Daewoo DTM-2930MP Service Manual
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Daewoo DTM-2930MP Service Manual

Daewoo DTM-2930MP Service Manual

Chassis cm-650
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Download this manual See also: Instruction Manual
Service Manual
C o lo r T e le v isio n
C H A S S IS
M odel
:
d t m
M O D E L O PTIO N LIS T
Caution
: In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the
latest parts information, please refer to PPL(Parts Price List)in
Service Information Center.
: C M -650
-2930ME/
/
m p
m t
DAEWOO
/
m z

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Summary of Contents for Daewoo DTM-2930MP

  • Page 1 M O D E L O PTIO N LIS T Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List)in Service Information Center. DAEWOO...

  • Page 3: Specifications

    1. SPECIFICATIONS...

  • Page 4: Safety Instruction

    2 SAFETY INSTRUCTION 2 SAFETY INSTRUCTION NOTE X-RAY RADIATION PRECAUTION SAFETY PRECAUTION PRODUCT SAFETY NOTICE...

  • Page 6: Alignment Instructions

    4. ALIGNMENT INSTRUCTIONS D O C U M E N T HISTORY VERSION DATE COMMENTS...
  • Page 7 RED - GREEN menu Stand By...

  • Page 8: Control Bits

    1 CONTROL BITS TUNER OPTIONS e n a b l e d D V D 2 c o m e s ( D V D 1 A V 3 )
  • Page 9 4.4 USER GUIDE...

  • Page 10: Control Description

    4.5 CONTROL DESCRIPTION Bit2 Bit1 BitO Tuner...
  • Page 11 Colour Brightness Contast Sharpness -10-...
  • Page 12 Bit6, 5&4 Teletext table Basic Char.Set Twist Char.Set Latin West Latin East Russian Arabic/ Persian -li-...
  • Page 13 -12-...
  • Page 14 -13-...

  • Page 15: Remote Control

    Remote control TELETEXT MODE TV MODE @ • © ■ © ■ ® • ■ ® ■ ■ -14-...
  • Page 16 CM-650 CHASSIS SETTING LIST...

  • Page 17: Electrical Parts List

    6. ELECTRICAL PARTS LIST PA R T C O D E PA R T N A M E D E SC R IPT IO N RE M A R K LO C PA R T C O D E PA R T N A M E D E SC R IPT IO N RE M A R K Z Z 1 0 0...
  • Page 18 PA R T C O D E PA R T N A M E D E SC R IPT IO N R E M A R K LO C PA R T C O D E PA R T N A M E D E SC R IPT IO N R E M A R K C 8 3 5...
  • Page 19 PA R T C O D E PA R T N A M E D E SC R IPT IO N RE M A R K LO C PA R T C O D E PA R T N A M E D E SC R IPT IO N RE M A R K C 7 3 2...
  • Page 20 PA R T C O D E PA R T N A M E D E SC R IPT IO N R E M A R K LO C PA R T C O D E PA R T N A M E D E SC R IPT IO N R E M A R K D 4 0 1...
  • Page 21 PA R T C O D E PA R T N A M E D E SC R IPT IO N RE M A R K LO C PA R T C O D E PA R T N A M E D E SC R IPT IO N RE M A R K J 7 5 5...
  • Page 22 PA R T C O D E PA R T N A M E D E SC R IPT IO N R E M A R K LO C PA R T C O D E PA R T N A M E D E SC R IPT IO N R E M A R K R 6 0 2...
  • Page 23 PA R T C O D E PA R T N A M E D E SC R IPT IO N RE M A R K LO C PA R T C O D E PA R T N A M E D E SC R IPT IO N RE M A R K I P 0 1...
  • Page 24 7. S C H E M A T I C D I A G R A M NOTE: CM— 6 5 0 CHASSIS 1 RESISTANCE IS SHOWN IN O HM K = 1000, M = 1000000 2 UNLESS OTHERWISE NOTED IN SCHEMATIC ALL CAPACITOR VALUES ARE EXPRESSED IN uF 3 VOLTAGES READ WITH VTVM 1 FROM POINT INDICATED TO SCHEMATIC DIAGRAM...
  • Page 25 8. P R I N T E D C I R C U I T B O A R D...
  • Page 26 2006.03.09...
  • Page 27 о СМ О с о I ' Ф о с м с о СО ГО а QQ LO о о о Q _ Ф - о у...
  • Page 28 9. M e c h a n i c a l E x p l o d e d V i e w -26-...
  • Page 29 10. IC DESCRIPTION -27-...
  • Page 30 Fig.2 Block diagram of the “AV-stereo” TV processor with audio DSP...
  • Page 31 QFP 90pin Symbol Short Description -29-...
  • Page 32 QFP 90pin Symbol Short Description...
  • Page 33 QFP 90pin Symbol Short Description -31-...
  • Page 34 Analogue video processing (stereo versions) Analogue video processing (mono versions) Digital Video Processing (some versions) -32-...
  • Page 35 Sound Demodulation (all versions) Audio Interfaces and switching (stereo versions with Audio DSP) Stereo Demodulator and Decoder (full stereo versions) Audio Multi Channel Decoder (stereo versions with Audio DSP) -33-...
  • Page 36 Volume and tone control for loudspeakers (stereo versions with Audio DSP) Reflection and delay for loudspeaker channels (stereo versions with Audio DSP) Psycho acoustic spatial algorithms, downmix and split in loudspeaker channels (stereo versions with Audio DSP) RDS/RBDS(Only possible with external FM RADIO DEMOD.) m -C o n tro lle r -34-...
  • Page 37 Data Capture Display -35-...
  • Page 38 -36-...
  • Page 39 □ i n e ■ j г TDA8358J ____ □ ____ MGL86T -37-...
  • Page 40 Symbol Description Positeve vertical input Negative vertical input S upply voltage O UTB V ertical output voltage В INEW East-w est input voltage VG N D V ertical ground EW G N D E ast-w est ground O U TE W East-w est output voltage Flyback supply voltage O U T A...
  • Page 41 Symbol Description in vertin g input 1 Vid) in vertin g input 2 Vi(2) in vertin g input 3 G N D gro u n d (fin) b la ck c u rre n t m e a s u re m e n t o u tp u t s u p p ly vo lta g e c a th o d e o u tp u t 3 c a th o d e o u tp u t 2...
  • Page 42 Pin No. Name Description -40-...
  • Page 43 -41-...
  • Page 44 -42-...
  • Page 45 — — — — o f f B(ON) — — B(S) B(S) u s e e u s e m a x — -43-...
  • Page 46 7 F U N C T IO N A L D E S C R IP T IO N O F V ID E O P R O C E S S O R 7.1 Vision IF amplifier 7.2 QSS sound circuit 7.3 FM demodulator -44-...

