Hitachi CM771ET Service Manual Download Page 36

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QUANTITY REQUIRED DWG.NO. 456A24 REV. 1E

C NO. PART NO.

DESCRIPTION

SPECIFICATION

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011

REMARKS

- ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- -----------------------------------------------------------------------------------------
69 CC2002211T9 RESISTOR

1/8W 20K +-5%

1 - - - - R827

70 CC2200211T5 RESISTOR

1/8W 220 +-5%

1 - - - - R716

71 CC2201011T9 RESISTOR

1/2W 2.2K +-5%

1 - - - - R750

72 CC2201111T4 RESISTOR

1/4W 2.2K +-5%

1 - - - - R401

73 CC2201210TZ RESISTOR

1/8W 2.2K +-2%

1 - - - - R619

74 CC2201211T0 RESISTOR

1/8W 2.2K +-5%

1 - - - - R614

75 CC2202125TZ RESISTOR (M.F.)

1/4W 22K +-1%

1 - - - - R609

76 CC2202211T4 RESISTOR

1/8W 22K +-5%

4 - - - - R1HZ R803 R808 R98F

77 CC22030B1TZ RESISTOR (GRAZD) 1/2W 220K +-5%

1 - - - - R801

78 CC2701125TZ RESISTOR (M.F.)

1/4W 2.7K +-1%

1 - - - - R704

79 CC2701211T3 RESISTOR

1/8W 2.7K +-5%

4 - - - - R107 R108 R515 R872

80 CC2702125TZ RESISTOR (M.F.)

1/4W 27K +-1%

1 - - - - R792

81 CC2703111T7 RESISTOR

1/4W 270K +-5%

2 - - - - R524 R823

82 CC3300011T9 RESISTOR

1/2W 330 +-5%

1 - - - - R611

83 CC3300211T0 RESISTOR

1/8W 330 +-5%

1 - - - - R81B

84 CC3301211T4 RESISTOR

1/8W 3.3K +-5%

3 - - - - R519 R703 R708

85 CC3302211T9 RESISTOR

1/8W 33K +-5%

5 - - - - R502 R742 R80E R81H R828

86 CC3303111T8 RESISTOR

1/4W 330K +-5%

2 - - - - R522 R821

87 CC3601125TZ RESISTOR (M.F.)

1/4W 3.6K +-1%

1 - - - - R793

88 CC4700111T7 RESISTOR

1/4W 470 +-5%

3 - - - - R618 R718 R719

89 CC4700211T2 RESISTOR

1/8W 470 +-5%

2 - - - - R505 R715

90 CC4700I11T0 RESISTOR

1/2W 470 +-5% S

1 - - - - R804

91 CC4701211T7 RESISTOR

1/8W 4.7K +-5%

16 - - - - R106 R109 R10E R113 R11W R130

R520 R615 R616 R617 R744 R783

R81F R81G R825 R82A

92 CC4702011T1 RESISTOR

1/2W 47K +-5%

1 - - - - R516

93 CC4702211T1 RESISTOR

1/8W 47K +-5%

2 - - - - R10L R629

94 CC4703111T1 RESISTOR

1/4W 470K +-5%

1 - - - - R781

95 CC5100125TZ RESISTOR (M.F.)

1/4W 510 +-1%

1 - - - - R705

96 CC5601211T6 RESISTOR

1/8W 5.6K +-5%

1 - - - - R791

97 CC5602211T1 RESISTOR

1/8W 56K +-5%

2 - - - - R807 R809

98 CC6801111T8 RESISTOR

1/4W 6.8K +-5%

1 - - - - R822

99 CC6802211T8 RESISTOR

1/8W 68K +-5%

1 - - - - R743

100 CC7502125TZ RESISTOR (M.F.)

1/4W 75K +-1%

1 - - - - R756

101 CC8200211T6 RESISTOR

1/8W 820 +-5%

1 - - - - R717

102 CC8201211T1 RESISTOR

1/8W 8.2K +-5%

1 - - - - R105

103 CC8202111T0 RESISTOR

1/4W 82K +-5%

1 - - - - R820

104 CC8202211T5 RESISTOR

1/8W 82K +-5%

1 - - - - R710

105 CJ010B6JHT0 MYLAR CAP.

1U 50V J PEN P5

5 - - - - C502 C741 C742 C764 C872

106 CJ010B6JHT1 MYLAR CAP.

1U 50V J MEF P5

1 - - - - C605

107 CJ010C6JHT0 MYLAR CAP.

01U 50V J PEN P5

5 - - - - C510 C511 C705 C718 C840

108 CJ015C6JHT0 MYLAR CAP.

015U 50V J PEN P5

1 - - - - C621

109 CJ018B6JHT0 MYLAR CAP.

18U 50V J PEN P5

1 - - - - C604

110 CJ022D6JHT0 MYLAR CAP.

