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2-1

Disassemble procedures

1. Mounting Unit Removal

Unscrew 2 screws (A) so that the mounting plate can

be removed.

2. Microphone Holder Removal

1. Unscrew 1 screw (B) so that the microphone

holder can be opened as shown figure below.

2. Unscrew 2 screws (C) so that the microphone

holder can be removed.

3. Eye Piece Rubber Removal

1. 

Carefully tear off the portions of the Eye piece.

Note

: When assembling the eye piece unit, align

the markers as shown in the figure above.

4. Eye Piece Unit Removal

1.  Rotate the rock rings fully CW direction so that

the eye piece unit can be pulled out.

screw (B)

screw (C)

(A)

(A)

rock rings

Line

Screw(A)

Summary of Contents for AJ-VF15BP

Page 1: ...w Finder 2 inch Electronic View Finder AJ VF15BP E AJ VF20WBP E Please use this manual together with the service manual for Model No AJ VF15BP E AJ VF20WBP E Order No VSD9908M905 2004 Matsushita Elect...

Page 2: ...Unauthorized copying and distribution is a violation of law Please refer to the Operating Instructions in the appendix folder Go to Appendix List 1 Service Manual for AJ VF15BP E AJ VF20WBP E 2...

Page 3: ...hts reserved Unauthorized copying and distribution is a violation of law Operating Instructions Disassembly procedures Electrical adjustment procedures Block Diagrams Schematic Diagrams Circuit Board...

Page 4: ...en size adjustment 3 2 2 6 Brightness adjustment 3 3 2 7 High voltage regulator adjustment 3 3 2 8 Heater voltage adjustment 3 3 2 9 Peaking balance adjustment 3 3 3 Electrical Adjustment AJ VF20W 3 1...

Page 5: ...SECTION 1 OPERATING INSTRUCTIONS CONTENTS Precautions for Use 1 1 1 2 Parts and their Functions 1 2 Adjusting the Viewfinder 1 3 Mounting the Microphone...

Page 6: ...tion CRT delivers superb picture sharpness making focusing easier OThe low flare CRT makes the screen clear and easy on the eyes OThe large eyecup aperture makes it possible to see the screen even whe...

Page 7: ...t Tally Lamp 6 Loosen this lever to adjust the viewfinder position in the forward backward right or left direction Viewfinder Forward Backward Left Right Position Clamp Lever 7 Lights when the VCR is...

Page 8: ...crews 3 Secure the mounting unit in place with the two screws 2 Replace the three screws in the positions indicated as A or B from the present positions and change the position of the metal fitting Ca...

Page 9: ...iewfinder BRIGHT and CONTRAST controls to adjust the picture brightness and contrast Turning the PEAKING control makes the picture appear sharper A sharper picture facilitates focusing the lens 2 Turn...

Page 10: ...nd remove it Note Do not wipe the mirror surface under any circumstances as it has been specially treated Dust which has adhered to the mirror should be blown away with a blower etc Eyepiece Lock ring...

Page 11: ...3 Eye Piece Rubber Removal 2 1 4 Eye Piece Unit Removal 2 2 5 Upper Case Removal 2 2 6 Bottom Case Removal 2 2 7 CRT Unit Removal 2 3 8 Sub 1 P C Board Removal 2 3 9 Sub 2 P C Board Removal 2 3 10 MA...

Page 12: ...shown figure below 2 Unscrew 2 screws C so that the microphone holder can be removed 3 Eye Piece Rubber Removal 1 Carefully tear off the portions of the Eye piece Note When assembling the eye piece un...

Page 13: ...wing connectors Note When assembling the case make sure that the gaskets are not degraded 7 CRT Unit Removal 1 Unscrew 2 screws E and 1 screw F 2 Slowly and carefully pullout the CRT unit Caution 1 Do...

Page 14: ...Do not lose the switch gasket When assembling the case make sure that the switch gasket is not degraded 10 MAIN P C Board Removal 1 Carefully disconnect connectors CN1 so that the EVF Cable can be re...

