Mitsubishi Electric WS-55807 Service Manual Download Page 41 | Manualshive

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MODELS: WT-46807 / WS-55807 / WS-55857 / WS-55907 /WS-65807 / WS-65857 / WS-65907 / WS-73907

Purpose:

Measuring
Instrument

Test Point

Measuring
Range

Input Signal

Ext. Trigger

Input Terminal

Symptom:

-----

-----

------

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Monoscope (NTSC & HD
1080i)

Video & DTV Inputs

To set the height, width and linearity of the raster.

Incorrect height, width and/or linearity.

Preliminary:

1. DO NOT change the initial values for “#8 VLIN” in the Defl. Jungle Function.
2. DO NOT exceed the following VHGT adjustment ranges:

NTSC ... from -4 to +10
HD ... FROM -10 TO +5

NTSC Mode

1. Supply an NTSC Monoscope signal to a Video Input.
2. Select the Monoscope as the signal source (Input button)
3. Activate the Adjustment Mode, Defl. Jungle Function.
4. Select and adjust each of the following items.

• “7 VHGT” ... so the vertical marker sum = 4
• “1 HWD” ... so the horizontal marker sum = 7

5. Save data and Exit the Service Mode.

HD Mode

1. Supply a HD 1080i Monoscope signal to the DTV Inputs.
2. Select the DTV Inputs as the signal source (Input button)
3. Activate the Service Mode, Defl. Jungle Function.
4. Select and adjust each of the following items.

• “7 VHGT” ... so the vertical marker sum = 2
• “1 HWD” ... so the horizontal marker sum = 10

5. Save data and Exit the Service Mode.

[Deflection Circuit]

19: Deflection Geometry

Height & Width Adjustment

CIRCUIT ADJUST MODE

Activate …….. MENU-8-2-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)

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Summary of Contents for WS-55807

Page 1: ...S 65807 WS 55857 WS 65857 5 round type full range 2 pcs 8Ω 10W WS 55907 WS 65907 WS 73907 5 round type full range 2 pcs 8Ω 10W 2 round type tweeter 2 pcs 8Ω 10W Weight WT 46807 121 lbs WS 55807 250 lbs WS 65807 323 lbs WS 55857 243 5 lbs WS 65857 321 5 lbs WS 55907 256 lbs WS 65907 348 lbs WS 73907 405 lbs Cabinet Model H x W x D Dimensions WT 46807 37 4 x41 6 x28 WS 55807 51 6 x50 6 x28 3 WS 6580...

Page 2: ......

Page 3: ...857 WS 55907 WS 65857 WS 65907 WS 73907 WT 46807 15 Lenticular Screen and Fresnel Lens Installation 16 SERVICING THE DIAMONDSHIELDTM r DiamondShieldTM Removal Installation 17 SERVICING PCBs PCB Locations and Chassis Removal 18 Main Component Locations 18 CRT REPLACEMENT CRT Removal 19 CRT Installation 20 ELECTRICAL ADJUSTMENTS Test Equipment 22 Initial Setup 22 Self Diagnostics 24 Circuit Adjustme...

Page 4: ...ts Designation 47 Parts Tolerance Codes 47 Quick Reference List 48 Service Parts List 49 CIRCUITRY BLOCK DIAGRAMS Standby Supply Regulator 66 Switched Supply Regulator 67 Video Color A V Switch Circuit 68 Video Color Signal Path 69 Sync Signal Path 70 Deflection HV 71 X Ray Protect 71 Sound Circuit 72 Convergence 73 Control Circuit 74 Section 2 Schematic Diagrams SCHEMATIC DIAGRAMS Overall Block D...

Page 5: ...parts list section of this service manual includes 1 Cabinet and screen parts 2 Electrical parts Schematic and block diagrams of the above listed models are included in this service manual for better under standing of the circuitry PCB drawings are also included for easy location of parts and test points PRODUCT SAFETY NOTICE Many electrical and mechanical parts in television receivers have specia...

Page 6: ...nent with regard to X Radiation High voltage must be set as prescribed under the section titled Electrical Adjustments Leakage current check Before returning the receiver to the customer it is recommended that leakage current be measured according to the following methods 1 Cold Check With the alternating current AC plug removed from the AC source place a jumper across the two AC plug prongs Conne...

Page 7: ...807 Refer to the Parts List for Part Numbers 1a Front Cabinet Disassembly 1 Remove the Speaker Grille by pulling forward 2 Remove 2 screws b to remove the Control Panel 3 Remove the Board Front by removing 4 screws a 4 Remove the 4 screws c holding the Screen Assembly 5 Lift the Screen Assembly up and away from the cabinet ...

