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Sony UP-895, Service Manual

The Sony UP-895 Instructions For Use Manual is available for free download from our website. This comprehensive manual provides detailed instructions and guidelines on using the Sony UP-895 printer. Discover valuable information and helpful tips to ensure optimal performance and seamless operation. Download your manual now and unleash the full potential of your Sony UP-895.

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8-10

UP-895/(E)

(MA-99 BOARD)

 Ref. No.
 or Q'ty  Part No.    SP Description

 Q50      8-729-402-81 s TRANSISTOR XN4501
 Q51      8-729-216-22 s TRANSISTOR 2SA1162-G
 Q52      8-729-216-22 s TRANSISTOR 2SA1162-G
 Q54      8-729-216-22 s TRANSISTOR 2SA1162-G
 Q173     8-729-035-96 s TRANSISTOR XN4402-(TX)

 Q174     8-729-035-96 s TRANSISTOR XN4402-(TX)
 Q200     8-729-140-75 s TRANSISTOR 2SD999-CLOCK
 Q220     8-729-402-81 s TRANSISTOR XN4501
 Q221     8-729-120-28 s TRANSISTOR 2SC1623-L5L6
 Q300     8-729-901-00 s TRANSISTOR DTC124EK

 Q301     8-729-901-00 s TRANSISTOR DTC124EK
 Q400     8-729-140-75 s TRANSISTOR 2SD999-CLOCK
 Q401     8-729-120-28 s TRANSISTOR 2SC1623-L5L6
 Q402     8-729-140-75 s TRANSISTOR 2SD999-CLOCK
 Q403     8-729-017-80 s TRANSISTOR 2SD992-Z

 Q404     8-729-017-80 s TRANSISTOR 2SD992-Z
 Q405     8-729-017-80 s TRANSISTOR 2SD992-Z
 Q406     8-729-017-80 s TRANSISTOR 2SD992-Z
 Q407     8-729-017-80 s TRANSISTOR 2SD992-Z

 R1       1-216-811-11 s RESISTOR, CHIP 150 1/16W 1608
 R2       1-216-811-11 s RESISTOR, CHIP 150 1/16W 1608
 R4       1-216-829-11 s RESISTOR, CHIP 4.7K 1/16W 1608
 R5       1-216-831-11 s RESISTOR,CHIP 6.8K 1/16W(1608)
 R6       1-216-834-11 s RESISTOR,CHIP 12K 1/16W 1608

 R7       1-216-809-11 s RESISTOR,CHIP 100 1/16W 1608
 R8       1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608
 R9       1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R18      1-216-809-11 s RESISTOR,CHIP 100 1/16W 1608
 R19      1-216-803-11 s RESISTOR,CHIP 33 1/16W 1608

 R21      1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R22      1-216-809-11 s RESISTOR,CHIP 100 1/16W 1608
 R23      1-216-844-11 s RESISTOR,CHIP 82K 1/16W 1608
 R24      1-216-819-11 s RESISTOR,CHIP 680 1/16W 1608
 R25      1-216-829-11 s RESISTOR, CHIP 4.7K 1/16W 1608

 R26      1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608
 R30      1-216-812-11 s RESISTOR,CHIP 180 1/16W 1608
 R31      1-216-825-11 s RESISTOR,CHIP 2.2K 1/16W 1608
 R32      1-216-828-11 s RESISTOR, CHIP 3.9K 1/16W 1608
 R33      1-216-812-11 s RESISTOR,CHIP 180 1/16W 1608

 R34      1-216-817-11 s RESISTOR,CHIP 470 1/16W 1608
 R35      1-216-827-11 s RESISTOR, CHIP 3.3K 1/16W 1608
 R36      1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R37      1-216-803-11 s RESISTOR,CHIP 33 1/16W 1608
 R38      1-216-825-11 s RESISTOR,CHIP 2.2K 1/16W 1608

 R39      1-216-819-11 s RESISTOR,CHIP 680 1/16W 1608
 R40      1-216-815-11 s RESISTOR,CHIP 330 1/16W 1608
 R41      1-216-811-11 s RESISTOR, CHIP 150 1/16W 1608
 R42      1-216-811-11 s RESISTOR, CHIP 150 1/16W 1608
 R43      1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608

 R53      1-216-803-11 s RESISTOR,CHIP 33 1/16W 1608
 R56      1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R57      1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R58      1-216-825-11 s RESISTOR,CHIP 2.2K 1/16W 1608
 R59      1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608

 R60      1-216-856-11 s RESISTOR, CHIP 820K 1/16W 1608
 R61      1-218-871-11 s RESISTOR,CHIP 10K 1/16W (1608)
 R62      1-218-871-11 s RESISTOR,CHIP 10K 1/16W (1608)
 R63      1-216-803-11 s RESISTOR,CHIP 33 1/16W 1608
 R64      1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)

(MA-99 BOARD)

 Ref. No.
 or Q'ty  Part No.    SP Description

 R65      1-216-829-11 s RESISTOR, CHIP 4.7K 1/16W 1608
 R66      1-216-825-11 s RESISTOR,CHIP 2.2K 1/16W 1608
 R67      1-216-837-11 s RESISTOR,CHIP 22K 1/16W 1608
 R68      1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608
 R69      1-216-826-11 s RESISTOR,CHIP 2.7K 1/16W 1608

 R70      1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608
 R71      1-218-879-11 s RESISTOR,CHIP 22K 1/16W (1608)
 R72      1-216-830-11 s RESISTOR,CHIP 5.6K 1/16W 1608
 R74      1-216-845-11 s RESISTOR,CHIP 100K 1/16W(1608)
 R75      1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608

 R76      1-216-831-11 s RESISTOR,CHIP 6.8K 1/16W(1608)
 R97      1-216-813-11 s RESISTOR, CHIP 220 1/16W 1608
 R98      1-216-813-11 s RESISTOR, CHIP 220 1/16W 1608
 R101     1-216-834-11 s RESISTOR,CHIP 12K 1/16W 1608
 R103     1-216-824-11 s RESISTOR, CHIP 1.8K 1/16W 1608

