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SERVICE MANUAL

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MODEL

DEST.

CHASSIS NO.

MODEL

DEST.

CHASSIS NO.

DXF-51

JPN

SMC-340-A

DXF-51

US/CND

SMC-341-A

DXF-51

AEP

SMC-342-A

ELECTRONIC  VIEWFINDER

REVISED-1

Serial No. 30,001 and higher

Serial No. 10,001 and higher

Serial No. 40,001 and higher

DXF-51

US/CND/JPN

DXF-51

CE

Serial No. 100,001 and higher

Serial No. 400,001 and higher

Summary of Contents for DXF-51

Page 1: ... 51 JPN SMC 340 A DXF 51 US CND SMC 341 A DXF 51 AEP SMC 342 A ELECTRONIC VIEWFINDER REVISED 1 Serial No 30 001 and higher Serial No 10 001 and higher Serial No 40 001 and higher DXF 51 US CND JPN DXF 51 CE Serial No 100 001 and higher Serial No 400 001 and higher ...

Page 2: ...QUÉ DANS LE PRÉSENT MANUEL OU DANS DES SUPPLÉMENTS PUBLIÉS PAR SONY LES RÉGLAGES DE CIRCUIT DONT L IMPORTANCE EST CRI TIQUE POUR LA SÉCURITÉ DU FONCTIONNEMENT SONT IDENTIFIÉS DANS LE PRÉSENT MANUEL SUIVRE CES PROCÉDURES LORS DE CHAQUE REMPLACEMENT DE COMPOSANTS CRITIQUES OU LORSQU UN MAUVAIS FONCTIONNEMENT EST SUSPECTÉ WARNING This manual is intended for qualified service personnel only To reduce ...

Page 3: ...ustments 4 1 Preparation 4 1 E 4 2 Switching Power Output RV501 Adjustment 4 1 E 4 3 H V RV302 High Voltage Adjustment 4 1 E 4 4 H HOLD RV104 Adjustment 4 1 E 4 5 V HOLD RV103 Adjustment 4 1 E 4 6 V DUTY RV107 Adjustment 4 1 E 4 7 H LEN L302 Adjustment 4 1 E 4 8 H SIZE RV301 Adjustment 4 1 E 4 9 Heater Voltage Adjustment 4 1 E 4 10 V LIN RV105 Adjustment 4 2 E 4 11 V SIZE RV109 Adjustment 4 2 E 4 ...

Page 4: ...ws 6 2 6 3 Electrical Parts List 6 6 7 Block Diagrams Overall 7 1 8 Diagrams 8 1 Schematic Diagrams and Printed Wiring Boards 8 2 Schematic Diagrams A 8 3 H2 A H2 B 8 3 G 8 7 H1 8 7 Q 8 7 D 8 9 P 8 9 Printed Wiring Boards A 8 2 H2 A H2 B 8 2 G 8 6 H1 8 6 Q 8 6 D 8 8 P 8 8 ...

Page 5: ...erence at his own expense You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment Owner s Record The model and serial numbers are located at the rear Record the serial number in the space provided below Refer to these numbers whenever you call upon your Sony dealer regarding this product Model No DXF 51 Serial No...

Page 6: ...itch set to on 4 LOCK screw Adjusts the angle of viewfinder in the vertical direction 5 D sub 26 pin connector Connects 20 pin connector supplied to the VF viewfinder connector of the host camera This connector carries the video signal tally signal and power 1 TALLY G indicator green 9 TALLY ON OFF switch 0 PEAKING ON OFF switch qa PEAKING control qs SHUTTER GAIN indicator qd R indicator qf Auxili...

Page 7: ...trols to give the best possible picture Loosen the LOCK screw to adjust the angle of the viewfinder that you want After you finished the adjustment tighten the LOCK screw to fix the angle 90 40 90 40 40 27 Specifications Picture tube 5 inch monochrome 70 degree deflection Video signal EIA standard CCIR standard Scanning system 2 1 interlace 525 lines 2 1 interlace 625 lines Scan 5 underscan High v...

Page 8: ...1 4 E DXF 51 Printed in Malaysia ...

Page 9: ...E DXF 51 2 2 Disassembly 2 2 1 Stand Assy Removal Section 2 Service Informations 2 1 Board Layout H2 B H2 A D P G A Q H1 1 Screw 2 Knob L 3 Stopper 4 Screw 8 Scew 9 Stand assembly 7 Stopper 6 Knob R 5 Screw ...

