Sanyo C29LF34 Service Manual page 10

IC Block Diagrams
IC3401 < MTS Decoder, Audio Control & Switch> UPC1851BCU C3401 TS Decoder, Audi Control & Switch> UP
Power Supply
L-channel Capacity of
High Frequency
Band Width
L-channel Capacity of
Low Frequency
Band Width
R-channel Fixed Output
L-channel Fixed Output
External L-channel Input 2
External L-channel Input 1
External R-channel Input 2
External R-channel Input 1
External L-channel Input 3
External R-channel Input 3
Monaural Offset Absorption
Reference Voltage
Pilot Detector 2
0.1μF
Pilot Detector 1
Phase
Detector 2
Phase
Detector 1
SDA
SCL
I
2
GND( C bus)
Volume Control Block
L-channel Offset
Absorption
Tone Control Block
CU
Surround
Block
VCA Offset Absorption
W Wide-band Timing Setting d de-b band
Wide-band RMS Setting
Spectral Timing Setting
Spectral RMS Setting
Variable Emphasis Input
Offset Absorption
Timing Current Setting
-10-
Analog Ground
2.2μF
R-channel Offset
Absorption
0.022μF
R-channel Capacity of
High Frequency Band Width
R-channel Capacity of
Low Frequency
0.1μF
Band Width
2200pF
Surround Timing Setting
4.7μF
Variable Emphasis
Offset Absorption
1 10 μF μF
m ng S tin g
1 μF
3.3 μF
1 μF
SAP Signal Input
SAP Signal Output
1 μF
1 μF