Hitachi 27CX01B Service Manual Download Page 26

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Ref. No.

Part No.

Description

Ref. No.

Part No.

Description

RJ49

VRD-MN2BE000J

1/8W

Carbon

RJ50

VRD-MN2BE000J

1/8W

Carbon

RJ51

VRD-MN2BE000J

1/8W

Carbon

RJ54

VRD-MN2BE000J

1/8W

Carbon

RJ55

VRS-CY1JF000J

1/16W

M-Ox.

RJ56

VRS-CY1JF000J

1/16W

M-Ox.

RJ57

VRD-MN2BE000J

1/8W

Carbon

RJ58

VRD-MN2BE000J

1/8W

Carbon

RJ59

VRS-CY1JF000J

1/16W

M-Ox.

RJ60

VRD-MN2BE000J

1/8W

Carbon

RJ61

VRS-CY1JF000J

1/16W

M-Ox.

RJ63

VRD-MN2BE000J

1/8W

Carbon

RJ64

VRD-MN2BE000J

1/8W

Carbon

RJ67

VRS-CY1JF000J

1/16W

M-Ox.

R51

VRS-RG3AB151J

150 1W

M-Ox.

R52

VRS-RG3DB123J

12k 2W

M-Ox.

R53

VRS-RG3AB470J

M-Ox.

R54

VRD-MN2BE101J

100 1/8W

Carbon

R55

VRD-MN2BE101J

100 1/8W

Carbon

R56

VRD-MN2BE823J

82k 1/8W

Carbon

R57

VRD-MN2BE392J

3.9k 1/8W

Carbon

R201

VRD-MN2BE151J

150 1/8W

Carbon

R202

VRD-MN2BE122J

1.2k 1/8W

Carbon

R203

VRD-MN2BE682J

6.8k 1/8W

Carbon

R204

VRD-MN2BE270J

1/8W

Carbon

R205

VRS-CY1JF331J

330 1/16W

M-Ox.

R206

VRD-MN2BE121J

120 1/8W

Carbon

R207

VRD-MN2BE4R7J

4.7

1/8W

Carbon

R208

VRD-MN2BE331J

330 1/8W

Carbon

R301

VRD-MN2BE222J

2.2k 1/8W

Carbon

R302

VRS-CY1JF102J

1/16W

M-Ox.

R303

VRD-MN2BE103J

10k 1/8W

Carbon

R304

VRD-MN2BE333J

33k 1/8W

Carbon

R305

VRD-MN2BE102J

1/8W

Carbon

R306

VRD-MN2BE152J

1.5k 1/8W

Carbon

R351

VRD-MN2BE683J

68k 1/8W

Carbon

R352

VRD-MN2BE103J

10k 1/8W

Carbon

R353

VRD-RA2BE822J

8.2k 1/8W

Carbon

R354

VRD-MN2BE223J

22k 1/8W

Carbon

R355

VRD-MN2BE683J

68k 1/8W

Carbon

R356

VRD-MN2BE103J

10k 1/8W

Carbon

R357

VRD-MN2BE822J

8.2k 1/8W

Carbon

R358

VRD-MN2BE223J

22k 1/8W

Carbon

R401

VRS-CY1JF682J

6.8k 1/16W

M-Ox.

R402

VRS-CY1JF331J

330 1/16W

M-Ox.

R403

VRS-CY1JF391J

390 1/16W

M-Ox.

R404

VRD-MN2BE102J

1/8W

Carbon

R405

VRS-CY1JF470J

1/16W

M-Ox.

R406

VRS-CY1JF680J

1/16W

M-Ox.

R407

VRS-CY1JF102J

1/16W

M-Ox.

R408

VRS-CY1JF471J

470 1/16W

M-Ox.

R409

VRD-MN2BE562J

5.6k 1/8W

Carbon

R410

VRD-RA2BE154J

150k 1/8W

Carbon

R411

VRD-MN2BE153J

15k 1/8W

Carbon

R412

VRD-RA2BE561J

560 1/8W

Carbon

R413

VRS-CY1JF101J

100 1/16W

M-Ox.

R414

VRS-CY1JF101J

100 1/16W

M-Ox.

R415

VRS-CY1JF101J

100 1/16W

M-Ox.

R416

VRS-CY1JF332J

3.3k 1/16W

M-Ox.

R451

VRS-RG2HC103J

10k 1/2W

M-Ox.

