8
IC VERSION (TDA)
8840
8842
8844
Multi-standard IF
X
X
Automatic Volume Limiting
X
X
PAL Decoder
X
X
X
SECAM Decoder
X
X
NTSC Decoder
X
X
Dynamic Skin Control
X
Colour Matrix PAL/NTSC (Japan)
X
X
Colour Matrix NTSC Japan/USA
YUV interface
X
Base-band delay line
X
X
X
Adjustable luminance delay time
X
Horizontal geometry
X
Horizontal and vertical zoom
X
Vertical scroll
X
PINNING
PIN VALUE
1. Sound IF input
: 1mVrms
2. External audio input
: 500mVrms
3. IF demodulator tuned circuit 1
4. IF demodulator tuned circuit 2
5. IF-PLL loop filter
: Min:32-Max:60 MHz
6. IF video output
: 4.7V (Negative Modulation), 2V (Positive Modulation)
7. Serial clock input
: Low level max:1.5 V, High level min 3.5V
8. Serial data input/output
: Low level max:1.5 V, High level min 3.5V
9. Bandgap decoupling
10. Chrominance input (S-VHS)
: 1Vpp, Max:1.4Vpp
11. External CVBS/Y input
: 1Vpp, Max:1.4Vpp
12. Main supply voltage 1
: 8V, Min:7.2V, Max:8.8V
13. Internal CVBS input
: 1Vpp, Max:1.4Vpp
14. Ground 1
15. Audio output
: 700mVrms, Min:500mVrms, Max:900mVrms
16. SECAM PLL decoupling
17. External CVBS input
: Vpp, Max:1.4Vpp
18. Black-current input
: Amplitude of low reference current
: 8mA
Amplitude of high reference current : 20mA
19. Blue output
: 2Vpp
20. Green output
: 2Vpp
21. Red output
: 2Vpp
22. Beam current limiter input/V-guard input
23. Red input for insertion
: 0.7Vpp, Max:0.8Vpp
24. Green input for insertion
: 0.7Vpp, Max:0.8Vpp
25. Blue input for insertion
: 0.7Vpp, Max:0.8Vpp
26. RGB insertion input
: Max:0.3V
27. Luminance input
: 1.4Vpp
28. Luminance output
: 1.4Vpp
29. (B-Y) signal output
: 1.05Vpp
30. (R-Y) signal output
: 1.05Vpp
31. (B-Y) signal input
: 1.05Vpp
32. (R-Y) signal input
: 1.05Vpp
33. Subcarrier reference output
: 3.58/4.43 MHz
34. 3.58 MHz crystal connection
35. 4.43/3.58 MHz crystal connection
36. Loop filter phase detector
37. 2nd
supply voltage 1
: 8V, Min:7.2V, Max:8.8V
38. CVBS output
: 1Vpp, Max:1.4Vpp
39. Decoupling digital supply
: 1.8V
40. Horizontal output
: Max: 0.3V
41. Flyback input/sandcastle output
: Min:100ma, Max:300mA
42. Phase-2 filter
: 150 ms/ms
43. Phase-1 filter
: ±0.9 kHz, Max: ±1.2 kHz
44. Ground 2
45. East-west drive output
46. Vertical drive A output
: 0.95mA
47. Vertical drive B output
: 0.95mA
48. IF input 1
49. IF input 2
50. EHT/overvoltage protection input
: Min:1.2V, Max : 2.8V
51. Vertical sawtooth capacitor
: 3Vpp
52. Reference current input
: 3Vpp
53. AGC decoupling capacitor
54. Tuner AGC output
: Max:9V (Maximum tuner AGC
o
utput voltage), 300mV (Output saturation voltage)
55. Audio deemphasis
: 500mVrms
56. Decoupling sound demodulator