 R104     1-216-843-11 s RESISTOR,CHIP 68K 1/16W (1608)
 R123     1-218-845-11 s RESISTOR,CHIP 820 1/16W (1608)
 R124     1-218-847-11 s RESISTOR, CHIP 1K 1/16W (1608)
 R125     1-218-833-11 s RESISTOR,CHIP 270 1/16W (1608)
 R127     1-216-864-11 s RESISTOR,CHIP 0 1/16W (1608)

 R128     1-216-864-11 s RESISTOR,CHIP 0 1/16W (1608)
 R130     1-216-824-11 s RESISTOR, CHIP 1.8K 1/16W 1608
 R131     1-216-817-11 s RESISTOR,CHIP 470 1/16W 1608
 R132     1-216-818-11 s RESISTOR, CHIP 560 1/16W 1608
 R133     1-218-861-11 s RESISTOR,CHIP 3.9K 1/16W(1608)

 R150     1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608
 R155     1-216-832-11 s RESISTOR,CHIP 8.2K 1/16W 1608
 R156     1-216-825-11 s RESISTOR,CHIP 2.2K 1/16W 1608
 R157     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R158     1-216-815-11 s RESISTOR,CHIP 330 1/16W 1608

 R159     1-216-823-11 s RESISTOR, CHIP 1.5K 1/16W
 R160     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R161     1-216-830-11 s RESISTOR,CHIP 5.6K 1/16W 1608
 R162     1-216-825-11 s RESISTOR,CHIP 2.2K 1/16W 1608
 R163     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)

 R164     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R167     1-216-815-11 s RESISTOR,CHIP 330 1/16W 1608
 R168     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R173     1-216-803-11 s RESISTOR,CHIP 33 1/16W 1608
 R174     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)

 R175     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R176     1-216-827-11 s RESISTOR, CHIP 3.3K 1/16W 1608
 R177     1-216-295-91 s RESISTOR, CHIP 0 (1/10W)
 R180     1-414-760-21 s INDUCTOR, MICRO (CHIP TYPE)
 R181     1-216-864-11 s RESISTOR,CHIP 0 1/16W (1608)

 R200     1-216-343-00 s RESISTOR,METAL FILM 0.33/1W
 R220     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R221     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R222     1-216-856-11 s RESISTOR, CHIP 820K 1/16W 1608
 R223     1-218-871-11 s RESISTOR,CHIP 10K 1/16W (1608)

 R224     1-216-833-11 s RESISTOR,CHIP 10K 1/16W 1608
 R225     1-216-825-11 s RESISTOR,CHIP 2.2K 1/16W 1608
 R226     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R227     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R228     1-216-803-11 s RESISTOR,CHIP 33 1/16W 1608

 R229     1-218-871-11 s RESISTOR,CHIP 10K 1/16W (1608)
 R230     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R231     1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608)
 R232     1-216-819-11 s RESISTOR,CHIP 680 1/16W 1608

Summary of Contents for UP-895

Page 1: ...VIDEO GRAPHIC PRINTER UP 895 UP 895CE UP 895MD SERVICE MANUAL 1st Edition ...

Page 2: ...rden Um die Gefahr eines elektrischen Schlages Feuergefahr und Verletzungen zu vermeiden sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen Andere als die angegeben Wartungsarbeiten dürfen nur von Personen ausgeführt werden die eine spezielle Befähigung dazu besitzen AVERTISSEMENT Ce manual est destiné uniquement aux personnes compétentes en charge de l entretien Afin de réd...

Page 3: ... 1 3 3 Brightness and Contrast Adjustment 3 2 3 4 Head Voltage Adjustment 3 3 3 5 Initialization of Print Count History 3 3 4 Circuit Operation Description 4 1 Video Circuit 4 3 4 1 1 BNC Input Connector Trap Filter Circuit 4 3 4 1 2 nC SYNC Generator Circuit 4 3 4 1 3 AGC Circuit 4 3 4 1 4 Brightness and Contrast Control 4 3 4 1 5 A D Conversion and D A Conversion 4 3 4 2 Clock Generator Circuit ...

Page 4: ...Signal to be Input 4 13 4 4 13 Remote Interface 4 13 4 4 14 Storage of Print Count History 4 13 4 5 Thermal Head Section 4 14 4 5 1 Structure 4 14 4 5 2 Basic Operation 4 15 4 5 3 Stair Generation 4 15 4 5 4 Temperature Correction 4 16 4 5 5 Line Count Correction 4 16 5 Troubleshooting 5 1 Print is Faulty 5 1 5 2 Print is Too Dark or Too Light 5 2 5 3 Paper Sensor is Out of Order 5 3 5 4 Head Oper...

Page 5: ...rts 8 1 Notes on Repair Parts 8 1 8 2 Exploded Views 8 2 8 3 Electrical Parts List 8 7 9 Block Diagram Overall 9 1 10 Schematic Diagrams and Board Layouts FRAME 10 2 KY 454 10 2 SE 531 10 2 SE 532 10 2 SU 52 10 2 MA 99 10 4 ...

Page 6: ......

Page 7: ...Section 1 Operating Instructions This section is extracted from operation manual 3 868 286 01 1 1999 Sony Corporation Video Graphic Printer UP 895 UP 895MD UP 895CE GB Instructions for Use Page 20 For UP 895MD 895CE ...

Page 8: ...erference 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 This device requires shielded interface cables to comply with FCC emission limits For the customers in Canada for UP 895MD This unit has been certified according to Standard CSA C22 2 NO 601 1 R 1 5m 21 Introduction Overview The ...

Page 9: ... effective only when you use paper types UPP 110HD or UPP 110HG that is when the PAPER TYPE switch C is set to either II or V C PAPER TYPE switch Selects the paper type Set the switch to the type of paper to be used Type of paper Switch position UPP 110S I Normal UPP 110HD II High density UPP 110HG V High glossy D SMOOTHING switch Selects the line density OFF Normally keep this switch to this posi...