R452

VRD-RM2HD153J

15k 1/2W

Carbon

R453

VRD-RA2EE683J

68k 1/4W

Carbon

R454

VRD-MN2BE102J

1/8W

Carbon

R456

VRD-MN2BE682J

6.8k 1/8W

Carbon

R458

VRD-MN2BE152J

1.5k 1/8W

Carbon

R501

VRN-RL3ABR56J

0.56 1W

M-Film

R510

VRD-MN2BE471J

470 1/8W

Carbon

R511

VRD-RA2BE823G

82k 1/8W

Carbon

R512

VRD-RA2BE124G

120k 1/8W

Carbon

R513

VRD-RA2BE473J

47k 1/8W

Carbon

R514

VRD-MN2BE101J

100 1/8W

Carbon

R519

VRD-RA2BE153G

15k 1/8W

Carbon

R520

VRD-MN2BE184J

180k 1/8W

Carbon

R523

VRN-RL3AB1R0J

M-Film

R524

VRS-RG3AB391J

390 1W

M-Ox.

R526

VRD-MN2BE562J

5.6k 1/8W

Carbon

R551

VRS-CY1JF472J

4.7k 1/16W

M-Ox.

R552

VRS-CY1JF102J

1/16W

M-Ox.

R553

VRD-MN2BE333J

33k 1/8W

Carbon

R554

VRD-MN2BE333J

33k 1/8W

Carbon

R604

VRS-RG3LB392J

3.9k 3W

M-Ox.

R605

VRD-RA2BE331J

330 1/8W

Carbon

R606

VRD-RA2BE331J

330 1/8W

Carbon

R607

VRS-RG3LB392J

3.9k 3W

M-Ox.

R609

VRS-RG3AB562J

5.6k 1W

M-Ox.

R610

VRD-RM2HD220J

1/2W

Carbon

R611

VRS-KA3NG3R3K

3.3

M-Ox.

R621

VRN-RL3AB3R9J

3.9

M-Film

R622

VRN-RL3AB1R0J

M-Film

R623

VRN-RL3AB2R7J

2.7

M-Film

R624

VRS-RG3DB332J

3.3k 2W

M-Ox.

R625

VRD-MN2BE102J

1/8W

Carbon

R627

VRD-RM2HD224J

220k 1/2W

Carbon

R631

VRS-CY1JF391J

390 1/16W

M-Ox.

R632

VRS-CY1JF152J

1.5k 1/16W

M-Ox.

R633

VRD-MN2BE472J

4.7k 1/8W

Carbon

R634

VRD-RA2BE4R7J

4.7

1/8W

Carbon

çå

R651

VRS-RG2HC270J

1/2W

M-Ox.

çå

R652

VRN-RA2BK103F

10k 1/8W

M-Film

çå

R653

VRN-RA2BK822F

8.2k 1/8W

M-Film

çå

R654

VRD-MN2BE184J

180k 1/8W

Carbon

çå

R655

VRS-CY1JF104J

100k 1/16W

M-Ox.

R690

VRS-RG2HC102J

1/2W

M-Ox.

R701

RR-HZ0048CEZZ

3.9M 1/2W

Solid

R702

VRW-KQ3NC1R2K

1.2

Cement

R704

VRD-RM2HD154J

150k 1/2W

Carbon

R705

VRN-RL3DBR22J

0.22 2W

M-Film

R706

VRN-RL3DBR27J

0.27 2W

M-Film

R707

VRS-RG2HC681J

680 1/2W

M-Ox.

R709

VRN-GA2EB1R0J

1/4W

M-Film

R710

VRD-RM2HD470J

1/2W

Carbon

R711

VRD-RA2BE242J

2.4k 1/8W

Carbon

R715

VRS-RG3DB153J

15k 2W

M-Ox.

R723

VRN-RL3DBR39J

0.39 2W

M-Film

R724

VRS-RG2HC332J

3.3k 1/2W

M-Ox.

R725

VRS-RG2HC821J

820 1/2W

M-Ox.

R726

VRS-RG2HC122J

1.2k 1/2W

M-Ox.

R727

VRD-RA2BE271J

270 1/8W

Carbon

R728

VRN-RL3LB4R7J

4.7

M-Film

R734

VRD-RM2HD124J

120k 1/2W

Carbon

R737

VRN-RL3DBR56J

0.56 2W

M-Film

R751

VRD-MN2BE473J

47k 1/8W

Carbon

R801

VRD-MN2BE332J

3.3k 1/8W

Carbon

R802

VRS-CY1JF332J

3.3k 1/16W

M-Ox.

R803

VRS-CY1JF222J

2.2k 1/16W

M-Ox.

R804

VRS-CY1JF222J

2.2k 1/16W

M-Ox.

R805

VRS-CY1JF222J

2.2k 1/16W

M-Ox.

R806

VRS-CY1JF333J

33k 1/16W

M-Ox.