Page 8: ...LY FRONT VIEW WS 55807 WS 65807 Refer to the Parts List for Part Numbers 1b Front Cabinet Disassembly 1 Remove the Speaker Grille by pulling forward 2 Remove the Board Front by removing 4 screws a 3 Remove the 5 screws b holding the Screen Assembly 4 Lift the Screen Assembly up and away from the cabinet ...

Page 9: ...S 65857 Refer to the Parts List for Part Numbers 1c Front Cabinet Disassembly 1 Remove the Speaker Grille by pulling forward 2 Remove 2 screws a to remove the Control Panel 3 Remove the Board Front by removing 4 screws b 4 Remove the 4 screws c holding the Screen Assembly 5 Lift the Screen Assembly up and away from the cabinet ...

Page 10: ...to the Parts List for Part Numbers 1d Front Cabinet Disassembly 1 Remove the Cover Front the two Speaker Grilles and Cover Control by pulling forward 2 Remove 2 screws a to remove the Control Panel 3 Remove the Board Front by removing 4 screws b 4 Remove the 4 screws c holding the Screen Assembly 5 Lift the Screen Assembly up and away from the cabinet ...

Page 11: ...46807 Refer to the Parts List for Part Numbers 2a Rear Cabinet Disassembly 1 Remove 15 screws a holding the Back Board 2 Remove the 13 screws b holding the Back Cover 3 Remove the 3 screws d securing each Board Shelf 3 Remove the 4 screws c securing the Light Box Assembly 4 Slide the Light Box out the rear of the Cabinet ...

Page 12: ...07 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Refer to the Parts List for Part Numbers 2b Rear Cabinet Disassembly 1 Remove 12 screws a holding the Back Board 2 Remove the 4 screws c holding each Board Shelf 3 Remove the 4 screws b securing the Light Box Assembly 4 Slide the Light Box out the rear of the Cabinet ...

Page 13: ...n removing setting down and re installing being careful not to tilt back ward or forward on the guide pins 1 Remove the lower screw from each side of the TV back On both sides pull off the two plastic caps and remove the two exposed screws 2 Lift the cabinet top straight up until the guide pins clear the holes in the bottom cabinet DO NOT use the screen frame when lifting the cabinet top 3 Careful...

Page 14: ...ay cause fire and heat related injuries WS 55807 WS 65807 1a Lenticular Screen and Fresnel Lens Removal 1 Remove the screen assembly as shown in the Cabinet Disassembly procedure 2 Remove the screws a securing the Screen Holder 3 Slide the Lenticular Screen and Fesnel Lens from the Screen Frame Note When separating the Lenticular Screen from the Fresnel Lens use caution while prying the Screen and...

Page 15: ... 65857 WS 55907 WS 65907 WS 73907 WT 46807 1a Lenticular Screen and Fresnel Lens Removal 1 Remove the screen assembly as shown in the Cabinet Disassembly procedure 2 Remove the Screen Frame top section by removing 4 screws a 3 Carefully grasp the Lenticular Screen and Fresnel Lens combination and pull upward and out of the Screen Frame Assembly Note When separating the Lenticular Screen from the F...

Page 16: ...y deform the Lenticular Screen and Fresnel Lens 1 Apply double coated tape Part LENS TAPE along the top front edge of the Fresnel Lens as shown below Refer to the Table below for proper tape length 2 Place the Fresnel Lens on top of the Lenticular Screen and apply pressure at the top edge to bond them together as shown below Model Screen Size Tape Length WT 46807 46 40 WS 55807 55 47 8 WS 55857 55...

Page 17: ...he Shield and pull the Shield slightly away from the unit Place your hands at the points shown and gently bow the Shield toward you and remove from the unit Then re install the two clips Top Bottom Molding Clips Side Molding Clips 1 Gently insert a small screwdriver between the DiamondShield and one end of the clip to pry the clip loose 2 Remove both clips by pulling them toward you 3 Carefully in...

Page 18: ...907 PCB Locations and Chassis Removal Main Component Locations Chassis Removal 1 Remove the 3 screws a securing the rear of the chassis 2 Pull up slightly of the 2 front chassis locks b 3 Disconnect all intercon necting cables 4 Carefully slide the chassis out the rear of the cabinet ...