Page 10: ... 3 30 3 2 2 3 3 4 3 4 1 3 5 5 3 1 1 3 5 7 7 5 3 1 5 3 1 30 3 2 2 3 3 4 3 4 30 3 2 2 3 3 4 3 4 3 2 3 3 4 4 3 2 5 3 1 30 275 8 7 6 5 4 3 2 1 475 50 250 9 4 5 5 7 5 4 3 3 2 3 2 30 10 7 0 3 NORM WIDE 1 WIDE 2 Setting Up the Printer 25 Preparation Preparation 8 OUTPUT switch Selects the video signal output from the VIDEO OUT connector on the rear panel THRU SW DOWN Signals are output directly to the vi...

Page 11: ...xt page 3 Start the video source This operation is done using the controls of the video equipment which you are using as a source 4 When the image you want to print is on the video monitor press the PRINT button The image displayed at the instant you press the PRINT button is captured into memory and is printed out immediately To interrupt printing Press either the OPEN or FEED button while printi...

Page 12: ...ector image size selectors and the DIP switches Selecting the printing direction You can select the printing direction using the STD SIDE selector To print in the same direction as the one displayed in the video monitor set the selector to STD standard To print the image in the direction where the image is rotated by 90 degrees counterclockwise set the selector to SIDE Image displayed on the video...

Page 13: ...will not be using it for a long time Disconnect the power cord by grasping the plug Never pull the cord itself Do not disassemble the cabinet Refer servicing to qualified personnel only Do not touch the cutting blade of the printer Connect the power plug of the printer to a wall outlet with a protective earth terminal The safety earth should be properly established On operation Do not turn the pow...

Page 14: ...NOR mode About 3 9 seconds screen at factory settings Picture memory 800 K 8 bits for one frame Input output connectors VIDEO IN BNC EIA or CCIR Composite video signals 1 0 Vp p 75 ohms high impedance EIA CCIR automatically discriminated VIDEO OUT BNC EIA or CCIR Composite video signals 1 0 Vp p 75 ohms loop through EE switchable Maintenance Specifications Keep pressing the FEED button x When the ...

Page 15: ...ing In the event of condensation forming remove the paper turn off the power and allow the unit to stand for about one to two hours The thermal head is dirty t Clean the thermal head with the head cleaning sheet supplied with the unit page 31 Cause remedy This is likely to occur when the printer prints continuously 15 or more dark images In such a case the buzzer sounds This is because a protectiv...

Page 16: ... for UP 895MD 895CE Used to connect to the equipotential plug to bring the various parts of a system to the same potential Refer to Important safeguards notice for use in the medical environments on page 20 2 REMOTE connector 22 30 Connect the RM 91 remote commander or the foot switch for controlling print operation from a distance 3 DIP SW switches 23 Sets the print modes and functions 4 tVIDEO I...

Page 17: ... board SE 531 board KY 454 board 2 1 Board Layout Section 2 Service Information 2 2 Disassembly n Remove the top cover in the order shown in the figure during removal Removal of Top Cover 2 Top cover 1 M3 case fixing screw 1 M3 case fixing screw ...

Page 18: ...Step screw 3 Step screw Lock arm 4 Door panel Claws Claws 2 1 6 Power switch rod 5 Rod stopper 1 CN14 1 CN1 2 Screw BVTT 3x6 2 Screws BVTT 3x6 4 Front panel 3 Claws 3 Claws 3 Mechanical block 1 CN7 1 CN2 1 CN8 1 CN13 2 Screws BVTT 3x6 Be careful not to slacken the harness when installing the mechanical block 1 CN3 1 CN9 ...

Page 19: ... 4 CN3 4 CN9 4 Screws PS 3x6 4 Screws PS 3x6 1 Tapping screw M3 1 Tapping screw M3 3 CN201 6 Switching regulator 2 Sheeld plate 1 Tapping screws M3 3 Rear panel 2 Screw BTP 3x8 2 3 3 Removal of Switching Regulator 1 Remove the top cover Refer to Section 2 2 2 Remove the front panel door panel and power switch rod Refer to Section 2 3 1 3 Remove the MA 99 board Refer to Section 2 3 2 ...

Page 20: ... 2 2 Remove the front panel and power switch rod Refer to Section 2 3 1 3 Spring compression 1 Screw BVTT 3x6 2 Top chassis 1 Screw BVTT 3x6 4 CN13 4 CN9 5 Head assembly 2 Screws PSW 3x6 3 Heat sink 1 Flat type wire 26 core Printing side Contact 1 Flat type wire 30 core 4 Thermal head ...

Page 21: ...chassis Rear chassis Belt 2 Screw BVTT 3x6 1 Screw PSW 3x6 Mechanical chassis assembly Front side Gear bracket assembly n Confirm that no clearance exists between the mechanical chassis and top chassis m 1 Be careful not to hold the gear bracket by hand when installing screws 1 and 2 2 Confirm that the belt tension is not loosened after screw installation ...

Page 22: ...allation of Fan Motor n Install the fan motor while paying the attention to the direction of the harness with the surface to which the fan motor sticker is attached down Top chassis MA 99 board Screws PTT 3x10 Fan motor CN6 ...

Page 23: ...hat Vs is 630 mV Specification TP5 AMP IN MA 99 C 3 Output waveform Adjust so that Vs is 700 mV when AGC is ON and 75 Z terminator is on Adjust so that Vs is 630 mV when AGC is ON and 75 Z terminator is off Vs Adjustments AGC REF adjustment 1RV3 MA 99 C 2 AGC GAIN adjustment 1RV2 MA 99 C 2 1RV3 1RV2 TP5 MA 99 3 2 Video Level Adjustment Machine condition for adjustment Input signal 10 steps signal ...

Page 24: ...the front panel Specification TP6 AD IN MA 99 B 3 Output waveform TP7 VRT MA 99 B 3 Output voltage TP8 VRB MA 99 B 3 Output voltage Adjust RV6 so that mid voltage between 0 and 1 is equaled to the VRB voltage Adjust RV5 so that mid voltage between 9 and 10 is equaled to the VRT voltage Adjustments C ADJ adjustment 1RV5 MA 99 C 1 B ADJ adjustment 1RV6 MA 99 C 1 MA 99 1RV5 1RV6 TP7 TP8 TP6 VRT TP7 V...