Page 15: ...A and unscrew 4 screws J so that the CRT unit can be removed 1 Unscrew 4 screws K so that the LED P C Board can be removed 13 Back Tally Base Removal Unscrew 2 screws L so that the Back Tally Base ca...

Page 16: ...ss adjustment 3 3 2 7 High voltage regulator adjustment 3 3 2 8 Heater voltage adjustment 3 3 2 9 Peaking balance adjustment 3 3 3 Electrical Adjustment AJ VF20W 3 1 Power voltage adjustment 3 4 3 2 V...

Page 17: ...de by resin The camera recorder becomes necessary separately for the all kind control such as the aspect changing to the others 1 2 Adjustment preparation Execute an adjustment under the following env...

Page 18: ...CUS M EQ Digital Volt meter Use High voltage prove 1 Set the CONTRAST VR BRIGHT VR to the center and PEAKING VR to the minimum position 2 Connect the high voltage voltmeter with the high voltage prove...

Page 19: ...brightness of the pedestal portion changes from bright to just dark Figure 3 2 7 High voltage regulator Adjustment BOARD MAIN BOARD SPEC 6 0V 0 1V TEST TP11 IC9 7pin ADJUST RV6 OPAMP ADJ M EQ Digital...

Page 20: ...is within the specifica tion 3 2 V Hold Adjustment BOARD MAIN BOARD SUB1 BOARD SPEC 48 0 5Hz NTSC 38 0 5Hz PAL TEST TP12 Pin 4 of CN2 MAIN BOARD ADJUST RV2 V HOLD SUB1 BOARD M EQ Frequency Counter 1 A...

Page 21: ...camera recorder in the 3 4 mode so that the EVF screen is 16 9 2 Adjust RV3 and RV8 so that the width of H blanking at the both side is 1 5 scale as shown figure 6 3 Adjust the centering magnet so th...

Page 22: ...een is 16 9 too 3 Connect the digital voltmeter to TP11 4 Adjust RV6 so that the voltage is 6 0V 0 1V 3 8 Heater Voltage Adjustment BOARD MAIN BOARD SPEC 635mV 15mV DC TEST TP5 Hot TP6 GND Pins 3 4 CN...

Page 23: ...5 E13 Page CBA 4 THIS SIGNAL IS CONNECTED TO NEXT SCHEMATIC PLEASE REFER TO VIDEO C 3 SCHEMATIC DIAGRAM 4 5 E13 Page CBA 4 NAME OF SGNAL TITLE OF CIRCUIT CIRCUIT NO EX 2 4 RY Mark Parts value see tabl...

Page 24: ...NGUISH THE PRIMARY FROM THE SECONDARY CIRCUIT PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF THE PRODUCTS IMPORTANT SAFETY NOTICE CAUTION CONTENTS EVF BLOCK DIAGRAMS BLK1...

Page 25: ...CAL DRIVE 16 2 18 V BLK TP13 TP14 2 HD OUT C21 2 V DY 1 V DY C22 V SIZE 16 9 V SIZE 4 3 RV5 RV3 RV4 V LIN R18 JP1 R17 TP1 NTSC SHORT PAL OPEN 4 6 V HOLD RV2 Q4 VF15 MODEL ONLY 9V CN21 10 9V OUT CN21 4...

Page 26: ...20V TA CA C28 470p 1KV C29 4 7U 50V C27 3 2 4 7U 20V TA CA C26 4700p 50V B C30 27U 63V C16 220p 50V CH C19 47p 50V CH C20 0 1U 25V B C40 C23 NM C25 100V 5600 C33 NM Q6 K1254L L2 D7 RLS245 D8 DAN202U D...

Page 27: ...23 3 3U 20V TA CA C24 0 1U 25V B R35 47K R2 470K D2 DAN202U R19 5 6K R30 100K C27 470U 16V AL C C26 5600p 50V B R32 470 RV3 500 R31 560 RV4 500 RV5 500 R34 470 Q4 K664 R33 10 R29 47K R5 27K R4 12K R16...

