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Durabrand DCF2703, Service Manual

The Durabrand DCF2703 owner's manual is available for free download at manualshive.com, ensuring you have all the information you need to operate and enjoy this high-quality product. With a comprehensive manual at your fingertips, understanding and optimizing the features of the DCF2703 has never been easier.

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20030417

13-2

L6525EL

C305

ELECTROLYTIC CAP. 0.1

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F/50V M or

CE1JMASTLR10

ELECTROLYTIC CAP. 0.1

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F/50V M

CE1JMASDLR10

C306

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CE1AMASTL101

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F/10V M

CE1AMASDL101

C309

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CE1JMASTLR10

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F/50V M

CE1JMASDLR10

C321

B

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B

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F/50V M

CE1JMASDLR10

C322

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F/50V M or

CE1JMASTLR47

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F/50V M

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C323

B

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F/50V M

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C324

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CE1JMASTL100

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C325

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C328

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C329

CERAMIC CAP.(AX) F Z 0.01

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C330

STACKED FILM CAP. 0.47

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C331

CERAMIC CAP.(AX) B K 1000pF/50V

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C332

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CE1JMASTL100

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C341

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C342

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CE1JMASTL010

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CE1JMASDL1R0

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C343

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C345

ELECTROLYTIC CAP. 2200

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F/10V M or

CE1AMZNTL222

ELECTROLYTIC CAP. 2200

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F/10V M

CE1AMZNDL222

C347

ELECTROLYTIC CAP. 470

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F/10V M or

CE1AMASTL471

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F/10V M

CE1AMASDL471

C349

ELECTROLYTIC CAP. 470

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F/10V M or

CE1AMASTL471

ELECTROLYTIC CAP. 470

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F/10V M

CE1AMASDL471

C351

CERAMIC CAP.(AX) B K 100pF/50V

CCA1JKT0B101

C352

CERAMIC CAP.(AX) B K 100pF/50V

CCA1JKT0B101

C353

ELECTROLYTIC CAP. 1

µ

F/50V M or

CE1JMASTL1R0

ELECTROLYTIC CAP. 1

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F/50V M or

CE1JMASTL010

ELECTROLYTIC CAP. 1

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F/50V M or

CE1JMASDL1R0

ELECTROLYTIC CAP. 1

µ

F/50V M

CE1JMASDL010

C401

ELECTROLYTIC CAP. 3.3

µ

F/50V M or

CE1JMASTL3R3

ELECTROLYTIC CAP. 3.3

µ

F/50V M

CE1JMASDL3R3

C402

ELECTROLYTIC CAP. 3.3

µ

F/50V M or

CE1JMASTL3R3

ELECTROLYTIC CAP. 3.3

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F/50V M

CE1JMASDL3R3

C403

CERAMIC CAP.(AX) F Z 0.1

µ

F/50V or

CA1J104TU014

CERAMIC CAP.(AX) F Z 0.1

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F/50V

CCA1JZT0F104

C404

CERAMIC CAP.(AX) B K 0.022

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F/50V

CA1J223TU011

C405

CERAMIC CAP. F Z 0.1

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F/25V

CDA1EZT0F104

C406

CERAMIC CAP.(AX) B K 0.033

µ

F/50V

CA1J333TU011

C411

ELECTROLYTIC CAP. 4.7

µ

F/50V M or

CE1JMASTL4R7

ELECTROLYTIC CAP. 4.7

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F/50V M

CE1JMASDL4R7

C413

ELECTROLYTIC CAP. 100

µ

F/10V M or

CE1AMASTL101

ELECTROLYTIC CAP. 100

µ

F/10V M

CE1AMASDL101

C414

ELECTROLYTIC CAP. 2.2

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F/50V M or

CE1JMASTL2R2

ELECTROLYTIC CAP. 2.2

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F/50V M

CE1JMASDL2R2

C415

CERAMIC CAP.(AX) B K 150pF/50V

CCA1JKT0B151

C416

CERAMIC CAP.(AX) B K 150pF/50V

CCA1JKT0B151

C417

ELECTROLYTIC CAP. 2.2

µ

F/50V M or

CE1JMASTL2R2

ELECTROLYTIC CAP. 2.2

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F/50V M

CE1JMASDL2R2

C421

ELECTROLYTIC CAP. 4.7

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F/50V M or

CE1JMASTL4R7

ELECTROLYTIC CAP. 4.7

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F/50V M

CE1JMASDL4R7

Ref. No. Mark

Description

Part No.

