Siemens MCM-19T1 Service Manual Download Page 24 | Manualshive

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MCM-19T1

5-4. SEMICONDUCTORS

— 37 —

— 38 —

NJM78M05FA

UPC4558G2

LA6500-FA
LA6510

PC123F2

PST574CMT-T1

FMQ-G5FMS

1SS119-25
MTZJ-39B
MTZJ-6.2B
MTZJ-6.2B
RB441Q
RD15ESB3
RD18ESB2
RD3.0ESB2
RD3.6ESB2
RD5.1ESB2
RD5.6ESB2
RD8.2ESB2

D2L40-TA
GBU4JL-6088

EGP10D
EGP20DPKG23
HSS82
RGP02-17EL-
6433
S2L20UF
S2L40F
SB340
UF4007G23

D4L20U

MA111

1PS226-115

2SC2001TP-K1K2
2SC3941A-Q(TA)

2SB1094-LK

2SC3209LK

2SA1175-HFE
2SC2785-HFE

2SC2611

2SA1162-G
2SC1623-L5L6

UPC5021-109

SN74HCT02ANS-E20

2SC5022-02

IRFU110A

IRFIBC44LCLF65
1RL1530GSLF33
2SK2098-01MR-F119

1RF19634G-LF35
FS7KM-18A-AY

2SC5022-02

AN8037

CAT24WC16J-TE13
TLV2262IDR

TDA8177
TDA8138A

STV5109

FMC-26UA

CXD8766S/JBK

CXD8768Q

TL431BCLPRA

STK391-110

LM2403

PQ6RD83B

339VYUGW/R2

SNY432

MC33269ST-33

2SC5530-01

H board

Schematic Diagrams

5. mcm H schem semis.p65

5/18/99, 11:13 AM

2

022-83718162

www.chinadse.org

022-83715667

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Summary of Contents for MCM-19T1

Page 1: ...HD VD Composite Polarity Free TTL Video Composite Sync on Green 0 3 Vp p Negative Power Consumption Maximum Nominal Deflection frequency AC input voltage current Dimensions Mass CHASSIS 125W 436BTU h 100W 300BTU h Horizontal 30 to 96 KHz Vertical 48 to120 Hz 100 to 120 V 50 60 Hz 1 7A 220 to 240V 50 60Hz 1 2A 444 x 467 x 455 w h d 171 2 x 181 2 x 18 inches Approx 26 kg 57 lb 5 oz SERVICE MANUAL De...

Page 2: ...t State Power Consumption Required Recovery Time Power Indicator 1 Normal Operation 130W Green on 2 Standby 1st mode 15W approx 5 sec Green and orange alternate 3 Suspend 2nd mode 15W approx 5 sec Green and orange alternate 4 Active off 3rd mode 8W approx 5 sec Orange 5 Power off 0W Off 6 Failure modes See below This monitor has three Power Saving modes By sensing the absence of a video signal fro...

Page 3: ...vious signs of deterioration Point them out to the customer and recommend their replacement 6 Check the line cords for cracks and abrasion Recommend the replacement of any such line cord to the customer 7 Check the B and HV to see if they are specified values Make sure your instruments are accurate be suspicious of your HV meter if sets always have low HV 8 Check the antenna terminals metal trim m...

Page 4: ...5 1 Block Diagram 19 5 2 Circuit Boards Location 22 5 3 Schematic Diagrams and Printed Wiring Boards 22 1 D Board Schematic Diagram 23 2 A Board Schematic Diagram 27 3 N Board Schematic Diagram 31 4 H Board Schematic Diagram 35 5 4 Semiconductors 37 6 EXPLODED VIEWS 6 1 Chassis 39 6 2 Packing Materials 40 7 ELECTRICAL PARTS LIST 41 TABLE OF CONTENTS 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r ...

Page 5: ...ds Before disconnecting the power cord wait at least 30 seconds after turning off the power to allow the static electricity on the screen s surface to discharge After the power is turned on the screen is demagnetized degaussed for about 3 seconds This generates a strong magnetic field around the screen which may affect data stored on magnetic tapes and disks placed near the monitor Be sure to keep...

Page 6: ...er You can access any of these OSDs from the MENU OSD To adjust monitor settings using the OSDs follow the steps below Basic controls Use the MENU button to display the MENU OSD and to select menu items Use the BRIGHTNESS v V buttons to highlight menu items and to adjust settings To adjust the monitor settings 1 Press the MENU button to display the MENU OSD 2 Highlight the desired OSD using the BR...

