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Date: 10/02/98    R762120

G2+DIAGNOSTIC

R762120

14

Parts listing 76 2120

Parts listing R762120

SIT.

ITEM NO. DESCRIPTION

QUANTITY

20

R133036 SPR L 6   D 2,4D 6   CE

5

120

R133063 HTSN@A SOT93 I_MICA 28X

1

220

R133074 HTSN@A       I_SIL W30

400

R3631049 SCR Z933  M 3  X  6  SS

1

30

R3631059 SCR Z933  M 3  X  8  SS

1

130

R3631059 SCR Z933  M 3  X  8  SS

3

230

R3631059 SCR Z933  M 3  X  8  SS

4

500

R3631239 SCR Z933  M 4  X 10  SS

2

401

R3661026 NUT D934  M 3        SS

1

140

R366988 NUT TRAD  M 3  EDGE  PLBK

2

240

R366988 NUT TRAD  M 3  EDGE  PLBK

2

402

R367502 SPR D6798AD 3,2D 6   STZN

1

10

R367699 RVT AVTRON2,5L 8,1   AL

6

1010 R367699 RVT AVTRON2,5L 8,1   AL

2

1000 R722276 LOCK49 PCB UN CPL

1

100

R803607 HTSN G808 SMP2+G2

1

200

R804614 HTSN G808 SMP+G2

1

110

R804832 HTSN A GEN   SPG 1XM3  LG

1

210

R804834 HTSN A GEN   SPG 2XM3  LG

1

R762120A UN G1200 G2+CHK

1

R762120S UN G1200 G2+CHK SUB

1

Z3450110 WU CUSN  0,60 MM       40

1

C149 R111468 C  EL  RA 470M M 16E2  85

1

C100 R111477 C  EL  RA 100M M 25E2  85

1

C170 R111477 C  EL  RA 100M M 25E2  85

1

C101 R111486 C  EL  RA  47M M 50E2  85

1

C187 R111556 C  EL  RA 470M M100E3  85

1

C188 R111556 C  EL  RA 470M M100E3  85

1

C189 R111556 C  EL  RA 470M M100E3  85

1

C178 R111578 C  EL  RA 100M M400E4 105

1

C 12

R111718 C  CE  DI   1N K302E3  HV

1

C140 R112741 C  CE  MI   1N5K100E2

1

C  1

R112747 C  CE  MI   4N7K100E2  85

1

C226 R113720 C  POMERA  47N K 63E2  85

1

C154 R113724 C  POMERA 100N K 63E2  85

1

C216 R113724 C  POMERA 100N K 63E2  85

1

C229 R113724 C  POMERA 100N K 63E2  85

1

C  4

R113728 C  POMERA 220N K 63E2  85

1

C148 R114090 C  POMERA   1M K 63E2  85

1

C163 R1150051 C  PPMERA   2N2J162E9  HV

1

C143 R115936 C  PP  RA   6N8J 63E2  85

1

D 16

R131662 D LED D3     T RD

1

D  9

R131667 D LED D3     T GN

1

D 10

R131667 D LED D3     T GN

1

D 13

R131667 D LED D3     T GN

1

D 14

R131667 D LED D3     T GN

1

D 15

R131667 D LED D3     T GN

1

D 18

R131667 D LED D3     T GN

1

D 19

R131667 D LED D3     T GN

1

D 20

R131667 D LED D3     T GN

1

D246 R131667 D LED D3     T GN

1

D253 R131667 D LED D3     T GN

1

D184 R1319025 D R BY255   1323A0 DO201

1

D185 R1319025 D R BY255   1323A0 DO201

1

D280 R131907 D R BY584   182085 SOD61A

1

D281 R131907 D R BY584   182085 SOD61A

1

D282 R131907 D R BY584   182085 SOD61A

1

D181 R131927 D R BY229   60007A TO220C

1

D182 R131927 D R BY229   60007A TO220C

1

