0.1µF 2200pF
+
Vcc
+
+
10 µF
10 µF
D/A
2.2µF
+
0.1µF
+
2200pF
0.022µF
4.7µF
+
1 µF
+
10 µF
+
3.3 µF
+
1 µF
+
1 µF
+
3 KΩ
1 µF
+
D/A
Input
Attenuator
I
2
C Bus
Interface
D/A
Filter
Power Supply
Reference Voltage
Pilot Detector 1
Pilot Detector 2
Phase
Detector 1
Phase
Detector 2
SAP Signal Output
SAP Signal Input
Spectral Timing Setting
VCA Offset Absorption
Wide-band Timing Setting
Wide-band RMS Setting
Spectral RMS Setting
Variable Emphasis Input
Offset Absorption
Variable Emphasis
Offset Absorption
Analog Ground
Timing Current Setting
SDA
SCL
GND(
I
2
C bus)
R-channel Output L-channel Output
Surround Timing Setting
R-channel Offset
Absorption
R-channel Capacity of
High Frequency Band Width
R-channel Capacity of
Low Frequency
Band Width
L-channel Offset
Absorption
L-channel Capacity of
High Frequency
Band Width
L-channel Capacity of
Low Frequency
Band Width
External R-channel Input 3
External L-channel Input 3
External R-channel Input 1
External R-channel Input 2
External L-channel Input 1
External L-channel Input 2
L-channel Fixed Output
Monaural Offset Absorption
R-channel Fixed Output
IC3401 < MTS Decoder, Audio Control & Switch> UPC1851BCU

Sanyo C21LB25S Specifications

General

Screen Size	21 inches
Display Technology	CRT
Display Type	Color
Aspect Ratio	4:3
Sound Output	Mono
Input Ports	RF, Composite