Page 7: ...lor field Colors appear reddish if the temperature is low and bluish if the temperature is high This adjustment is useful for matching the monitor s colors to a printed picture s colors This setting is stored in memory for all input signals 1 Press the MENU button The main MENU appears on the screen 2 Press the v V buttons to highlight COLOR and press the MENU button again The COLOR menu appears o...

Page 8: ...ons to highlight MOIRE ADJUST Then press the 6 B b buttons to adjust the amount of moire cancellation until the moire effect is at a minimum Moire is a type of natural interference which produces soft wavy lines on your screen It may appear due to interference between the pattern of the picture on the screen and the phosphor pitch pattern of the monitor ENG DEU ITA SWE JPN LANGUAGE FRA ESP NLD RUS...

Page 9: ... that the graphics mode VESA VGA etc and the frequency of the input signal are supported by this monitor Appendix Even if the frequency is within the proper range some graphic video boards may have a sync pulse that is too narrow for the monitor to sync correctly Adjust the computer s refresh rate vertical frequency to obtain the best possible picture INFORMATION MONITOR IS WORKING OUT OF SCAN RAN...

Page 10: ...o screws BVTP 3 x 12 6 N board 2 H board 9 Cabinet 1 3 2 Two screws BVTP 4 x 16 Two claws PUSH PUSH 1 When the D board is placed in service position the Safety Earth Wire green and yellow wire is disconnected 2 After service is completed and the D board reinstalled the Safety Earth Wire must be reattached to the chassis with the proper screw This must be confirmed before any subsequent procedures ...

Page 11: ... carbon painted on the CRT after removing the anode REMOVAL PROCEDURES 1 Do not use sharp objects which may cause damage to the surface of the anode cap 2 Do not squeeze the rubber covering too hard to avoid damaging the anode cap A material fitting called a shatter hook terminal is built into the rubber 3 Do not force turn the foot of the rubber cover This may cause the shatter hook terminal to p...

Page 12: ...n below Standard voltage 181 4 0 VDC SECTION 3 SAFETY RELATED ADJUSTMENT Part Replaced RV904 Part Replaced D BOARD When replacing parts shown in the table below the following operational checks must be performed as a safety precaution against X ray emissions from the unit Allow the unit to warm up for one minute prior to checking the following conditions HV Regulator Check 1 Input white cross hatc...

Page 13: ...nt 1 All digital convergence data should be zero by MCP 2 Enter the white crosshatch signal 3 Adjust roughly the horizontal and vertical convergence at four pole magnet 4 Adjust roughly HMC and VMC at six pole magnet The parts above are necessary for DAS adjustment IBM AT Computer as a Jig 1 690 391 21 1 A 1500 819 A Interface Unit 2 3 D sub 9 Pin female mini Din 8Pin 4 Pin 3 702 691 01 Connector ...

Page 14: ...le Mg VR Adjustment on DY 3 Receive White cross hatch 4 Adjust HMC and VMC at six pole magnet Six Pole Magnet 5 Receive R B cross hatch 6 Adjust H TILT by swinging the DY neck right and left 7 Adjust XCV with XCV core XCV movement 8 Adjust V TILT with TLV VR TLV movement 9 Adjust Y CROSS with YCH VR YCH movement Focus adjustment Adjust focus V and focus H for optimum focus R B Focus V Focus H FBT ...

Page 15: ...MIC CONV RX03 X DYNAMIC CONV RX83 Y DYNAMIC CONV RY03 Y DYNAMIC CONV RY83 Step 5 Adjust area 0 81 with the following register X DYNAMIC CONV RX01 X DYNAMIC CONV RX81 Y DYNAMIC CONV RY01 Y DYNA MIC CONV RY81 Step 6 Adjust area 05 85 with the following register X DYNAMIC CONV RX05 X DYNAMIC CONV RX85 Y DYNAMIC CONV RY05 Y DYNAMIC CONV RY85 Step 7 Adjust area 02 82 with the following register X DYNAM...

Page 16: ... 16 MCM 19T1 NOTES 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

Page 17: ... 17 MCM 19T1 NOTES 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

Page 18: ... 18 MCM 19T1 NOTES 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

Page 19: ...ts by using RV904 as indicated See page 12 When replacing parts shown in the table below be sure to perform the safety related adjustment All voltages are in volts Readings are taken with a 10 MW digital multimeter Readings are taken with a color bar signal input Voltage variations may be noted due to normal production tolerances Cannot be measured Circled numbers are waveform references B bus B b...