D183 R131927 D R BY229   60007A TO220C

1

F176 R314143 F  5X20 F   2A   H     UL

1

F190 R314188 F TR5   T   4A   L     UL

1

F191 R314188 F TR5   T   4A   L     UL

1

F192 R314188 F TR5   T   4A   L     UL

1

F176 R314516 F A H+C  6A  5X20    BV B

1

I207

R131691 U 601-3   SFH    DIP6   P

1

I179

R132787 U 4601-5  TDA    SIP9   P

1

I217

R134010 U 7815           TO220  P

1

I  1

R134113 U 084     TL     DIP14  P

1

I145

R134114 U 393     LM     DIP8   P

1

I216

R134114 U 393     LM     DIP8   P

1

J  1

R313525 J EUR2C MBS P64 E1C2S 1,6

1

J  2

R313525 J EUR2C MBS P64 E1C2S 1,6

1

L144 R302108 CORE TUBE  3,5 /1,3 X 3

1

L193 R305913 CH MNS AX NS 12 UH  3A

1

L194 R305913 CH MNS AX NS 12 UH  3A

1

L195 R305913 CH MNS AX NS 12 UH  3A

1

L168 R3061322 CH AX NS   10   UH

1

L144 Z3450110 WU CUSN  0,60 MM       40

1

P  1

R106733 R TCE H100K  K 0W5  S10TS

1

P  2

R1076136 R THV V  5M  M 0W5   1000

1

P  3

R1076136 R THV V  5M  M 0W5   1000

1

P  4

R1076136 R THV V  5M  M 0W5   1000

1

Q203 R1314072 Q BC547A      N SS TO92

1

Q100 R1314131 Q BC557B      P SS TO92

1

Q  2

R1325096 Q BU508A      N P  SOT93

1

Q141 V132599 Q BU2525A     N P  SOT93

1

R 16

R101358 R  MF H 68K  J 2W   E7

1

R211 R101359 R  MF H 82K  J 2W   E7

1

R 28

R101462 R  MF H150K  J 2W   E7

1

R 29

R101462 R  MF H150K  J 2W   E7

1

R 37

R101462 R  MF H150K  J 2W   E7

1

R 38

R101462 R  MF H150K  J 2W   E7

1

R169 R102498 R  MF H   E47J 0W6

1

R167 R103226 R  MO H150E  J 2W   E10

1

R184 R103248 R  MO H 10K  J 2W   E10

1

R185 R103248 R  MO H 10K  J 2W   E10

1

R186 R103248 R  MO H 10K  J 2W   E10

1

R164 R103600 R  WW H   E1 K 4W

1

R 17

R104668 R  HV H  3M9 J 0W5   3500

1

R250 R104668 R  HV H  3M9 J 0W5   3500

1

R251 R104668 R  HV H  3M9 J 0W5   3500

1

R 15

R104678 R  HV H 10M  J 0W5   3500

1

R151 V1026006 R  MF H  1K  F 0W6  E4

1

R156 V1026006 R  MF H  1K  F 0W6  E4

1

R  1

V1026008 R  MF H100K  F 0W6  E4

1

R174 V1026424 R  MF H 27E4 F 0W6  E4

1

R103 V1026655 R  MF H475E  F 0W6  E4

1

R 13

V1026727 R  MF H 56K2 F 0W6  E4

1

T180 R774323 T G1200 SMP VAR

1

Z200 A509022 D TVS  33V  1500WU CB429

1

SIT.

ITEM NO. DESCRIPTION

QUANTITY

Summary of Contents for R762120

Page 1: ......

Page 2: ...D IS HOT TO AC THIS POWER SUPPLY LIKE THE HIGH VOLTAGE POWER SUPPLY DOES NOT USE A LINE ISOLATION TRANSFORMER MEANING A PORTION OF THE CIRCUITRYISHOT TO LINEANDSHOULDBETREATEDWITHCAUTION Rev 01 CONV SCAN FAIL 17V 30V 17V 230V HTHD 17V 9V 170V R762120S Voltage diagnostic CONV Overvoltage ...

Page 3: ......

Page 4: ......

