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Service
Additionally
Manual
required Service
Manuals for the
Complete Service:
Sach-Nr./Part No.
72010-019.10
TRC 1
(75990-200.14)
TRC 2
(75990-300.00)
.
Änderungen vorbehalten
Subject to alteration
SERVICE MANUAL
Service
Manual
Sicherheit
Safety
Sach-Nr./Part No.
72010-800.00
Chassis G 1000 Stereo
Attention: The picture tube panel must be removed
Printed in Germany
VK 221 0596
GT 2005
GT 2105
before disconnecting the yoke plug
Btx
32700 #
*
D
(ST 03)
(77250-056.61/GCC 1261GB)
(77250-055.61/GCC 1361GB)
Service Manual Sach-Nr.
Service Manual Part No. 72010-019.10
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Table of Contents
Related Manuals for Grundig GT 2005
Summary of Contents for Grundig GT 2005
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Page 1: Service Manual
Sicherheit Complete Service: Safety Sach-Nr./Part No. Sach-Nr./Part No. 72010-800.00 72010-019.10 Chassis G 1000 Stereo (ST 03) GT 2005 (77250-056.61/GCC 1261GB) GT 2105 (77250-055.61/GCC 1361GB) TRC 1 (75990-200.14) Attention: The picture tube panel must be removed TRC 2 (75990-300.00) before disconnecting the yoke plug Änderungen vorbehalten... -
Page 2: Table Of Contents
After every repair of the power supply unit or the horizontal deflection stage it is imperative that the EHT for the picture tube is checked and Please note the Grundig Catalog "Test and Measuring Equipment" re-adjusted if necessary. obtainable from:... -
Page 3: General Section
O Selects language in dual language Nicam transmissions. Selects mono sounds. TEXT/MIX Selects teletext/selects mixed mode (text on picture) Accesses menu Returns to normal viewing mode Q Accesses audio selections 0/AV Selects auxiliary mode R Selects tuning mode Selects auxiliary input GRUNDIG Service 1 - 3... -
Page 4: Brief Service Instuctions
INDEX With the main index on screen a further press of the INDEX button will access the main A - Z index or other subsidiary index pages. Returning to Normal Television Viewing To return to normal television viewing at any time, press the TV button. 1 - 4 GRUNDIG Service... -
Page 5: Operating Hints
Operating Hints GT 2005 / 2105 Note: This chapter contains excerpts from the operating instructions. For further particulars please refer to the appropriate user instructions the part number of which is indicated in the relevant spare parts list. FINE TUNING... - Page 6 Follow the steps below selecting first either AV1 or AV2 input PICTURE ADJUSTMENT as required. Your Grundig television set allows control of brightness, contrast and colour. To make any picture Step 1 adjustments follow this procedure : Press 0/AV on the remote control.
- Page 7 VOLUME CHANGE AND MUTE To increase the volume press VOL+. STEREO WIDE SELECTION Your Grundig NICAM stereo television allows you to To decrease the volume press VOL-. enhance the stereo effect from stereo transmissions by selecting Stereo Wide. To select Stereo Wide follow...
- Page 8 In the future some television programmes may be transmitted with a choice of language selections. CARE OF YOUR SET Your Grundig television is ready for this development. Use only a soft cloth to clean your television set If programmes are transmitted in this way, pressing cabinet.
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Page 9: Circuit Description
After passing through the delay line it is returned to IC500-(26), -(27) and then mixed with the luma and fed into the matrix circuits to produce the RGB output. The luma signal is also fed through a short delay line GRUNDIG Service 2 - 1... -
Page 10: Time Base Generator
Pin 39 is the sound mute output which drives the sound mute transistor microcontroller including I C bus are taken from this clock. TR5 and TR7. Pins 40 and 41 are the dedicated I C bus. 2 - 2 GRUNDIG Service... -
Page 11: Output Power Stages
The power is derived from a 21 volt winding on the chopper trans- causing the transistor to conduct. This produces an output by the former. collector proportional to the high beam current. As the output transistor GRUNDIG Service 2 - 3 GRUNDIG Service 3 - 1... -
Page 12: Layout Of The Pcbs And Circuit Diagrams
J076 J127 J128 C312 C825 D510 J024 J077 C313 C826 D532 J025 J078 J129 C315 C830 D600 J026 J079 J130 C322 C831 C350 C832 J028 J080 J131 J029 J081 J132 4 - 1 GRUNDIG Service 4 - 2 GRUNDIG Service... -
Page 13: Chassis Board
J021 C668 C660 PL550 LNK650 J085 J022 C553 TC400 L551 J074 C705 J028 J075 J024 C700 R550 J072 J019 J018 IC651 J073 L550 J078 J008 J077 XT650 J007 PL106 PL107 GRUNDIG Service 4 - 3 GRUNDIG Service 4 - 4... - Page 14 Layout of the PCBs and Circuit Diagrams ST 03 Layout of the PCBs and Circuit Diagrams ST 03 Chassis Board Solder side, bottom view R111 D306 R514 C542 C860 C861 TR540 C555 C703 4 - 5 GRUNDIG Service 4 - 6 GRUNDIG Service...