C423

CERAMIC CAP.(AX) X K 4700pF/16V

CDA1CKT0X472

C424

ELECTROLYTIC CAP. 1

µ

F/50V M or

CE1JMASTL1R0

ELECTROLYTIC CAP. 1

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F/50V M or

CE1JMASTL010

ELECTROLYTIC CAP. 1

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F/50V M or

CE1JMASDL1R0

ELECTROLYTIC CAP. 1

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F/50V M

CE1JMASDL010

C426

ELECTROLYTIC CAP. 4.7

µ

F/50V M or

CE1JMASTL4R7

ELECTROLYTIC CAP. 4.7

µ

F/50V M

CE1JMASDL4R7

C428

CERAMIC CAP.(AX) X K 4700pF/16V

CDA1CKT0X472

C429

ELECTROLYTIC CAP. 1

µ

F/50V M or

CE1JMASTL1R0

ELECTROLYTIC CAP. 1

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F/50V M or

CE1JMASTL010

ELECTROLYTIC CAP. 1

µ

F/50V M or

CE1JMASDL1R0

ELECTROLYTIC CAP. 1

µ

F/50V M

CE1JMASDL010

C441

ELECTROLYTIC CAP. 10

µ

F/50V M or

CE1JMASTL100

ELECTROLYTIC CAP. 10

µ

F/50V M

CE1JMASDL100

C442

ELECTROLYTIC CAP. 2.2

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F/50V M or

CE1JMASTL2R2

ELECTROLYTIC CAP. 2.2

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F/50V M

CE1JMASDL2R2

C444

ELECTROLYTIC CAP. 0.33

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ELECTROLYTIC CAP. 0.33

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F/50V M

CE1JMASDLR33

C445

FILM CAP.(P) 0.1

µ

F/50V J or

CMA1JJS00104

FILM CAP.(P) 0.1

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F/50V J or

CA1J104MS029

FILM CAP.(P) 0.1

µ

F/50V J TV or

CMB1JJS00104

MYLAR CAP. 0.1

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2250104S

C446

FILM CAP.(P) 0.1

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CMA1JJS00104

FILM CAP.(P) 0.1

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CA1J104MS029

FILM CAP.(P) 0.1

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CMB1JJS00104

MYLAR CAP. 0.1

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2250104S

C448

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CE1JMASTL2R2

ELECTROLYTIC CAP. 2.2

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CE1JMASDL2R2

C501

A

FILM CAP.(P) 0.1

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CMA1JJS00104

A

FILM CAP.(P) 0.1

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CA1J104MS029

A

FILM CAP.(P) 0.1

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F/50V J TV or

CMB1JJS00104

A

MYLAR CAP. 0.1

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F/50V K

2250104S

C501

B

FILM CAP. 0.22

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F/50V J or

122Z313S

B

TF  CAP.  0.22

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F/50V J

CT1J224MS045

C502

CERAMIC CAP.(AX) B K 1000pF/50V

CCA1JKT0B102

C503

ELECTROLYTIC CAP. 100

µ

F/35V M or

CE1GMASTL101

ELECTROLYTIC CAP. 100

µ

F/35V M

CE1GMASDL101

C504

A

ELECTROLYTIC CAP. 2.2

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F/50V M LL or

CE1JMASLL2R2

A

ELECTROLYTIC CAP. 2.2

µ

F/50V LL

CE1JMASLH2R2

C504

B

ELECTROLYTIC CAP. 1

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F/50V M LL or

CE1JMASLL1R0

B

ELECTROLYTIC CAP. 1

µ

F/50V LL

CE1JMASLH1R0

C505

ELECTROLYTIC CAP. 1000

µ

F/35V M or

CE1GMZNTL102

ELECTROLYTIC CAP. 1000

µ

F/35V M or

CE1GMZNDL102

ELECTROLYTIC CAP. 1000

µ

F/35V M

CE1GMZADL102

C506

ELECTROLYTIC CAP. 1000

µ

F/35V M or

CE1GMZNTL102

ELECTROLYTIC CAP. 1000

µ

F/35V M or

CE1GMZNDL102

ELECTROLYTIC CAP. 1000

µ

F/35V M

CE1GMZADL102

C508

CERAMIC CAP.(AX) F Z 0.01

µ

F/25V

CDA1EZT0F103

C520

B

ELECTROLYTIC CAP. 10

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F/50V M or

CE1JMASTL100

B

ELECTROLYTIC CAP. 10

µ

F/50V M

CE1JMASDL100

C532

ELECTROLYTIC CAP. 100

µ

F/10V M or

CE1AMASTL101

ELECTROLYTIC CAP. 100

µ

F/10V M

CE1AMASDL101

C541

A

FILM CAP.(P) 0.082

µ

F/50V J or

CMA1JJS00823

A

FILM CAP.(P) 0.082

µ

F/50V J or

CA1J823MS029

A

FILM CAP.(P) 0.082

µ

F/50V J TV

CMB1JJS00823

C541

B

FILM CAP.(P) 0.082

µ

F/50V J or

CMA1JJS00823

B

FILM CAP.(P) 0.082

µ

F/50V J

CA1J823MS029

C551

CERAMIC CAP. B K 680pF/1KV or

CCD3AKD0B681

CERAMIC CAP. B K 680pF/1KV or

CCD3AKP0B681

CERAMIC CAP. B K 680pF/1KV

CA3A681MR028

Ref. No. Mark

Description

Part No.

Summary of Contents for DCF2703

Page 1: ...20 COLOR TELEVISION DCF2003 27 COLOR TELEVISION DCF2703 SERVICE MANUAL ...

Page 2: ...valuate and advice the service trade of all con ceivable ways in which service might be done or of the possible hazardous consequences of each way Consequently Funai has not undertaken any such broad evaluation Accordingly a servicer who uses a service proce dure or tool which is not recommended by Funai must first use all precau tions thoroughly so that neither his safety nor the safe operation o...

Page 3: ... dBµv 15 15 15 30 30 40 3 AFT Pull In Range 10mV input MHz 2 2 0 7 Description Condition Unit Nominal Limit 1 Deflection Freq Horizontal Vertical KHz Hz 15 734 60 2 Linearity Horizontal Vertical 15 10 3 Over Scan 10 4 High Voltage KV 26 DCF2003 29 DCF2703 Description Condition Unit Nominal Limit 1 Misconvergence Center Side Corner mm mm mm 0 4 1 5 2 1 2 Brightness APL 100 Ft L 40 DCF2003 25 DCF200...

