Sony KE-42MR1 (serv.man2) Service Manual ▷ View online
KE-42MR1(K) 5
TABLE OF CONTENTS
1. DISASSEMBLY ..................................... 1-1
1-1. Display Unit (PDM-4200) .................................... 1-1
1-1-1. Rear Cover Removal ........................................... 1-1
1-1-2. K and F Boards Removal .................................... 1-1
1-1-3. P Board Removal ................................................. 1-2
1-1-4. G and F2 Boards Removal .................................. 1-2
1-1-5. R1 Board Removal .............................................. 1-3
1-1-6. R2 Board Removal .............................................. 1-3
1-2. Media Receiver Unit (MBT-MR1) ....................... 1-4
1-2-1. Panel and Covers Removal ................................. 1-4
1-2-2. H1 Board Removal ............................................. 1-4
1-2-3. H4 Board Removal .............................................. 1-5
1-2-4. H3 Board Removal ............................................. 1-5
1-2-5. MS2 Board Removal ........................................... 1-6
1-2-6. H2 Board Removal ............................................. 1-6
1-2-7. A Board Removal ................................................ 1-7
1-2-8. B Block Assy Removal ...................................... 1-7
1-2-9. M, AD, and AU Boards Removal ....................... 1-8
1-2-10. A and AU Boards Removal ................................. 1-8
1-2-11. M Board Removal .............................................. 1-9
1-2-12. IF Boards Removal .............................................. 1-9
1-2-13. U1 Boards Removal ............................................ 1-10
1-2-14. U2 Boards Removal ............................................ 1-10
2. ADJUSTMENTS .................................... 2-1
2-1. VS, VD Voltage Adjustment (PDM-4200) ........... 2-1
2-2. White Balance Adjustment (PDM-4200) ............ 2-1
3. TROUBLESHOOTING ........................... 3-1
3-1. Display Unit (PDM-4200) .................................... 3-1
3-2. Media Receiver Unit (MBT-MR1) ....................... 3-1
4. DIAGRAMS ............................................ 4-1
4-1. Block Diagrams ................................................... 4-1
4-1-1. Display Unit (PDM-4200) ................................... 4-1
4-1-2. Media Receiver Unit (MBT-MR1) .................... 4-6
4-2. Frame Diagram ................................................... 4-15
4-3. Circuit Boards Location ...................................... 4-16
4-3-1. Display Unit(PDM-4200) .................................... 4-16
4-3-2. Media Receiver Unit (MBT-MR1) ..................... 4-16
4-4. Schematic Diagrams and
Printed Wiring Boards ......................................... 4-16
4-4-1. Display Unit(PDM-4200) .................................... 4-17
(1) Schematic Diagram of F Board ........................... 4-17
(2) Schematic Diagram of F2 Board ......................... 4-18
(3) Schematic Diagrams of G Board ......................... 4-19
(4) Schematic Diagram of K Board .......................... 4-23
(5) Schematic Diagrams of P Board ......................... 4-25
(6) Schematic Diagrams of R1 amd R2 Boards ........ 4-30
4-4-2.Media Receiver Unit (MBT-XBR900) .................. 4-31
(1) Schematic Diagrams of A Board ......................... 4-31
(2) Schematic Diagrams of AD Board ...................... 4-34
(3) Schematic Diagram of AU Board ....................... 4-39
(4) Schematic Diagrams of BM1C Board ................. 4-41
(5) Schematic Diagrams of DICA Board .................. 4-44
(6) Schematic Diagram of DP Board ........................ 4-50
(7) Schematic Diagram of H1 Board ........................ 4-52
(8) Schematic Diagram of H2 Board ........................ 4-54
(9) Schematic Diagrams of H3 and H4 Boards ........ 4-56
(10)Schematic Diagram of IFA Board ...................... 4-57
(11)Schematic Diagrams of M Board ........................ 4-59
(12)Schematic Diagram of MS2 Boards ................... 4-65
(13)Schematic Diagram of U1 Board ........................ 4-67
(14)Schematic Diagram of U2 Board ........................ 4-69
4-5. Semiconductors .................................................. 4-70
5. EXPLODED VIEWS ............................. 5-1
5-1. Display Unit (PDM-4200) ................................... 5-2
5-2. Media Receiver Unit-1 (MBT-MR1) ................... 5-3
5-3. Media Receiver Unit-2 (MBT-MR1) .................... 5-4
5-4. Packing Materials for Display Unit
(PDM-4200) ....................................................... 5-5
5-5. Packing Materials for Media Receiver Unit
(MBT-MR1) ........................................................ 5-6
6. ELECTRICAL PARTS LIST ................ 6-1
KE-42MR1(K) 1-1
1-1. PANEL UNIT (PDM-4200)
1-1-1. REAR COVER REMOVAL
SECTION 1
DISASSEMBLY
1-1-2. K AND F BOARDS REMOVAL
4
Rear cover assy
1
Eight screws
(+PSW 5X16)
2
Three screws
(+PSW 3X8)
3
Ten screws
(+BVTP 4X16)
3
Ten screws
(+BVTP 4X16)
3
Four screws
(+PSW 3X8)
1
Two screws
(+PSW 3X8)
2
F Board
4
K Board
KE-42MR1(K) 1-2
1-1-3. P BOARD REMOVAL
1-1-4. G AND F2 BOARDS REMOVAL
3
Four screws
(+PSW 3X8)
4
P Board
1
Two Connector screws
2
Two screws
(M2.6 S HEAD)
1
Three screws
(+BVTP 3X12)
2
F2 Board
3
Seven screws
(+BVTP 3X12)
4
G Board
KE-42MR1(K) 1-3
1-1-5. R1 BOARD REMOVAL
1-1-6. R2 BOARD REMOVAL
1
Two screws
(+BVTP 4X16)
2
Filter bracket (V) assy
3
Three screws
(+BVTP 3X10)
Earth plate
4
R1 Board
7
R2 Board
1
Four screws
(+BVTP 4X16)
1
Four screws
(+BVTP 4X16)
2
Four screws
(+PSW 5X16)
2
Four screws
(+PSW 5X16)
3
Panel assy
4
Two screws
(+BVTP 4X16)
5
Filter bracket (H) assy
6
Two screws
(+BVTP 3X10)
Earth plate
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