  • Page 47: Audio Input Selector And Volume Contro

    7.4 Audio input selector and volume contro -45-...
  • Page 48 7.5 CVBS and Y/C input signal selection 7.6 Synchronisation circuit -46-...

  • Page 49: Chroma, Luminance And Feature Processing

    7.8 Chroma, luminance and feature processing -47-...

  • Page 50: Colour Decoder

    7.9 Colour decoder -48-...

  • Page 51: Rgb Output Circuit

    7.10 RGB output circuit -49-...
  • Page 52 -50-...
  • Page 53 ANALOG 2-CARRIER SYSTEMS CARRIER BANDWIDTH/ SOUND FM DEVIATION(kHz) STANDARD FREQUENCY DE-EMPHASIS SYSTEM NOM./MAX./OVER (MHz) (kHz/us) Mono 15/25/50 Mono 15/75 4.5/4.724 15/25/50 1/2(L+R) 1/2(L+R) 15/75(Korea) 5.5/5.742 27/50/80 1/2(L+R) 15/50 Mono 27/50/80 mono 15/50 D/K(1) 1/2(L+R) 6.5/6.258 27/50/80 15/50 D/K(2) 6.5/6.742 27/50/80 1/2(L+R) 15/50 D/K(3)
  • Page 54 -52-...

  • Page 55: Functional Overview Of The Digital Controller Sound Part

    9.2 Functional Overview Of the digital controller sound part -53-...
  • Page 56 9.3 Demodulator and decoder INTRODUCTION FM AND AM DEMODULATION FM IDENTIFICATION -54-...

  • Page 57: Nicam Decoder

    FM PILOT CARRIER PRESENT DETECTOR NICAM DEMODULATION NICAM DECODER b it e rro rs „ B E R = - - - - - - - — — = e rro r b y te x 1.7 4 x 1 0’5 to ta l b its -55-...
  • Page 58 NICAM AUTO-MUTE -56-...

  • Page 59: Troubleshooting Charts

    11. TROUBLE SHOOTING CHARTS 1 .NO RASTER -57-...
  • Page 60 -58-...
  • Page 61 -59-...
  • Page 62 -60-...
  • Page 63 -61-...
  • Page 64 У -62-...
  • Page 65 -63-...
  • Page 66 -64-...

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