0022U 50V J PEN P5

3 - - - - C707 C805 C829

111 CJ047C6JHT0 MYLAR CAP.

047U 50V J PEN P5

4 - - - - C101 C105 C763 C80E

112 CL41H0000T0 PEAKING COIL

33uH +-10% (0305) 2122949M 1 - - - - L791

113 CM010D6KHT0 MONO. CAP.

1000P 50V K X7R

3 - - - - C10Z C611 C61A

Summary of Contents for CM771ET

Page 1: ...E HOLD DOWN CIRCUIT 2 PRODUCT SAFETY NOTICE 3 SPECIFICATIONS 3 CONTROLS 4 SIGNAL TIMING CHART 5 DESCRIPTION OF CIRCUIT 7 TROUBLESHOOTING 16 ADJUSTMENTS 20 WIRING DIAGRAM 24 BLOCK DIAGRAM 25 P C B A ASSEMBLY 26 DISPLAY ASSEMBLY 45 ATTACHMENT A 54 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT HIGH RESOLUTION COLOR DISPLAY MONITOR DJ72 Chassis H972 CM771U ET CM772U ET SERVICE MANUAL ...

Page 2: ...e of the microprocessor unit shop adjustment is necessary after exchange of the microprocessor unit High Voltage This monitor is provided with a high voltage hold down circuit for clearly indicating that voltage has increased in excess of a predetermined value Comply with notes described in this Service Manual regarding this hold down circuit when servicing so that this hold down circuit may funct...

Page 3: ...SPECIFICATIONS Model Name CM771U CM771ET CM772U CM772ET Destination North America Europe North America Europe Rated Voltage AC 100 120 200 240 V Automatically select Provided with Power Circuit Power Consumption 98 W nominal Color Display Tube CDT 19 inches diagonal 0 22 mm horizontal dot pitch Invar shadow mask Black matrix Anti Reflection coat Short persistence phosphors Rated Horizontal 31 96 k...

Page 4: ... Sub Mini 15 pin CRT Surface Front Cover Control Panel Tilt Swivel Base FIG 4 CONTROL PANEL Power Switch FIG 3 FRONT VIEW Menu Key Adjustment Keys Power Indicator Power Switch FIG 5 REAR VIEW AC Inlet Signal Cable D Sub Mini 15 pin ...

Page 5: ...6cl 1 138 µs 64cl 1 016 µs 96cl 1 016 µs 160cl Back porch 1 907 µs 48cl 2 702 µs 152cl 2 201 µs 208cl 1 422 µs 224cl Blanking width 6 356 µs 160cl 4 409 µs 248cl 3 725 µs 352cl 2 844 µs 448cl Display time 25 422 µs 640cl 14 222 µs 800cl 10 836 µs 1024cl 8 127 µs 1280cl H period 1H 31 778 µs 800cl 18 631 µs 1048cl 14 561 µs 1376cl 10 971 µs 1728cl 6 Vertical Frequency 70 086 Hz 85 061 Hz 84 997Hz 8...

Page 6: ... 948 µs 192cl 0 837 µs 192cl 3 813 µs 96cl 3 790 µs 94cl Back porch 1 501 µs 304cl 1 325 µs 304cl 1 907 µs 48cl 2 258 µs 56cl Blanking width 2 765 µs 560cl 2 440 µs 560cl 6 356 µs 160cl 6 452 µs 160cl Display time 7 901 µs 1600cl 6 972 µs 1600cl 25 422 µs 640cl 25 806 µs 640cl H period 1H 10 667 µs 2160cl 9 412 µs 2160cl 31 778 µs 800cl 32 258 µs 800cl 6 Vertical Frequency 75 000 Hz 85 000 Hz 59 9...

Page 7: ...l to provide constant voltage output If the secondary circuit becomes overloaded primary current through T921 is detected at R923 R924 and stops the switching operation Once the circuit has overloaded the power switch must be turned off for a short period and then turned on to re establish power Switching frequency is determined by time constant of R92E and R92F R92G 1 2 3 Circuit 3 Circuit 3 has ...

