Table Of Contents - Sony KLV-L32MRX1 Service Manual

Section Title
Caution ................................................................
Specifications ......................................................
Connectors ..........................................................
Self Diagnosis .....................................................
1. GENERAL ...................................................................
2. DISASSEMBLY
2-1. Display Unit-1 (LDM-3210) ..............................
2-1-1. Stand Assy and Rear Panel Removal ..............
2-1-2. DES and K Boards Removal ...........................
2-1-3. G1 Board Removal ..........................................
2-1-4. R1 and R2 Boards Removal ............................
2-1-5. LCD Panel Removal ........................................
2-2. Display Unit-2 (LDM-4210) ..............................
2-2-1. Rear Cover Removal .......................................
2-2-2. K1 and K2 Boards Removal ...........................
2-2-3. DES Board Removal .......................................
2-2-4. G2 Board Removal ..........................................
2-2-5. R3 and R4 Boards Removal ............................
2-2-6. Display Panel Removal ...................................
2-3. Media Receiver Unit (MBT-MRX1) ..................
2-3-1. Top Cover Removal .........................................
2-3-2. U2 Board Removal ..........................................
2-3-3. Baseplate and HMP Board Removal ...............
2-3-4. H5, H6 and H7 Board Removal ......................
2-3-5. G Board Removal ............................................
2-3-6. A1 Board Removal ..........................................
2-3-7. Service Position ...............................................
2-3-8. Service Connector for DIC Board ...................
2-3-9. LVDS Service Cable .......................................
2-4. Cable Arrangements for Media Receiver
Unit (MBT-MRX1) ............................................
2-4-1. Front Panel Dressing .......................................
2-4-2. A1 Board Dressing ..........................................
2-4-3. A1 and G Board Dressing ...............................
2-4-4. LVDS and Copper Tape Dressing .................
3. ADJUSTMENTS
3-1. White Balance Adjustment .................................
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.

TABLE OF CONTENTS

Page Section
3 4. DIAGRAMS
4 4-1.
5 4-1-1. Display Unit (LDM-3210/4210) .....................
6 4-1-2. Media Receiver Unit (MBT-MRX1) ..............
4-2.
7 4-2-1. Display Unit (LDM-3210) ..............................
4-2-2. Display Unit (LDM-4210) ..............................
4-2-3. Media Receiver Unit (MBT-MRX1) ..............
21 4-3.
21
21 4-3-1. Display Unit (LDM-3210/4210) .....................
22 4-3-2. Media Receiver Unit (MBT-MRX1) ..............
22
23
24
24
24
25
25
26
26
27
27 4-4.
27
28 5. EXPLODED VIEWS
28 5-1.
29 5-1-1. Display Unit-1 .................................................
30 5-1-2. Display Unit-2 .................................................
31 5-2.
31 5-2-1. Display Unit-1 .................................................
31 5-2-2. Display Unit-2 .................................................
5-2-3. Display Unit-3 .................................................
32 5-3.
32
32 5-4.
32
32
5-5.
5-6.
5-7.
33 5-8.
6. ELECTRICAL PARTS LIST
6-1.
6-2.
COMPONENTS IDENTIFIED BY SHADING AND MARKED
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
- 2 -
Title
Block Diagrams ..................................................
Circuit Board Location ........................................
Schematic Diagrams and Printed Wiring
Boards .................................................................
A1 Board Schematic Diagram ............................
A1 Printed Wiring Board ..................................
G Board Schematic Diagram ..............................
G Printed Wiring Board ....................................
H5 Board Schematic Diagram ............................
H5 Printed Wiring Board ..................................
IF Board Schematic Diagram ..............................
IF Printed Wiring Board ...................................
U2 Schematic Diagram .......................................
U2 Printed Wiring Board ..................................
Semiconductors ..................................................
Display Unit (LDM-3210) ...............................
Display Unit (LDM-4210) ...............................
Packing Materials for Display
Unit (LDM-3210) .............................................
Packing Materials for Display
Unit (LDM-4210) .............................................
Media Receiver Unit-1 (MBT-MRX1) ..............
Media Receiver Unit-2 (MBT-MRX1) ..............
Media Receiver Unit-3 (MBT-MRX1) ............
Packing Materials for Media Receiver
Unit (MBT-MRX1) ............................................
Display Unit (LDM-3210/4010) ......................
Media Receiver Unit (MBT-MRX1) .................. 124
SAFETY-RELATED COMPONENT WARNING !!
MRX1
RM-Y1012
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ON