Beko D5, Service Manual

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9. PIN VOLTAGES OF IC’S .
IC101(OM 8365)
TV signal processor-Teletext decoder with embedded m-Controller
PIN SYMBOL DESCRIPTION V DC(*) PIN SYMBOL DESCRIPTION V DC(*)
1 P3.1/ADC1 port 3.1 or ADC1 input 3,24(3,21) 41 GND ground for TV processor 0(0)
2 P3.2/ADC2 port 3.2 or ADC2 input 3,24(3,21) 42 CVBS2 external CVBS2 input 3,26(0,2)
3 P3.3/ADC3 port 3.3 or ADC3 input 0(3,17) 43 GND ground for TV-processor 0(0)
4 VSSC/P
digital ground for m-Controller core
and periphery
0(0) 44 CVBS3/Y CVBS3/Y input 3,26(0,06)
5 P0.5
port 0.5 (8 mA current sinking
capability for direct drive of LEDs)
0(0) 45 C chroma input 1,45(0,23)
6 P0.6/CVBSTD
port 0.6 (8 mA current sinking
capability for direct drive of LEDs) or
Composite video input. A positive-
going 1V(peak-to-peak) input is
required
3,2(0) 46 WHSTR white stretch capacitor 3,38(0)
7 VSSA
analog ground of Teletext decoder
and digital ground of TV-processor
0(0) 47 CVBSO CVBS output 2,87(0,86)
8 SECPLL SECAM PLL decoupling 2,54(0) 48
AUDOUT
/AMOUT(1) audio output /AM audio output (volume
controlled)
3,21(0,01)
9 VP2
2nd supply voltage TV-processor (+8
V)
7,96(1,37) 49 IFVO2
2nd IF video output signal (with or
without group delay correction)
2,86(0,01)
10 DECDIG
supply voltage decoupling of digital
circuit of TV-processor
4,89(0) 50 INSSW2 2nd RGB / YUV insertion input 0,08(0,03)
11 PH2LF phase-2 filter 2,8(0) 51 R2/VIN 2nd R input / V (R-Y) input / PR input 2,20(0)
12 PH1LF phase-1 filter 3,84(0) 52 G2/YIN 2nd G input / Y input 2(0)
13 GND3 ground 3 for TV-processor 0(0) 53 B2/UIN 2nd B input / U (B-Y) input / PB input 2,20(0)
14 DECBG bandgap decoupling 3,91(0) 54 BCLIN beam current limiter input 3,81(0)
15 EWD E-W drive output 0,03(0,03) 55 BLKIN black current input / V-guard input 5,31(0,01)
16 VDRB vertical drive B output 0,58(0) 56 RO Red output 3,34(0,01)
17 VDRA vertical drive A output 0,60(0) 57 GO Green output 3,42(0,01)
18 IFIN1 IF input 1 1,81(0) 58 BO Blue output 3,49(0,01)
19 IFIN2 IF input 2 1,81(0) 59 VDDA
analog supply of Teletext decoder and
digital supply of TV-processor (3.3 V)
3,23(0,01)
20 IREF reference current input 3,77(0) 60 VPE OTP Programming Voltage 0(3,27)
21 VSC vertical sawtooth capacitor 3,71(0) 61 VDDC digital supply to core (3.3 V) 3,26(0)
22 AGCOUT tuner AGC output 2,08(0,8) 62 OSCGND oscillator ground supply 0,03(3,27)
23 SIFIN1 SIF input 1 1,83(0) 63 XTALIN crystal oscillator input 1,59(1,59)
24 SIFIN2 SIF input 2 1,83(0) 64 XTALOUT crystal oscillator output 1,67(1,67)
25 GND2 ground 2 for TV processor 0(0) 65 RESET reset 0(0)
26 SNDPLL narrow band PLL filter 1,58(0) 66 VDDP digital supply to periphery (+3.3 V) 3,24(3,21)
27
AVL/REF0/SN
DIF
Automatic Volume Levelling /
subcarrier reference output / sound IF
input
0,32(0,32) 67 P1.0/INT1 port 1.0 or external interrupt 1 input 3,24(3,21)
28 AUDIO2 audio 2 input 3,61(0,02) 68 P1.1/T0 port 1.1 or Counter/Timer 0 input 3,24(3,21)
29 AUDIO3 audio 3 input 3,61(0,02) 69 P1.2/INT0 port 1.2 or external interrupt 0 input 4,93(4,95)
30 HOUT horizontal output 0,37(0) 70 P1.3/T1 port 1.3 or Counter/Timer 1 input 0(3,18)
31 FBISO flyback input/sandcastle output 0,42(0) 71 P1.6/SCL port 1.6 or I2C-bus clock line 4,71(4,96)
32 DECSDEM decoupling sound demodulator 2,36(0) 72 P1.7/SDA port 1.7 or I2C-bus data line 4,64(4,96)
33
QSSO/AMOUT
/ AUDEEM
QSS intercarrier output / AM output in
stereo applications or deemphasis
(front-end audio out) / AM output in
mono applications
2,51(0,03) 73 P2.0/TPWM port 2.0 or Tuning PWM output 4,98(0)
34 EHTO EHT/overvoltage protection input 1,93(0,34) 74 P2.1/PWM0 port 2.1 0(2,47)
35 PLLIF IF-PLL loop filter 2,37(0) 75 P2.2/PWM1 port 2.2 3,22(2,93)
36 SIFAGC AGC sound IF 2,17(0,3) 76 P2.3/PWM2 port 2.3 0,03(0,06)
37 QSSO QSS output 0(0,67) 77 P2.4/PWM3 port 2.4 0(0)
38 IFVO/SVO
IF video output / selected CVBS
output
2,95(0) 78 P2.5/PWM4 port 2.5 3,24(3,18)
39 VP1 main supply voltage TV processor 7,79(1,38) 79
SYNC_FILT
ER CVBS (i.e. P0.6/CVBS) Sync filter input:
This pin should be connected to VSSA
0,06(0,06)
40 CVBS1 internal CVBS input 3,71(0) 80 P3.0/ADC0 port 3.0 or ADC0 input 3,24(3,21)
(*) Stand-by values are given the parenthessis
NOTE: The function of pin 15, 27, 33 and 48 is dependent on the mode of operation (mono intercarrier mode / QSS IF amplifier) and is
controlled by some software control bits.