Sony KLV-23HR3 Service Manual ▷ View online
- 1 -
WA1
RM-Y1108
SERVICE MANUAL
WA1
CHASSIS
MODEL
COMMANDER
DEST
KLV-23HR3
RM-Y1108
AEP
RM-Y1108
FLAT PANEL COLOR TV
KLV-23HR3
- 2 -
WA1
RM-Y1108
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
Caution ................................................................
3
Specifications ......................................................
4
Connectors ..........................................................
5
Self Diagnosis .....................................................
6
1. GENERAL ...................................................................
7
2. DISASSEMBLY
2-1.
Rear Cabinet Assembly Removal .......................
18
2-2.
Rear Cover Removal ...........................................
18
2-3.
A Board Removal ...............................................
19
2-4.
G2 Board Removal .............................................
19
2-5.
H1 Board Removal .............................................
20
2-6.
H2 Board Removal .............................................
20
2-7.
H3 Board Removal .............................................
21
2-8.
H5 Board Removal .............................................
21
2-9.
LCD Bracket Removal ........................................
22
2-10. LCD Assembly Removal ....................................
22
3. SET-UP ADJUSTMENTS
3-1.
Signal Adjustment .............................................
23
3-1-1. Pal auto adjustment (CVBS) ...........................
23
3-1-2. Pal auto adjustment (RGB) ..............................
23
3-1-3. Secam auto adjustment (CVBS) ......................
23
3-2.
White Balance Adjustment .................................
23
3-2-1. White Balance adjustment (H/L) .....................
23
3-2-2. White Balance adjustment (C/O) .....................
24
3-2-3. Secam White Balance adjustment (C/O) ..........
24
3-3.
Test Test Mode ...................................................
24
4. DIAGRAMS
4-1.
Block Diagrams (1) ............................................
25
Block Diagrams (2) ............................................
26
4-2.
Circuit Board Location ........................................
26
4-3.
Schematic Diagrams and Printed Wiring
Boards .................................................................
26
A Board Schematic Diagram ..............................
27
A Board Printed Wiring Board .........................
30
G2 Board Schematic Diagram ............................
32
G2 Board Printed Wiring Board .......................
33
H1 Board Schematic Diagram ............................
35
H1 Board Printed Wiring Board .......................
36
H2 Board Schematic Diagram ............................
35
H2 Board Printed Wiring Board .......................
36
H3 Board Schematic Diagram ............................
37
H3 Board Printed Wiring Board .......................
36
H5 Board Schematic Diagram ............................
35
H5 Board Printed Wiring Board .......................
36
4-4.
Semiconductors ..................................................
38
5. EXPLODED VIEWS
5-1.
Front Cabinet Assy .............................................
39
5-2.
Rear Cover, Rear Cabinet Assy, Stand Assy and
Chassis ................................................................
40
6. ELECTRICAL PARTS LIST .................................. 41
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED
ON
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.
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.
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.
ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD
DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS
DIRECTLY CONNECTED TO THE POWER LINE.
- 3 -
WA1
RM-Y1108
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The circuit boards listed below [Table 1] used in these models
may have been processed using Lead Free Solder. The boards are
identified by the LF logo located close to the board designation
e.g. F1, H1 etc [ see examples ]. The servicing of these boards
requires special precautions to be taken as outlined below.
may have been processed using Lead Free Solder. The boards are
identified by the LF logo located close to the board designation
e.g. F1, H1 etc [ see examples ]. The servicing of these boards
requires special precautions to be taken as outlined below.
Table 1
CAUTION
Lead Free Soldered Boards
example 1
example 2
It is strongly recommended to use Lead Free Solder material in order to guarantee optimal quality of new solder joints. Lead Free Solder is
available under the following part numbers :
available under the following part numbers :
Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade. This
requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.
requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.
For more information on the use of Lead Free Solder, please refer to http://www.sony-training.com
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- 4 -
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How to replace the fuse.
Open the fuse compartment with
a screwdriver blade and replace
the fuse.
Open the fuse compartment with
a screwdriver blade and replace
the fuse.
FUSE
WARNING (UK Models only)
The flexible mains lead is supplied connected to a B.S. 1363 fused
plug having a fuse of 5 AMP rating. Should the fuse need to be
replaced, use a 5AMP FUSE approved by ASTA to BS 1362, ie one
that carries the
plug having a fuse of 5 AMP rating. Should the fuse need to be
replaced, use a 5AMP FUSE approved by ASTA to BS 1362, ie one
that carries the
ASA
T
mark.
IF THE PLUG SUPPLIED WITH THIS APPLIANCE IS NOT SUIT-
ABLE FOR THE OUTLET SOCKETS IN YOUR HOME, IT SHOULD
BE CUT OFF AND AN APPROPRIATE PLUG FITTED. THE PLUG
SEVERED FROM THE MAINS LEAD MUST BE DESTROYED AS A
PLUG WITH BARED WIRES IS DANGEROUS IF ENGAGED IN A
LIVE SOCKET.
ABLE FOR THE OUTLET SOCKETS IN YOUR HOME, IT SHOULD
BE CUT OFF AND AN APPROPRIATE PLUG FITTED. THE PLUG
SEVERED FROM THE MAINS LEAD MUST BE DESTROYED AS A
PLUG WITH BARED WIRES IS DANGEROUS IF ENGAGED IN A
LIVE SOCKET.
When an alternative type of plug is used, it should be fitted with a
5 AMP FUSE, otherwise the circuit should be protected by a 5AMP
FUSE at the distribution board.
5 AMP FUSE, otherwise the circuit should be protected by a 5AMP
FUSE at the distribution board.
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