1C 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 : ImVrms
2. External audio input : SOOrnVrms
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."! .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
1 1 . External CVBS/Y input 1 Vpp, 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
2 1 . 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 tor 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 1 Vpp, 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 Output voltage), 300mV (Output saturation voltage)
55. Audio deemphasis 500mVrms
56. Decoupling sound demodulator
8
Summary of Contents for 11AK19
Page 1: ...SERVICE MANUAL CHASSIS 11 AK19 FIRMEN EUROLINE PALLADIUM S E G TECHLINE VESTEL...
Page 27: ...GENERAL BLOCK DIAGRAM OF CHASSIS AK19 26...
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