Page 4: ...y drop slightly below these specifications Limit specifications represent the absolute worst condition that still might be considered acceptable In no case should a unit fail to meet limit specifications Description Condition Unit Nominal Limit 1 Audio Output Power 10 THD W 1 DCF2003 0 8 DCF2003 10 THD W 3 DCF2703 2 4 DCF2703 2 Audio Distortion w LPF 500mW 2 7 3 Audio Freq Response 3dB Hz 100 11K ...

Page 5: ...ngs tied together and touch the other ohmme ter lead in turn to each tuner antenna input ex posed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2 mego hm an abnormality exists that must be corrected before the instrument is returned to the customer Repeat this test with the instrument AC switch in the off position d L...

Page 6: ...the ground side of the AC power source To confirm that the AC power plug is inserted correctly with an AC volt meter measure between the chassis and a known earth ground If a voltage reading in excess of 1 0V is obtained remove and reinsert the AC power plug in the opposite polarity and again measure the voltage potential between the chassis and a known earth ground b Some TV receiver chassis norm...

Page 7: ...replaced wires do not contact sharp edged or pointed parts H When a power cord has been replaced check that 5 6 kg of force in any direction will not loosen it I Also check areas surrounding repaired locations J Use care that foreign objects screws solder drop lets etc do not remain inside the set K Crimp type wire connector The power transformer uses crimp type connec tors which connect the power...

Page 8: ...xposed accessible parts RF terminals an tenna terminals video and audio input and output ter minals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 2 and followi...

Page 9: ...C is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using twee zers Fig S 1 6 Caution 1 Do not supply hot air to the chip parts around the flat pack IC for over 6 seconds because damage to the chip parts may occur Put masking tape arou...

Page 10: ... pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA con tact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing ...

Page 11: ...cur due to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1MΩ that is prop erly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the semi...

Page 12: ...o be removed unhooked un locked released unplugged unclamped or des oldered S Screw P Spring L Locking Tab CN Con nector Unhook Unlock Release Unplug or Desolder 2 S 2 two Screws S 2 5 Refer to the following Reference Notes in the Table Reference Notes in the Table 1 Removal of the Rear Cabinet Remove screws 7 S 1 S 2 and 1 S 4 then slide the Rear Cabi net backward 2 Removal of the CRT CBA Disconn...

Page 13: ...L6525DC S VIDEO VIDEO 1 IN VIDEO L R ANT IN S 1 S 1 S 1 S 2 S 1 S 4 Fig 1 1 Rear Cabinet S 1 S 1 S 1 S 1 S 1 S 1 S 4 S 2 Fig 2 3 Main CBA Fig 3 S 3 S 3 S 3 S 3 ANODE CAP CRT CBA Scotch Tape 880 4 CRT Fig 4 ...

Page 14: ...iring Diagram CN691 ANODE CN801 CLN801 SP801 L691 DEGAUSSING COIL MAIN CBA FLYBACK TRANSFORMER T571 AC601 AC CORD TU1 TUNER WH501B WH301B FOCUS SCREEN WH501A WH301A TO CRT GROUND CN571 CN1501 JK1501 CN802 CLN802 SP802 Fig 5 ...

Page 15: ...d un locked released unplugged unclamped or des oldered S Screw P Spring L Locking Tab CN Con nector Unhook Unlock Release Unplug or Desolder 2 S 2 two Screws S 2 5 Refer to the following Reference Notes in the Table Reference Notes in the Table 1 Removal of the Rear Cabinet Remove screws 7 S 1 3 S 2 and 1 S 3 then slide the Rear Cab inet backward 2 Removal of the CRT CBA Disconnect CN501 then pul...

Page 16: ...et S 2 S 3 S 1 S 1 S 1 S 3 S 1 S 2 1 Rear Cabinet S 1 Front Cabinet Control Plate Fig 7 3 Main CBA Fig 8 Front Cabinet Control Plate S 4 S 4 S 4 S 4 4 CRT 2 CRT CBA Anode Cap Degaussing Coil Front Cabinet Control Plate CRT Ground Wire Fig 9 ...

Page 17: ...iring Diagram CN691 ANODE CN801 CLN801 SP801 L691 DEGAUSSING COIL MAIN CBA FLYBACK TRANSFORMER T571 AC601 AC CORD TU1 TUNER WH501B WH301B FOCUS SCREEN WH501A WH301A TO CRT GROUND CN571 CN1501 JK1501 CN802 CLN802 SP802 Fig 5 ...

Page 18: ...repare normal remote control unit Part No N0138UD or N0139UD Remove 3 Screws from the back lid Fig 1 1 2 Added J1 Jumper Wire to the remote control CBA Fig 1 2 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on Use main power on the TV unit 3 Press SLEEP button on the service remote con trol unit Version of micro computer will display on the CRT E...

Page 19: ...CNT becomes 84 CLR 1 Press MENU button on the service remote con trol unit Then select COLOR CLR display 2 Press CH o p buttons on the service remote control unit so that the value of COLOR CLR becomes 56 S CLR 1 Press MENU button on the service remote con trol unit Then select S COLOR S CLR display 2 Press CH o p buttons on the service remote control unit so that the value of S COLOR S CLR become...

Page 20: ... Purity Check 1 Enter the Service mode See page 5 1 2 Press 7 button on the remote control unit Each time pressing 7 button on the remote control unit display changes Red mode Green mode Blue mode and White mode cyclically 3 Select White mode 4 Turn the power off and on again Main power but ton on the TV unit 6 SD Check Mode 1 Enter the Service mode See page 5 1 2 Press 1 button on the remote cont...

