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CAUTION :

Before servicing this chassis, it is important that the service techician reads the " Safety Precaution "
and " Product Safety Notices " in this Service Manual.

CONTENTS

SAFETY PRECAUTIONS  ...………………...…………….………………………………………………

2

PRODUCT SAFETY NOTICE  …………...…………….………...……………...…………….…………

2

REMOTE CONTROL UNIT  ……………..………...…………….………………………………………

3

GENERAL OPERATIONS GUIDE  .………………...…………….………………………………………

4

CIRCUIT DESCRIPTION  …………...…………….………………………………………………………

5

ADJUSTMENT INSTRUCTIONS  ……………………...…………….…………………………………

6

REPLACEMENT PARTS LIST  …………………...…………….…………………………………………

12

          MARCH 2005                            Hitachi  Consumer  Products  ( THAILAND ) , Ltd.

HITACHI

SERVICE MANUAL

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

COLOR TELEVISION

HCPT

T1 Chassis

C21-TF641S/SN/ST/SNT
C21-TF651S/SN/ST/SNT
C21-TF751S/SN/ST/SNT
C21-TF571S/SN/ST/SNT

T1-001

HITACHI

Summary of Contents for 21-TF751SN

Page 1: ...TY NOTICE 2 REMOTE CONTROL UNIT 3 GENERAL OPERATIONS GUIDE 4 CIRCUIT DESCRIPTION 5 ADJUSTMENT INSTRUCTIONS 6 REPLACEMENT PARTS LIST 12 MARCH 2005 Hitachi Consumer Products THAILAND Ltd HITACHI SERVICE MANUAL SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT COLOR TELEVISION HCPT T1 Chassis C21 TF641S SN ST SNT C21 TF651S SN ST SNT C21 TF751S SN ST SNT C21 TF571S SN ST SNT T1 001 HITAC...

Page 2: ...CL1 SDA1 MCU5 7 SCL2 SDA2 4 5M H RFAGC X RAY1 BT X RAY2 X RAY1 TV A AFT STBY12V STBY15V TU5V P ACL 8V MON V TU8V FBT27V SIF ACL_OFF TEXT VCC VCJ VCJ Sch S MUTE R G B VSYNC HSYNC SDA2 SCL2 CLKCN FSTBLK RESET FSC PONCN MONITOR STBY15V 4 5M H P ACL S SW SCL1 SDA1 X RAY1 MCU5 7 X RAY2 50 60 YUV SW ALARM AFT 2 H STBY12V ACL_OFF MICON MICON Sch ACL H OUT B4 FBT12V FBP V RAMP V RAMP F B 50 60 X RAY1 OE D...

Page 3: ... R261 100 D214 D215 D216 R232 1M C238 C237 R213 22K R212 22K K207 D201 no use D202 no use C204 no use C205 no use R204 100 R203 100 C235 no use MMF MMF C231 no use C230 no use C224 50V 0 47 R227 no use MMF C228 0 22 MMF R214 100 TP201 K208 K209 R207 no use R226 330 R222 680 R225 R218 470 R219 K212 R206 no use R205 no use R262 no use R263 no use R264 no use R266 no use R265 no use R267 no use R268 ...

Page 4: ...11 R107 no use R101 no use C101 6 3V 1000 C107 50V 22 D101 HZS33 1 L102 100 C108 2200P R102 100 Q101 2SC1906 R103 4 7K R110 1 5K R111 22 R104 560 L101 1 2 C102 0 01 TU5V VIF RFAGC BT SDA1 SCL1 FBT12V 2 H 4 5M H SCL2 SDA2 MITSUBISHI ELECTRIC ENGINEERING TUNER B 1 SW L SW R MPX L MPX R 130mAMAX 4mAMAX TP12A R OUT L OUT C106 no use TO AUDIO OUT TO AV SW FROM AV SW K101 K177 C109 no use L103 no use TU...

Page 5: ...R813 100 R814 100 R820 4 7K R830 4 7K R831 4 7K R832 4 7K R833 4 7K R834 4 7K C804 50V 2 2 C811 0 1 C809 0 1 R835 24K F R847 4 7K R848 4 7K R849 4 7K R837 10K R823 10K D803 D804 D805 D809 D810 D811 D801 D807 R815 no use R816 no use OSDB OSDG OSDR OSDBLK BLK MIXR MIXG MIXB V PULSE H PULSE SDA2 SCL2 R842 1 2K R843 1 2K R840 1 2K R841 470 R844 470 R846 470 R818 4 7K R819 4 7K MITSUBISHI ELECTRIC ENGI...

