akira CT-21CDP5CPT, Service Manual

Page: 31 / 44

Model no.:CT-21CDP5CPT.doc
version 1.0
31
A UDEXT
(2)
EHTO 36 EHT/overvoltage protection input
PLLIF 37 IF-PLL loop filter
IFVO/SVO/DVBO
(2)
38
IF video output / selected CVBS output / DVB output
(QFP-80)
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 /
AMOUT (2)
44
audio output / AM audio output (volume controlled)
INSSW2 45 2nd RGB / YUV insertion input
R2/V/PR-IN 46 2nd R input / V (R-Y) input / PR input
G2/Y-IN 47 2nd G input / Y input
B2/U/PB -IN 48 2nd B input / U (B-Y) 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
P1 .3/T1 1 port 1.3 or Counter/Timer 1 input
P1 .6/SCL 2 port 1.6 or I
2
C-bus clock line
P1 .7/SDA 3 port 1.7 or I
2
C-bus data line
P2.0/TPWM 4 port 2.0 or Tuning PWM output
P3.0/ADC0/PWM0 5 port 3.0 or ADC0 input or PWM0 output