Page 8: ...rcuit 2 85V 14V 54V On Off control Chopper Degauss Circuit Manual Degauss Standby power supply On Off control Chopper Circuit 1 B Control Control 6 3V 5V Reg MPU Heater On Off FIG 6 BLOCK DIAGRAM FOR POWER SUPPLY CIRCUIT Main power supply ...

Page 9: ...t which consists of I203 Q22R Q22G and Q22B whose R G B channels are also controlled by microprocessor 2 3 ACL Circuit The current at the secondary winding of the flyback transformer is used to represent the CRT beam current The current is measured and fed to the contrast control Q281 Q282 to limit the maximum beam current with negative feedback 2 4 Blanking Circuit Video blanking during the beam ...

Page 10: ... Q702 The pre drive circuit within I701 is controlled by duty cycle by the internal circuit In case of no sync signals supplied or excessive frequency change such as a signal timing change HUNLOCK once changes to H and PWM circuit Q801 output is stopped The deflection circuit of the DJ72 chassis has been separated from the high voltage regulation circuit to provide improved H linearity performance...

Page 11: ...tector PLL1 and H Position Horizontal Oscillator PLL2 Parallelogram Pin Unbalance and Soft Start H Output Stage H Size Control FOCUS Horizontal and Vertical V Output V Linearity V Linearity Balance EW Output H Pincushion H Corner H Trapezium H Size 14 V sync clamping blanking HUNLOCK SDA SCL H C sync HFLB 16 17 19 18 15 1 HDRV 8 5 3 4 6 H Size Control Oscillator Focus 32 13 12 VOUT1 VOUT2 EWDRV 7V...

Page 12: ...cus voltage is obtained from a tap of the flyback transformer s bleeder resister and fed to G3 focus electrode Horizontal and vertical parabolic output pulses are amplified at Q501 Q508 T560 and fed to the flyback transformer where they are combined with the DC component 27 of anode voltage The potentiometers focus 1 focus 2 at the flyback adjust the DC focus voltage The focus 2 potentiometer main...

Page 13: ...utput amplifiers By varying resistor R612 or R619 one can set the desired deflection current The picture can be shifted in vertical direction by making a DC offset current through the coil DC offset current through the coil is controlled by the differential input current from I701 I601 uses an external flyback supply voltage which is connected to pin7 The signal from the I601 8pin output is used f...

Page 14: ...program and sync processing circuit Data memory consists of one EEPROM chip I102 for preset data 5 4 Control output Output of the microprocessor I101 controls the deflection processing IC I701 and the video pre amplifier IC I201 the OSD control IC I301 the rotation circuit Horizontal drive correction circuit the mute circuit the sync priority selector I302 sync selector I104 power save function Th...

Page 15: ...ssor 1 H V Size 2 H V Position 3 Pincushon 4 Trapezoid 5 Pin Balance 6 Parallelogram 7 Top Bottom corner Pin 8 H V Moiré 9 Dynamic Focus 10 V Linearity 11 V L Balance 12 Hemisphere OSD 1 Contrast 2 Brightness 3 Color BKG R G B 4 Sub BKG 5 C Contrast 6 ACL 1 Color Gain R G B 2 Sub Contrast Rotation Control Freq Select 1 S Fig Cap select 2 LIN Coil select Power Save Function Horizontal drive correct...

Page 16: ...N Sync H Sync Yes No Yes No V Sync Yes Yes No No VESA Name Normal Standby Suspend Off Standard Recovery Time N A Short Short System Dependent Effect None Minimum Minimum Maximum Circuit H Deflection Normal operation Stop Stop Stop Operation V Deflection Normal operation Stop Stop Stop Video Normal operation Mute Mute Mute Power LED CM771U 511 CM771ET 301 Lighting Green Lighting Orenge Lighting Ore...

Page 17: ...C901 C902 C903 C904 C905 C907 C910 C920 Sync Signal input error Refer to Item 2 I940 D98A I740 T751 Sync Signal input error Refer to Item 2 Check supply Voltage AC100 200V AC 200 240V Change the DJ72 Main Board Change the DJ72 Main Board Change the DJ72 Main Board Abnormal Normal Abnormal Normal Yes Normal Yes Abnormal Normal Others Replace F901 Abnormal Normal Abnormal No The power LED is orange ...

