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Sony KE-50XBR900 Service Manual - Page 95

Input/output Terminal ], U1 Board, <conductor Side&gt, <component Side&gt, U1 Board

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U1 [ INPUT/OUTPUT TERMINAL ] - U1 BOARD - 1 CN9404 A CN9403 C9401 C9431 C9430 C9402 J9412 B J9411 JR9416 JR9417 2 J9206 J9401 C9226 C9411 CL2 C9412 C9405 C9408 J9409 C9420 VD9421 VD9436 C9417 C9414 3 CN9401 CN9402 VD9420 VD9435 VVDD99J9444130946 C9424 J9400 J9410 C9421 JR9418 JR9419 C9410 1 2 3 FL9400 Q9206 VD9416 C9221 C9212 D9224 R9256 R9258 VD9415 D9228 D9430 R9411 JR9414 A D9431 R9412 FL9402 JR9400 JR9401 D9432 C9418 R9413 C9409 R9418 R9415 C9415 D9433 VD9411 VD9412 R9437 R9406 VD9406VD9405 R9439 R9404 JR9410 JR9411 JR9409 D9420 R9410 D9447 R9435 D9446 R9425 D9419 R9408 D9428 VD9417 JR9403 JR9408 VD9430VD9431 JR9402 D9421 JR9415 D9437 D9424 D9434 C9423 R9416 R9419 JR9406 R9440 R9409 VD9402VD9401 R9436 R9407 VD9404VD9403 VD9418 D9423 B JR9405 C9413 D9438 VD9432 VD9433 JR9404 D9436 C9406 JR9407 FL9403 D9435 R9417 R9420 R9414 D9427 R9441 R9405 VD9408VD9407 R9438 R9403 VD9409 VD9410 VD9413 VD9414 • U1 BOARD SEMICONDUCTOR LOCATION TRANSISTOR ( ) ( ) * COMPONENT SIDE CONDUCTOR SIDE Q9206 A-2 1 DIODE ( ) ( ) * COMPONENT SIDE CONDUCTOR SIDE D9224 D9228 D9419 D9420 D9424 D9427 D9430 D9431 D9432 D9433 D9434 D9435 D9436 D9438 D9446 D9447 A-2 3 A-2 3 A-3 3 A-3 3 B-1 3 B-1 3 A-2 3 A-2 3 A-2 3 A-2 3 B-2 3 B-2 3 B-1 3 B-2 3 A-3 3 A-3 3 *: Refer Terminal name of semiconductors in silkscreen printed circuit (see page 4-18) KE-50XBR900(UC) 4-60