R924

VRS-CY1JF750J

1/16W

M-Ox.

R925

VRD-MN2BE104J

100k 1/8W

Carbon

R926

VRD-MN2BE104J

100k 1/8W

Carbon

R931

VRS-CY1JF750J

1/16W

M-Ox.

R932

VRS-CY1JF750J

1/16W

M-Ox.

R951

VRD-RA2BE101J

100 1/8W

Carbon

R952

VRD-MN2BE102J

1/8W

Carbon

R953

VRS-CY1JF101J

100 1/16W

M-Ox.

R961

VRD-RA2BE101J

100 1/8W

Carbon

R962

VRD-RA2BE101J

100 1/8W

Carbon

R2001 VRD-RA2BE562J

5.6k 1/8W

Carbon

R2002 VRD-MN2BE103J

10k 1/8W

Carbon

R2004 VRD-MN2BE101J

100 1/8W

Carbon

R2006 VRS-CY1JF103J

10k 1/16W

M-Ox.

R2008 VRD-MN2BE333J

33k 1/8W

Carbon

R2009 VRD-RA2BE102J

1/8W

Carbon

R2010 VRD-MN2BE102J

1/8W

Carbon

R2012 VRS-CY1JF471J

470 1/16W

M-Ox.

R2016 VRS-CY1JF223J

22k 1/16W

M-Ox.

PWB-A: DUNTKA126WEL4

MAIN UNIT (Continued)

Summary of Contents for 27CX01B

Page 1: ...V Channels 1 thru 125 EIA Channel Plan U S A PA No 0137 27CX01B R C CLU 341U SERVICE MANUAL CAUTION Before servicing this chassis it is important that the service technician read the Safety Precaution and Product Safety Notices in this service manual In the interests of user safety Required by safety regulations in some countries the set should be restored to its original condition and only parts ...

Page 2: ... meter should be checked periodically 3 High voltage should always be kept at the rated value no higher Operation at higher voltages may cause a failure of the picture tube or high voltage circuitry and also under certain conditions may produce radiation in exceeding of desirable levels 4 When the high voltage regulator is operating properly there is no possibility of an X radiation problem Every ...

Page 3: ...chanical insulators etc 3 To be sure that no shock hazard exists check for leakage current in the following manner Plug the AC cord directly into a 120 volt AC outlet Do not use an isolation transformer for this test Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by a 0 15µF capacitor in series with all exposed metal cabinet parts and a known earth ground such as electrical co...

Page 4: ...image qu en porant des lunettes incassables et qu après avoir déchargé totalement la haute tension LIMITES DES RADIATIONS X ET DE LA HAUTE TENSION 1 Tout le personnel réparateur doit être instruit des instructions et procédés relatifs aux radiations X Le tube image seule source de rayons X dons les téleviseurs transistorisés n émet pourtant pas de rayons mesurables si la haute tension est maintenu...

Page 5: ...rs mécaniques etc 3 S assurer qu il n y ait pas de danger d électrocution en vérifiant la fuite de courant de la facon suivante Brancher le cordon d alimentation directem ent à une prise de courant de 120V Ne pas utiliser de transformateur d isolation pour cet essai A l aide de deux fils à pinces brancher une résistance de 1 5 kΩ 10 watts en parallèle avec un condensateur de 0 15µF en série avec t...

Page 6: ...ed The degree of illumination will decrease with time and depending on the temperature The time needed to charge the phosphorescent display will vary depending on the surrounding lighting Sunlight and fluorescent lighting are the most effective when charging the display NOTE POWER Press On Press again Off REMOTE KEYPAD Accesses any channel from keypad LAST CHANNEL Returns to previous channel FAMIL...

Page 7: ...of the horizontal oscillator does not stop in step 5 the circuit must be repaired before the set is returned to the customer HIGH VOLTAGE CHECK High voltage is not adjustable but must be checked to verify that the receiver is operating within safe and efficient design limitations as specified Checks should be as follows 1 Connect an accurate high voltage meter between ground and anode of picture t...

Page 8: ...de Use the reset function in the video adjustment menu to ensure customer controls are in their proper reset position 2 Service number selection Once in the service mode press the Ch up or Ch down button on the remote controller or at the set The service adjustment number will vary in increments of one from S01 to M05 Select the item you wish to adjust 3 Data number selection Press the Vol up or d...

