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R701 C702 R751 R752 R753 R754 (6) Schematic Diagrams of R1 and R2 Boards 1 2 3 4 5 6 A CN701 10P-L :TO P B TO P(2/4)BOARD CN3202 STBY5V 1 SIRCS 2 GND 3 MUTE 4 TIMER 2 5 TIMER 1 6 POWER 7 STBY 8 SAVING 9 C GND 10 D E F C701 C702 R710 47 0.1 47 6.3V 25V :CHIP :AL-CP F:CHIP IC701 GP1UM27SRK :SIRCS VCC OUT GND JL701 JL702 JL703 JL704 JL705 JL706 JL707 JL708 JL709 STBY5V Q701 DTA114EUA Q702 DTA114EUA Q706 DTA114EUA Q703 DTA114EUA Q704 DTA114EUA Q705 DTA114EUA R701 180 :CHIP R702 100 :CHIP D701 SMLU12D16W :RED/GREEN R POWER G R706 820 :CHIP R703 180 :CHIP R704 820 :CHIP D703 SMLU12D16W :RED/GREEN TIMER R G R705 270 :CHIP D705 SELU1E50CM :BLUE MUTE R1 (SIRCS,LED) B-SS11373-R1. R1 [SIRCS, LED] - R1 BOARD - R706 Q702 Q706 Q701 R702 R703 Q703 Q704 R704 R1 BOARD Terminal name of semiconductors in silk screen printed circuit (*) Ref. * Q701-Q706 1 D701, D703, D705 - *: Refer to Terminal name of semiconductors in silk screen printed circuit (see page 4-18) 1 2 3 4 5 6 A CN751 4P-L :TO P D751 TO P(2/4)BOARD R751 NSPW515BS CN3205 STBY5V JL751 100 :CHIP STBY5V 1 JL752 B LOGO 2 NC 3 JL753 Q751 DTA114EUA GND 4 JL754 D752 R752 NSPW515BS 100 :CHIP Q752 DTA114EUA R753 100 :CHIP D753 NSPW515BS C Q753 DTA114EUA R754 100 :CHIP D754 NSPW515BS Q754 DTA114EUA D R2 (LED) E B-SS11373-R2. F R2 [LED] - R2 BOARD - Q751 Q752 Q753 Q754 R2 BOARD Terminal name of semiconductors in silk screen printed circuit (*) Ref. * Q751-Q754 1 D751, D754 - *: Refer to Terminal name of semiconductors in silk screen printed circuit (see page 4-18) KE-50XBR900(UC) 4-32

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)

4-32

(6)

Schematic Diagrams of R1 and R2 Boards

STBY5V

CN3202

TO P(2/4)BOARD

(SIRCS,LED)

B-SS11373<AEP>-R1.

GND

SAVING

STBY

POWER

TIMER 1

TIMER 2

MUTE

POWER

TIMER

STBY5V

SIRCS

GND

OUT

VCC

GND

R710

R701

R703

C701

C702

JL701

JL702

JL703

JL704

JL705

JL706

JL707

JL708

IC701

R702

Q701

Q702

Q703

Q704

Q706

Q705

JL709

CN701

D705

R704

R705

R706

D701

D703

:CHIP

180

:CHIP

180

:CHIP

6.3V

:AL-CP

0.1

25V

F:CHIP

GP1UM27SRK

:SIRCS

100

:CHIP

DTA114EUA

10P-L

:TO P

SELU1E50CM

:BLUE

820

:CHIP

270

:CHIP

820

:CHIP

SMLU12D16W

:RED/GREEN

SMLU12D16W

:RED/GREEN

STBY5V

CN3205

TO P(2/4)BOARD

(LED)

B-SS11373<AEP>-R2.

LOGO

STBY5V

GND

JL751

JL752

JL753

JL754

Q751

R751

Q752

R752

Q753

R753

Q754

R754

CN751

D751

D752

D753

D754

DTA114EUA

100

:CHIP

DTA114EUA

100

:CHIP

DTA114EUA

100

:CHIP

DTA114EUA

100

:CHIP

4P-L

:TO P

NSPW515BS

[SIRCS, LED]

— R1 BOARD

—

R704

R703

R702

R701

R706

Q704

Q703

Q702

Q701

Q706

C702

[LED]

— R2 BOARD

—

R754

R753

R752

R751

Q751

Q752

Q753

Q754

: Refer to Terminal name of semiconductors

in silk screen printed circuit (see page 4-18)

Ref.

Q701-Q706

D701, D703, D705

R1 BOARD

Terminal name of semiconductors in

silk screen printed circuit (

)

: Refer to Terminal name of semiconductors

in silk screen printed circuit (see page 4-18)

Ref.

Q751-Q754

D751, D754

R2 BOARD

Terminal name of semiconductors in

silk screen printed circuit (

)