Daewoo DUB-2850, Service Manual

Page: 18 / 79

CP-780 Service Manual
-18-
QFP 128pin Symbol Short Description
73 YSYNC Y-input for sync separator
74 YOUT Y-output (for YUV interface)
75 UOUT(INSSW2) U-output for YUV interface (2nd RGB /
YPBPR insertion input)
76 VOUT(SWO1) V-output for YUV interface (general
purpose switch output)
77 INSSW3 3rd RGB / YPBPR insertion input
78 R/PRIN3 3rd R input / PR input
79 G/YIN3 3rd G input / Y input
80 B/PBIN3 3rd B input / PB input
81 GND3 ground 3 for TV-processor
82 VP3 3rd supply for TV processor
83 BCLIN beam current limiter input
84 BLKIN black current input
85 RO Red output
86 GO Green output
87 BO Blue output
88 VDDA1 analog supply for TCG m-Controller and
digital supply for TV-processor (+3.3 V)
89 VREFAD_NEG negative reference voltage (0 V)
90 VREFAD_POS positive reference voltage (3.3 V)
91 VREFAD reference voltage for audio ADCs (3.3/2 V)
92 GNDA Ground
93 VDDA(1.8) analogue supply for audio ADCs (1.8 V)
94 VDDA2(3.3) supply voltage SDAC (3.3 V)
95 VSSadc ground for on-chip temperature sensor
96 VDDadc(1.8) supply voltage video ADC
97 INT0/P0.5 external interrupt 0 or port 0.5 (4 mA current sinking
capability for direct drive of LEDs)
98 P1.0/INT1 port 1.0 or external interrupt 1
99 P1.1/T0 port 1.1 or Counter/Timer 0 input
100 VDDC2 digital supply to core (1.8 V)
101 VSSC2 Ground
102 P0.4/I2SWS port 0.4 or I2S word select
103 P0.3/I2SCLK port 0.3 or I2S clock
104 P0.2/I2SDO2 port 0.2 or I2S digital output 2
105 P0.1/I2SDO1 port 0.1 or I2S digital output 1
106 P0.0/I2SDI1/O port 0.0 or I2S digital input 1 or I2S digital output
107 P1.3/T1 port 1.3 or Counter/Timer 1 input
108 P1.6/SCL port 1.6 or I2C-bus clock line
109 P1.7/SDA port 1.7 or I2C-bus data line
110 VDDP(3.3V)
supply to periphery and on-chip voltage regulator (3.3 V)
111 P2.0/TPWM port 2.0 or Tuning PWM output
112 P2.1/PWM0 port 2.1 or PWM0 output
113 P2.2/PWM1 port 2.2 or PWM1 output
114 P2.3/PWM2 port 2.3 or PWM2 output