Page 19: ...Remove the Back Board 3 Remove the Anode Lead Wire from the CR Block 4 Remove the PCB CRT 5 Remove 4 hex screws a retaining the Optical Unit Figure 5 1 6 Remove 4 screws b retaining the Lens Note DO NOT loosen the RED screws Doing so will break the seal between the C Element and the 6 Lens causing leakage of the CRT Coolant 7 Remove 4 screws c retaining the CRT Figure 5 2 8 Remove the Deflection Y...

Page 20: ...pace between them filled with ethylene glycol Care should be taken during handling and installation to prevent shock from disrupting the seal or alignment between the CRT and Inner Lens Figure 5 3 Note The CRT fixing screws should not be loosened nor should they be removed Figure 5 4 1 Carefully position the replacement CRT and fasten in place using 4 screws d Figure 5 6 Figure 5 6 Figure 5 5 Figu...

Page 21: ...Lens so that the Label faces the direction shown in Figure 5 8 b Install the mounting screws Figure 5 1 4 Connect the PCB CRT 5 Insert the Optical Unit into the Light Box Assembly 6 Insert the Anode Lead Wire into the Flyback Transformer 7 Re clamp the Lead Wire in its original position Adjustment procedures after replacing the CRT s CRT Cut Off White Balance Adjustment Static Convergence Adjustme...

Page 22: ... Supply Multiplex Audio Signal Generator Direct Current Ampere Meter 2 Test Signals A Monoscope Signal When called for use the NTSC or HD 1080i monoscope signal shown B Color Bar Signal Use the color bar signal shown below unless otherwise specified in this manual 3 Initial Setup A Option Menu Setup Follow the steps below for the initial set up 1 Select the MENU display by pressing the MENU button...

Page 23: ...ies Clock Time N A Set Day N A AV Network OFF External Audio System NO AV Receiver at Input 1 None Audio Output Variable Antenna A On Antenna B On DTV YPrPb Input 1 Input 1 Input 2 Input 2 Input 3 Input 3 Input 4 Input 4 Component 1 Comp 1 component 2 Comp 2 Closed Captions With Mute CC Background Gray CAPTIONS SETUP CLOCK AV CONNECTION INPUT ASSIGNMENT Input ANT A Channel 3 Memory Deleted Name N ...

Page 24: ...d The LED then flashes indicating the value of the LSD ones digit of the Error Code The Error Code is repeated a total of 5 times Example For Error Code is 24 the LED will flash 2 times pause and then flash 4 times 3 Error Codes The Error Code designations indicating a malfunction or no malfunction are listed below 12 indicates no error has occured 21 X Ray Protect circuit 22 Short Protect circuit...

Page 25: ... After selecting an adjustment Item use the ADJUST UP DOWN buttons to change data Press ADJUST DOWN to decrease the data value Press ADJUST UP to increase the data value D Saving Adjustment Data Press ENTER to save adjustment data in memory The character display turns red for approximately one second in this step Note If the circuit adjustment mode is terminated without pressing ENTER changes in a...

Page 26: ...ss of sync while changing modes Exit the Option Menu Press MENU twice Select the DTV Inputs as the signal source INPUT button Activate the Convergence Mode the Convergence mode will be in the HD mode and the internal crosshatch is displayed 4 After adjusting Convergence be sure to set the DTV Port back to AUTO Select an analog Input as the signal source INPUT button Activate the Factory Option Men...

Page 27: ...layed to make Fine Blue Convergence Adjustments Cursor In the Fine mode a Cursor is added to the Crosshatch The ENTER button toggles the Cursor between two modes MOVE blinking Cursor use the ADJUST buttons to select any of 64 points on the Crosshatch ADJUST Non blinking Cursor the ADJUST buttons adjust the active color at the current Cursor position horizontally or vertically Cursor Coordinates Sp...

Page 28: ...3 31 31 73 Only VIDEO CHROMA Function IC2V00 Function Display Adjustment Data Initial Data Notes Item Abbrev Description Range NTSC HD 480P VGA 1 SCT Picture Gain Control 0 63 42 Sub Contrast 2 SBRT Sub Brightness 0 63 18 Black Level 3 SCOL Sub Color 0 15 2 2 2 2 Preset 4 STIN Sub Tint 0 15 7 7 7 7 5 SCON Sub Contrast 0 15 2 2 2 2 6 RDRH R Drive high 0 63 42 42 White Balance 7 GDR G Drive 0 63 50 ...