Page 18: ...Z D35Z Change the DJ72 Video Board or Main Board I101 I104 I201 I302 Q320 D19Z D27Z D36Z Change the DJ72 Video Board or Main Board V SYNC is not obtained Change the DJ72 Main Board I104 I701 I101 I701 Change the DJ72 Main Board abnormal normal normal DY C974 D764 D975 I601 I971 Q763 Q764 I701 Change the DJ72 Main Board Check the voltage on pin 3 of I601 13 15V Others Vertical sawtooth is not obtai...

Page 19: ... Check the voltage of I201 24 pin Check the voltage of I201 18 pin Check the voltage of I301 13 pin Check the voltage of I202 1 pin I203 Q22B Trouble outside the character monitor D975 I971 I301 I101 I203 Q281 Q282 I201 I101 I202 Change the DJ72 Video Board Change the DJ72 Video Board Abnormal Normal 0V Normal 12V Abnormal Abnormal Normal 0 5V Normal 2 3V Normal 1 5 4 0V Normal 30 75V 0V Change th...

Page 20: ... to GND I740 13pin to GND on main p w b to disable horizontal output and EHV output 3 Place resister 3 9k 31W across C971 to GND 4 Receive normal cross hatch pattern of signal 94A 5 Connect a Digital multimeter between and of C920 6 Turn the switch of the unit on 7 Adjust R919 to 364 2V 8 Turn the switch of the unit off 9 Remove the jumper wire 1 3 Main power supply voltage adjustment 1 Turn the s...

Page 21: ...just R811 to the C771 voltage value to 130 0 5V 7 Receive normal cross hatch pattern of signal 30C and check the C771 voltage is at 42 5 1 5V 2 2 High voltage adjustment 1 Turn the switch of the unit off 2 Connect a high voltage meter which is capable to measure up to 40kV between CDT anode and GND 3 Receive normal cross hatch pattern of 94A signal 4 Turn the switch of the unit on 5 Adjust high vo...

Page 22: ...ed above do the followings to obtain these numbers 1 Reset Sub Brightness to 9Fh or 60h 2 Reset Sub Brightness to CFh or 30h 3 If the adjustment can not be done with 1 and 2 When the value shown below can not hight Change the R827 to R82E When the value shown below can not low Change the R827 to R82D 3 2 White balance adjustment Color 2 1 Receive a signal of 94A with a 100 100 mm window pattern 2 ...

Page 23: ...or 1 6 Adjust the light output to 1 2 cd m 2 0 35 ft L at the center of screen by adjusting Sub Brightness Control 7 Register the readings of Sub Brightness to the microprocessor Sub Brightness data 8 Set Brightness Control to the center 7Fh and C Cont to the minimum 00h 9 Receive a signal 94A with a window pattern 100 100 mm 10 Adjust the light output to 1 150 cd m 2 43 8 ft L at the center of sc...

Page 24: ... 24 WIRING DIAGRAM ...

Page 25: ...NC PRIORITY CONTROL DDC SDA H OUT SOGCHK H IN V IN CS1 CS6 KEY SW DG PS1 STB PS2 MODE OFF MPU FILTER RECTIFIER G1 G2 G3 2 EHV H DY V OUT AC SW MEMORY KEY SW CDT 15P DSUB R G B G A I N C O N T R O L BLK CONT R G B C L P FBT EHV REF ACL B H SYNC R G V SYNC SCL SDA HEATER R G B HIGH VOLTAGE CONTROL V OUT G3 1 85 V DEGAUSS FUSE CHOPPER MAIN PWB VIDEO PWB H OUT REG H RETURN DDC5V H SYNCB DSCL DSDA MUTE...

Page 26: ...are marked with the symbol of in the material list For continued protection against X radiation replace only with same type and rating components 3 Critical Components are marked with the symbol of in the material list For continued protection against Low Radiation replace only with same part number 4 This symbol warns the personnel that un insulated voltage within the unit may have sufficient mag...

