Read Sony KE-MR50A2 Service Manual online
KE-MR50A2 (HK/ME) 5
TABLE OF CONTENTS
SAFETY CHECK-OUT .......................................
3
SELF DIAGNOSIS FUNCTION ..........................
4
1. DISASSEMBLY ............................................ 1-1
1-1.
DISPLAY UNIT (PDM-5010) ........................... 1-1
1-1-1. REAR COVER REMOVAL ......................... 1-1
1-1-2. G BOARD REMOVAL ................................. 1-2
1-1-3. F AND K BOARDS REMOVAL .................. 1-2
1-1-4. DEM BOARD REMOVAL ........................... 1-3
1-1-5. PLASMA DISPLAY ASSY REMOVAL ..... 1-4
1-1-6. R1 BOARD REMOVAL ............................... 1-5
1-1-7. R2 BOARD REMOVAL ............................... 1-5
1-2.
MEDIA RECEIVER UNIT (MBT-MR2) ......... 1-6
1-2-1. PANEL AND COVERS REMOVAL ........... 1-6
1-2-2. SPM BOARD REMOVAL ............................ 1-7
1-2-3. H1, H2 AND H3 BOARDS REMOVAL ...... 1-7
1-2-4. HM BOARD REMOVAL ............................. 1-8
1-2-5. J1 AMD J2 BOARDS REMOVAL ............... 1-8
1-2-6. BD, M AND MS2 BOARDS
REMOVAL .................................................... 1-9
1-2-7. A BOARD REMOVAL ................................. 1-10
1-2-8. G BOARD REMOVAL ................................. 1-10
2. ADJUSTMENT .............................................. 2-1
2-1. SERVICE MODE ............................................... 2-1
2-1-1. METHOD OF SETTING THE
SERVICE MODE. ......................................... 2-1
2-1-2. ADJUSTMENT ITEMS AND
KEY OPERATION. ....................................... 2-1
2-1-3. METHOD OF ENDING
SERVICE MODE .......................................... 2-1
2-1-4. SERVICE MODE LIST ................................. 2-2
3. DIAGRAMS ................................................... 3-1
3-1.
BLOCK DIAGRAMS ........................................ 3-1
3-1-1. DISPLAY UNIT (PDM-5010) ...................... 3-1
(1)
DEM, R1 and R2 Boards ............................... 3-1
(2)
K Board .......................................................... 3-2
(3)
G Board .......................................................... 3-3
3-1-2. MEDIA RECEIVER UNIT (MBT-MR2) ..... 3-4
(1)
A (1/2) and H1 (1/2) Boards .......................... 3-4
(2)
A (2/2), h1 (2/2), H2, H3 and
SPM Boards ................................................... 3-5
(3)
J1 Board ......................................................... 3-6
(4)
HM and MS2 Boards ..................................... 3-7
(5)
BD Board ....................................................... 3-8
(6)
J2 and M (1/2) Boards ................................... 3-9
(7)
M (2/2) Board ................................................. 3-10
(8)
G Board .......................................................... 3-11
3-2.
FRAME DIAGRAM .......................................... 3-12
3-3.
CIRCUIT BOARDS LOCATION ..................... 3-13
3-3-1. DISPLAY UNIT (PDM-5010) ...................... 3-13
3-3-2. MEDIA RECEIVER UNIT (MBT-MR2) ..... 3-13
3-4.
SCHEMATIC DIAGRAMS AND PRINTED
WIRING BOARDS ............................................ 3-13
3-4-1. DISPLAY UNIT (PDM-5010) ...................... 3-14
(1)
Schematic Diagrams of DEM Board ............. 3-14
(2)
Schematic Diagram of F Board ..................... 3-22
(3)
Schematic Diagram of G Board .................... 3-23
(4)
Schematic Diagram of K Board .................... 3-25
(5)
Schematic Diagrams of R1 and R2 Boards ... 3-27
3-4-2. MEDIA RECEIVER UNIT (MBT-MR2) ...... 3-28
(1)
Schematic Diagrams of A Board ................... 3-28
(2)
Schematic Diagrams of BD Board ................ 3-35
(3)
Schematic Diagram of G Board .................... 3-41
(4)
Schematic Diagram of H1 Board .................. 3-43
(5)
Schematic Diagrams of H2 and H3 Boards .. 3-44
(6)
Schematic Diagram of HM Board ................. 3-45
(7)
Schematic Diagram of J1 Board .................... 3-46
(8)
Schematic Diagram of J2 and SPM Boards .. 3-48
(9)
Schematic Diagram of M Board .................... 3-49
(10) Schematic Diagrams of MS2 Board .............. 3-53
3-5.
SEMICONDUCTORS ....................................... 3-58
4. EXPLODED VIEWS ...................................... 4-1
4-1.
DISPLAY UNIT-1 (PDM-5010) ....................... 4-2
4-1-1. DISPLAY UNIT-1 ......................................... 4-2
4-1-2. DISPLAY UNIT-2 ......................................... 4-3
4-1-3. DISPLAY UNIT-3 ......................................... 4-4
4-1-4. DISPLAY UNIT-4 ......................................... 4-5
4-2.
MEDIA RECEIVER UNIT (MBT-MR2) ......... 4-6
4-2-1. MEDIA RECEIVER UNIT-1 ........................ 4-6
4-2-2. MEDIA RECEIVER UNIT-2 ........................ 4-7
4-2-3. MEDIA RECEIVER UNIT-3 ........................ 4-8
4-2-4. MEDIA RECEIVER UNIT-4 ........................ 4-9
4-3.
PACKING MATERIALS FOR DISPLAY UNIT
(PDM-5010) (HK MODEL) ............................. 4-10
4-4.
PACKING MATERIALS FOR DISPLAY UNIT
(PDM-5010) (ME MODEL) ............................. 4-11
4-5.
PACKING MATERIALS FOR MEDIA
RECEIVER UNIT (MBT-MR2) ........................ 4-12
5. ELECTRICAL PARTS LIST ........................ 5-1
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