Page 29: ...ev Description Range Data 1 TNTM Main Tint 0 63 30 Preset 2 COLM Main Color 0 63 19 3 YDRM Main Gain Control 0 31 12 Main Y Level DYNAMIC FOCUS MENU 8 2 5 9 Item Number Abbrev Name Description Data SD HD 0 DFH Dynamic Focus Horizontal 175 1 DFV Dynamic Focus Vertical 100 IRIS Function Function Display Adjustment Data Initial Notes Item Abbrev Description Range Data 1 0T1 Lower thresh hold voltage ...

Page 30: ...ot exceed 200 CONV RED Items MENU 8 2 5 9 5 Item Abbrev Description Notes Number Name 46 55 65 73 0 HSTA Horizontal Position 75 75 40 50 Static Conv 1 HLIN Horiz Linearity 225 210 210 200 Coarse Conv 2 SKEW Skew Y axis rotation 5 5 10 10 Coarse Conv 3 HWID Width 15 20 25 5 Coarse Conv 4 HSBW Horiz Side Bow Correction 30 30 30 30 Coarse Conv 5 VST Vertical Position 20 20 20 20 Static Conv 6 VKEY Ve...

Page 31: ...Page 31 MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Adjustment Test Point Locations ...

Page 32: ...ft Audio 7 Confirm that the left audio level at pin 6 of the JA connector is 1 56 Vp p 0 06V Note Adjustment 2 Stereo Separation must be performed after this adjustment Audio Circuit 1 MCS Input Level Oscilloscope Conector JA pin 8 10mV Div RF Stereo RF Input Audio Circuit 2 Separation Check stereo separation Poor stereo separation Note This adjustment must follow Adjustment 1 Input Level 1 Supply...

Page 33: ...performed if E2RESET or Convergence E2RESET are activated HV Circuit 3 HV Regulation Oscilloscope EA connector pins 15 1 Color Bars Video Input Video Circuit 4 Main Sub Y Level To set picture luminance Excess or insufficient brightness 1 Supply a color bar signal to a Video Input not an RF input 2 Select the color bar signal for both the main and sub pictures 3 Connect the oscilloscope to connecto...

Page 34: ... adjust Items 4 VPDS and 5 UPDS CIRCUIT ADJUST MODE Activate MENU 8 2 5 7 Function AUDIO Item No VIDEO Adjust Data ADJUST Save Data ENTER Exit MENU twice 5 Side by Side Sub Picture Tint To set the sub picture color level Main and sub pictures color levels differs Video Circuit 6 Side by Side Sub Color Oscilloscope EB connector pin 5 200mV div 20usec div Color Bars Video Input Note Let the set run ...

Page 35: ... BDRH 42 9 CTRH 15 10 CTGH 50 11 CTBH 15 18 BRT 31 19 COL 0 CIRCUIT ADJUST MODE Activate MENU 8 2 5 7 Function AUDIO Item No VIDEO Adjust Data ADJUST Save Data ENTER Exit MENU twice DC Voltmeter NTSC White Raster RF or Video CRT Circuit 8 White Balance NTSC To set the CRTs white level in the NTSC mode Monochrome has a color tint Note Use the Expand mode full screen 1 Supply a full White Raster Sig...

Page 36: ...r optimum white 8 Set the data for Item 19 COL back to 27 CIRCUIT ADJUST MODE Activate MENU 8 2 5 7 Function AUDIO Item No VIDEO Adjust Data ADJUST Save Data ENTER Exit MENU twice White Raster NTSC HD 1080i Video DTV Inputs CRT Circuit 10 Cb Cr Offset To set U and V color signal level Incorrect colors NTSC Mode 1 Supply an NTSC White Raster 25 luminance signal to a Video Input 2 Activate the Adjus...

Page 37: ...0 10 50 0 0 0 60 70 80 90 GRADATION SCALE CIRCUIT ADJUST MODE Activate MENU 8 2 5 7 Function AUDIO Item No VIDEO Adjust Data ADJUST Save Data ENTER Exit MENU twice DC ma meter DT connector pins 7 8 Grayscale RF Input To set overall beam current to its optimum level Excess or insufficient contrast Note Activate the Expand mode full screen 1 Supply a Grayscale signal to a RF Input 2 Activate the Adj...

Page 38: ...FV to the data values given in the Table 5 Exit the Conv Mode DF Item Abbrev Data 0 DFH 175 1 DFV 100 CONVERGENCE MODE Activate MENU 8 2 5 9 Misc 6 Coarse 5 Fine 4 Color R G or B AUDIO Item No VIDEO Adjust Move ADJUST Cursor Toggle ENTER Save Exit MENU twice Monscope Video Input CRT Circuit 14 Electrostatic Focus To set electrostatic focus to the optimum point Poor focus Note This adjustment must ...