Page 27: ...15 DC030041400 WAFER CONN CHYAO SHIUNN CP 15BP2ROH PH 1 E251 16 DC030041800 WAFER CONN JFE 2983191A2P P10 1 E80B 17 DC030042500 WAFER CONN CHYAO JS 1125R 13 13P P2 0 90D 1 E252 18 DC0400460H0 SOCKET CRT SMKEY00801T 1 E853 19 DC1100014H0 SPARKGAP OKAYARA 311M V6 F 2T 4 G851 G852 G853 G854 20 EEH9712H100 VIDEO SHIELD METAL 19 01 134 MD05731 1 ZZZB 21 EEH9712I100 VIDEO HEAT SINKMTL 19 01 133 MA01241 ...

Page 28: ... CB0100AMHT0 CAPACITOR 10U 100V M AP5 2 C2EB C2EG 16 CB022BAMHT0 CAPACITOR 22U 100V M AP5 3 C2DB C2DG C2DR 17 CB033A6MHT0 CAPACITOR 3 3U 50V M AP5 8 C306 C307 C308 C309 C310 C311 C312 C313 18 CB04702MHT0 CAPACITOR N P 47U 10V M AP5 ND 1 C262 19 CB04703MHT0 CAPACITOR 47U 16V M AP5 7 C242 C281 C2Z1 C301 C303 C322 C361 20 CB047B6MHT1 CAPACITOR N P 47U 50V M AP5 ND 3 C21B C21G C21R 21 CB10003MHT0 CAPA...

Page 29: ... K323 K324 K330 K339 K362 K363 K364 46 XX0900T2160 JUMPER WIRE D 0 6MM P17 5 1 K308 47 XX0900T2178 JUMPER WIRE D 0 6MM P20 3 K325 K342 K356 48 XX0900T2200 JUMP WIRE D 0 6MM P6 0 4 K304 K310 K316 K369 49 XX0900T2380 JUMPER WIRE D 0 6MM P 5 5 8 K301 K302 K303 K305 K317 K318 K357 K358 50 XX0900T2390 JUMPER WIRE D 0 6MM P 6 5 3 K307 K327 K390 51 XX0900T2450 JUMPER WIRE D 0 6MM P 7 2 K337 K338 52 XX090...

Page 30: ...SG R2SR 15 SD0023300H0 CHIP RES 1 10W330 5 0805 2 R286 R287 16 SD0023301H0 CHIP RES 1 10W3 3K 5 0805 2 R256 R305 17 SD0023302H0 CHIP RES 1 10W33K 5 0805 1 R242 18 SD0024700H0 CHIP RES 1 10W470 5 0805 14 R057 R059 R061 R064 R259 R262 R306 R30B R30G R30R R310 R311 R312 R313 19 SD0024701H0 CHIP RES 1 10W4 7K 5 0805 5 R060 R275 R284 R321 R322 20 SD0024702H0 CHIP RES 1 10W47K 5 0805 5 R241 R251 R254 R2...

Page 31: ...DE 31DF4 FC3 P20 1 D801 17 BC1UZ47C005 DIODE 5TUZ47C 1 D763 18 BC20RU3C000 DIODE RU3C P15 1 D751 19 BC2ERA320T0 DIODE ERA32 02 1 D807 20 BC2FWJ42000 DIODE 2FWJ42N 1 D762 21 BC4HZS160T0 ZENER DIODE HZS16 2 1 D61Z 22 BD112P0M200 CRYSTAL 12MHZ AT 49 50PPM 7PFKDS 1 X101 23 CB0220AMHT0 CAPACITOR 22U 100V M AP5 1 C613 24 CB1000AMH00 CAPACITOR 100U 100V M AP5 1 C753 25 CB1000BMH00 CAPACITOR 100U 250V M A...

Page 32: ...000 HOUSINGCONN SET H972 MB E821 CDT E252 EF20121 1 E821 63 DC02H000100 HOUSINGCONN SET H972 MB E011 CDT E251 EF20112 1 E011 64 DC030040300 WAFER CONN CHYAO JS 1132 03 3P P2 5 1 E401 65 DC030040500 WAFER CONN JFE 2661752 3P P7 5 5 1 E610 66 DC030041700 WAFER CONN JFE 2983198A5P P10 1 E771 67 DC1500094H0 CORE CHILISHIN 2773773 1 E10 68 DC1510019T0 BEAD TAIYO YUDEN 2 3uH 2 L80F L81F 69 DC190018400 C...