Page 21: ...H o p buttons on the service remote control unit so that the monoscope pattern will be 90 5 of display size and the circle is round 6 Turn the power off and on again Main power but ton on the TV unit 9 V Position Adjustment Purpose To obtain correct vertical width of screen image Symptom of misadjustment If V Position is incor rect vertical height of image on the screen may not be properly display...

Page 22: ...s correctly for pure white Symptom of Misadjustment White becomes bluish or reddish Note Use service remote control unit 1 Operate the unit more than 20 minutes 2 Face the unit to east Degauss the CRT using De gaussing Coil 3 Input the White Raster APL 100 4 Set the color analyzer to the CHROMA mode and after zero point calibration bring the optical recep tor to the center on the tube surface CRT ...

Page 23: ...clear picture The following adjustments normally are not attempted in the field Only when replacing the CRT then adjust as a preparation 15 Purity Adjustment Purpose To obtain pure color Symptom of Misadjustment If Color Purity Adjust ment is incorrect large areas of color may not be properly displayed 1 Set the unit facing east 2 Operate the unit for over 30 minutes before adjust ing 3 Fully dega...

Page 24: ... rotating RB G C P Magnet See Fig 8 3 Paintlock the C P Magnets after adjustment 4 Remove the DY Wedges and slightly tilt the De flection Yoke horizontally and vertically to obtain the best overall convergence 5 Fix the Deflection Yoke by carefully inserting the DY Wedges between CRT and Deflection Yoke Test Point Adj Point Mode Input C P Magnet RB C P Magnet RB G Deflection Yoke Dot Pattern or Cr...

Page 25: ...ote control unit Part No N0138UD or N0139UD Remove 3 Screws from the back lid Fig 1 1 2 Added J1 Jumper Wire to the remote control CBA Fig 1 2 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on Use main power on the TV unit 3 Press SLEEP button on the service remote con trol unit Version of micro computer will display on the CRT Ex 054 0 05 4 Chec...

Page 26: ...Press MENU button on the service remote control unit Then select CONTRAST CNT display 2 Press CH o p buttons on the service remote control unit so that the value of CONTRAS CNT becomes 84 CLR 1 Press MENU button on the service remote con trol unit Then select COLOR CLR display 2 Press CH o p buttons on the service remote control unit so that the value of COLOR CLR becomes 56 S CLR 1 Press MENU but...

Page 27: ... Stretch Control Adjustment Purpose To show the fine black color Symptom of Misadjustment Black color will not appear correctly Note Use service remote control unit 1 Enter the Service mode See page 5 8 2 Press 6 button on the service remote control unit B S is indicated 3 Press CH o p buttons on the service remote con trol unit so that display will change OFF 0 and 1 Then choose B S OFF 4 Press 6...

Page 28: ...n may not be properly displayed Note Use service remote control unit 1 Operate the unit for at least 20 minutes 2 Enter the Service mode See page 5 8 3 Receive the monoscope pattern 4 Press 9 button on the service remote control unit and select V S mode Display changes V S and V P cyclically when 9 button is pressed 5 Press CH o p buttons on the service remote control unit so that the monoscope pa...

Page 29: ...isplay changes U PED and V PED cyclically when 3 button is pressed 2 Switch the VIDEO mode to YUV Refer to 2 Initial Setting 3 To select one appropriate value in 0 to 15 press CH o p buttons on the remote control unit 4 Switch the VIDEO mode to previous mode 5 Turn the power off and on again Main power but ton on the TV unit 11 V Pedestal Adjustment 1 In VIDEO mode of V1 V2 or YUV press 3 button o...

Page 30: ... the alignment 2 Input the Black Raster Signal from RF Input 3 Enter the Service mode See page 5 8 4 Press VOL p button on the service remote con trol unit and select C D mode Display changes C D 7F LANGUAGE ACCESS CODE SOUND TYPE VIDEO TONE FM MODE V OUT VIDEO AV MEMO STABLE SOUND FILTER 500 and YUV MEMORY cyclically when VOL p button is pressed then press 1 The display will momentarily show CUT ...

Page 31: ... y 294 3 Note Confirm that Cut Off Adj is correct after this adjustment and attempt Cut Off Adj if needed 17 Sub Brightness Adjustment Purpose To get proper brightness Symptom of Misadjustment If Sub Brightness is incorrect proper brightness cannot be obtained by adjusting the Brightness Control Note IQW Setup level 7 5 IRE Use service remote control unit 1 Enter the Service mode See page 5 8 Then...

Page 32: ...the cross hatch pattern be comes flat 21 Convergence Adjustment Purpose To obtain proper convergence of red green and blue beams Symptom of Misadjustment If Convergence Adjust ment is incorrect the edge of white letters may have color edges 1 Loosen the Ring Lock and align red with blue dots or Crosshatch at the center of the screen by rotat ing RB C P Magnets See Fig 7 2 Align red blue with green...

Page 33: ...5 16 L6625EA 22 Yh Yv Xv Adjustment 1 Adjust the volume of Deflection Yoke Yh Yv Xv to get good convergence Xv YH Yv FRONT YH Yv Xv ...