Page 9: ... 00 03 Must be set to 00 S23 TUNER SETUP 00 00 01 Must be set to 00 OP1 OPTION1 Set to each mode 00 00 FF B3 OP2 OPTION2 00 00 FF A7 M01 INPUT LEVEL 0A 00 0F M02 ST VCO 20 00 3F M03 FILTER 1C 00 3F M04 WIDE BAND 20 00 3F M05 SPECTRAL 1B 00 3F NECESSARY UNNECESSARY ADJUSTMENT NOTES PART REPLACED IC2001 IC2101 X IC3001 X CRT X IC201 X X Data is stored in IC2101 The adjustment is needed to compensate...

Page 10: ...here raster is barely seen 7 Adjust the service adjustments S11 red S12 green and S13 blue to obtain a good grey scale with normal whites at low brightness level 8 Select the service adjustment S19 and reset data to 00 Select the service adjustment S03 and reset data to obtain normal color level 9 Remove oscilloscope and reset the master screen control to obtain normal brightness range White Balan...

Page 11: ...2 Make sure the customer brightness control is set to center position 3 Enter the service mode and select the service adjustment S04 4 Adjust S04 data value to obtain normal brightness level Vertical Size Adjustment 1 Receive a good local channel 2 Enter the service mode and select the service adjustment S09 3 While observing the top and bottom of the screen adjust S09 data value to proper vertica...

Page 12: ...1 Stereo pilot signal 9 4kHz 600mVrms 2 Enter the service mode and select the service adjustment M03 3 Adjust the data at the point where OK appears on the screen The OK represents the approximate center of the adjustable range of the data Separation Adjustment 1 Connect the rms voltmeter to pin 39 of IC3001 2 Receive the following composite stereo signal 1 Composite stereo signal 30 modulation le...

Page 13: ...13 17 16 19 18 15 14 13 12 11 10 CHASSIS LAYOUT 6 5 4 3 2 1 A B C D E F G H PWB K PWB B PWB H PWB A ...

Page 14: ...14 8 7 10 9 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 6 5 4 3 2 1 A B C D E F G H ...

Page 15: ...ated 2 All voltages measured with 1000µ V B W or Color signal WAVEFORM MEASUREMENT CONDITIONS 1 Photographs taken on a standard gated color bar signal the tint setting adjusted for proper color The wave shapes at the red green and blue cathodes of the picture tube depend on the tint color level and picture control 2 indicates waveform check points See chart waveforms are measured from point indica...

Page 16: ...17 16 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 17: ...19 18 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 18: ...20 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT and FRONT AV Units ...

Page 19: ...21 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM S VIDEO Unit ...

Page 20: ...22 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES ...

Page 21: ...23 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Page 22: ... Q 1 5 0 1 Q 1 5 0 2 R 1 5 0 4 R 1 5 0 8 R 1 5 0 7 R 1 5 1 1 L 1 5 0 2 L 1 5 0 1 L 1 5 0 3 C 1 5 0 7 R 1 5 1 3 R 1 5 1 2 J 3 J 6 I C 1 5 0 1 P 1 5 0 3 K C R 1 5 1 7 R 1 5 1 5 C 1 5 1 3 D 1 5 0 4 J 2 J 1 1 6 D 1 5 0 1 C 1 5 0 1 R 1 5 1 8 J 5 J 4 C 1 5 1 1 C 1 5 0 8 C 1 5 0 3 R 1 5 1 6 R 1 5 1 9 D 1 5 0 2 C 1 5 0 9 C 1 5 1 2 K B 1 D 1 5 0 3 C 1 5 1 0 R 1 5 1 4 P 1 5 0 2 5 K A 1 5 P 1 5 0 1 PWB K S V...

Page 23: ...y å and shaded areas in the Replacement Parts Lists and Schematic Diagrams The use of a substitute replacement part which dose no have the same safety characteristic as the factory recommended replacement parts shown in this service manual may create shock fire or other hazards HOW TO ORDER REPLACEMENT PARTS To have your order filled promptly and correctly please furnish the following informations...

Page 24: ...35M 3 3 50V EL C406 VCEA0A1HW225M 2 2 50V EL C408 VCEA0A1HW106M 10 50V EL C409 VCEA0A1HW335M 3 3 50V EL C410 VCQYTA1HM104K 0 1 50V Mylar C411 VCEA0A1CW337M 330 16V EL C412 VCKYCY1HB103K 0 01 50V Ceramic C413 VCKYCY1HB103K 0 01 50V Ceramic C414 VCKYCY1CB104K 0 1 16V Ceramic Q451 VS2SB709AR 1 2SB709AR or VS2SA1037KQ 1 Q601 VS2SC2482 1 2SC2482 å Q602 VS2SD2539 1E 2SD2539 Q751 VS2SC3198 Y 1 2SC3198 Y ...