Page 33: ...14B100 V OUT HEAY SINKDJ72 19 01 132 MA01251 1 HS601 89 MAA20104400 SCREW M3X0 5 10P MC ADD 2 WASHER 10 740A 740B D763 I601 I601 Q504 Q505 Q763 Q765 Q801 90 MAB80013400 SCREW M3X0 5 14B MC 4 M01 M02 M03 M04 91 MABA0002400 SCREW TPB2X3 12V MC 5 M05 M06 M07 M08 M09 92 X62A2488011 PCBA POWER VA 906 H972 1 ZZZ ...

Page 34: ...21EFS20T0 DIODE 11EFS2 1 D802 14 BC2ERA320T0 DIODE ERA32 02 1 D806 15 BC2PG06G0T0 DIODE RMPG06G 2 D761 D765 16 BC40HZ6B2T7 ZENER DIODE HZ6B 2 7 D18Z D19Z D1EZ D1FZ D60Z D70Z D71Z 17 BC4HZS200T0 ZENER DIODE HZS20 2L 1 D77Z 18 BC4ZS6A10T0 ZENER DIODE HZS6A 1 2 D74Z D75Z 19 BC4ZS7C10T0 ZENER DIODE HZS7C 1 1 D81Z 20 BC4ZS9C10T0 ZENER DIODE HZS9C 1 1 D80Z 21 CA010C6ZHT0 CERAMIC CAP 01U 50V Z Y5V P5 4 C...

Page 35: ...2 CC056A111T6 RESISTOR 1 4W5 6 5 1 R624 53 CC1000011T7 RESISTOR 1 2W100 5 S1 1 R805 54 CC1000111T2 RESISTOR 1 4W100 5 S1 1 R773 55 CC1000211T8 RESISTOR 1 8W100 5 S1 29 R101 R102 R103 R104 R111 R112 R131 R132 R133 R134 R135 R136 R137 R151 R152 R155 R156 R157 R501 R514 R535 R603 R604 R701 R722 R723 R740 R826 R98E 56 CC1001011T1 RESISTOR 1 2W1K 5 S1 1 R521 57 CC1001111T7 RESISTOR 1 4W1K 5 S1 2 R405 R...

Page 36: ...470 5 S1 2 R505 R715 90 CC4700I11T0 RESISTOR 1 2W470 5 S 1 R804 91 CC4701211T7 RESISTOR 1 8W4 7K 5 S1 16 R106 R109 R10E R113 R11W R130 R520 R615 R616 R617 R744 R783 R81F R81G R825 R82A 92 CC4702011T1 RESISTOR 1 2W47K 5 S1 1 R516 93 CC4702211T1 RESISTOR 1 8W47K 5 S1 2 R10L R629 94 CC4703111T1 RESISTOR 1 4W470K 5 S1 1 R781 95 CC5100125TZ RESISTOR M F 1 4W510 1 1 R705 96 CC5601211T6 RESISTOR 1 8W5 6K...

Page 37: ...K739 K747 K751 K756 K766 K774 K781 K782 K784 K790 K806 K919 K923 K947 K949 K984 K985 K986 K990 127 XX0900T2135 JUMPER WIRE D 0 6MM P10 47 K10W K10X K126 K128 K129 K130 K132 K137 K140 K141 K143 K155 K157 K401 K407 K502 K506 K511 K604 K608 K609 K610 K611 K614 K713 K722 K724 K734 K744 K748 K75A K776 K805 K814 K815 K907 K915 K91E K940 K953 K965 K966 K976 K978 K983 K987 K988 128 XX0900T2143 JUMPER WIRE...

Page 38: ... K901 K902 K903 K91B K920 K921 K922 K92B K937 K93B K94B K981 K982 134 XX0900T2390 JUMPER WIRE D 0 6MM P 6 5 60 K113 K114 K120 K121 K122 K138 K144 K145 K151 K152 K153 K154 K161 K210 K405 K406 K40X K509 K512 K601 K605 K617 K618 K619 K709 K717 K71F K71H K72X K737 K742 K74A K753 K754 K760 K762 K764 K765 K772 K78A K791 K792 K803 K80K K913 K914 K918 K91A K925 K927 K929 K931 K933 K934 K936 K938 K941 K980...

Page 39: ...20 19 CB22012MH00 CAPACITOR 200U 10V M AP5 1 C986 20 CC0100X6XH0 RESISTOR THERMISTOR 3A10 SCK 103 1 R90A 21 CC022BK91MZ RESISTOR MOF 2W 22 5 S 2 R911 R912 22 CC045AX68H0 RESISTOR POSISTOR 4 5 30 20 270V 2PIN 1 R903 23 CC1003L91MZ RESISTOR MOF 3W100K 5 S 1 R941 24 CC5602L91MZ RESISTOR MOF 3W56K 5 S 1 R921 25 CF2100106H0 TRIMMER RES 1 10W1KB KVSF637B2S102 TOP 1 R973 26 CF2200213H0 TRIMMER RES 1 10W2...