Page 34: ...ROM TO CRT H V BLOCK PROTECT 2 PROTECT 1 PROTECT 3 P ON H P ON H KEY IN2 KEY IN1 RCV IN RCV101 IC151 MEMORY SCL 6 SDA 5 VOLUME 67 68 76 79 69 66 70 PROTECT 2 PROTECT 1 SDA 5 I2C OPEN 3 SCL 6 CN301 NO CONNECTION CN301 is used for adjustment at factory 7 CS 72 I2C OPEN IC333 TV MICON VIDEO AUDIO CHROMA DEFLECTION FROM IF VIDEO BLOCK INPUT0 55 A O MUTE TO IF VIDEO BLOCK TO AUDIO BLOCK VOLUME A O MUTE...

Page 35: ... V BLK LPF 14 20 29 11 61 53 46 45 38 37 ACL H DRIVE FBP RAMP OUT V RAMP F B JK721 VIDEO IN 24 SAW FILTER VIF AMP VIDEO DET VCO 4 5MHz FILTER LPF IF AGC DET EQ AMP RF AGC AMP AFT 4 5MHz TRAP SIF AMP 20 14 16 22 7 21 5 3 8 1 10 TU1 SF1 IF AGC SDA SCL EXT CLK 1 11 5 4 8 17 26 SIF 52 51 50 MAIN CBA VIDEO SIGNAL RF IF SIGNAL AUDIO SIGNAL JK701 VIDEO IN WF16 WF1 WF2 TO AUDIO BLOCK IC333 TV MICON VIDEO ...

Page 36: ...L EXPAND SPECTRAL RMS DET SPECTRAL FILTER OFFSET CANCEL L CH R CH MATRIX AGC OFFSET CANCEL L R FILTER L R SAP SW SAP FILTER I2C DECORDER SAP DEMOD SAP OUT FILTER 29 30 FROM IF VIDEO BLOCK TUNER REAR2 FRONT TUNER REAR2 FRONT L CH R CH 21 27 24 IC431 MTS SAP AUDIO SIGNAL PROCESS AUDIO IN L REAR2 JK702 JK702 SIF JK703 JK703 IC801 AUDIO AMP 6 7 2 DC VOL 5 DC VOL 12 Q792 Q791 Q793 8V Q794 WF6 A O MUTE ...

Page 37: ...501A VIDEO SIGNAL CN551 H OUTPUT H DRIVE B 15kHz TP302 GND TP500 BLUE TP501 X RAY CHECK TP591 TP592 PROTECT 3 DEF B AMP 7 1 Q533 6 3 PULSE UP THERMAL PROTECTION SWITCHING P ON ON 5 SWITCHING SWITCHING WF7 WF8 WF11 WF12 WF9 WF10 WF3 WF15 WF4 WF14 WF5 WF13 RED AMP PROTECT 2 RED 3 GREEN 4 BLUE 5 HEATER 3 3 200V 1 1 PROTECT 1 H CONTROL FROM POWER SUPPLY BLOCK FROM TO IF VIDEO BLOCK FROM TO SYSTEM CONT...

Page 38: ...OF IC333 Q682 P ON 5V 5V CTRL FROM PIN28 OF IC333 Q683 5V SWITCHING 5V SWITCHING 5V SWITCHING AL 9V Q321 9V SWITCHING Q674 SWITCHING P ON ON P ON H FROM PIN79 OF IC333 Q832 SWITCHING P ON ON SWITCHING P ON ON HOT CIRCUIT BE CAREFUL FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE 4 A 125V FUSE CAUTION ATTENTION UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE 4A 125V 4A 125...

Page 39: ...wings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 106 3 Resistor wattages are 1 4W or 1 6W unless otherwise specified 4 All capacitance values are indicated in µF P 10 6 µF 5 All voltages are DC voltages unless otherwise specified Note of Capacitors ...

Page 40: ...aired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Note Mark I is a leadless chip component 6 Voltage indications on the schematics are as shown below...

Page 41: ...C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 VIDEO SIGNAL Main 1 4 Schematic Diagram 7 3 7 4 L6525SCM1 MAIN 1 4 Ref No Position IC151 A 3 IC333 C 2 Q111 D 1 Q131 A 3 Q141 A 4 Q191 B 4 Q321 E 1 CN301 A 3 ICS TRANSISTORS CONNECTOR ...

Page 42: ... AUDIO SIGNAL 7 5 7 6 L6525SCM2 Main 2 4 Schematic Diagram MAIN 2 4 Ref No Position IC431 G 3 IC771 H 2 IC801 J 4 Q751 J 2 Q761 J 2 Q791 J 1 Q792 J 2 Q793 J 1 Q794 I 1 Q825 J 3 Q831 K 3 Q832 K 3 Q841 K 3 Q851 J 3 Q951 G 1 Q956 G 1 Q961 J 3 CN801 L 4 CN802 L 4 ICS TRANSISTORS CONNECTORS ...

Page 43: ... 4 Schematic Diagram CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail MAIN 3 4 Ref No Position IC33 P 3 IC601 O 1 Q21 P 4 Q...

Page 44: ...1 U 2 Q572 T 2 TP592 U 2 Q531 S 2 TP601 U 2 Q533 S 2 CN571 T 3 Q547 U 2 WH301A V 2 VR561 U 3 Q551 T 3 WH501A V 3 VR562 U 3 Q552 T 3 Q561 U 3 TP302 V 2 TRANSISTORS TEST POINTS CONNECTORS IC TRANSISTORS VARIABLE RESISTORS TEST POINTS CRT Ref No Position Q1511 W 1 Q1512 W 2 Q1521 W 1 Q1522 W 2 Q1531 W 1 Q1532 W 2 CN1501 X 2 WH301B V 2 WH501B V 3 TP500 X 1 TP501 W 2 TRANSISTORS CONNECTORS TEST POINTS ...