Section	Page
MODIFICATION HISTORY	1
FCOVER	2
SAFETY CHECK-OUT	4
DIAGNOSIS	6
TABLE OF CONTENTS	8
1. DISASSEMBLY	10
1-1. PANEL UNIT (PDM-5000)	10
1-1-1. REAR COVER REMOVAL	10
1-1-2. K AND F BOARDS REMOVAL	11
1-1-3. P BOARD REMOVAL	12
1-1-4. G AND F2 BOARDS REMOVAL	13
1-1-5. R1 BOARD REMOVAL	14
1-1-6. R2 BOARD REMOVAL	15
1-2. MEDIA RECEIVER UNIT (MBT-XBR900)	16
1-2-1. PANEL AND COVERS REMOVAL	16
1-2-2. H1 BOARD REMOVAL	17
1-2-3. H4 BOARD REMOVAL	18
1-2-4. H3 BOARD REMOVAL	19
1-2-5. MS2 BOARD REMOVAL	20
1-2-6. H2 BOARD REMOVAL	21
1-2-7. A BOARD REMOVAL	22
1-2-8. B BLOCK ASSY REMOVAL	23
1-2-9. M, AD, AND AU BOARDS REMOVAL	24
1-2-10. AD AND AU BOARDS REMOVAL	25
1-2-11. M BOARD REMOVAL	26
1-2-12. IF BOARD REMOVAL	27
1-2-13. U1 BOARD REMOVAL	28
1-2-14. U2 BOARD REMOVAL	29
2. ADJUSTMENTS	30
2-1.VS,VD Voltage Adjustment (PDM-5000)	30
2-2.White Balance Adjustment (PDM-5000)	31
3. TROUBLESHOOTING	34
3-1. DISPLAY UNIT (PDM-5000)	34
3-2. MEDIA RECEIVER UNIT (MBT-XBR900)	35
4. DIAGRAMS	36
4-1. BLOCK DIAGRAMS	36
4-1-1. DISPLAY UNIT (PDM-5000)	36
4-1-2. MEDIA RECEIVER UNIT (MBT-XBR900)	41
4-2. FRAME DIAGRAM	50
4-3. CIRCUIT BOARDS LOCATION	51
4-3-1. DISPLAY UNIT (PDM-5000)	51
4-3-2. MEDIA RECEIVER UNIT (MBT-XBR900)	52
4-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS	53
4-4-1. DISPLAY UNIT (PDM-5000)	54
(1) Schematic Diagram of F Board	54
(2) Schematic Diagram of F2 Board	55
(3) Schematic Diagrams of G Board	56
(4) Schematic Diagram of K Board	60
(5) Schematic Diagrams of P Board	62
(6) Schematic Diagrams of R1 and R2 Boards	67
4-4-2. MEDIA RECEIVER UNIT (MBT-XBR900)	68
(1) Schematic Diagrams of A Board	68
(2) Schematic Diagrams of AD Board	71
(3) Schematic Diagram of AU Board	76
(4) Schematic Diagram of DP Board	78
(5) Schematic Diagrams of H1 and H5 Boards	80
(6) Schematic Diagram of H2 Board	82
(7) Schematic Diagrams of H3 AND H4 Boards	83
(8) Schematic Diagram of IFA Board	84
(9) Schematic Diagrams of M Board	86
(10) Schematic Diagram of MS2 Board	92
(11) Schematic Diagram of U1 Board	94
(12) Schematic Diagram of U2 Board	96
(13) Schematic Diagrams of BM1C Board	97
(14)Schematic Diagrams of DICA Board	100
4-5. SEMICONDUCTORS	106
5. EXPLODED VIEWS	109
5-1. DISPLAY UNIT(PDM-5000)	110
5-2. MEDIA RECEIVER UNIT-1(MBT-XBR900)	112
5-3. MEDIA RECEIVER UNIT-2(MBT-XBR900)	114
5-4. PACKING MATERIALS FOR DISPLAY UNIT(PDM-5000)	115
5-5. PACKING MATERIALS FOR MEDIA RECEIVER UNIT(MBT-XBR900)	116
6. ELECTRICAL PARTS LIST	117

Match case Limit results 1 per page

KE-50XBR900(UC)

4-60

[ INPUT/OUTPUT TERMINAL ]

— U1 BOARD

—

C9226

C9401

C9402

C9405

C9408

C9410

C9411

C9412

C9414

C9417

C9420

C9421

C9424

C9430

C9431

CL2

CN9401

CN9402

CN9403

CN9404

J9206

J9400

J9401

J9406

J9409

J9410

J9411

J9412

JR9416

JR9417

JR9418

JR9419

VD9419

VD9420

VD9421

VD9434

VD9435

VD9436

C9212

C9221

C9406

C9409

C9413

C9415

C9418

C9423

D9224

D9228

D9419

D9420

D9421

D9423

D9424

D9427

D9428

D9430

D9431

D9432

D9433

D9434

D9435

D9436

D9437

D9438

D9446

D9447

FL9400

FL9402

FL9403

JR9400

JR9401

JR9402

JR9403

JR9404

JR9405

JR9406

JR9407

JR9408

JR9409

JR9410

JR9411

JR9414

JR9415

Q9206

R9256

R9258

R9403

R9404

R9405

R9406

R9407

R9408

R9409

R9410

R9411

R9412

R9413

R9414

R9415

R9416

R9417

R9418

R9419

R9420

R9425

R9435

R9436

R9437

R9438

R9439

R9440

R9441

VD9401

VD9402

VD9403

VD9404

VD9405

VD9406

VD9407

VD9408

VD9409

VD9410

VD9411

VD9412

VD9413

VD9414

VD9415

VD9416

VD9417

VD9418

VD9430VD9431

VD9432

VD9433

TRANSISTOR

COMPONENT

CONDUCTOR

SIDE