Page 20: ...lt 1 1 59 2 1 59 3 16 52 4 0 08 5 16 34 IC703 pin volt 1 0 05 2 0 05 3 0 04 4 0 07 5 0 08 6 0 72 7 16 59 8 GND 9 16 38 10 N C 11 4 60 12 GND IC704 pin volt 1 0 29 2 0 31 3 1 18 4 1 18 5 16 52 6 1 18 7 1 18 8 0 02 9 0 02 10 16 34 IC805 pin volt 1 11 91 2 4 18 3 4 18 4 5 50 5 8 82 6 3 90 7 GND 8 0 15 9 GND 10 8 26 11 4 47 12 5 01 13 5 81 14 5 81 15 4 98 16 11 30 17 11 94 18 6 52 19 7 98 20 5 73 21 G...

Page 21: ...14 5 08 IC009 pin volt I 11 97 G GND O 5 15 27 28 29 30 A BOARD SCHEMATIC DIAGRAM MCM 19T1 VIDEO 1 2 3 4 5 A B C D E F G A VIDEO 4 5 A A DIODE D002 G4 D003 G3 D004 G4 D005 F2 D007 G2 D008 G2 D014 B5 D015 G4 D022 C5 D023 E4 D024 E4 D025 E5 D104 B2 D105 B2 D106 C2 D108 A4 D109 C2 D111 F3 D120 A3 D204 B2 D205 A2 D206 B2 D208 B3 D209 B2 D211 F3 D220 B3 D304 A2 D305 A2 D306 B2 D308 C4 D309 B2 D311 F2 D...

Page 22: ...8 5 02 9 0 47 10 0 04 11 0 48 CN1004 pin volt 1 0 56 2 0 06 3 0 12 4 0 19 5 0 30 6 GND 7 4 54 All voltages are in V All voltages are in V B C E Q1001 0 84 4 47 0 84 Q1002 0 91 5 03 0 91 All voltages are in V IC1001 pin volt 1 0 03 2 2 95 3 2 92 4 3 41 5 0 01 6 0 01 7 4 92 8 5 02 9 5 02 10 GND 11 5 03 12 0 00 13 0 00 14 0 41 15 5 06 16 4 16 17 3 92 18 2 48 19 3 83 20 0 32 21 5 02 22 0 12 23 5 03 24...

Page 23: ... USER CONTROL 1 2 3 4 5 6 A B C 7 H 35 36 H BOARD SCHEMATIC DIAGRAM MCM 19T1 8 9 10 5 mcm H schem semis p65 5 18 99 11 13 AM 1 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

Page 24: ... K1K2 2SC3941A Q TA 2SB1094 LK 2SC3209LK 2SA1175 HFE 2SC2785 HFE 2SC2611 2SA1162 G 2SC1623 L5L6 UPC5021 109 SN74HCT02ANS E20 2SC5022 02 IRFU110A IRFIBC44LCLF65 1RL1530GSLF33 2SK2098 01MR F119 1RF19634G LF35 FS7KM 18A AY 2SC5022 02 AN8037 CAT24WC16J TE13 TLV2262IDR TDA8177 TDA8138A STV5109 FMC 26UA CXD8766S JBK CXD8768Q TL431BCLPRA STK391 110 LM2403 PQ6RD83B 339VYUGW R2 SNY432 MC33269ST 33 2SC5530 ...

Page 25: ...B CONNECTOR 19 A 1298 781 C A COMPLETE PC BOARD 20 4 050 329 11 CUSHION A 21 4 047 316 01 SPRING EXTENSION REF NO PART NO DESCRIPTION REMARK REF NO PART NO DESCRIPTION REMARK Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The components identified by shading and mark are critical for safety Replace only wit...

Page 26: ...REMARK 51 1 765 719 21 CORD SET POWER 52 4 063 381 21 CUSHION UPPER ASSY 53 4 204 761 01 MANUAL INSTRUCTION 54 4 060 490 01 BAG POLYETHYLENE 55 4 063 382 21 CUSHION LOWER ASSY 56 4 204 766 01 INDIVIDUAL CARTON 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

Page 27: ... 11 CERAMIC CHIP 470PF 10 2KV C037 1 101 006 00 CERAMIC CHIP 0 047MF 50V C038 1 163 009 11 CERAMIC CHIP 0 001MF 10 50V C039 1 104 503 12 CERAMIC CHIP 0 1MF 10 100V C040 1 163 021 91 CERAMIC CHIP 0 01MF 10 50V C041 1 162 318 11 CERAMIC CHIP 0 001MF 10 500V C042 1 104 503 12 CERAMIC CHIP 0 1MF 10 100V C043 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C044 1 162 318 11 CERAMIC CHIP 0 001MF 10 500V C045 1 1...