Page 6: ...200 C909 0 1 C911 Poly 0 1 R906 3 9K R907 3 9K R903 2 7K R902 3 9K C904 Poly 0 01 C906 Poly 0 01 R905 10K STBY15V FBT27V L OUT R OUT S MUTE 1 2 3 4 E901 E F901 MITSUBISHI ELECTRIC ENGINEERING POWER B 6 C912 Poly 0 1 C913 Poly 0 1 C914 Poly 0 1 R904 10K STBY12V K904 C902 Poly 2200P ALARM D912 D3SBA60 L903 ELF21V010AK 12AM C933 AC250V 0 1 Z901 no use 1 2 3 4 E904 TN 50P 04 V1 2 3 1 TH901 PTDCA1BF140...

Page 7: ... C382 50V 10 C380 50V 10 L353 1 L357 1 5V L354 10 C363 10V 470 C353 16V 47 R380 100 R381 100 C360 50V 3 3 C359 25V 0 1 C355 50V 10 C356 25V 0 1 C379 50V 1000P C381 50V 1000P C389 16V 47 C376 12P CH C374 12P CH X353 18 432M C372 56P CH C373 56P CH R372 1K C371 100P R374 no use R379 0 C361 25V 0 01 R382 no use R383 no use C357 10V 0 47 C358 0 47 4 5M L R373 10K R384 1K 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

Page 8: ...723 R725 S MUTE C702 16V 100 R731 22K R730 22K R744 56K R743 100 D705 HZS33 1 R G B VSYNC HSYNC SDA2 SCL2 CLKCN FSTBLK RESET FSC PONCN MONITOR R733 22K R732 10K 4 5M H P ACL S SW SCL1 SDA1 R747 100 R746 100 X RAY1 C714 1000P MCU5 7 S701 S702 S703 S704 S705 S706 S707 R707 R706 R705 R704 R703 R702 IN 1 VCC 2 GND 3 X701 X RAY2 MITSUBISHI ELECTRIC ENGINIEERING MICON B 4 R717 22K R721 22K R720 22K R739...

Page 9: ... C D 4 3 2 1 D C B A Title Number Revision Size A4 Date 12 May 2005 Sheet of File F DESIGN DOCUMENT T1 circuit diagram 21 inch flat T1 ES4 ddb Drawn By IN 1 VCC 2 GND 3 XR01 GP1UM281QK DR01 SLR 37VC3F 1 2 3 4 ER01 ...

Page 10: ...7 25V 470 1 2 3 4 E502 3 Wire 4J R514 1 2W 1 5 C510 0 47 R528 1 2W 180 C527 100V 0 033 R503 1 2W 150K R504 no use C503 no use 1 2 3 E501 no use C514 no use C512 no use C508 no use D505 D504 HZS12C1 D506 EU2A C515 630V 0 01 ACL H OUT B4 HEATER FBT12V FBP V RAMP V RAMP F B 27V MITSUBISHI ELECTRIC ENGINEERING DEFL B R507 1 4W 2 2 R502 no use C516 50V 10 5 L502 3300 R523 3W 470 D509 EU2A 50 60 TX for ...

Page 11: ... 56 R663 56 C651 390 C652 390 C653 390 Q651 2SC3620 Form 2 Q652 2SC3620 Form 2 Q653 2SC3620 Form 2 R691 1 2W 560 R692 1 2W 560 R693 1 2W 560 R681 2W 12K R682 2W 12K R683 2W 12K 1 2 3 4 E502 1 2 E651 C661 16V 100 C662 0 01 R651 1 2W 10 MITSUBISHI ELECTRIC ENGINEERING CRT B C654 2KV 2200P L651 no use K651 For 21 MODEL 1 I C 4 G1 5 KG 6 G2 7 KR 8 H 9 H 10 KB 11 GND 12 E654 K652 R697 1 8W 18K R696 1 8...

Page 12: ... flat T1 ES4 ddb Drawn By 1 2 EP903 1 2 EP902 1 2 3 4 5 6 EP403 SP701 EVQ11A05R SP702 EVQ11A05R SP703 EVQ11A05R SP704 EVQ11A05R SP705 EVQ11A05R SP706 EVQ11A05R RP707 2 2K RP706 820 RP705 560 RP704 330 RP703 220 RP702 220 FUNC CH CH VOL VOL TV VIDEO 1 2 EP702 1 2 3 4 5 6 7 V L R EP404 YKC21 5071 FRONT AV1 IN SP901 AAPY2211 MAINS SW FP901 ...

Page 13: ...00K R406 100K R407 75 R408 75 R428 100K R429 100K C434 no use C435 no use R435 100 R436 100 D408 no use D407 no use C409 0 01 C436 50V 10 C437 50V 10 R438 1K R437 1K C401 16V 100 R433 100K R434 100K Q401 R417 100 R418 1 2W 180 R419 68 C418 10V 470 REF 1 CH1 IN 2 SIMIN 1 3 SIMOUT1 4 BASS1 5 TRE1 6 OUT1 7 DGND 8 SDA 9 SCL 10 RESET 11 DVDD 12 AGND 13 OUT2 14 TRE2 15 BASS2 16 SIMOUT2 17 SIMIN2 18 CH2 ...

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