Page 28: ...10 Q3 C4178 R7 3 3K R5 100 R6 Q2 C4081 R12 1 8K R14 22K R16 100 R15 510 RV2 500 Q5 C4178 R18 2 7K Q6 C4178 TP15 R17 100 C15 1U 16V F R44 10K R45 1K R11 1 8K R13 39K 2 1 3 2 R20 510 R21 3K 2 2 R22 6 8K...

Page 29: ...sembly in production it will no longer be available Abbreviations for part NAME DESCRIPTIONS C CAPACITOR CERAMIC CAPACITOR C CAPACITOR CH CERAMIC CHIP CAPACITOR E CAPACITOR ELECTROLYTIC CAPACITOR G CA...

Page 30: ...CONTENTS Packing Parts Assembly PRT1 PRT2 Mechanical Parts Assembly PRT4 Electrical Replacement Parts List...

Page 31: ...o Part Name Description Pcs Remarks 1 VQT8082 OPERATING INSTRUCTION 1 2 VPG0A71 PACKING CASE 1 3 VPN5247 CUSHION A 1 4 VPN5248 CUSHION B 1 5 VPN5249 CUSHION C 1 6 VPN5250 CUSHION D 1 7 VPN5251 CUSHION...

Page 32: ...90 MASK SPACER 1 24 VMG1221 LENS LOCK PACKING 1 25 VMX2886 SLIP RING 1 26 VGP5040 OUT SIDE HOLDER 1 27 VDW0638 LENS CASE 1 28 VMG1224 EYE CAP 1 29 VMX1558 NYLON WASHER 2 30 VGM1657 LOCK BASE 1 31 VGM1...

Page 33: ...1 4 2 3 50 51 7 10 9 53 54 55 6 5 11 8 56 24 25 26 27 28 12 13 14 59 59 15 16 57 E2 E1 E3 58 17 18 23 E4 21 20 63 63 62 64 61 19 61 52 2 PRT 3 MECHANICAL PARTS ASSEMBLY...

Page 34: ...ERJ6GEYG104 M RESISTOR CH 1 10W 100K 3 C24 VCF01AP822 P CAPACITOR 10V 8200P 1 R36 ERJ6GEYG103 M RESISTOR CH 1 10W 10K 1 C26 ECUM1H472KBN C CAPACITOR CH 50V 4700P 1 R37 ERJ6GEYG102 M RESISTOR CH 1 10W...

Page 35: ...0V 220P 1 C22 ECUM1H153KBN C CAPACITOR CH 50V 0 015U 1 C1 C2 VCS1DQ106 E CAPACITOR 20V 10M 2 C23 VCS1DQ335 E CAPACITOR 20V 3 3M 1 C3 VCS1AQ226 E CAPACITOR 10V 22M 1 C24 ECUX1E104KBN C CAPACITOR CH 25V...

Page 36: ...ERJ6GEYF472M RESISTOR CH 1 10W 4 7K 1 R30 ERJ6GEYG101 M RESISTOR CH 1 10W 100 1 R31 ERJ6GEYF822M RESISTOR CH 1 10W 8 2K 1 R32 ERJ6GEYG821 M RESISTOR CH 1 10W 820 1 R33 ERJ6GEYG162 M RESISTOR CH 1 10W...

Page 37: ...G1219 TALLY SHEET 1 15 VMG1225 SWITCH PACKING 1 16 VMZ2914 INSULATION 1 17 VHD1264 VR NUT 3 18 VGU8171 VR KNOB 3 20 VGH4300 DISPLAY PLATE 1 21 VMZ2915 MASK SHEET 1 23 VMX2890 MASK SPACER 1 24 VMG1221...

Page 38: ...APACITOR 10V 5600P 1 R32 ERJ6GEYG102 M RESISTOR CH 1 10W 1K 1 C26 ECUM1H472KBN C CAPACITOR CH 50V 4700P 1 R33 35 ERJ6GEYG104 M RESISTOR CH 1 10W 100K 3 C27 VCS1DQ475 E CAPACITOR 20V 4 7M 1 R36 ERJ6GEY...