Page 25: ...attern Specification Stair step Adjust RV502 so that a smooth gradation is obtained in 17 steps Adjustments 1RV502 Switching regulator 1 Front RV502 Main body Switching Regulator on the right side panel 3 5 Initialization of Print Count History Machine condition for adjustment Set the POWER switch to ON while pressing the PRINT COPY and FEED buttons Specification Release the buttons when the buzze...

Page 26: ......

Page 27: ... digital to analog to output it to the outside Memory and head control G A Print data is fetched to frame memory DRAM Image data on the memory is also PWM converted for image processing and sent to the thermal head CLK generator This block generates the operation clock of memory and head control G A Frame memory SDRAM This block memorizes print data Motor drive Each motor of a head platen and fan ...

Page 28: ...RONT PANEL SU board Platen Fan Head Sensor Sensor System control CPU Motor drive Sensor Motor Motor Motor Motor drive motor drive TEMP CLK gene Buzzer Selector DIP SW EEPROM Board checker Video in BNC A D Memory control IC SD RAM Thermal head Video circuit D A Inner SW Front key Video out BNC Paper Sensor Paper Sensor ...

Page 29: ...output from analog selector 2 IC5 When it is set to OFF the reference voltage is controlled by a system control IC304 so that it is output from analog selector 2 IC5 The gain is controlled by inputting the voltage to video amplifier 1 IC2 4 1 4 Brightness and Contrast Control The video signal output from video amplifier 1 IC2 is input through a buffer Q220 to video amplifier 2 IC6 For contrast con...

Page 30: ...rator Circuit 4 3 Memory and Head Control Circuit The memory and head control circuit IC501 consists of the following blocks The operation in each block is determined by the serial data from a system control IC304 1 Register for storing the serial data from system control IC304 2 Frame memory write and read control 3 Thermal head control 4 Sync signal processing circuit 5 Line memory for calculati...

Page 31: ... UP 895 uses a 64M SDRAM one word is 8 bits as image memory The sampling frequency is 23 MHz and the memory space is 4096 x 2048 4 3 3 Transfer from Frame Memory to Line Memory IC501 sets a COPYING signal to L so as to enter the print operation when a COPY pulse is input from a system control IC304 to pin 2 of IC501 To perform printing the one line data selected from frame memory must be transferr...

Page 32: ...ATION 9 FRAME MEMORY CONTROL 8 VIDEO CIRCUIT 167 169 172 176 89 92 95 98 8 99 101 104 106 110 112 114 117 120 122 125 1 2 3 4 15 18 19 FETCH COPY FETCHSTOP COPYSTOP FETCHING COPYING LINEPULS 21 22 135 EXTV VF CSYNC SCK RE RLD SI REGSEL2 REGSEL1 REGSEL0 CLOCK CONTROL SYSTEM CONTROL IC304 CLOCK GEN 132 136 137 126128 7 8 9 10 11 13 14 INTOUT2 CK01B CK01A CLKOUT CLK 21 8 Block diagram of IC501 ...

Page 33: ...EAD LINE MEMORY 6x20 PWM COMP x20 THERMAL HEAD 45 49 52 55 57 60 62 68 16 LINE MEMORY 16 16 LINE MEMORY 12 LINE MEMORY IC501 12 12 LINE MEMORY LINE MEMORY 9 TEST PATTERN GENERATE 6 TEST PATTERN REGISTER COMMON DROP COMPENSATION CALCULATION THERMAL HEAD CONTROL GAMMA DATA REGISTER 8 20 20 69 70 73 HCLK STROBE LATCH HDATA1 HDATA20 ...

Page 34: ...tches IC304 monitors the setting of a front slide switch inner slide switches and a rear DIP switch and reflects its setting on the operation Front slide switch on the front panel IC304 Function Operation 80pin POSI NEGA L NEGA H POSI 1pin STANDERD SIDE L STANDARD H SIDE 79pin PRINT SIZE 0 00 V SMALL 1 25 V NORMAL 2 50 V ZOOM1 3 75 V ZOOM2 5 00 V ZOOM1 2 Inner slide switches S1 through S4 IC304 Fu...

Page 35: ... WIDE 2 6 7SCAN2 _ NORMAL 7 8THRUE EE THRUE EE 8 9AGC OFF ON 9 0RESERVED _ _ 10 INPUT B W COLOR 4 4 3 Platen Motor Control A stepping motor for platen driving controls the forward and reverse rotation and rotation speed when a system control IC304 controls driving transistors Q404 through Q407 IC304 Signal line State 22pin PM1 L L H H 23pin PM2 H H L L 24pin PM3 L H H L 25pin PM4 H L L H Forward r...

Page 36: ...ition of head position sensor Position IC304 17pin IC304 16pin Condition TOP H H Unlocks the door MIDDLE L H Wait Usual BOTTOM H L Print 4 4 5 Monitor of Door Sensor The door position is detected using an optical door position sensor photo interrupter PH32 and read by a system control IC304 Condition of door position sensor Position IC304 20pin Condition CLOSE L The door is closed OPEN H The door ...

Page 37: ...Head Cooling The head fan motor is operated when a system control IC304 controls driving transistors Q400 and Q403 The head fan motor is turned on when the head temperature is more than approximately 50 dC or during printing Operation of head fan motor IC304 26 pin Operation L OFF H ON 4 4 9 Control of Video Circuit Section A system control IC304 controls the video circuit section as shown in the ...

Page 38: ...d copy operation that feeds the memorized image to the head The copy operation is carried out when the COPY key is pressed The fetch to copy operation is carried out when the PRINT key is pressed Fetch mode Copy mode nPRINT_KEY GADATA DCLK nREGEN nFETCH nFETCHIN nFETCHSTOP nCOPY_KEY GADATA DCLK nREGEN nCOPY nCOPYING nCOPYSTOP Operation mode data Transfer CLK During capture Capture end Capture star...