Page 10: ...2 2 E DXF 51 2 2 3 Back Cover Removal 1 Two screws 1 Two screws 2 Rear cover 1 Two screws 1 Two screws 2 CN601 3 CN201 602 4 Screw 5 Lug 6 Bezel assy 2 2 2 Bezel Assy Removal ...

Page 11: ...2 3 E DXF 51 2 2 4 D Board Removal 1 Three connectors CN301 303 304 2 Four screws 3 Two connectors CN302 305 4 D board ...

Page 12: ...2 4 E DXF 51 2 Two connectors CN501 502 1 Four screws 4 Four screws 3 G board 6 P board 5 Two connectors CN401 402 2 2 5 G and P Boards Removal ...

Page 13: ... the serial No 10001 30000 UC 40001 100000 AEP as shown replace the A board together with the P board at the same time 1 Two screws 3 Lug 2 Two screws 5 Two connectors CN104 107 6 Three connectors CN103 109 110 7 Two connectors CN102 105 8 Two screws 9 board 8 Two screws 4 Three connectors CN101 106 108 ...

Page 14: ...ubber cap and pulling up it in the direction of the arrow c 2 2 8 Removal of Anode Cap n Short circuit the anode of the picture tube and the anode cap to the metal chassis picture tube shield or carbon painted on the picture tube after removing the anode Removal Procedure Handling Precautions 1 Do not scratch the surface of anode cap with a sharp object 2 Do not press the rubber so hard that it da...

Page 15: ... connector CN702 3 Connect a high voltage meter to the HV pin of FBT301 on the P board 4 Confirm that the voltage is below DC15 kV when both BRIGHT and CONTRAST are set to the minimum position 5 Confirm that the voltage is below DC13 5 kV when both BRIGHT and CONTRAST are set to the maxi mum position 6 Connect the C304 removed in step1 B Confirmation 1 Connect a digital voltmeter to the TP302 2 Co...

Page 16: ......

Page 17: ...HOLD RV104 Adjustment Preparation No signal input 1 Connect a frequency counter to TP111 2 Adjust RV104 to attain 15 734 0 1 kHz 4 5 V HOLD RV103 Adjustment Preparation No signal input 1 Connect a frequency counter to TP112 2 Adjust RV103 to attain 42 1Hz 4 6 V DUTY RV107 Adjustment 1 Enter PAL signal or NTSC signal to pin 6 of a D sub 26 pin connector CN702 2 Connect an oscilloscope to TP114 and ...

Page 18: ...espectively 2 Adjust RV102 so as to attain the brightness on same level as black out 4 15 FOCUS RV111 Adjustment 1 Adjust RV111 so as to attain the best focus of screen Specification Center resolution 650 TV or more 4 16 Deflecting Yoke Tilt Adjustment n Do not adjust this except when CRT is replaced 1 If an image tilts to the screen loosen a clamp band screw and rotate the deflecting yoke to elim...

Page 19: ...11 TP118 TP103 TP112 TP114 RV107 RV104 RV103 1 RV110 1 RV102 1 RV108 1 RV111 1 RV105 Conponent side RV302 RV301 JP302 JP301 L302 RV501 A board Conductor side D board Conductor side D board Component side G board Conductor side A board Conductor side Serial No 100001 UC J Serial No 400001 CE Serial No 10001 UC Serial No 30001 J Serial No 40001 AEP ...

Page 20: ......

Page 21: ...P 2SA1576A T106 Q 2SA1576A T106 R 2SC3722K R 2SC4081T106R 2SC4178 F14 2SC4178 T1F14 2SD1328 RST TX E B C 2SB1548 2SD2374 B C E 2SC3518 ZL E2 2SC3518L C C B E 2SC4080 E B C 2SJ246S TL D D G S 2SK2012 G D S 2SK664 2SK664 TX S G D 1SS184 MA152WK TX 1 2 3 1 2 3 DSA3A2 CATHODE ANODE ERA22 06TP1 ERA22 08 RD2 0SB T1 CATHODE ANODE ERC25 04S ERC81 004 CATHODE ANODE ESJA57 04AT CATHODE ANODE LD 001DU LD 001...

Page 22: ......

Page 23: ... Parts List has the present standardized repair parts 3 Stock of Parts Parts marked with o at SP Supply Code column of the Spare Parts list may not be stocked Therefore the delivery date will be delayed Items with no part number and no description are not stocked because they are seldom required for routine service 4 Units for Capacitors Inductors and Resistors The following units are assumed in S...