Page 28: ...970 83 DIODE HSS82 D105 8 719 970 83 DIODE HSS82 D106 8 719 970 83 DIODE HSS82 D108 8 719 911 19 DIODE 1SS119 25 D109 8 719 901 83 DIODE 1SS83 D111 8 719 062 51 DIODE 1PS226 115 D120 8 719 911 19 DIODE 1SS119 25 D204 8 719 970 83 DIODE HSS82 D205 8 719 970 83 DIODE HSS82 D206 8 719 970 83 DIODE HSS82 D208 8 719 911 19 DIODE 1SS119 25 D209 8 719 901 83 DIODE 1SS83 D211 8 719 062 51 DIODE 1PS226 115...

Page 29: ...CHIP 1K 5 1 10W R032 1 216 025 91 RES CHIP 100 5 1 10W R033 1 216 057 00 RES CHIP 2 2K 5 1 10W R034 1 216 081 00 RES CHIP 22K 5 1 10W R045 1 216 057 00 RES CHIP 2 2K 5 1 10W R046 1 216 097 91 RES CHIP 100K 5 1 10W R047 1 216 073 00 RES CHIP 10K 5 1 10W R048 1 211 885 21 METAL OXIDE 2 2M 5 1W R049 1 216 093 91 RES CHIP 68K 5 1 10W R053 1 219 621 91 METAL OXIDE 22M 10 1 4W R054 1 216 049 91 RES CHIP...

Page 30: ... CHIP 0 047MF 10 25V C1011 1 110 530 11 ELECT 1000MF 20 6 3V C1012 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C1013 1 110 530 11 ELECT 1000MF 20 6 3V C1014 1 126 935 11 ELECT 470MF 20 6 3V C1015 1 163 037 11 CERAMIC CHIP 0 022MF 10 50V C1016 1 126 607 11 ELECT 47MF 20 4V C1017 1 126 935 11 ELECT 470MF 20 6 3V C1018 1 164 004 11 CERAMIC CHIP 0 1MF 10 25V C1019 1 126 607 11 ELECT 47MF 20 4V C1020 1 163 ...

Page 31: ... 12K 0 50 1 10W R1023 1 216 069 00 RES CHIP 6 8K 5 1 10W R1024 1 216 025 91 RES CHIP 100 5 1 10W R1025 1 216 049 91 RES CHIP 1K 5 1 10W R1026 1 216 113 00 RES CHIP 470K 5 1 10W R1027 1 216 019 00 RES CHIP 56 5 1 10W R1028 1 216 065 91 RES CHIP 4 7K 5 1 10W R1029 1 216 049 91 RES CHIP 1K 5 1 10W R1030 1 216 650 11 METAL OXIDE 910 0 50 1 10W R1031 1 216 648 11 METAL OXIDE 750 0 50 1 10W R1032 1 216 ...

Page 32: ...D1 4 067 380 01 TERMINAL D5 4 382 854 01 SCREW M3X8 P SW 4 382 854 11 SCREW M3X10 P SW 4 382 854 21 SCREW M3X14 P SW CAPACITOR C401 1 126 941 11 ELECT 470MF 20 25V C402 1 137 426 11 FILM 0 47MF 10 100V C403 1 126 969 11 ELECT 220MF 20 50V C404 1 126 941 11 ELECT 470MF 20 25V C406 1 137 366 11 FILM 0 0022MF 5 50V C407 1 137 367 11 FILM 0 0033MF 5 50V C409 1 126 968 11 ELECT 100MF 20 50V C501 1 137 ...

Page 33: ... CERAMIC CHIP 0 0039MF 10 50V C701 1 130 495 00 FILM 0 1MF 5 50V C702 1 136 177 00 FILM 1MF 5 50V C705 1 126 960 11 ELECT 1MF 20 50V C707 1 136 169 00 FILM 0 22MF 5 50V C709 1 126 941 11 ELECT 470MF 20 25V C711 1 162 134 11 CERAMIC CHIP 470PF 10 2KV C712 1 126 941 11 ELECT 470MF 20 25V C714 1 136 177 00 FILM 1MF 5 50V C715 1 137 370 11 FILM 0 01MF 5 50V C716 1 126 942 61 ELECT 1000MF 20 25V C717 1...