Page 39: ...0V 22M 1 C19 ECUM1H472KBN C CAPACITOR CH 50V 4700P 1 C4 ECUM1H330JCN C CAPACITOR CH 50V 33P 1 C20 VCEV1CBJ101E CAPACITOR 16V 100U 1 C5 VCS1DQ106 E CAPACITOR 20V 10M 1 C21 ECUM1H221JCN C CAPACITOR CH 5...

Page 40: ...31 ERJ6GEYF822M RESISTOR CH 1 10W 8 2K 1 R32 ERJ6GEYG821 M RESISTOR CH 1 10W 820 1 R33 ERJ6GEYG162 M RESISTOR CH 1 10W 1 6K 1 R34 ERJ6GEYG103 M RESISTOR CH 1 10W 10K 1 R35 ERJ6GEYF393M RESISTOR CH 1 1...

Page 41: ...ALLY SHEET 1 15 VMG1225 SWITCH PACKING 1 16 VMZ2914 INSULATION PLATE 1 17 VHD1264 VR NUT 3 18 VGU8171 VR KNOB 3 20 VGH4300 DISPLAY PLATE 1 21 VMZ2915 MASK SHEET 1 23 VMX2890 MASK SPACER 1 24 VMG1221 L...

Page 42: ...ibution is a violation of law ORDER NO BSD04090210 D25 1 5 inch Electronic View Finder AJ VF15BP E 2 inch Electronic View Finder AJ VF20WBP E Please file and use this manual together with the service...

Page 43: ...resolution 600 lines center typical 4 3 mode Image system 525 lines 60 fields AJ VF15BP AJ VF20WBP 625 lines 50 fields AJ VF15BE AJ VF20WBE External adjustment controls Controls BRIGHT CONTRAST PEAKIN...

Page 44: ...14 59 59 15 16 57 E2 E1 E3 58 17 18 23 E4 21 20 63 63 62 64 65 19 65 PRT 1 MECHANICAL PARTS ASSEMBLY RELEASE 60 31 61 2 8 2 6 2 4 2 5 2 7 4 4 1 5 0 5 1 5 2 2 1 1 3 4 0 4 1 3 9 3 8 3 7 4 2 4 3 3 6 2 9...

Page 45: ...N 4 1 L E D 2 3 V M X 2 9 2 1 M A S KS P A C E R 1F O RA J V R 1 5 B P E 2 3 V M X 2 8 9 0 M A S KS P A C E R 1F O RA J V F 2 0 W B P E 2 4 V M G 1 2 2 1 L E N SL O C KP A C K I N G 1 2 5 V M X 3 2 4...

Page 46: ...ption Pcs Remarks 9 1 VQT0L51 OPERATING INSTRUCTION 1 9 VQL9822 2 VPG0A71 PACKING CASE 1 10 VQL0A24 PACKING LABEL 3 VPN5247 CUSHION A 1 KH82 05 PROTECT BAG 4 VPN5248 CUSHION B 1 5 VPN5249 CUSHION C 1...

Page 47: ...CAPACITOR 100V 8200P 1 R32 ERJ6GEYG102 M RESISTOR CH 1 10W 1K 1 C26 ECUM1H472KBN C CAPACITOR CH 50V 4700P 1 R33 35 ERJ6GEYG104 M RESISTOR CH 1 10W 100K 3 C27 VCS1DQ475 T CAPACITOR CH 20V 4 7U 1 R36 E...

Page 48: ...APACITOR CH 25V 0 023U 1 C14 15 ECUX1E104KBN C CAPACITOR CH 25V 0 1U 2 E3 VEP20782B SUB 2 P C BOARD 1 RTL C16 17 VCS1VQ105 T CAPACITOR CH 35V 1U 2 C18 WBCC01101J1H C CAPACITOR CH 50V 100P 1 C19 ECUM1H...

Page 49: ...1 10W 560 1 R28 ERJ6GEY0R00 M RESISTOR CH 1 10W 0 1 R29 ERJ6GEYF472 M RESISTOR CH 1 10W 4 7K 1 R30 ERJ6GEYG101 M RESISTOR CH 1 10W 100 1 R31 ERJ6GEYF822 M RESISTOR CH 1 10W 8 2K 1 R32 ERJ6GEYG821 M RE...