Page 39: ...Lens for best focus at the center of the Monoscope pattern Note Attach a white paper to the screen center During adjustment observe the picture on the screen from inside for easier adjustment 4 Repeat Steps 2 and 3 for the Red and Blue monochrome pictures Video Circuit 15 Lens Focus To set the Lens position for optimum focus Video Signal Video Input On Screen Display 16 Character Position To posit...

Page 40: ... Exit MENU twice NTSC HD 1080i DEFL JUNGLE MENU 8 2 5 7 Item Abbrev NTSC HD NTSC HD NTSC HD 1 HWID 44 38 33 33 57 47 2 HKEY 25 30 31 31 31 31 3 EWPT 25 31 31 26 31 26 5 EWPB 20 27 20 26 20 26 7 VHGT 31 21 38 31 38 31 8 VLIN 0 0 9 9 9 9 9 VSCN 7 7 0 0 0 0 20 VPOS 63 0 31 31 31 31 46 Data 55 65 Data 73 Data CONV GREEN MENU 8 2 5 9 Item Abbrev 46 55 65 73 0 HSTA 35 35 35 35 35 35 1 SPCC 0 0 0 0 0 0 2...

Page 41: ...Monoscope as the signal source Input button 3 Activate the Adjustment Mode Defl Jungle Function 4 Select and adjust each of the following items 7 VHGT so the vertical marker sum 4 1 HWD so the horizontal marker sum 7 5 Save data and Exit the Service Mode HD Mode 1 Supply a HD 1080i Monoscope signal to the DTV Inputs 2 Select the DTV Inputs as the signal source Input button 3 Activate the Service M...

Page 42: ...a Cursor is displayed on the crosshatch 5 Use the Cursor to adjust for straight crosshatch lines 6 Exit the Convergence Mode HD mode 1 Supply a HD 1080i signal to the DTV Inputs Note If a HD signal is not available use the Conv HD With No Signal procedure discribed in detail on page 26 Convergence Adjustment Mode 2 Select the DTV Inputs as the signal source Input button 3 Enter the Convergence Mod...

Page 43: ...ilt 6 In the Coarse Red mode use the Red Centering Magnet to converge red on the green at the center of screen Correct any red tilt with the Red Deflection Yoke 7 In the Coarse Blue mode repeat Step 6 using the Blue Centering magnet and the Blue Deflection Yoke 8 Exit the Convergence mode SD mode 1 Supply an NTSC Monoscope signal to a Video Input 2 Select the Monoscope as the signal source Input b...

Page 44: ...e If center convergence shifts use red and blue Items 0 HSTA and 5 VSTA to correct the shift 6 Exit the Convergence Mode HD mode 1 Supply a HD 1080i signal to the DTV inputs and use the Input button to select the DTV inputs as the source Note If a HD signal is not available use the Conv HD With No Signal procedure discribed in detail on page 26 Convergence Adjustment Mode 2 Repeat SD Steps 2 throu...

Page 45: ...nvergence mode HD Fine Adjustment 1 Supply a HD 1080i signal to the DTV inputs and use the Input button to select the DTV inputs as the source Note If a HD signal is not available use the Conv HD With No Signal procedure discribed in detail on page 26 Convergence Adjustment Mode 2 Repeat SD Steps 2 through 7 in the HD mode Convergence Circuit 23 Fine Convergence NTSC None HD HD 1080i sync Video DT...

Page 46: ... for more than 3 three seconds to new chip parts 5 Avoid using a rubbing stroke when soldering 6 Take care not to scratch or damage the chip parts when soldering 7 Supplementary cementing is not required Chip Parts Removal Resistors Capacitors etc 1 Grasp the part with tweezers Melt the solder at both sides alternately and remove one side of the part with a twisting motion 2 Melt the solder at the...

Page 47: ...ers will result Critical and Warranty Parts Designation Critical Electrical Components are indicated by Bold Type in the Parts List and in the schematic diagrams by shading Warranty Return Parts are indicated in the Parts List with an Parts Tolerance Codes Refer to the following chart for tolerance characteristics of electrical components MARK B C D F G J K Tolerance 0 1 0 25 0 5 1 2 5 10 MARK M N...