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Page 15: Oscillograms
2V/cm, 20µs/cm 5V/cm, 5ms/cm C652 D653 R459 R661 Tastkopf 100:1 D654 R461 R663 R825 C653 Test probe 100:1 R665 R826 C654 D655 R462 10V/cm, 5ms/cm 1V/cm, 20µs/cm 1V/cm, 20µs/cm 1V/cm, 20µs/cm GRUNDIG Service 4 - 7 GRUNDIG Service 4 - 8... -
Page 16: Deflection H+V
C202 R206 1/4W DEFLECTION +26V V_GND SAFE R212 1/4W C203 C205 R202 R205 R213 R210 C206 TABLE_CRT 1/4W 1/2W C207 100n R204 LINK R211 L_GND R203 TABLE_CRT 1/4W V_GND V_GND 4 - 10 4 - 9 GRUNDIG Service GRUNDIG Service... -
Page 17: Power Supply
100u TABLE_AUDIO TABLE_AUDIO 385V 100n SPERIINR 470p 470u 160V D113 1/4W 1/4W SAFE 1N4007 SPERIOR P_GND SM_GND R115 1/2W C114 250Vac safe 385V SM_GND VR37 RIFA (3=GND) safe PME294 (3=385v) GRUNDIG Service 4 - 11 GRUNDIG Service 4 - 12... -
Page 18: Signal Board
MONO R715 MONO BC847 1/4W R708 R709 R707 MONO_PALBG_SECDK CT400 IF_GND C420 IF_GND R718 1/4W 1/4W TABLE_SYS R716 5.6pF MONO_AV 1/4W C707 VIDEO_B R722 100R SAW_GND SAW_GND SAW_GND EXTVID TVVIDI 4 - 13 GRUNDIG Service 4 - 14 GRUNDIG Service... -
Page 19: Y/C Processing
K3261 J3252 –o–o– –o–o– 1N4148 –o–o– D600 R461 680n 680n 100n 680n C406 330R R412 STV8224 STV8224 STV8224A STV8224 IC400 C417 100R 100R 100R R422 R407 LNK504 –o–o– –o–o– –o–o– GRUNDIG Service 4 - 15 GRUNDIG Service 4 - 16... - Page 20 SCART2_EN 100nF TR14 1/4W 1/4W BC847 1N4148 AUDIO_GND PERI_GND BZX79C AUDIO_GND 1N4148 BC847 MSP3410 220R DVSS AUDIO_GND AUDIO_GND SS_GND PERI_GND SAW_GND AHVSS SAW_GND SS_GND DVSS PERI_GND SS_GND AUDIO_GND DVSS AVSS 4 - 17 GRUNDIG Service 4 - 18 GRUNDIG Service...
- Page 21 ST 03 Layout of the PCBs and Circuit Diagrams Audio Board Component side, top view Solder side, bottom view TR20 MSP3410 C33 C32 SJ02 C18 C19 TR14 TR13 TR10 TR12 TR11 GRUNDIG Service 4 - 19 GRUNDIG Service 4 - 20...
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Page 22: Text
C907 R906 LNK901 J121 TR901 D901 250V CN902 R917 R902 6WAY_WIRE_HOLDER 2.5mm_PITCH TR903 C906 51052 C903 CRTS_GND R901 CN901 R900 D900 TR900 5WAY_WIRE_HOLDER 251004.02-CSSK 2.5mm_PITCH 51052 Solder side, bottom view 4 - 21 GRUNDIG Service 4 - 22 GRUNDIG Service... -
Page 23: Spare Parts List
8309-215-045 DIODE 1N4148 C 807 8672-167-758 SMD KERKO 0805 0,01UF 10% D 504 8309-215-045 DIODE 1N4148 5 / 96 GT 2005 C 812 8672-167-758 SMD KERKO 0805 0,01UF 10% D 540 75990-200.62 ZENER-DIODE BZX84 3,9V C 813 8525-001-273 MKS 2 0,1 UF 5% 63V... - Page 24 POS. SACHNUMMER BEZEICHNUNG POS. SACHNUMMER BEZEICHNUNG POS. SACHNUMMER BEZEICHNUNG POS. SACHNUMMER BEZEICHNUNG POS. PART NUMBER DESCRIPTION POS. PART NUMBER DESCRIPTION POS. PART NUMBER DESCRIPTION POS. PART NUMBER DESCRIPTION R 915 75990-300.13 MOW 0411 0,68 OHM 5% GA TR 902 75990-200.79 TRANSISTOR BF 871 R 103 8765-098-049...
- Page 25 75990-200.02 FRONT-GEHAEUSE HOUSING FRONT C 820 8672-167-279 KEFQ 0805 0,047UF 10% D 304 75990-200.45 DIODE BY 133 0002.000 75990-300.50 EMBLEM-GRUNDIG LABEL-GRUNDIG C 821 8672-167-253 KEFQ 0805 3900PF 10% D 305 75990-500.24 DIODE LL 4148 0003.000 75990-200.10 INFRAROTFENSTER INFRA RED WINDOW...
- Page 26 POS. SACHNUMMER BEZEICHNUNG POS. SACHNUMMER BEZEICHNUNG POS. SACHNUMMER BEZEICHNUNG POS. SACHNUMMER BEZEICHNUNG POS. PART NUMBER DESCRIPTION POS. PART NUMBER DESCRIPTION POS. PART NUMBER DESCRIPTION POS. PART NUMBER DESCRIPTION L 301 75990-300.06 SPULE 150 UH (HUAFEI) R 512 8700-007-485 KSW 0207 3,3 KOHM 5% R 823 8706-100-099 R-CHIP 0805 12 KOHM 5%...
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