Page 24: ... Views BOLT HEXAGON SOCKET 4 x 20 B3 x 4 BOLT HEXAGON SOCKET 4 x 20 PTP2 6 x 5 PTP2 6 x 5 PTP2 6 x 5 PTP2 6 x 5 B3 x 12 B3 x 12 BTP3 x 8 B3 x 14 B3 x 14 PTP 2 6 x 8 PTP2 6 x 8 6 11 7 5 12 9 10 2 1 4 3 8 Mask Cover Assemblies ...

Page 25: ... PLATE SWITCH 7 3 709 226 01 o MASK UPPER LED 8 3 709 227 01 o MASK LOWER LED 9 3 709 228 01 o COVER REAR 10 3 709 229 01 o COVER LAMP 11 3 709 250 01 o MASK CRT 12 9 939 875 02 o MOUNTED CIRCUIT BOARD H1 Screws Washers 7 682 545 09 s SCREW B 3X4 7 682 550 09 s SCREW B 3X12 7 682 551 09 s SCREW B 3X14 7 683 425 04 s BOLT HEXAGON SOCKET 4X20 7 685 132 19 s SCREW PTP 2 6X5 7 685 134 19 s SCREW PTP 2...

Page 26: ... 8 B3 x 25 N4 Type2 N3 Type2 LW3 K2 x 6 B3 x 6 B3 x 6 B3 x 6 B3 x 6 B3 x 6 B3 x 6 B3 x 6 B3 x 6 B3 x 6 B3 x 6 P4 x 12 110 113 119 108 112 109 121 110 115 103 105 102 114 104 106 107 118 117 116 101 111 120 Chassis CRT Assemblies ...

Page 27: ...WER 108 3 709 234 01 o BAND CRT 109 3 709 235 01 o RING CRT RETAINING 110 3 709 236 01 o HOOK 111 3 709 237 01 o CHASSIS MAIN 112 3 709 238 01 s SPRING 113 4 855 006 11 s SLEEVE L14 114 1 9 939 870 02 o MOUNTED CIRCUIT BOARD A 115 9 939 878 02 o MOUNTED CIRCUIT BOARD Q 116 9 939 887 02 o MOUNTED CIRCUIT BOARD D 117 1 9 939 889 02 o MOUNTED CIRCUIT BOARD P INCLUDING FBT 118 9 939 894 02 o MOUNTED C...

Page 28: ...1MF 25V C143 1 163 127 00 s CAPACITOR CHIP CERAMIC 270PF C144 1 107 689 21 s CAPACITOR TANTALUM 1MF 35V C145 1 104 919 11 s CAPACITOR TANTALUM 10MF 25V C146 1 104 919 11 s CAPACITOR TANTALUM 10MF 25V C147 1 104 919 11 s CAPACITOR TANTALUM 10MF 25V A BOARD Ref No or Q ty Part No SP Description C148 1 104 919 11 s CAPACITOR TANTALUM 10MF 25V C149 9 939 858 01 s CAPACITOR ELECT 100UF 16V C150 9 885 0...

Page 29: ...RD Ref No or Q ty Part No SP Description R133 1 216 055 00 s RESISTOR CHIP 1 8K 1 10W 2012 R134 1 216 046 00 s RESISTOR CHIP 750 1 10W 2012 R135 1 216 079 00 s RESISTOR CHIP 18K 1 10W 2012 R136 1 216 025 00 s RESISTOR CHIP 100 1 10W 2012 R137 1 216 042 00 s RESISTOR CHIP 510 1 10W 2125 R139 1 216 057 00 s RESISTOR CHIP 2 2K 1 10W 2012 R140 1 208 771 11 s RESISTOR CHIP 360 1 10W 2012 R141 1 216 046...

Page 30: ...R239 1 1 216 101 00 s RESISTOR CHIP 150K 1 10W 2012 R239 2 1 216 104 00 s RESISTOR CHIP 200K 1 10W 2012 R240 1 216 025 00 s RESISTOR CHIP 100 1 10W 2012 R241 1 216 025 00 s RESISTOR CHIP 100 1 10W 2012 R242 1 216 081 00 s RESISTOR CHIP 22K 1 10W 2012 R243 1 216 142 00 s RESISTOR CHIP 4 7 1 8W 3216 R244 1 216 142 00 s RESISTOR CHIP 4 7 1 8W 3216 R245 1 216 097 00 s RESISTOR CHIP 100K 1 10W 2012 R24...