Page 48: ...Y CRT BLUE WT 46807 251C208040 251C208050 251C208060 WS 55807 251C207040 251C207050 251C207060 WS 55857 251C208010 251C208020 251C208030 WS 55907 251C208070 251C208080 251C208030 WS 65807 251C207070 251C207080 251C207090 WS 65857 251C207070 251C207080 251C207090 WS 65907 251C209010 251C209020 251C207090 WS 73907 251C209040 251C209050 251C209060 CRT ASSEMBLIES MODEL MIRROR LENTICULAR SCREEN FRESNEL...

Page 49: ...19AQ IC6P90 272P379020 IC LM1881MX NSC IC7A00 275P497010 IC C MOS MN102HF57KCES IC7A01 274P901010 IC C MOS TC74HCT7007AF EL IC7C01 275P533010 IC C MOS M24C64WM6T IC7C02 275P533010 IC C MOS M24C64WM6T IC7C03 275P419010 IC C MOS SN74AHCT1G126DBV IC7C05 270P645010 IC TDA8444T IC7C06 267P131010 HIC SI 3033C 23567 IC7C07 270P817010 IC L4931CDT33 TR IC7C08 270P706020 IC MAX823REUK IC7C10 275P419010 IC C...

Page 50: ...10 260P560040 TR 2SA933S S Q5H11 260P573020 TR 2SB940A P Q5H12 260P574020 TR 2SD1264A P Q5K00 260P664030 TR 2SC4636 Q5K01 260P664030 TR 2SC4636 Q5K02 260P559050 TR 2SC1740S E Q5K03 260P560040 TR 2SA933S S Q6B00 260P649020 TR 2SC3942 Q6B02 260P696010 TR 2SC3790 Q6B03 260P627020 TR 2SA1480 D E Q6B04 260P560040 TR 2SA933S S Q6G00 260P649020 TR 2SC3942 Q6G02 260P696010 TR 2SC3790 Q6G03 260P627020 TR 2...

Page 51: ... 264P045040 DIODE 1S24710M D9A66 264P045040 DIODE 1S24710M COILS L1A06 409P923060 EMI F CHIP BLM21B272S L1A07 409P923060 EMI F CHIP BLM21B272S L1A13 409P923060 EMI F CHIP BLM21B272S L1B06 409P923060 EMI F CHIP BLM21B272S L1B07 409P923060 EMI F CHIP BLM21B272S L1B13 409P923060 EMI F CHIP BLM21B272S L2C01 325C146050 COIL CHIP 15MH J L2C03 409P777080 EMI F CHIP BLM21P221S L2C05 409P777080 EMI F CHIP ...

Page 52: ...030 COIL CHIP 10MH K L7H17 325C241030 COIL CHIP 10MH K L7H18 325C241030 COIL CHIP 10MH K L7H19 409P777080 EMI F CHIP BLM21P221S L7H20 325C241030 COIL CHIP 10MH K L7H30 325C241030 COIL CHIP 10MH K L7H31 325C241030 COIL CHIP 10MH K L7H32 409P777080 EMI F CHIP BLM21P221S L7H38 325C241030 COIL CHIP 10MH K L7H40 325C241030 COIL CHIP 10MH K L7H41 409P777080 EMI F CHIP BLM21P221S L7H42 409P777080 EMI F C...

Page 53: ...CHIP CNF20C470S CKD510JB1H470S LC8A21 409P876020 EMI F CHIP CNF20C470S CKD510JB1H470S LC8A22 409P876020 EMI F CHIP CNF20C470S CKD510JB1H470S LC8A23 409P876020 EMI F CHIP CNF20C470S CKD510JB1H470S LC8A25 409P876020 EMI F CHIP CNF20C470S CKD510JB1H470S LC8M05 409P876020 EMI F CHIP CNF20C470S CKD510JB1H470S 23567 LC8M06 409P876020 EMI F CHIP CNF20C470S CKD510JB1H470S 23567 LC8M11 409P876020 EMI F CHI...

Page 54: ...00 R WIRE 2W 0 15 K R5A52 103P712010 R CARBON 1 4W 470 J R5A53 103P711000 R CARBON 1 4W 56 J R5A54 103C190090 R METAL 3W 47 J R5A55 103P712050 R CARBON 1 4W 1K J R5A56 103P715060 R CARBON 1 4W 390K J R5A59 103P461030 R METAL 1 4W 330 F R5A60 103P463010 R METAL 1 4W 1 8K F R5A61 103P713060 R CARBON 1 4W 8 2K J R5A65 103P141030 R CARBON 1 2W 100 J R5A68 103P463040 R METAL 1 4W 2 4K F 7 R5A68 103P463...