Page 39: ...gnal by the signals below that are output from a memory and head control circuit IC501 IC304 Signal line Discrimination 21pin nEXTV V period is long PAL V period is short NTSC 52pin V Fixed in L or H Non interlacing L and H are repeated Interlacing 4 4 13 Remote Interface A system control IC304 accepts a signal when a low pulse of more than 100 msec is input to the remote terminal J300 After about...

Page 40: ...w The DATA input is ten DATA 20 1 and other terminals are common Internal Circuit Configuration of Thermal Head One port Timing Chart VH R1 R2 R3 R64 D1 D2 D3 D64 D64 D3 D2 D1 5V DR BEO STB DATA n CLK Output stage transistor Latch section Shift register section Print data 64 data 64CLK Head heat time DR BEO DATA CLK STB Goes H during print start ...

Page 41: ...is controlled by changing the length of the DR pulse so the color darkness of the printing on thermosensitive paper can be changed n The BEO terminal goes from L to H when starting the print and goes from H to L when print is ended 4 5 3 Stair Generation As explained in the last section on basic operation the darkness of the printing can be controlled using a DR pulse it is also possible to change...

Page 42: ...ted when the T interval of a STB pulse is shorter than the transmission time to the shift register Therefore this unit provides the smooth expression of intermediate stairs by controlling the STB pulse s T interval and DR pulse 4 5 4 Temperature Correction As explained in 4 5 3 Stair Generation intermediate stairs are expressed by controlling the STB pulse s T interval and DR pulse However the pri...

Page 43: ...gnal output from data bus of IC500 on MA 99 board Is signal available at pin 14 of IC500 on MA 99 board START Peripheral circuits IC1 IC2 and Q200 on MA 99 board are defective Peripheral circuits IC6 Q6 and Q7 on MA 99 board are defective Peripheral circuit IC500 on MA 99 board is defective IC501 and CN9 on MA 99 board are defective NO YES Is test pattern properly printed in test mode Peripheral c...

Page 44: ...n MA 99 board when head is at the normal temperature Are required voltages available at each terminal 3 V at pin 19 of IC500 on MA 99 board and 1 V at pin 23 of IC500 START Peripheral circuits Q200 and Q16 on MA 99 board are defective Peripheral circuits Q16 and RV6 on MA 99 board are defective Peripheral circuit IC401 and pins 29 and 30 of CN9 on MA 99 board or the thermistor in the head are defe...

Page 45: ...E 532 board is defective NO YES Is signal from sensor available at pin 5 of CN2 on MA 99 board START LED on front panel or PH12 on SE 532 board is defective NO YES Is signal from sensor available at pin 6 of CN3 on MA 99 board Pins 18 and 19 of IC304 on MA 99 board are defective ...

Page 46: ...02 on MA 99 board are defective NO YES Does head motor operate START The head position sensors PH21 and PH22 on SE 531 board are defective NO YES Are signals from sensor available at pins 2 and 3 of CN2 on MA 99 board Pins 16 and 17 of IC304 on MA 99 board are defective ...

Page 47: ... to pins 1 3 11 and 13 of IC301 on MA 99 board Are pulse signals input to bases of Q404 through Q407 on MA 99 board START Fuse F400 on MA 99 board is defective Pins 22 23 24 and 25 of IC304 on MA 99 board are defective Peripheral circuits Q404 and Q407 and CN201 on MA 99 board are defective NO YES Is signal output from CN8 on MA 99 board The platen motor is defective ...

Page 48: ... UP 895 E 5 6 Door Opening and Closing is Out of Order START PH32 or actuator on SE 531 board is defective NO YES Is signal input to pin 6 of CN2 on MA 99 board Pin 20 of IC304 on MA 99 board is defective ...

Page 49: ...st Pattern Set the POSI ENGA switch to POSI no print can be performed when this switch is set to NEGA Stair step and Gray are available as a test pattern for printing 1 Press the PRINT key Print the stair step pattern 2 Press the COPY key Print the gray pattern For the gray pattern the concentration of gray can be selected from 100 white to 100 black in five steps using the PRINT SIZE switch 100 w...

Page 50: ...nd down using the PRINT COPY key 6 3 Feed Operation Press the FEED key The stepping motor then starts and the platen rotates The service mode can also be operated with the door opened Moreover the forward and reverse rotations can be switched using the POSI NEGA switch The platen rotates in the delivery direction when the switch is set to POSI The platen rotates in the retracting direction when it...

Page 51: ...ion indicates the sheet of paper that has been printed The sheet of print paper can be displayed in the range of 0 to 150 000 The sheet of print paper exceeding 150 000 is displayed as 150 000 2 Clearing of print sheet history In the power off state turn on the power with the PRINT COPY and FEED keys pressed 150 000 sheets of paper maximum 10 000 sheets of paper per step Zero sheet of paper The sh...

Page 52: ......

Page 53: ...or semiconductors with ID Nos refer to the separate CD ROM titled Semiconductor Pin Assignments Sony Part No 9 968 546 xx that allows searching for parts by semiconductor type or ID No The semiconductors in the manual or on the CD ROM are listed by equivalent types Thus the external view or the index mark indication may differ from the actual type Pin assignments and block diagrams are based on th...

Page 54: ...LK DQM NC GND NC VCC DQ4 NC GND DQ5 NC VCC DQ6 NC GND DQ7 GND PIN NO I O SIGNAL PIN NO I O SIGNAL PIN NO I O SIGNAL 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 27 VCC DQ0 VCC NC DQ1 GND NC DQ2 VCC NC DQ3 GND NC VCC NC WE CAS RAS CS A13 BA0 A12 BA1 A10 AP A0 A1 A2 A3 VCC 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 GND DQ7 GND NC DQ6 VCC ...

Page 55: ...ffer from those used for the unit These are because of parts common ality and improvement 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 4 Harness Harnesses with no part number are not registered as spare parts In need of repair get components s...