Page 25: ...CCY1HH221J 220p 50V Ceramic C908 VCEA0A1HW225M 2 2 50V EL C909 VCEA0A1HW225M 2 2 50V EL C951 VCEA0A1HW106M 10 50V EL C952 VCEA0A1HW106M 10 50V EL C954 VCKYCY1HF103Z 0 01 50V Ceramic C955 VCEA0A1CW106M 10 16V EL C956 VCEA0A1CW106M 10 16V EL C2001 VCCCCY1HH101J 100p 50V Ceramic C2002 VCCCCY1HH101J 100p 50V Ceramic C2040 VCEA0A1AW107M 100 10V EL C2041 VCEA0A1HW105M 1 50V EL C2060 VCKYCY1CB104K 0 1 16...

Page 26: ...19 VRD RA2BE153G 15k 1 8W Carbon R520 VRD MN2BE184J 180k 1 8W Carbon R523 VRN RL3AB1R0J 1 1W M Film å R524 VRS RG3AB391J 390 1W M Ox R526 VRD MN2BE562J 5 6k 1 8W Carbon R551 VRS CY1JF472J 4 7k 1 16W M Ox R552 VRS CY1JF102J 1k 1 16W M Ox R553 VRD MN2BE333J 33k 1 8W Carbon R554 VRD MN2BE333J 33k 1 8W Carbon å R604 VRS RG3LB392J 3 9k 3W M Ox R605 VRD RA2BE331J 330 1 8W Carbon R606 VRD RA2BE331J 330 1...

Page 27: ...D MN2BE272J 2 7k 1 8W Carbon R2601 VRD RA2BE331J 330 1 8W Carbon R3001 VRD RA2BE101J 100 1 8W Carbon R3002 VRD RA2BE101J 100 1 8W Carbon R3003 VRS CY1JF105J 1M 1 16W M Ox R3004 VRS CY1JF104J 100k 1 16W M Ox R3005 VRS CY1JF623J 62k 1 16W M Ox R3007 VRS CY1JF332J 3 3k 1 16W M Ox R3008 VRS CY1JF302J 3k 1 16W M Ox R3010 VRS CY1JF392J 3 9k 1 16W M Ox R3011 VRD MN2BE102J 1k 1 8W Carbon R3012 VRS CY1JF10...

Page 28: ... GBN P852 QPLGN0441CEZZ Plug 4 pin YBN SC851 QSOCV0937CEZZ CRT Socket INTEGRATED CIRCUIT IC1501 VHiM52055FP 1 M52055FP TRANSISTORS You can substitute VS2SD601AR 1 for VS2SC2412KQ 1 Q1501 VS2SC2412KQ 1 2SC2412K Q1502 VS2SB709AR 1 2SB709AR or VS2SA1037KR 1 Q1503 VS2SC2412KQ 1 2SC2412K Q1504 VS2SC2412KQ 1 2SC2412K DIODES You can substitute RH DX0475CEZZ for VHD1SS119 1 D1501 VHD1SS119 1 Diode D1502 V...

Page 29: ...d QCNW 0134MEZZ Connecting Cord QCNW 0145MEZZ Connecting Cord QCNW 0167MEZZ Connecting Cord QCNW 0252MEZZ Connecting Cord SP1 VSP0080PBL4YS Speaker L or VSP0080PBK9YA SP2 VSP0080PBL4YS Speaker R or VSP0080PBK9YA MISCELLANEOUS PARTS PWB H DUNTK9310WEK1 FRONT AV UNIT MISCELLANEOUS PARTS J1001 QJAKE0053GEZZ Jack Video in J1002 QJAKE0055GEZZ Jack Audio in L J1003 QJAKE0059GEZZ Jack Audio in R P1001 QP...

Page 30: ...eet PACKING PARTS NOT REPLACEMENT ITEM CABINET PARTS 1 CCABA1336MES0 Front Cabinet Ass y 1 1 Not Available Front Cabinet 1 2 GCOVA1011MEKA Lens for R C 1 3 GMADT0093MEKA Window for R C 1 4 HBDGE1007MESA Badge HITACHI 1 5 JBTN 1057MEKA Button Power Vol up down 1 6 JBTN 1058MEKA Button Ch up down 2 GCABB1159MEKA Rear Cabinet CABINET PARTS LOCATION 1 2 1 1 1 5 1 4 1 2 1 3 1 6 ...

Page 31: ...F THE SET REAR Use 22 staples fix the packing case Bar Code Label Packing Case Serial Number Label MARK Not replacement items Number Card FRONT Buffer Material Polyethylene Sheet Polyethylene Bag Warranty Registration Card Operation Manual Infrared R C Unit Batteries ...

Page 32: ...Ref No Part No Description Ref No Part No Description 34 ...

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