Page 50: ...CAPACITOR 100V 8200P 1 R32 ERJ6GEYG102 M RESISTOR CH 1 10W 1K 1 C26 ECUM1H472KBN C CAPACITOR CH 50V 4700P 1 R33 35 ERJ6GEYG104 M RESISTOR CH 1 10W 100K 3 C27 VCS1DQ475 T CAPACITOR CH 20V 4 7U 1 R36 E...

Page 51: ...C12 ECHU1C472J5 P CAPACITOR 16V 4700P 1 C13 ECUM1E223KBN C CAPACITOR CH 25V 0 023U 1 C14 15 ECUX1E104KBN C CAPACITOR CH 25V 0 1U 2 C16 17 VCS1VQ105 T CAPACITOR CH 35V 1U 2 C18 WBCC01101J1H C CAPACITO...

Page 52: ...472 M RESISTOR CH 1 10W 4 7K 1 R27 ERJ6GEYF561 M RESISTOR CH 1 10W 560 1 R28 ERJ6GEY0R00 M RESISTOR CH 1 10W 0 1 R29 ERJ6GEYF472 M RESISTOR CH 1 10W 4 7K 1 R30 ERJ6GEYG101 M RESISTOR CH 1 10W 100 1 R3...

Page 53: ...1 10W 470 1 C26 ECUM1H472KBN C CAPACITOR CH 50V 4700P 1 R29 ERJ6GEYG272 M RESISTOR CH 1 10W 2 7K 1 C27 VCS1DQ475 T CAPACITOR CH 20V 4 7U 1 R30 31 ERJ6GEYG152 M RESISTOR CH 1 10W 1 5K 2 C28 VCK0302 C C...

Page 54: ...V 10U 2 C9 VCS1VQ105 T CAPACITOR CH 35V 1U 1 C10 ECUX1H682KBN C CAPACITOR CH 50V 6800P 1 E3 VEP20782A SUB 2 P C BOARD 1 RTL C12 ECHU1C472J5 P CAPACITOR 16V 4700P 1 C13 ECUM1E223KBN C CAPACITOR CH 25V...

Page 55: ...H 1 10W 560 1 R28 ERJ6GEY0R00 M RESISTOR CH 1 10W 0 1 R29 ERJ6GEYF472 M RESISTOR CH 1 10W 4 7K 1 R30 ERJ6GEYG101 M RESISTOR CH 1 10W 100 1 R31 ERJ6GEYF822 M RESISTOR CH 1 10W 8 2K 1 R32 ERJ6GEYG821 M...

Page 56: ...1 10W 470 1 C26 ECUM1H472KBN C CAPACITOR CH 50V 4700P 1 R29 ERJ6GEYG272 M RESISTOR CH 1 10W 2 7K 1 C27 VCS1DQ475 T CAPACITOR CH 20V 4 7U 1 R30 31 ERJ6GEYG152 M RESISTOR CH 1 10W 1 5K 2 C28 VCK0302 C C...

Page 57: ...10U 2 C9 VCS1VQ105 T CAPACITOR CH 35V 1U 1 C10 ECUX1H682KBN C CAPACITOR CH 50V 6800P 1 E3 VEP20782A SUB 2 P C BOARD 1 RTL C12 ECHU1C472J5 P CAPACITOR 16V 4700P 1 C13 ECUM1E223KBN C CAPACITOR CH 25V 0...

Page 58: ...1 10W 560 1 R28 ERJ6GEY0R00 M RESISTOR CH 1 10W 0 1 R29 ERJ6GEYF472 M RESISTOR CH 1 10W 4 7K 1 R30 ERJ6GEYG101 M RESISTOR CH 1 10W 100 1 R31 ERJ6GEYF822 M RESISTOR CH 1 10W 8 2K 1 R32 ERJ6GEYG821 M R...

Page 59: ...ZCD0409BYNE265E266B...

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