Page 56: ... o LABEL NORTHERN EUROPE CAUTION for UP 895CE CE UP 895MD SY 6 3 187 313 21 o BUTTON POWER 7 3 623 875 02 s SCREW STEP 8 3 623 889 01 o TOP COVER 9 3 623 894 02 o PANEL REAR for UP 895CE CE UP 895MD UC SY 3 623 894 12 o PANEL REAR for UP 895 J UC UP 895MD J 10 3 623 912 03 s PANEL DOOR for UP 895 J UC 3 623 912 13 s PANEL DOOR for UP 895MD J UC SY 3 623 912 23 s PANEL DOOR for UP 895CE CE 11 3 623...

Page 57: ...MAL LVE6413SS 104 1 763 007 21 o FAN DC OPTION 105 1 792 200 11 o WIRE FLAT TYPE 8 CORE 106 1 792 201 11 o WIRE FLAT TYPE 26 CORE 107 1 792 202 11 o WIRE FLAT TYPE 30 CORE 108 1 960 221 11 o HARNESS SUB 3P 109 3 623 867 02 o SEAT SWITCH 110 3 623 890 01 s HEAT SINK No Part No SP Description No Part No SP Description 111 3 623 899 01 s SPRING COMPRESSION 112 3 623 908 02 s COVOR SWITCH 113 3 623 92...

Page 58: ...GEAR PULLY 208 3 623 881 01 s GEAR PULLY 2 209 3 623 891 01 s SPRING DOOR OPEN 210 3 623 892 01 s RING RETAINING No Part No SP Description No Part No SP Description 211 3 623 893 02 s PULLY PLATEN 212 3 623 900 01 s ROLLER TENTION 213 3 623 902 01 o SHAFT INNER 214 3 623 903 01 s BEARING INNER SHAFT POM 215 3 623 904 01 s BEARING PLATEN PLASTIC 216 3 623 909 02 s PLATEN 217 3 626 685 01 s SPRING C...

Page 59: ...07 1 960 222 11 o HARNESS SUB 2P 308 3 613 740 01 s SPRING HELICAL TORSION A 309 3 613 781 01 s COVER CENTER SHAFT 310 3 623 868 01 o COVER GEAR No Part No SP Description No Part No SP Description 311 3 623 886 02 o CHASSIS REAR 312 3 623 910 01 s LEVER DOOR SENSOR 313 3 623 922 01 o COVER FULCRUM PLATE 314 3 623 925 02 s GEAR HEAD DRIVE 315 3 623 926 02 s PULLY HEAD DRIVE 316 3 623 927 01 s CAM P...

Page 60: ...ER R HEAD UP 406 3 623 877 01 s GEAR PULLY 1 407 3 623 878 01 s BELT 140TN10 3 0K PUR 408 3 623 885 01 s BEARING ARM POM 409 3 623 900 01 s ROLLER TENTION 410 3 623 913 01 s ROLLER GUIDE No Part No SP Description 411 3 623 920 01 s SPRING HEAD PUSH L 412 3 623 921 01 s SPRING HEAD PUSH R 413 3 624 785 01 s SPRING EXTENSION 414 3 624 786 01 s SPRING EXTENSION 415 3 624 917 01 s SPRING EXTENSION 416...

Page 61: ...ERAMIC 5PF 50V 1608 C16 1 162 923 11 s CAPACITOR CERAMIC 47PF 50V CH C23 1 162 970 11 s CAPACITOR CERAMIC 0 01MF 25V B C24 1 162 966 11 s CAPACITOR CERAMIC 2200PF 50V B C25 1 162 970 11 s CAPACITOR CERAMIC 0 01MF 25V B C26 1 162 921 11 s CAPACITOR CERAMIC 33PF 50V CH C27 1 126 962 11 s CAP ELECT 3 3MF 50V C28 1 126 964 11 s CAPACITOR ELECT 10MF 50V C29 1 104 664 11 s CAPACITOR ELECT 47MF 25V C30 1...

Page 62: ...PACITOR ELECT 47MF 25V C403 1 125 817 11 s CAPACITOR CERAMIC 10MF 6 3V C404 1 164 156 11 s CAPACITOR CERAMIC 0 1MF 25V F C405 1 164 227 11 s CAPACITOR CERAMIC 0 022MF 25V MA 99 BOARD Ref No or Q ty Part No SP Description C406 1 164 156 11 s CAPACITOR CERAMIC 0 1MF 25V F C407 1 104 664 11 s CAPACITOR ELECT 47MF 25V C409 1 125 817 11 s CAPACITOR CERAMIC 10MF 6 3V C431 1 162 970 11 s CAPACITOR CERAMI...

Page 63: ...OARD Ref No or Q ty Part No SP Description IC5 8 759 009 07 s IC MC14053BF IC6 8 759 196 69 s IC BA7655AF E2 IC200 8 759 473 67 s IC PQ3RF33 IC201 8 759 701 79 s IC NJM7812FA IC300 8 759 278 46 s IC PST600DMT T1 IC301 8 759 925 80 s IC SN74HC14ANS IC302 8 759 270 25 s IC SN74HC251ANSR IC303 8 759 270 25 s IC SN74HC251ANSR IC304 8 759 660 62 s IC HD6473657F UP895 VER1 0 IC305 8 759 672 80 s IC M24C...

Page 64: ... 1 0K 1 16W 1608 MA 99 BOARD Ref No or Q ty Part No SP Description R65 1 216 829 11 s RESISTOR CHIP 4 7K 1 16W 1608 R66 1 216 825 11 s RESISTOR CHIP 2 2K 1 16W 1608 R67 1 216 837 11 s RESISTOR CHIP 22K 1 16W 1608 R68 1 216 833 11 s RESISTOR CHIP 10K 1 16W 1608 R69 1 216 826 11 s RESISTOR CHIP 2 7K 1 16W 1608 R70 1 216 833 11 s RESISTOR CHIP 10K 1 16W 1608 R71 1 218 879 11 s RESISTOR CHIP 22K 1 16W...