Page 31: ...B T1 D306 8 719 068 64 s DIODE MA143A TX SO IC301 8 759 095 59 s IC M5237ML TP1 IC302 8 759 824 98 s IC BA15218F E2 L301 1 9 939 883 01 s COIL INDUCTOR 250uH L301 2 9 885 015 36 s COIL INDUCTOR 250uH L302 1 9 939 884 01 s COIL HLC L302 2 9 885 015 38 s HLC VF 60 Q301 9 939 809 01 s TRANSISTOR 2SK2012 Q303 9 939 806 01 s TRANSISTOR 2SB1548 Q305 8 729 905 38 s TRANSISTOR 2SC4081T106R Q306 8 729 026 ...

Page 32: ...216 001 00 s RESISTOR CHIP 10 1 10W 2012 R504 1 216 017 00 s RESISTOR CHIP 47 1 10W 2012 R505 1 216 679 11 s RESISTOR CHIP 15K 1 10W 2012 R506 1 216 672 11 s RESISTOR CHIP 7 5K 1 10W 2012 R507 1 216 672 11 s RESISTOR CHIP 7 5K 1 10W 2012 R508 1 216 661 11 s RESISTOR CHIP 2 7K 1 10W 2012 R509 1 216 101 00 s RESISTOR CHIP 150K 1 10W 2012 R510 1 216 073 00 s RESISTOR CHIP 10K 1 10W 2012 RV501 1 1 225...

Page 33: ...01 s CONNECTOR TX20A ACCESSORIES Ref No or Q ty Part No SP Description 1 782 352 11 s CABLE B VF 20P 26P 1 782 353 11 s CABLE A VF 8P 26P 3 167 517 01 s PLATE NUMBER 3 167 525 02 o HOOD VF 3 859 686 01 s MANUAL INSTRUCTION JAPANESE ITALIAN CHINESE 4 058 477 01 o INDIVIDUAL CARTON 4 058 478 01 o CUSHON UPPER ASSY 4 058 481 01 o CUSHON LOWER X 3705 096 1 o STAND ASSY ...

Page 34: ......

Page 35: ...7 1 DXF 51 7 1 Overall Overall Section 7 Block Diagrams ...

Page 36: ......

Page 37: ...pair Caution when replacing chip parts New parts must be attached after removal of the chip Be careful not to heat the minus side of a tantalum capacitor because it is easily damaged by the heat Reference information RESISTOR RN METAL FILM RC SOLID FPRD NONFLAMMABLE CARBON FUSE NONFLAMMABLE FUSIBLE RS NONFLAMMABLE METAL OXIDE RB NONFLAMMABLE CEMENT RW NONFLAMMABLE WIREWOUND ADJUSTMENT RESISTOR COI...

Page 38: ...Q102 I 5 Q103 H 2 Q104 E 5 Q105 D 4 Q106 G 4 Q107 F 6 Q108 G 4 Q109 G 5 Q110 H 5 Q111 F 5 Q113 L 8 Q115 M 2 Q116 M 10 Q117 L 9 Q118 M 9 Q120 M 8 Q121 M 8 Q122 M 8 Q123 H 7 Q124 C 7 Q124 C 7 Q125 E 7 Q125 E 7 Q126 F 7 Q127 F 7 Q128 F 7 Q129 E 7 Q130 E 7 Q131 C 7 Q132 L 5 Q133 K 5 Q134 K 3 Q135 E 5 RV102 F 6 RV103 I 7 RV104 H 9 RV105 D 6 RV107 F 8 RV108 D 7 RV109 C 9 RV110 G 7 RV111 A 8 TP101 C 4 TP...

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Page 40: ...104 E 5 Q105 D 4 Q106 G 4 Q107 F 6 Q108 G 4 Q109 G 5 Q110 H 5 Q111 F 5 Q113 L 8 Q115 M 2 Q116 M 10 Q117 L 9 Q118 M 9 Q120 M 8 Q121 M 8 Q122 M 8 Q123 H 7 Q124 C 7 Q124 C 7 Q125 E 7 Q125 E 7 Q126 F 7 Q127 F 7 Q128 F 7 Q129 E 7 Q130 E 7 Q131 C 7 Q132 L 5 Q133 K 5 Q134 K 3 Q135 E 5 RV102 F 6 RV103 I 7 RV104 H 9 RV105 D 6 RV107 F 8 RV108 D 7 RV109 C 9 RV110 G 7 RV111 A 8 TP101 C 4 TP102 F 3 TP103 F 3 T...

