12
3. Medium frequency chip U5 TDA9885/TDA9886
TDA9885 and TDA9886 are PHILIPS’ medium frequency processing ICs, both of which support
PAL and NTSC, and TDA9886 is added with the function of supporting SECAM. See details as
follows:
1) Optional video medium frequency of bus control (33.4M, 33.9M, 38M, 38.9M, 45.75M,
58.75M);
2) Read out 4 BIT AFC data through the bus and realize an accurate AFC control;
3) The TOP point in AGC is carried out by the bus;
4) Four optional addresses
5) PLL medium frequency modulator (with external 4M crystal)
Pin
1
2
3
4
5
6
7
8
Meaning VIF1
VIF2
OUT1
FMPLL
DEEM
AFD
D-GND AUD
OUT
Name
Differential
Input1
Differential
Input2
Control Frequency
phase-lock
loop filter
Demodulation
output
stabilized
voltage
capacitor
Audio
Frequency
input
decoupling
Earth
Audio
frequency
output
voltage
Summary of Contents for RL-32B02
Page 9: ...9 II Signal Processing Section MST analog 3 3 Boosting MST digital 3 3...
Page 23: ...23...
Page 24: ...24 IV Debugging of Chassis...
Page 31: ...31 Select the option of System in the Control Pane window...
Page 32: ...32 Click the System icon and the following window will pop up Select Hardware option...
Page 33: ...33 Click the Equipment Management button and the following window will pop up...
Page 34: ...34 Select Port COM and LPT1 Select ECP Printer Port LPT1...
Page 35: ...35 Click the ECP Printer Port LPT1 and the following window will pop up...