Page 65: ...6W 1608 R369 1 414 813 11 s MICRO INDUCTOR CHIP TYPE 2012 R370 1 216 809 11 s RESISTOR CHIP 100 1 16W 1608 MA 99 BOARD Ref No or Q ty Part No SP Description R371 1 216 827 11 s RESISTOR CHIP 3 3K 1 16W 1608 R372 1 414 813 11 s MICRO INDUCTOR CHIP TYPE 2012 R373 1 216 813 11 s RESISTOR CHIP 220 1 16W 1608 R374 1 216 813 11 s RESISTOR CHIP 220 1 16W 1608 R375 1 216 813 11 s RESISTOR CHIP 220 1 16W 1...

Page 66: ...STOR CHIP 220 1 16W 1608 R552 1 216 813 11 s RESISTOR CHIP 220 1 16W 1608 R554 1 216 813 11 s RESISTOR CHIP 220 1 16W 1608 R555 1 216 809 11 s RESISTOR CHIP 100 1 16W 1608 R556 1 216 813 11 s RESISTOR CHIP 220 1 16W 1608 R557 1 216 813 11 s RESISTOR CHIP 220 1 16W 1608 R558 1 216 813 11 s RESISTOR CHIP 220 1 16W 1608 R559 1 216 813 11 s RESISTOR CHIP 220 1 16W 1608 R560 1 216 813 11 s RESISTOR CHI...

Page 67: ...OR CHIP 150 1 10W 2012 R31 1 216 029 00 s RESISTOR CHIP 150 1 10W 2012 R32 1 216 073 00 s RESISTOR CHIP 10K 1 10W 2012 SE 532 BOARD Ref No or Q ty Part No SP Description 1pc A 8323 917 A o MOUNTED CIRCUIT BOARD SE 532 1pc 3 689 205 02 s HOLDER A LED 1pc 3 187 312 02 s HOLDER P LED C11 1 164 004 11 s CAPACITOR CERAMIC 0 1MF 25V C12 1 164 004 11 s CAPACITOR CERAMIC 0 1MF 25V CN11 1 580 056 21 o PIN ...

Page 68: ...R 3P 3pcs 1 565 977 11 s TERMINAL SOLDERLESS TO CN11 SE 532 BOARD 1 569 618 11 o HOUSING CONNECTOR 3P 3pcs 1 565 977 11 s TERMINAL SOLDERLESS HN003 1 960 222 11 o HARNESS SUB 2P TO CN7 MA 99 BOARD 1 569 196 11 o HOUSING CONNECTOR 3P 2pcs 1 569 193 21 o TERMINAL SOLDERLESS TO CN41 SU 52 BOARD 1 562 644 11 s SOCKET CONNECTOR 2P 2pcs 1 562 643 11 o TERMINAL SOLDERLESS PACKING MATERIALS SUPPLIED ACCES...

Page 69: ... HCLK nSTB BEO TH2 BEO TH2 TH1 nSTB nLATCH CLK D 20 1 HEAD THERMAL CN9 CN13 15V CN12 5V 15V 5V 21V SUPPLY POWER MA 99 1 2 HMOROR2 HMOTOR1 FAN BUZZER BUSY nREMOTE_KEY SWDATA SWSEL 3 0 SCIDI nCTS SCIDO nRTS DSENS HSENS2 HSENS1 PSENS1 PSENS2 SHARPNESS ALARM_LED nCOPY_KEY nDOOR_KEY nPRINT_KEY nFEED_KEY REGEN VF nFETCHING nFETCHSTOP GADATA nPRINT_PULSE nINTV nFETCH nREGLD nCOPYSTOP nEXTV REGSEL 2 0 nCO...

Page 70: ...NTRAST C BRIGHT C BRIGHT L CONTRAST H 1 10 Q220 BUFFER IC5 1 3 11 3 GENERATOR 15 4 2 7 3 1 5 BLK 1 2 DRIVE Q1 RELAY CNTR SYNCOUT CNTROUT VIN Q17 VCC CLT OUT IN MA 99 2 2 CN10 SELECTOR4 RY1 Q173 AMP HSYNC GENERATOR Q174 SELECTOR3 REF IC502 VOUT GENERATOR D 7 0 R538 R539 R540 REFERENCE D A CONV CLK GENERATOR REFERENCE Q21 D 7 0 CLK VTB VRT VIN A D CONV IC500 AMP CONTRAST Q200 VIDEO AMP 2 IC6 VIDEO A...

Page 71: ...10 1 UP 895 E 10 1 2 3 4 5 1 A B C D E F G H Section 10 Schematic Diagrams and Board Layouts ...

Page 72: ...2 1 2 1 FAN FAN 2 1 6 1 3 5 2 4 6 1 3 5 2 4 HMOROR2 HMOTOR1 5 V 6 4 3 1 2 2 1 2 1 5 4 1 5 2 4 6 3 7 6 7 1 3 2 CONTRUST L BRIGHT H POWER_LED CONTRUST H CONTRUST C BRIGHT C BRIGHT L 1 4 5 3 7 6 2 8 11 9 7 10 8 11 9 7 10 5 1 2 6 3 4 5 4 3 6 1 2 ALARM_LED nCOPY_KEY 5V STD SIDE PRINT SIZE nFEED_KEY PSENS2_TR POSI NEGA GND nDOOR_KEY nPRINT_KEY 11 7 10 9 8 3 1 4 6 2 5 GND 5V POWER_LED 6 5 6 5 2 2 1 3 3 1...

Page 73: ...LND1 LND2 SL1 PC00006 PC00028 CN31 LND21 PH21 PH22 R31 R32 SL21 PC00002 PC00007 PC00008 PC00022 PC00023 PC00024 PC00026 PC00027 PC00035 PC00036 PH31 PH32 R21 R22 R23 R24 CN11 D11 PH12 PC00010 PC00011 PC00012 C11 C12 LND11 R11 R12 SL11 CN41 PC00003 PC00004 PC00005 SE 532 A SIDE SUFFIX 11 SE 532 B SIDE SUFFIX 11 SE 531 A SIDE SUFFIX 11 SE 531 B SIDE SUFFIX 11 SU 52 A SIDE SUFFIX 11 SU 52 B SIDE SUFF...

