Daewoo DTH-2930SSFV, CM-405F service manual Check Tuner CLOCK,DATA Voltage

Page 34

TROUBLESHOOTING GUIDE

Appendix

4. CH DON’T MEMORY or SKIP

Check The Iutput Signal Conditions

NG : Loss of Signal or Weak Signal

OK : Go To The Figure (E)

(E)

 

 

 

 

 

 

TU101

 

33V

 

CHECK

TUNER

 

CHECK

 

 

 

 

THE

CLOCK,DATA

IF

 

5V

VOLTAGE

 

 

 

 

 

 

 

Z101

 

 

 

I702

 

SAW FILTER

 

 

EEPROM

 

 

SIF

 

 

 

 

 

 

 

#8

#5,6

 

 

 

 

STB

SCL/SD

VIF

 

 

 

 

 

 

 

 

 

 

 

 

CHECK THE

 

#28,29

#33

 

 

 

 

 

 

 

VOLTAGE

 

 

 

 

 

 

#7,8

I701

 

 

 

 

 

 

#22,43,45,63,80

 

5V

 

#18,19

 

#9,16,86,88

 

3.3V

CHECK THE

X701

 

 

 

CRYSTAL

 

 

 

 

 

24.576MHz

 

CHECK THE

 

 

 

 

 

 

 

 

VOLTAGE

 

 

-33-

 

 

 

Image 34
Contents Color Television Table of Contents Safety Precautions Safety ChecksSafety Precautions Subject Implosion Specifiction DTH-2930SSFVCircuit Block Diagram Your Remote ControlR-48C04 Alignment InstructionAlignment Instruction Alignment Instruction Assembly Adjustments Alignment Instruction Parallel Size Parabola Corner TOP, Corner Bottom EW Trapez Alignment Instruction IC Description UOC III SeriesSSDIP90 VSSC4 VSC VP2 Standard Version Symbol Vrefadneg VDDC1 IC Description IC Description IC Description IC Description IC Description STR-W6756 Waveforms AppendixAppendix 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