10-17
C20
J318
J319
R213
R408
C28
J320
R409
R215
J321
J322
J323
J324
R601
J325
J326
J327
J328
R605
D181
J329
D182
CN202
D183
R222
J330
R418
J331
J332
J333
J334
CN401
J335
CN402
J336
CN403
J337
CN404
J338
JS511
CN406
JS512
J340
CN601
J341
J342
J343
J344
J345
J346
J347
J348
J349
CN801
CN802
J350
J351
J352
J353
J354
J355
J356
J357
J358
J359
C408
R638
Q11
R639
Q12
Q13
J360
J361
C602
J362
J363
J364
R640
C604
FH605
R641
C605
J365
FH606
R642
C606
J366
R643
C607
J367
C608
R644
J368
C415
C609
R645
J369
R646
C417
R647
R648
R649
C610
J370
J371
J372
J373
R650
J374
C809
R651
J375
R652
J376
R653
J377
R654
J378
R655
JS551
J379
JS552
R656
J380
C621
J381
C816
J382
C817
C623
J383
J384
C819
J385
J386
J387
C628
J388
C629
J389
C630
J390
C631
C825
J391
C826
J392
J393
J394
C829
R671
J395
J396
J397
J398
J399
D201
D202
D203
D204
Q301
D206
D207
D208
D209
D401
D402
D403
D210
Q501
D211
D212
D213
Q503
Q504
Q505
Q506
Q508
Q509
L301
L302
L303
L304
Q510
Q511
D609
Q512
Q513
Q514
D801
Q516
Q517
D803
Q518
D804
D610
D805
D611
D806
D612
D807
D808
D809
Q520
Q521
BC501
BC502
Q522
BC503
Q523
BC504
D810
D624
T601
D625
D626
T602
IC607
D627
D628
D629
D630
D631
D634
D635
D636
D637
D638
D639
J400
J401
J402
J403
J404
JK301
J406
JK302
J407
J408
J409
J410
J411
J412
J413
J414
J415
J416
J417
J418
R501
J419
JS401
CN101
J420
Q181
J421
J422
Q182
Q183
J423
J424
J425
J426
J427
J428
R510
JS601
J429
JS602
JS603
R513
JS604
JS605
JS606
R517
J430
R518
J431
R519
J432
J433
J434
J435
J436
J437
J438
R520
JS611
J439
L11
JS612
R522
R523
R526
J440
J441
BC181
J442
BC182
J443
J444
J445
J446
J447
J448
J449
R531
R532
R533
R534
R341
R535
R342
R537
J450
J451
J452
J453
J454
J455
C501
J456
J457
C503
J458
C504
R540
J459
BC11
R541
C507
C508
R546
R547
J460
R14
R548
J461
R549
J462
J463
J464
C510
R18
J465
C511
J466
J467
C513
J468
R550
C514
J274
J469
C515
R551
J275
R552
C516
J276
C517
R553
J277
J278
C519
R557
J470
R558
J471
R559
J472
J473
J474
J280
J475
C521
J281
J476
C522
J282
J477
C523
J283
J478
C524
R560
J284
C525
J285
C527
C528
J288
R565
R566
J480
J481
R569
J482
J483
J484
J290
C531
J291
C532
J292
J293
R570
J294
R572
SA602
J296
R573
J297
J298
J299
R578
SA608
R580
R581
R583
R589
R590
R591
D301
D302
R592
D303
R593
R594
D304
Q401
R595
D305
Q402
D306
Q403
D307
Q404
R598
D308
Q405
D309
TU1
AC601
D502
L202
D503
L203
D504
L204
D310
D505
D311
D506
D312
D507
D313
D508
D314
D509
D315
D316
D317
D318
D319
BC201
D510
D511
D512
D513
D514
D320
D515
D321
D516
D322
D517
D323
D518
D324
BC401
D325
L601
BC402
D326
BC403
D327
D520
D521
D522
D523
D524
D525
L801
Q621
BC601
D526
L802
BC602
D527
L803
Q623
BC603
D528
L804
D529
BC607
BC608
BC609
D530
D531
D532
BC802
D533
BC803
BC610
D534
BC804
D535
BC805
D536
D537
D538
D539
J300
D541
J301
D542
J302
D543
J303
D544
J304
D545
JK201
BC621
J305
D546
JK202
BC622
J306