Page 74: ... 1 0 1 10 6 3V 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1µH 1µH 1µH 10k 330 10k 330 10k 10k 10k 10k 470 1 8k 1M 3 3k 3 3k 3 3k 3 3k 3 3k 3 3k 3 3k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 100 100 100 100 100 220 100 3 3k 100 100 100 100 100 100 100 100 100 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 100 220 220 220 220 1µH 10 6 3V 0 1 1µH ...

Page 75: ...TE85L 1S2836 T1 1S2836 T1 1SS302 TE85L LM358PS E20 2SD999 T1 CLCK 2SC1623 T1 L5L6 2SD999 T1 CLCK 2SD992 Z E2 2SD992 Z E2 2SD992 Z E2 2SD992 Z E2 2SD992 Z E2 10E 2 TC7S00FU TE85R M54543L 47 25V 10 6 3V 0 1 0 022 0 1 10 6 3V 0 01 0 1 0 1 1µH 560 560 560 560 2 2k 1k 1k 10 10 1k 10k 1 8k 1k 470 220 220 220 220 100 100 0 330 22k 3 3k 1µH TC7S14FU TE85R 15k 100k 150k 22k 3 9k 0 2P 47 25V MOTOR BUS THERM...

Page 76: ...ERMISTOR2 2 5 2 5 GA_BUS 1 5 5V 2 3V 5V 2 3V LND2 BEO 1 5 5 5 1 5 5V 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 STB STB VF EXTV INTV COPYING FETCHING RS0 RS1 RS2 RLD RE GACK RESET COPYSTOP FETCHSTOP COPY FETCH GAD D0 D1 D2 D3 D4 D5 D6 D7 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 CLK WE CAS RAS CS DQM CKE D0 D1 D2 D3 D4 D5 D6 D7 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 PP GN...

Page 77: ... xT2A 9 10 11 GND HDA GND 12 R564 1M X500 C536 22p C535 22p 2 2 1M D1 D2 40 41 D3 D4 42 43 6 7 8 3 4 5 GND CKO2A HDOA VDD HDSLA GND 44 1 2 CKO1A GND CKIA C537 0 1 R565 220 R599 NM C534 NM CXD8932Q 5V 2 DS1000Z 100 TE2 IC504 8 VCC 6 7 TAP1 1 IN TAP2 2 3 5 TAP5 4 GND TAP3 TAP4 D7 D6 R582 100 D5 R584 100 R583 100 53 D7 51 NC 52 VSSQ C520 49 0 1 47 D5 48 NC IC503 SDRAM VCCQ 50 D6 D4 R585 100 DQM CLK R...

Page 78: ...812 T1 M5M6 2SA812 T1 M5M6 2SA812 T1 M5M6 MC14053BF NJM2234M TE2 XN4601 TW XN4501 TW 2SD999 T1 CLCK XN4601 TW XN4601 TW 2SC1623 T1 L5L6 XN4501 TW 2SC1623 T1 L5L6 XN4601 TW 2p 10 50V 10 50V 10 50V 10 50V 10 50V 10 50V 10 50V 10 50V 5p 47 25V 0 1 5p 5p 47p 470 10V 22 10 50V 0 01 2200p 0 01 0 1 0 1 0 01 3 3 50V 0 0022 0 01 33p 3 3 50V 10 50V 47 25V 0 1 0 1 47 25V 0 0022 0 1 0 1 0 1 0 1 33p 47 25V 0 1...

Page 79: ... R615 R616 R617 R618 R619 R620 R621 TP200 TP201 TP202 TP203 TP204 TP205 TP206 TP207 TP208 TP209 TP210 PQ3RF33 NJM7812FA 1SS302 TE85L 470 10V 0 1 470 25V 0 1 470 10V 0 1 470 25V 0 1 470 10V 0 1 1 1UH 1 1UH 1 1UH 1 1UH 1 1UH 1 1UH 0 1 100 25V 0 33 1W NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM 12V 5V 2 15V 15V HEAD_EN 1 5 5V 5V 3V 15V 5V 5V LND1 LND2 1 5 3 ...

Page 80: ...R305R306R307R308 R310 R311 R312 R313 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R329 R330 R332 R334 R335 R336 R337 R338 R339 R340R341 R342 R343 R354 R355 R356 R357 R362 R363 R364 R365 R366 R367 R368 R369 R370 R371 R372 R373 R374 R375 R376 R377 R378R379R380R381 R382 R383 R384R385 R386 R387 R388 R389 R390 R391 R392 R393 R394 R395 R396 R397 R398 R400 R401 R402 R403 R404 R405 R40...

Page 81: ...309 C2 L310 A3 L311 A2 L400 B2 L403 B1 L500 A3 L501 A3 LND1 C3 LND2 A3 LND3 A1 LND4 C1 LND301 C3 LND302 C3 LND501 B2 LND502 B3 LND503 A3 LND504 B3 Q1 C1 Q2 C2 Q5 C3 Q6 C3 Q7 C3 Q8 C3 Q11 C2 Q12 C2 Q13 C2 Q14 C2 Q16 C2 Q17 C2 Q21 B3 Q40 C3 Q41 C2 Q50 C2 Q51 C2 Q52 C2 Q54 C2 Q173 B2 Q174 B2 Q200 C1 Q220 C3 Q221 B3 Q300 B2 Q301 C3 Q400 A1 Q401 A2 Q402 A2 Q403 A1 Q404 A1 Q405 A1 Q406 A1 Q407 A1 R1 C1 ...

Page 82: ......

Page 83: ... 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 5 25 V so analog meters must have an accurate...

Page 84: ...Printed in Japan Sony Corporation 1999 12 22 B P Company 1999 UP 895 UC UP 895CE CE UP 895MD UC SY E 9 955 192 01 ...

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