Daewoo CM-405F, DTH-2930SSFV service manual Vrefadneg

Page 21

IC DESCRIPTION

 

STANDARD

 

 

VERSION

 

 

 

 

 

SYMBOL

MONO+ AV STEREO SSDIP90

FULL-STEREO/

DESCRIPTION

 

 

VDDA1

 

86

analog supply for TCG m-Controller and digital

 

 

 

supply for TV-processor (+3.3 V)

 

 

 

 

VREFAD_NEG

 

87

negative reference voltage (0 V)

 

 

 

 

VREFAD_POS

 

88

positive reference voltage (3.3 V)

 

 

 

 

VREFAD

 

89

reference voltage for audio ADCs (3.3/2 V)

 

 

 

 

GNDA

 

87

ground

 

 

 

 

VDDA(1.8V)

 

90

analogue supply for audio ADCs (1.8 V)

 

 

 

 

VDDA2(3.3)

 

88

supply voltage SDAC (3.3 V)

 

 

 

 

VSSadc

 

1

ground for on-chip temperature sensor

 

 

 

 

VDDadc(1.8)

 

90

supply voltage video ADC

 

 

 

 

INT0/P0.5

 

2

external interrupt 0 or port 0.5 (4 mA current

 

 

 

sinking capability for direct drive of LEDs)

 

 

 

 

P1.0/INT1

 

4

port 1.0 or external interrupt 1

 

 

 

 

P1.1/T0

 

5

port 1.1 or Counter/Timer 0 input

 

 

 

 

VDDC2

 

3

digital supply to core (1.8 V)

 

 

 

 

VSSC2

 

1

ground

 

 

 

 

P0.4/I2SWS

 

-

port 0.4 or I2S word select

P0.4

 

-

port 0.4

 

 

 

 

P0.3/I2SCLK

 

-

port 0.3 or I2S clock

P0.3

 

-

port 0.3

 

 

 

 

P0.2/I2SDO2

 

50

port 0.2 or I2S digital output 2

P0.2

 

-

port 0.2

 

 

 

 

P0.1/I2SDO1

 

-

port 0.1 or I2S digital output 1

P0.1

 

-

port 0.1

 

 

 

 

P0.0/I2SDI1/O

 

51

port 0.0 or I2S digital input 1 or I2S digital output

P0.0

 

-

port 0.0

 

 

 

 

P1.3/T1

 

6

port 1.3 or Counter/Timer 1 input

 

 

 

 

-20-

Image 21
Contents Color Television Table of Contents Safety Checks Safety PrecautionsSafety Precautions Subject Implosion DTH-2930SSFV SpecifictionCircuit Block Diagram Alignment Instruction Your Remote ControlR-48C04Alignment Instruction Alignment Instruction Assembly Adjustments Alignment Instruction Parallel Size Parabola Corner TOP, Corner Bottom EW Trapez Alignment Instruction UOC III Series IC DescriptionSSDIP90 VSSC4 VSC VP2 Standard Version Symbol Vrefadneg VDDC1 IC Description IC Description IC Description IC Description IC Description STR-W6756 Appendix WaveformsAppendix Troubleshooting Guide Troubleshooting Guide No Sound Check Tuner CLOCK,DATA Voltage No Color Check Voltage Check the RGB OUT Check the Crystal Troubleshooting Guide Electrical Parts List Electrical Parts List Reta PCB Nylon Oxide Film 1K OHM J Small CCXB2H561K Cera CBXF1H104Z Cera Semi 50V F 0.1MF Z Tapping PCB Main DUZ3R3B Diode Zener Metal Film R630 RD-AZ103J Carbon Comp PTCPMSK142 PCB CRT Manual AS DTQ-29U1SCV Page Page Page Page Page Daewoo Electronics Corp