KDL-32S3100, KDL-37S3100 - Sony TV Service Manual (repair manual). Page 3

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KDL-32/37S3100
RM-ED009
TABLE OF CONTENTS
Safety Check Out/Leakage Test ............................................ 3
Caution Handling ...................................................................... 4
Lead free information ............................................................... 4
Self Diagnostic Function ........................................................ 5
1. DISASSEMBLY
1-1.
Rear Cover Removal .................................................... 7
1-2.
Vesa Bracket Assembly Removal ................................ 8
1-3.
H1 Board Removal .................................................... 10
1-4.
U1 Board Removal .................................................... 11
1-5.
G1V and D5 Boards Removal (KLV-32S3100) ........ 12
1-6.
G5 Board Removal (KLV-37S3100) ......................... 13
1-7.
DTT Shield, UT and BG2 Boards Removal ............. 14
1-8.
Inlet, AC (with noise filter) Cover,
under (M) and LCD Bracket Bottom Removal ......... 15
1-9.
Speaker, H3S and H4S Boards Removal .................. 17
1-10. LCD Panel Removal .................................................. 18
2. WIRE DRESSING
2-1.
(KLV-32S3100) ........................................................ 20
2-2.
(KLV-37S3100) ........................................................ 25
3. SERVICE ADJUSTMENTS
3-1.
How to enter Service Mode ....................................... 31
3-2.
Signal Level Adjustment ........................................... 31
3-3.
Gamma Adjustment ................................................... 33
3-4.
White Balance Adjustment ........................................ 34
3-5.
Panel Replacement ..................................................... 35
3-6.
Board Replacement .................................................... 35
Section
Title
Page
Section
Title
Page
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK 
! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
4. DIAGRAMS
4-1.
Block Diagrams ......................................................... 36
4-2.
Circuit Boards Location ............................................ 38
4-3.
Schematic Diagrams Information .............................. 38
4-3-1. BG2, G1V & G5 Boards
Schematic Diagram ......................................... 39
4-3-2. D5 Board Schematic Diagram ........................ 40
4-3-3. H1 Board Schematic Diagram ........................ 42
4-3-4. H3S Board Schematic Diagram ...................... 43
4-3-5. H4S Board Schematic Diagram ...................... 45
4-3-6. U1 Board Schematic Diagram ........................ 46
4-3-7. UT Board Schematic Diagram ....................... 48
4-4.
Voltage Measurement and Waveforms ...................... 50
4-5.
Printed Wiring Boards ............................................... 52
4-6.
Semiconductors .......................................................... 55
5. EXPLODED VIEWS ............................................................ 56
5-1.
Rear Cabinet and Stand Assy .................................... 56
5-2.
Frame and Cover ........................................................ 57
5-3.
Chassis-1 .................................................................... 59
5-4.
Chassis-2 .................................................................... 61
5-5.
H3S, H4S Boards and Speaker .................................. 63
5-6.
Bezel Assy and LCD Panel ........................................ 64
6. ELECTRICAL PARTS LIST .............................................. 66
OPERATING INSTRUCTIONS
Page of 66
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