Page 55: ...01M Z C2C30 154P331090 C CER CHIP CH50V 22P J C2C31 154P331090 C CER CHIP CH50V 22P J C2C32 141P139030 C CER CHIP B25V 0 1M K C2C45 141P139030 C CER CHIP B25V 0 1M K C2C46 141P139030 C CER CHIP B25V 0 1M K C2C50 141P132010 C CER CHIP B50V 0 01M K C2C53 141P139030 C CER CHIP B25V 0 1M K C2C64 141P139030 C CER CHIP B25V 0 1M K C2C81 141P139030 C CER CHIP B25V 0 1M K C2C82 141P139030 C CER CHIP B25V ...

Page 56: ...0 C CER CHIP B50V 0 01M K C2V51 141P132010 C CER CHIP B50V 0 01M K C2V52 141P132010 C CER CHIP B50V 0 01M K C2V58 141P139090 C CER CHIP B16V 0 47M K C2V62 141P139030 C CER CHIP B25V 0 1M K C2V63 141P139030 C CER CHIP B25V 0 1M K C2V64 141P139030 C CER CHIP B25V 0 1M K C2V67 141P139090 C CER CHIP B16V 0 47M K C2V68 141P139090 C CER CHIP B16V 0 47M K C2V69 141P139090 C CER CHIP B16V 0 47M K C2V70 14...

Page 57: ...ESTER 50V 0 1M J C3E14 172P262050 C M POLYESTER 50V 0 1M J C4A01 141P133080 C CER CHIP F50V 0 01M Z C4A02 141P134070 C CER CHIP B16V 1M K C4A04 172P262050 C M POLYESTER 50V 0 1M J C4A05 172P262050 C M POLYESTER 50V 0 1M J C4A06 141P135020 C CER CHIP F25V 0 47M Z C4A07 154P337040 C CER CHIP CH50V 2700P J C4A08 154P334070 C CER CHIP CH50V 330P J C4A11 141P133080 C CER CHIP F50V 0 01M Z C4A23 141P139...

Page 58: ...IP F50V 0 01M Z C7C28 141P133080 C CER CHIP F50V 0 01M Z C7C30 181P350010 C ELEC 16V 4700M M C7C31 141P139030 C CER CHIP B25V 0 1M K C7C32 141P139030 C CER CHIP B25V 0 1M K C7C33 141P139030 C CER CHIP B25V 0 1M K C7D06 181P520030 C E CHIP 6 3V 47M M 105C C7D07 141P133080 C CER CHIP F50V 0 01M Z C7D09 141P133080 C CER CHIP F50V 0 01M Z C7D10 141P133080 C CER CHIP F50V 0 01M Z C7D11 181P522060 C E C...

Page 59: ...P B25V 0 1M K C7E95 141P139030 C CER CHIP B25V 0 1M K C7E96 141P139030 C CER CHIP B25V 0 1M K C7E97 141P139030 C CER CHIP B25V 0 1M K C7E98 141P139030 C CER CHIP B25V 0 1M K C7E99 141P135080 C CER CHIP F50V 0 1M Z C7G00 141P133080 C CER CHIP F50V 0 01M Z C7G01 141P133080 C CER CHIP F50V 0 01M Z C7G02 181P520040 C E CHIP 6 3V 100M M 105C C7G03 141P133080 C CER CHIP F50V 0 01M Z C7G04 181P520030 C E...

Page 60: ...M J 235678 C7K25 172P262050 C M POLYESTER 50V 0 1M J 23567 C7K26 172P262050 C M POLYESTER 50V 0 1M J 23567 C7L22 172P262050 C M POLYESTER 50V 0 1M J 1 4 C8A07 141P133080 C CER CHIP F50V 0 01M Z C8A09 141P133080 C CER CHIP F50V 0 01M Z C8A10 141P133080 C CER CHIP F50V 0 01M Z C8A11 141P133080 C CER CHIP F50V 0 01M Z C8A12 141P133080 C CER CHIP F50V 0 01M Z C8A13 154P323080 C CER CHIP SL50V 120P J C...

Page 61: ...N13 181P500030 C E CHIP 6 3V 47M M 23567 C8N130 141P139030 C CER CHIP B25V 0 1M K 23567 C8N14 141P139030 C CER CHIP B25V 0 1M K 23567 C8N151 181P520010 C E CHIP 6 3V 22M M 105C 23567 C8N152 141P139030 C CER CHIP B25V 0 1M K 23567 C8N153 141P132010 C CER CHIP B50V 0 01M K 23567 C8N154 181P506020 C E CHIP 50V 2 2M M 23567 C8N155 181P500030 C E CHIP 6 3V 47M M 23567 C8N156 141P132010 C CER CHIP B50V ...