Page 40: ...971 POWER ER 35 BT01531 1 T921 45 DG1H0000200 TRANSFORMER H972 ER 28 POWER BT01542 1 T940 46 DX504P022H0 FUSE 4 0A250V S UL CSA 1 F901 47 EEH97140100 AC INLET METALDJ71 19 01 130 NA40851 1 ZE901 48 FBH97134100 POWREALY BUTTON DJ71 DJ72 K027 PC03491 1 ZS901 49 LCH97137100 POWER HEAT SINKDJ71 DJ72 K038 MA00914 1 HQ910 50 LCH97138100 C7N POWER HEAT SINK DJ72 K039 4347321 1 HS920 51 MAA20104400 SCREW ...

Page 41: ...047FCJHT0 CERAMIC CAP 47P 500V J NPO P5 2 C975 C976 18 CA068D6KHT0 CERAMIC CAP 6800P 50V KY5P P5 1 C918 19 CB00106MHT0 CAPACITOR 1U 50V M AP5 2 C917 C929 20 CB02203MHT0 CAPACITOR 22U 16V M AP5 3 C919 C923 C925 21 CB04703MHT0 CAPACITOR 47U 16V M AP5 2 C943 C944 22 CB04705MHT0 CAPACITOR 47U 35V M AP5 1 C942 23 CB0470AMHT0 CAPACITOR 47U 100V M AP5 1 C973 24 CB047A6MHT0 CAPACITOR 4 7U 50V M AP5 1 C915...

Page 42: ... 5 1 R946 49 CC2203111T3 RESISTOR 1 4W220K 5 S1 1 R91H 50 CC3300211T0 RESISTOR 1 8W330 5 S1 1 R976 51 CC33040B1TZ RESISTOR GRAZD 1 2W3 3M 5 2 R918 R91P 52 CC3601211T2 RESISTOR 1 8W3 6K 5 1 R91Q 53 CC3900111T1 RESISTOR 1 4W390 5 1 R988 54 CC4302211T1 RESISTOR 1 8W43K 5 S1 1 R91A 55 CC4700111T7 RESISTOR 1 4W470 5 S1 1 R997 56 CC4701211T7 RESISTOR 1 8W4 7K 5 S1 2 R944 R992 57 CC4702211T1 RESISTOR 1 8...

Page 43: ... 43 DISPLAY UNIT ASSEMBLY ...

Page 44: ...010H POWER CORD SET SP305X1 8MXIS15 IVO 80 1 301 4 52261588001 DIS UNIT ASSY HAL MH972 U SEMKO CUL C T T99 HIT 1 351 5 52261588002 DIS CM772U CI MH972H U SEMKO CU C T T99 1 351 6 62003188001 MH972H01 PACKING HALUR SEMKO CUL C T TCO99 HIT 1 352 7 62003188002 MH972H01 PACKING HHEE U SEMKO CUL C T TCO99 HIT 1 352 8 62003188003 PACKINGCM772U CI MH972H UR SEMKO CU C T T99 1 352 9 62003188004 PACKINGHAU...

Page 45: ...FJH9712J100 BOTTOM CUSHION DJ72 K049 SP07061 1 201 2 FJH9712K100 TOP FRONT CUSHION DJ72 K050 SP07071 1 202 3 FJH9712L100 TOP REAR CUSHION DJ72 K051 SP07081 1 203 4 FAH97123100 COVER 19 01 106 QD06503 1 204 5 EEH97116100 TOP METAL U DJ72 K015 MD05933 1 205 6 MAB80003200 SCREW TPB2X4 16B UC 2 206 7 MAAA0014400 SCREW TPS2X3 8CT MC 6 207 ...

