Daewoo DTC-14D9T, Service Manual

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12
IC DESCRIPTION
APPENDIX
TV signal processor-Teletext decoder with embedded -Controller
TDA9345 PS-N3; TDA9346 PS-N3
SYMBOL PIN DESCRIPTION
VP1 39 main supply voltage TV processor
CVBS1 40 internal CVBS input
GND 41 ground for TV processor
CVBS3/Y 42 CVBS3/Y input
C 43 chroma input
AUDOUT 44 audio output
INSSW2 45 2 nd RGB / YPR PB insertion input
R2/PR -IN 46 2 nd R input / PR input
G2/Y-IN 47 2 nd G input / Y input
B2/PB -IN 48 2 nd B input / PB input
BCLIN 49 beam current limiter input
BLKIN 50 black current input / V-guard input
RO 51 Red output
GO 52 Green output
BO 53 Blue output
VDDA 54 analog supply of Teletext decoder and digital supply of TV-processor (3.3 V)
VPE 55 OTP Programming Voltage
VDDC 56 digital supply to core (3.3 V)
OSCGND 57 oscillator ground supply
XTALIN 58 crystal oscillator input
XTALOUT 59 crystal oscillator output
RESET 60 reset
VDDP 61 digital supply to periphery (+3.3 V)
P1.0/INT1 62 port 1.0 or external interrupt 1 input
P1.1/T0 63 port 1.1 or Counter/Timer 0 input
P1.2/INT0 64 port 1.2 or external interrupt 0 input