Page 41: ... 10µ 16V 33k 22k 0 0 0 0 0 0 TC7W08F 22k 2SC4081 VIDEO BUF1 2 2k 22k 2SC4081 RIPPLE FLT 10k 3k 1k 10k 2 2 47 16V 2SC4081 VIDEO BUF2 82µ 2SC4178 VIDEO AMP 2SC4081 VIDEO BUF3 10 16 2SC4178 PEAK AMP1 2SC4081 PEAK AMP2 2SC4081 PEAK BUF 4 7k 100k 2SC4080 VIDEO OUT 8 2k 2W 10k 220 2SC4080 VIDEO BUF 4 7k 12k 10 2SC4080 CLAMP 3 3M 100k 3 3k 10k 6 8k 2SC4081 PEAK BUF2 5 1k 220 1 100 4P 1M 1000 16V 100 16V ...

Page 42: ...104 IC113 HA11423MP IC108 MC74HC4538AF IC109 TC4W66F IC102 1 2 3 4 5 6 7 8 9 10 18 17 16 15 14 13 12 11 X RAY TREQ H O P H OSC PHASE DET SYNC SEP BLK VERT DRIVE VERT OSC VERT TREQ Vcc V Vcc H 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 1 C 1 CR 1 RD 1 CK 1 CK 1 Q 1 Q GND VDD 2 C 2 CR 2 RD 2 CK 2 CR 2 Q 2 Q 1 2 3 4 8 7 6 5 IN OUT 1 OUT IN 1 CONT 2 GND VCC CONT 1 OUT IN 2 IN OUT 2 1 2 3 4 5 6 7 8 9 10 16...

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Page 44: ...ponent side H1 Conductor side Q Component side Q Conductor side G H1 Q G H1 Q 8 6 b 8 6 b G BOARD Conductor side D501 F 6 D502 B 2 IC501 F 4 Q501 G 4 Q502 G 5 Q503 E 4 RV501 E 2 TP501 H 6 TP502 H 6 TP503 H 2 Serial No 100001 UC J Serial No 400001 CE ...

Page 45: ......

Page 46: ...nt side G Conductor side H1 Component side H1 Conductor side Q Component side Q Conductor side G BOARD Conductor side D501 F 6 D502 B 2 IC501 F 4 Q501 G 4 Q502 G 5 Q503 E 4 RV501 E 2 TP501 H 6 TP502 H 6 TP503 H 2 Serial No 10001 UC Serial No 30001 J Serial No 40001 AEP ...

Page 47: ...50kV 5kV 2kV 13P CONT 1 CONT 2 CONT 3 BRT 1 BRT 2 BRT 3 TALLY SW TALLY SW PEAKING SW PEAKING SW PEAKING 1 PEAKING 2 PEAKING 3 TO A BOARD CN106 H1 USER CONTROL ON BRIGHT TALLY SW PEAKING SW PEAKING CONTRAST OFF ON OFF B SS452 J H1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CN702 CN701 NC REC TALLY INDICATION BATTERY INDICA...

Page 48: ...e P Component side P Conductor side D BOARD Conductor side D301 D 9 D303 E 8 D304 F 6 D305 D 5 D306 D 4 IC301 C 5 IC302 C 4 Q301 D 8 Q303 D 5 Q305 E 2 Q306 E 2 RV301 C 7 RV302 C 3 TP301 C 1 TP302 C 1 TP303 E 1 TP304 E 8 Serial No 100001 UC J Serial No 400001 CE ...

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Page 50: ...r side P Component side P Conductor side D BOARD Conductor side D301 D 9 D303 E 8 D304 F 6 D305 D 5 D306 D 4 IC301 C 5 IC302 C 4 Q301 D 8 Q303 D 5 Q305 E 2 Q306 E 2 RV301 C 7 RV302 C 3 TP301 C 1 TP302 C 1 TP303 E 1 TP304 E 8 Serial No 10001 UC Serial No 30001 J Serial No 40001 AEP ...

Page 51: ...081 2SA1576 4 7 16V MA143A 0 1 0 1 10k 2 2 0 022 400 2P 0 10 16V 47 100V PP 3P 3P 2SK2012 HV REG 6P 2P 220k 1 4W 2SK2012 0 1 0 6 2k 5k 15k MA143A TX SO BA15218F E2 BA15218F E2 2SB1548 P RD2 0SB T1 M5237ML TP1 YG911S2R 5 1 5 1 ERA22 06 ERC25 04S ALB 1 4 2 3 8 5 7 6 1 2 3 TO G BOARD CN502 FBT B1 HEATER1 HV REF 70V1 HEATER 70V FBP2 HD2 9 5V H DY H DY E E HV REG HV REG E E L901 1 DY H H DY H DY E E HV...

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Page 53: ...commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate ...

Page 54: ...Sony Corporation B P Company 9 922 654 02 Japanese English 01HY16 2 Printed in Japan 1997 3 ...

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