Page 45: ...s used in this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail MAIN CBA Ref No Position Ref No Position IC33 B 2 Q751 C 1 IC151 E 5 Q761 C 1 IC333 F 5 Q791 C 1 IC431 A 1 Q792 C 1 IC551 C 2 Q793 D 1 IC601 C 4 ...

Page 46: ...ISOLATION TRANSFORMER IS REQUIRED NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE 4A 125V FUSE ATTENTION UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE 4A 125V 4A 125V 7 13 7 14 BL6650F01011 1 CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in th...

Page 47: ...31 Collector Q1531 Base WF5 GND TP500 BLUE TP501 7 15 BL6650F01011 2 7 16 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No Position Q1511 C 1 Q1512 C 1 Q1521 C 1 Q1522 C 1 Q1531 B 1 Q1532 B 1 CN1501 A 2 WH301B B 2 WH501B A 2 TP500 B 2 TP501 B 2 TRANSISTORS CONNECTORS TEST POINTS ...

Page 48: ...F4 1DIV 2V 20µsec Q 1531 Base WF5 GND 1DIV 10V 20µsec Q 572 Collector WF7 GND 1DIV 5V 20µsec Q 571 Base WF8 1DIV 20V 20µsec Q 1531 Collector WF13 1DIV 20V 20µsec Q 1511 Collector WF15 1DIV 0 2V 20µsec TU 1 Pin 8 WF16 GND L6650WF WF1 WF16 Waveforms to be observed at Waveform check points Shown in Schematic Diagram Input NTSC Color Bar Signal with 1kHz Audio Signal INITIAL POSITION Unplug unit from ...

Page 49: ...GND RED GREEN BLUE V501 CRT ANODE L CH R CH 1 SP L 2 SP801 SPEAKER CN801 1 SP R 2 SP802 SPEAKER CN802 9 1 L6525WI T571 FBT TU1 TUNER UNIT WH501A WH501B 8V GND RED GREEN BLUE 8V HEATER 3 GND 2 200V 1 GND 2 200V 1 HEATER 3 CLN801 CLN802 SP GND SP GND BL6650F01011 2 CN301 NO CONNECTION CN301 IS USED FOR ADJUSTMENT AT FACTORY INT MONI 1 AGC 2 I2C OPEN 3 GND 4 SDA 5 SCL 6 ...

Page 50: ... VCC DC 8 7V Input 32 FSC OUT Clock Output 3 58MHz 33 MONITOR OUT Monitor Out 34 N U Not Used 35 N U Not Used 36 N U Not Used 37 V RAMP F B V Ramp Feed Back 38 V RAMP OUT Vertical Output 39 V RAMP CAP V Ramp OSC Capacitor 40 8 7 VREG OUT DC 8 7V Output 41 N U Not Used 42 H VCO F B H Vco Feed Back 43 AFC FILT Horizontal AFC Filter 44 GND GND 45 FBP IN Flyback Pulse Input 46 H OUT H Pulse Output 47 ...

Page 51: ...ite Balance Adjustment Judgement 73 AFT AFT Voltage Input 74 DG ON H Degaussing Coil Control 75 AGC AGC Voltage Input 76 PROTECT 3 Power Supply Protection 77 N U Not Used 78 FM SW Switching IF IC VCO 79 P ON H Output for P ON H 80 INPUT 1 Input Select 1 Pin No Signal Name Function ...

Page 52: ...B 4 B 12 B 13 Details for DY551 and surrounding parts SHINWHA TAPE SGT 730 WHITE SHINWHA TAPE SGT 730 BLACK V501 SP801 SP802 CLN551 CLN802 CLN801 DY551 Scotch Tape 880 L691 CRT CBA V501 1 DY551 V501 3 V501 2 PB6 PB6 B 8 B 7 B 6 L 1 L 1 B 9 L 1 L 1 L 1 MAIN CBA AC601 PB1 EXPLODED VIEWS Cabinet DCF2003 11 1 11 2 L6525CEX ...

Page 53: ...1 SP801 L 13 L 13 L 13 L 13 SP801 CLN551 A 3 A 5 B 20 B 20 B 20 B 1 B 20 B 2 B 2 B 2 B 2 A 1 A 2 B 11 B 11 A 4 L 10 L 8 L 8 L 8 L 8 L 8 L 9 L 8 B 12 Details for DY551 and surrounding parts SHINWHA TAPE SGT 730 WHITE SHINWHA TAPE SGT 730 BLACK V501 DY551 B 5 L691 CRT CBA V501 1 DY551 V501 2 PB1 ...

Page 54: ...Packing DCF2003 11 5 L6525PEX PACKING TAPE PACKING TAPE TAPE X 2 X 1 X 3 FRONT Some Ref Numbers are not in sequence S5 S6 S4 S3 S3 S2 S2 X5 S1 Bend up of the inside flap ...

Page 55: ...Packing DCF2703 11 6 L6625PEX FRONT PACKING TAPE X 4 PACKING TAPE S 5 S 4 S 6 S 3 S 2 X 3 X 2 X 1 TAPE X 5 S 1 ...