Page 62: ...H ON 235678 S7L01 432P089010 SW KEY BOARD PUSH ON 235678 S7L02 432P089010 SW KEY BOARD PUSH ON 235678 S7L03 432P089010 SW KEY BOARD PUSH ON 235678 S7L04 432P089010 SW KEY BOARD PUSH ON 235678 S7L05 432P089010 SW KEY BOARD PUSH ON 235678 S7L06 432P089010 SW KEY BOARD PUSH ON 235678 S7L07 432P089010 SW KEY BOARD PUSH ON 235678 S7L08 432P089010 SW KEY BOARD PUSH ON 235678 S7L09 432P089010 SW KEY BOAR...

Page 63: ...X8S01 285P391020 OSC DSO751SV 33 333 MHZ 23567 Z7K01 939P617010 UNIT PREAMP GP1U283Q PRINTED CIRCUIT BOARDS 930B866001 ASSY PWB MAIN 1245 930B866002 ASSY PWB MAIN 8 930B866003 ASSY PWB MAIN 7 930B866004 ASSY PWB MAIN 3 6 930B867001 ASSY PWB POWER 930B868001 ASSY PWB SIGNAL 1 4 930B868002 ASSY PWB SIGNAL 2 5 930B868003 ASSY PWB SIGNAL 3 6 930B868004 ASSY PWB SIGNAL 7 930B868005 ASSY PWB SIGNAL 8 93...

Page 64: ...060040 CLIP SCREEN TOP BOT 5 622C063040 HOLDER SCREEN BOT 6 701B400080 FRAME SCREEN TOP 60 7 701B417010 FRAME SCREEN SIDE 55 8 702A388030 CAP CORNER LEFT 9 702A388040 CAP CORNER RIGHT 10 760D627060 DIAMOND SHIELD WS 65807 Figure1 1 491P105020 SCREEN LENTICULAR 2 491P106020 LENS FRESNEL 3 702A393020 PANEL CONTROL 4 622C059050 HOLDER SCREEN BOT 5 622C060050 CLIP SCREEN TOP BOT 6 701B425010 FRAME SCR...

Page 65: ...22C071020 CLIP SCREEN TOP BOT 4 6 701B429020 SCREEN FRAME TOP BOT 65 5 701B430020 SCREEN FRAME SIDES 65 7 702A396010 CAP CORNER 8 760D627070 DIAMOND SHIELD WS 65907 Figure2 1 491P105010 SCREEN LENTICULAR 2 491P106010 LENS FRESNEL 3 622D746020 CLIP SCREEN SIDES 4 711C026040 FRAME SCREEN TOP 65 5 711C026050 FRAME SCREEN SIDES 65 6 711C026060 FRAME SCREEN BOTTOM 65 7 768C065010 CAP CORNER 8 760D62802...

Page 66: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 66 STANDBY SUPPLY REGULATOR ...

Page 67: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 67 SWITCHED SUPPLIES REGULATOR ...

Page 68: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 68 VIDEO COLOR A V SWITCH CIRCUIT ...

Page 69: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 69 PCB SIGNAL Y C PATH ...

Page 70: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 70 SYNC PATH ...

Page 71: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 71 DEFLECTION CIRCUIT X RAY PROTECT ...

Page 72: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 72 SOUND CIRCUIT ...

Page 73: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 73 CONVERGENCE CIRCUIT ...

Page 74: ...MODELS WT 46807 WS 55807 WS 55857 WS 55907 WS 65807 WS 65857 WS 65907 WS 73907 Page 74 CONTROL CIRCUIT ...

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Page 84: ...65857 V17 MODELS WS 55907 WS 65907 WS 73907 WS 73907 P P P P PAR AR AR AR ART 2 T 2 T 2 T 2 T 2 SCHEMA SCHEMA SCHEMA SCHEMA SCHEMATIC DIA TIC DIA TIC DIA TIC DIA TIC DIAGRAMS GRAMS GRAMS GRAMS GRAMS Refer to PART 1 for Specifications Safety Precautions Disassembly CRT Replacement Electrical Adjustments Parts List Block Diagrams CONTENTS Page Overall PCB Block Diagram 1 PCB POWER 2 PCB MAIN 3 PCB S...

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