Page 34: ...9 053 19 DIODE UF4007G23 D618 8 719 970 83 DIODE HSS82 D619 8 719 050 84 DIODE RB441Q 40T 77 D631 8 719 911 19 DIODE 1SS119 25 D632 8 719 110 08 DIODE RD8 2ESB2 D633 8 719 982 36 DIODE MTZJ 39B D640 8 719 911 19 DIODE 1SS119 25 D641 8 719 109 63 DIODE RD3 0ESB2 D648 8 719 979 58 DIODE EGP10D D649 8 719 979 58 DIODE EGP10D D650 8 719 067 68 DIODE FMC 26UA D651 8 719 979 58 DIODE EGP10D D652 8 719 0...

Page 35: ...ISTOR 2SC2611 Q517 8 729 119 76 TRANSISTOR 2SA1175 HFE Q518 8 729 119 76 TRANSISTOR 2SA1175 HFE Q601 8 729 141 83 TRANSISTOR 2SB1094 LK Q602 8 729 046 72 TRANSISTOR IRFIBC44LCLF65 Q605 8 729 029 86 TRANSISTOR DTC124ESA Q606 8 729 029 86 TRANSISTOR DTC124ESA Q607 8 729 029 86 TRANSISTOR DTC124ESA Q640 8 729 029 86 TRANSISTOR DTC124ESA Q656 8 729 029 86 TRANSISTOR DTC124ESA Q657 8 729 029 86 TRANSIS...

Page 36: ... F R621 1 211 874 11 FUSIBLE 0 12 10 1 2W R622 1 211 874 11 FUSIBLE 0 12 10 1 2W R630 1 249 417 11 CARBON 1K 5 1 4W R631 1 249 417 11 CARBON 1K 5 1 4W R632 1 215 451 00 METAL OXIDE 18K 1 1 4W R633 1 215 455 00 METAL OXIDE 27K 1 1 4W R635 1 249 417 11 CARBON 1K 5 1 4W R636 1 249 417 11 CARBON 1K 5 1 4W R637 1 249 429 11 CARBON 10K 5 1 4W R638 1 215 463 00 METAL OXIDE 56K 1 1 4W R640 1 215 455 00 ME...

Page 37: ...00 METAL OXIDE 4 7K 1 1 4W R815 1 249 429 11 CARBON 10K 5 1 4W R816 1 249 405 11 CARBON 100 5 1 4W F R817 1 249 405 11 CARBON 100 5 1 4W F R818 1 249 405 11 CARBON 100 5 1 4W F R819 1 249 405 11 CARBON 100 5 1 4W F R820 1 249 405 11 CARBON 100 5 1 4W F R821 1 249 405 11 CARBON 100 5 1 4W F R901 1 249 429 11 CARBON 10K 5 1 4W R902 1 247 863 91 CARBON 22K 5 1 4W R903 1 215 477 00 METAL OXIDE 220K 1 ...

Page 38: ...TAL OXIDE 15K 1 1 4W R2012 1 215 437 00 METAL OXIDE 4 7K 1 1 4W R2013 1 215 429 00 METAL OXIDE 2 2K 1 1 4W R2014 1 215 421 00 METAL OXIDE 1K 1 1 4W R2015 1 215 417 00 METAL OXIDE 680 1 1 4W R2016 1 215 413 00 METAL OXIDE 470 1 1 4W R2017 1 215 409 00 METAL OXIDE 330 1 1 4W R2018 1 215 405 00 METAL OXIDE 220 1 1 4W R2019 1 215 431 00 METAL OXIDE 2 7K 1 1 4W R2020 1 249 407 11 CARBON 150 5 1 4W R202...

Page 39: ... 53 MCM 19T1 NOTES 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

Page 40: ...MCM 19T1 54 NOTES 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

Page 41: ... 55 MCM 19T1 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

Page 42: ...MCM 19T1 56 English 99EJ74014 1 Printed in U S A 1999 5 9 978 854 01 0 2 2 8 3 7 1 8 1 6 2 w w w c h i n a d s e o r g 0 2 2 8 3 7 1 5 6 6 7 ...

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