Page 5: ...N G R E F P rim a ry S e co n d ary Q 101 P 7 P 1 P 6 F oc us C o n v C o n v 393 1 15V F 1 90 F 1 91 F 1 92 C o n v 1 2 6 5 4 30 V Q 2 0 3 C o n v 3 0V H TH D 393 1 393 7 30 V Z 1 9 7 5 V 6 V ref Q 2 0 8 Q 2 2 7 C o n v 3 0 V O n H o rizo n ta l D e fle c tio n m o d u le L h ig h fre q Hlo wfre q 30 V 1 7 M IC 2 1 7 7 6 2 1 2 0 _ A d rw le v e l d e te c to r O v e rvo lta g e p ro te c tio n ...

Page 6: ...084 1 9UHI 9 9 URP 7 P RGXOH 084 1 084 7 6 9 9 7 9 9 9 6 7 2 19 9 219 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9ROWDJH G LDJQRVWLF M onitoring of the 230Vandthe 170V Q 2 0 3 C o n v 3 0 V H T H D 3 93 1 3 93 7 3 0 V Z 1 9 7 5 V 6 V re f Q 2 0 8 Q 2 2 7 C o n v 3 0 V O nH o rizo n ta l D e fle c tio n m o d u le Lh ighfre q Hlo wfre q 3 0 V le v e l d e te cto r O ve rv o lta g e p ro te ctio n toSFline J1 8 G ...

Page 7: ...onthe 15V derivedfromthe 17M deliveredbythe first or main SMPS and the 300VM Thetransformerandassociatedrectifiercircuitsprovidethe FOCUS CONVand the CONV for the feedback control loop discussed hereafter B Control loop Feedback Adaptation Toobtainatrackingwiththelinefrequency aportionofthe HTHDvoltageisapplied to the base of Q208 Themainloopisrealisedbyapplyingthe CONV voltagetothebaseofQ203 thee...

Page 8: ...20V with P1 we also have a stable G2 voltage at the sliders That 1020 volt point is sensed with the divider R15 R13 P1 Since the Vref is 10volt the output of the OPAMP will change until pin 13 is also at 10 volt Any voltage difference due to a change of the 1020 volt is adjusted by Q2 which will feed a current from to the negative output of the OPAMP via the voltage dropping Q2 transistor Note tha...

Page 9: ...ns necessary for working on HIGH VOLTAGE equipment have been observed Alignment WARNING The power must be OFF before removing any connector from circuit board or unit Failure to do so may result in severe damage to the projection unit Turntheprojectoroff Put the module on the extension boards Connect to the VIDEO input e g an electronic colour test video signal Switch the projector in the VIDEO MO...

Page 10: ...justment of the black balance P2 B P3 G P4 R Observe the bars on the screen If any trace of color appears on the black or white bars then perform the following adjustments in low ambient light Cover the blue and the red lens with the lenscap Short circuit the two pins on the top side of the respective colour driver see illustration AdjusttheGreenG 2controlP3until the green raster is just visible o...

Page 11: ...n adjust the black balance Red cut off and Blue cut off in theRandomaccessadjustmentmode slightly to eliminate any trace of colour Re adjust brightness and contrast for optimum picture There should be no coloration between shades of gray Re adjust color control at normal Adjustment procedure ...

Page 12: ...19025 D R BY255 1323A0 DO201 1 D185 R1319025 D R BY255 1323A0 DO201 1 D280 R131907 D R BY584 182085 SOD61A 1 D281 R131907 D R BY584 182085 SOD61A 1 D282 R131907 D R BY584 182085 SOD61A 1 D181 R131927 D R BY229 60007A TO220C 1 D182 R131927 D R BY229 60007A TO220C 1 D183 R131927 D R BY229 60007A TO220C 1 F176 R314143 F 5X20 F 2A H UL 1 F190 R314188 F TR5 T 4A L UL 1 F191 R314188 F TR5 T 4A L UL 1 F1...

Page 13: ... 10 02 98 R762120 G2 DIAGNOSTIC R762120 15 Spare parts 76 2120 R313525 R804832 R774323 R804834 R314143 R314516 R722276 R366988 FuseF190 R3141188 Fuse F176 FuseF191 R3141188 FuseF192 R3141188 R804614 R803607 ...

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