Page 56: ...BATTERY SUNRISE R6SSE 2S or XB0M451MS002 DRY BATTERY R6P AR 2PX or XB0M451HU002 DRY BATTERY R6P AR 2P X ICI XB0M451HU003 X 3 OWNER S MANUAL E L6525CR ENGLISH 0EMN02213 X 4 RETURN STOP SHEET L6101UB 0EM407077 X 5 POLYETHYLENE BAG 250X380XT0 03 Z325380 Note 1 V501 CRT HAS COUPLE OF SUBSTITUTIONAL PARTS AND EACH PARTS ALSO HAS MATCHING COMBINATION WITH DY551 PLEASE SEE TABLE 1 FOR DETAILS OF MATCHING...

Page 57: ...INATION 2 DY551 DEFLECTION YOKE HAS MATCHING COMBINATION WITH V501 PLEASE SEE TABLE 1 FOR DETAILS OF MATCHING COMBINATION CRT TYPE A V501 CRT A68QDL280X051 C TCRT190QS028 V501 1 PCM JH88DTA XM04000BV010 V501 2 WEDGE FT 00110W or XV10000T4001 WEDGE DB25SR XV10000D9001 CRT TYPE B DY551 DEFLECTION YOKE KDY4UHD47X LLBY00ZMS023 V501 CRT M68LQK125X TCRT190MS013 V501 2 WEDGE FT 00110W or XV10000T4001 WED...

Page 58: ... 50V M or CE1JMASTL4R7 ELECTROLYTIC CAP 4 7µF 50V M CE1JMASDL4R7 C51 CERAMIC CAP AX B K 1000pF 50V CCA1JKT0B102 C52 CERAMIC CAP AX F Z 0 01µF 25V CDA1EZT0F103 C53 ELECTROLYTIC CAP 100µF 10V M or CE1AMASTL101 ELECTROLYTIC CAP 100µF 10V M CE1AMASDL101 C54 CERAMIC CAP AX B K 1000pF 50V CCA1JKT0B102 C55 CERAMIC CAP AX F Z 0 01µF 25V CDA1EZT0F103 C57 FILM CAP P 0 047µF 50V J or CMA1JJS00473 FILM CAP P ...

Page 59: ...F 50V M or CE1JMASTL2R2 ELECTROLYTIC CAP 2 2µF 50V M CE1JMASDL2R2 C421 ELECTROLYTIC CAP 4 7µF 50V M or CE1JMASTL4R7 ELECTROLYTIC CAP 4 7µF 50V M CE1JMASDL4R7 Ref No Mark Description Part No C423 CERAMIC CAP AX X K 4700pF 16V CDA1CKT0X472 C424 ELECTROLYTIC CAP 1µF 50V M or CE1JMASTL1R0 ELECTROLYTIC CAP 1µF 50V M or CE1JMASTL010 ELECTROLYTIC CAP 1µF 50V M or CE1JMASDL1R0 ELECTROLYTIC CAP 1µF 50V M C...

Page 60: ...V J TV CMB2AJS00104 Ref No Mark Description Part No C584 A ELECTROLYTIC CAP 4 7µF 50V M or CE1JMASTL4R7 A ELECTROLYTIC CAP 4 7µF 50V M CE1JMASDL4R7 C584 B ELECTROLYTIC CAP 10µF 50V M or CE1JMASTL100 B ELECTROLYTIC CAP 10µF 50V M CE1JMASDL100 C588 ELECTROLYTICCAP 100µF 160VMW F or CE2CMZNTL101 ELECTROLYTIC CAP 100µF 160V M CE2CMZPDL101 C594 ELECTROLYTIC CAP 10µF 50V M or CE1JMASTL100 ELECTROLYTIC C...

Page 61: ...7µF 50V M or CE1JMASTLR47 B ELECTROLYTIC CAP 0 47µF 50V M CE1JMASDLR47 C751 B ELECTROLYTIC CAP 1µF 50V M or CE1JMASTL1R0 Ref No Mark Description Part No B ELECTROLYTIC CAP 1µF 50V M or CE1JMASTL010 B ELECTROLYTIC CAP 1µF 50V M or CE1JMASDL1R0 B ELECTROLYTIC CAP 1µF 50V M CE1JMASDL010 C757 B ELECTROLYTIC CAP 0 1µF 50V M or CE1JMASTLR10 B ELECTROLYTIC CAP 0 1µF 50V M CE1JMASDLR10 C761 B ELECTROLYTIC...

Page 62: ...or QDTZ001SS133 B SWITCHING DIODE 1N4148 or NDTZ001N4148 B DIODE 1SS176TPA7 1SS176T Ref No Mark Description Part No D552 B ZENER DIODE MTZJT 773 0B or QDTB0MTZJ3R0 B ZENER DIODE DZ 3 0BSBT265 NDTB0DZ3R0BS D558 B SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 B SWITCHING DIODE 1N4148 or NDTZ001N4148 B DIODE 1SS176TPA7 1SS176T D572 RECTIFIER DIODE ERA22 02 or QDPZ0ERA2202 RECTIFIER DIODE 10ELS2 QDQZ001...

Page 63: ...01SS133 SWITCHING DIODE 1N4148 or NDTZ001N4148 DIODE 1SS176TPA7 1SS176T D963 ZENER DIODE MTZJT 775 6B or QDTB0MTZJ5R6 ZENER DIODE DZ 5 6BSBT265 NDTB0DZ5R6BS Ref No Mark Description Part No D966 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 SWITCHING DIODE 1N4148 or NDTZ001N4148 DIODE 1SS176TPA7 1SS176T ICS IC33 IC VIF SIF DETECTOR M61111FP QSZBA0SMB010 IC151 IC MEMORY AT24C02N 10SC or NSMMA0SAZ012 I...

