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Sony KE-50XBR900 Service Manual - Page 2

KE-50XBR900 - manual

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SERVICE MANUAL KE-50XBR900 US Model Canadian Model Panel System Display resolution Antenna Television System Channel Coverage Power Requirements Inputs/Outputs DVI-HDTV Video (IN) S Video (IN) Audio (IN) Component Video Input CONTROL S (OUT) Variable/Fixed Audio (OUT) Monitor/Fixed Audio (OUT) SPECIFICATIONS Plasma Display panel Display resolution: 1365 pixels (horizontal) × 768 pixels (vertical) 75 ohm external terminal for VHF/UHF NTSC, American TV Standard VHF 2-13 UHF 14-69 CATV 1-125 120V, 60 Hz 1 terminal, 3.3V T.M.D.S., 50 ohms The DVI-HDTV input terminal is compliant with the EIA-861 standard and is not intended for use with personal computers. 3 total (1 on front panel) 1 Vp-p, 75 ohms unbalanced, sync negative 3 total (1 on front panel) Y: 1 Vp-p, 75 ohms unbalanced, sync negative C: 0.286 Vp-p (Burst signal), 75 ohms 6 total (1 on front panel) 500 mVrms (100% modulation) Impedance: 47 kilohm 2 (Y, PB, PR) Y: 1.0 Vp-p, 75 ohms unbalanced, sync negative; PB: 0.7 Vp-p, 75 ohms PR: 0.7 Vp-p, 75 ohms 1 1 More than 408 m Vrms at the maximum volume setting (Variable) More than 408 mVrms (Fixed) Impedance (output): 2 kilohms ×1 FLAT PANEL COLOR TV

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