Page 46: ...00 RATINGNP R N H972 CI WARNING 1 002 6 HB4H9720000 CARTON C H972 HALCHN 1 003 7 HB4H9720110 CARTON C H972 HHEE CHN R1 1 003 8 HB4H9720200 CARTON C H972 CICHN 1 003 9 HDHALH97200 USER S MANUAL U H972 HALFU FTCO99 1 004 10 HDHHEEH9720 USER S MANUAL U H972 HHEE FU G F S ITCO99 1 004 11 HF6H1150000 INFDISKMANUAL F H115 NSAFOR DISK 1 005 12 HF6H7990000 CONSUMER CARD F H799 H999 NSAFOR MANUAL 1 006 13 ...

Page 47: ... 47 ...

Page 48: ... 48 ...

Page 49: ...LA9H000000 DEGAUSSINGCOIL H972 CRT AROUND 45X90BZ02621J 1 1 302 2 HGTH9710000 REV LABEL H971 L001 FOR CHASSIS 1 1 303 3 EJ3H1110000 LOGO NP N H111 CI CORNERSTONE 1 304 4 51A04988001 CRT YOKE ASSY 19C HIT H971 UR TCO99 1 1 351 5 51A05088011 VIDEO ASSY H972 UR SEMKO CUL C T T99 HIT 1 1 352 6 X66A6588011 MECHANICALFINALASSY H972 1 353 7 X66A6588012 MEC PARTS MH972H FINALASSY 1 353 8 X66A6688011 CHASS...

Page 50: ...124 KL00801 1 1 007 7 EXH9714F100 EARTH SPRINGDJ71 19 01 122 3333926 2 2 008 8 FAH97111100 BEZELASSY QD08911 1 009 9 FAH97111300 BEZELASSY CORNER CM772 QD08912 MCG13 1 009 10 FAH97113100 BOTTOM COVER SASSY DJ72 K011 QD07094 1 1 011 11 FBH97126100 REAR PANEL 19 01 113 PH07861 1 1 012 12 FCH97145100 DIN CAP 19 01 112 PH06481 1 1 013 13 LC05H971100 LOCKSPACER GIN LIAN PSB 10 1 1 014 14 LC05H971200 AN...

Page 51: ...02 3 EEH9712B100 REAR METALP1 CABLE 19 01 117 NQ07007 1 203 4 FHH97148100 VIDEO CUSHION DJ72 K057 MN02773 2 207 5 KA006206ZZ7 LOCKINGCABLE TIE ALT 1 A 106MM 1 208 6 LCH97133100 WIRE CLAMP GIN LIAN WCM 04 2 209 7 LCH97133200 WIRE CLAMP GIN LIAN WCM 03 1 210 8 MAA20105400 SCREW M4X0 7 8P MC 1 212 9 MAAA0014400 SCREW TPS2X3 8CT MC 4 214 10 MC300000607 WASHER EX LOCK ETW4 3X8 5X0 45 MC 1 215 11 FHH971...

Page 52: ...creen VR knob together with FBT body for approximately 5 seconds to melt them Refer to Photo 3 and 4 3 Attach the head of solder tool softly on the left side of Screen VR knob together with FBT body for approximately 5 seconds to melt them Refer to Photo 5 and 6 4 Attach the head of solder tool on the top of Screen VR knob for approximately 7 seconds to melt it Refer to Photo 7 and 8 5 Check Scree...

Page 53: ... 53 Attachment A Page 2 of 5 Photo 1 Head of solder tool Side view Photo 2 Head of solder tool Top view ...

Page 54: ... 54 Attachment A Page 3 of 5 Photo 3 Melting right side of VR knob together with FBT body Photo 4 Melting right side of VR knob together with FBT body Done ...

Page 55: ... 55 Attachment A Page 4 of 5 Photo 5 Melting left side of VR knob together with FBT body Photo 6 Melting left side of VR knob together with FBT body Done ...

Page 56: ... 56 Attachment A Page 5 of 5 Photo 7 Melting top of VR knob Photo 8 Melting top of VR knob Done ...

Page 57: ...8 1 5 5 5 0 9 8 8 5 1 1 5 5 5 1 1 1 4 1 15 2 2 2 0 9 2 2 0 9 2 2 1 5 5 5 1 5 5 2 4 9 44 8 2 4 0 9 4 8 8 4 5 1 1 5 5 5 0 9 8 4 5 6 5 5 8284 1 9 03 1 6 4 2 4 8 0 9 4 2 22 5 5 5 1 5 2 8 0 9 2 8 5 6 1 5 5 1 4 2 2 0 9 2 28 5 No 0401 SEPTEMBER 2000 ...

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Hitachi CM771ET, Service Manual

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