Page 64: ...75 F or QQSF02SA1175 B TRANSISTOR KTA1267 GR or NQS10KTA1267 Ref No Mark Description Part No B TRANSISTOR KTA1266 GR or NQS40KTA1266 B TRANSISTOR 2SA1318 T AANP or 2SA1318TZ B TRANSISTOR 2SA1318 U AANP or 2SA1318UZ B TRANSISTOR 2SA1015 GR TPE2 QQS102SA1015 Q552 B TRANSISTOR KTD2059 O or NQ400KTD2059 B TRANSISTOR KTD2059 Y or NQ4Y0KTD2059 B TRANSISTOR 2SD1666S QQES02SD1666 Q561 B TRANSISTOR 2SC2785...

Page 65: ...GR TPE2 QQS102SC1815 Q841 TRANSISTOR 2SC2785 F or QQSF02SC2785 TRANSISTOR 2SC2785 H or QQSH02SC2785 Ref No Mark Description Part No TRANSISTOR 2SC2785 J or QQSJ02SC2785 TRANSISTOR KTC3199 GR or NQS10KTC3199 TRANSISTOR KTC3198 GR or NQS40KTC3198 TRANSISTOR 2SC3331 T AANP or 2SC3331TZ TRANSISTOR 2SC3331 U AANP or 2SC3331UZ TRANSISTOR 2SC1815 GR TPE2 QQS102SC1815 Q851 TRANSISTOR 2SC2120 O TPE2 or QQS...

Page 66: ...Ref No Mark Description Part No R503 B CARBON RES 1 4W J 68k Ω RCX4JATZ0683 R504 A CARBON RES 1 4W J 4 7 Ω RCX4JATZ04R7 R504 B CARBON RES 1 4W J 3 3 Ω RCX4JATZ03R3 R505 CARBON RES 1 4W J 1 8k Ω RCX4JATZ0182 R506 CARBON RES 1 4W J 2 7 Ω RCX4JATZ02R7 R507 CARBON RES 1 4W J 2 7 Ω RCX4JATZ02R7 R508 CARBON RES 1 4W J 2 7 Ω RCX4JATZ02R7 R513 A METAL OXIDE FILM RES 2W J 6 8 Ω or RN026R8ZU001 A METAL OXID...

Page 67: ...4W J 120k Ω RCX4JATZ0124 R662 A CARBON RES 1 4W J 10k Ω RCX4JATZ0103 R662 B CARBON RES 1 4W J 82k Ω RCX4JATZ0823 Ref No Mark Description Part No R663 PCB JUMPER D0 6 P5 0 JW5 0T R664 CARBON RES 1 4W J 12k Ω RCX4JATZ0123 R665 CARBON RES 1 4W J 5 6k Ω RCX4JATZ0562 R666 METAL OXIDE FILM RES 1W J 100k Ω or RN01104ZU001 METAL OXIDE FILM RES 1W J 100k Ω RN01104DP003 R667 CARBON RES 1 4W J 33k Ω RCX4JATZ...

Page 68: ...W J 10k Ω RCX4JATZ0103 SWITCHES SW101 TACT SWITCH SKQSAB or SST0101AL038 TACT SWITCH KSM0612B or SST0101HH003 TACT SWITCH SKHHAM SST0101AL029 Ref No Mark Description Part No SW102 TACT SWITCH SKQSAB or SST0101AL038 TACT SWITCH KSM0612B or SST0101HH003 TACT SWITCH SKHHAM SST0101AL029 SW103 TACT SWITCH SKQSAB or SST0101AL038 TACT SWITCH KSM0612B or SST0101HH003 TACT SWITCH SKHHAM SST0101AL029 SW104 ...

Page 69: ...T072 TH556 B PCB JUMPER D0 6 P5 0 JW5 0T TP300 PCB JUMPER D0 6 P10 0 JW10 0T TP301 PCB JUMPER D0 6 P7 5 JW7 5T TP302 PCB JUMPER D0 6 P7 5 JW7 5T TP500 PCB JUMPER D0 6 P7 5 JW7 5T TP501 PCB JUMPER D0 6 P7 5 JW7 5T Ref No Mark Description Part No TP591 PCB JUMPER D0 6 P5 0 JW5 0T TP592 PCB JUMPER D0 6 P5 0 JW5 0T TP601 PCB JUMPER D0 6 P7 5 JW7 5T TU1 TUNER UNIT TEQH9 001A UTUNNTUAL032 VR561 B CARBON...

Page 70: ...Z0152 R1514 CARBON RES 1 4W J 100 Ω RCX4JATZ0101 R1515 A CARBON RES 1 4W J 1 2k Ω RCX4JATZ0122 R1515 B CARBON RES 1 4W J 820 Ω RCX4JATZ0821 R1518 A CARBON RES 1 4W J 270 Ω RCX4JATZ0271 R1518 B CARBON RES 1 4W J 220 Ω RCX4JATZ0221 R1519 CARBON RES 1 4W J 100 Ω RCX4JATZ0101 R1520 METAL RESISTOR 3W J 10k Ω or RN03103ZU001 FIXED METAL OXIDE FILM RES 3W J 10k Ω RN03103DP005 R1521 CARBON RES 1 4W J 1 5k...

Page 71: ...DCF2003 DCF2703 L6525 625CR ...

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