JK203
BC623
J307
D548
JK204
BC624
J308
D549
JK205
J309
BC625
JK206
BC626
JK207
D550
J310
J311
D552
J312
J313
JK210
J314
JK211
J315
JK212
J316
JK213
J317
HOT
COLD
COLD
1
2
29
28
28
29
28
29
28
29
1
2
1
2
1
2
HOT
COLD
BA0CA0F0101 3
Q624
R347
1
11
1
2
11
10
1
3
1
6
2
1
1
4
C310
C331
C332
C319
C509
J405
CN407
A
B
C
D
E
1
2
3
4
5
6
J339
J273
R425
C842
D811
R401
C21
R402
C22
R403
C23
JS300
R404
C24
R210
JS301
R405
C25
R211
JS302
R406
C26
R212
JS303
R407
C27
JS304
R214
C29
R216
R217
R410
R411
R412
R413
R414
R415
R417
R223
R224
R801
R225
R802
R226
R803
R227
R804
R228
R805
R229
R806
R807
R420
R808
R421
R809
R422
R423
R230
R810
R813
C201
C202
C203
R628
C204
R629
C205
C206
C207
C208
C209
R823
R630
C401
C402
C403
C404
C405
C406
C407
C213
C214
C409
C215
C216
C217
C410
C411
C412
C413
C416
C222
C223
C418
C224
C419
C801
C225
C802
C226
C803
C227
C228
C805
C806
C807
C420
C421
R657
C810
C811
C812
C813
C814
C818
C624
R660
C625
R661
C626
R662
R663
R664
C820
C821
C822
C823
C824
C827
R672
R675
C830
C831
C832
C833
C834
C835
C836
C837
C838
C839
C840
R495
C841
JS13
JS14
IC401
JS20
JS21
IC803
IC621
R301
R303
R304
R305
R307
R308
R309
R310
R505
R311
R312
R313
R508
R314
R509
R315
R316
R317
R318
R319
R511
R512
R320
R515
R321
R322
R324
R325
R326
R903
R328
R329
R908
R521
R524
R330
R331
R332
R527
R333
R528
R334
R529
R335
R336
R530
C301
C302
C303
C304
R340
C305
R536
C306
C307
R538
C308
R345
C309
R346
C505
C311
C312
C313
C314
R545
C315
R12
C316
R13
C317
C318
R15
R16
R17
C320
C321
C322
C323
R554
R20
C518
C324
C325
R556
C326
C327
C328
R24
C329
R25
R26
C330
C529
R567
R568
R181
R182
R183
R184
R186
R187
C533
C534
C535
R40
R41
R579
R582
R586
R587
R596
C181
C182
C183
C184
C185
Q622
C11
C12
C13
R201
C16
R202
R203
C18
R204
C19
R205
R206
R207
R208
R209
HOT
WF8
PIN 29 OF
CN404
WF9
PIN 28 OF
CN404
WF10
PIN 26 OF
CN404
WF1
PIN 2 OF
CN404
WF4
PIN 4 OF
CN404
WF5
PIN 6 OF
CN404
WF6
P I N 8 O F
CN404
WF7
PIN 22 OF
CN401
WF2
PIN 27 OF
CN401
WF3
PIN 29 OF
CN401
Power Supply CBA Bottom View
BA0CA0F01013
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Because a hot chassis ground is present in the power supply
circuit, an isolation transformer must be used when repairing.
Also, in order to have the ability to increase the input slowly,
when troubleshooting this type of power supply circuit,
a variable isolation transformer is required.
Summary of Contents for LT850-M26 - SERVICE
Page 13: ...4 2 A0CA0DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 2 S 3 S 2 S 4 S 2 S 2 S 2 Fig D1...
Page 35: ...10 4 A0CA0SCP2 Power Supply 2 Schematic Diagram...
Page 36: ...10 5 A0CA0SCP3 Power Supply 3 Schematic Diagram...
Page 37: ...10 6 A0CA0INV Inverter Schematic Diagram...
Page 39: ...10 8 A0CA0SCF Function Schematic Diagram...
Page 72: ...LT850 M26 A0CA0EP 2010 06 15...
