Sony KDL-32S20L1 / KDL-40S20L1 Service Manual ▷ View online
LCD DIGITAL COLOR TELEVISION
SERVICE MANUAL
WAX2
CHASSIS
MODEL NAME
REMOTE COMMANDER
DESTINATION
9-883-706-05
KDL-32S20L1
RM-YD005
US
KDL-40S20L1
RM-YD005
US
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ORIGINAL MANUAL ISSUE DATE: 5/2006
REVISION
DATE
SUBJECT
5/2006
No revisions or updates are applicable at this time.
9/2006
Updated entire manual to refl ect correct model name.
10/2006
Added correct part numbers for BU Boards. Replaced pages 54, 64, & 65.
Added Support Belt description to Lock Assy, Rudder. Replaced page 80.
1/2007
Added new Inverter Board PNs and LCD panel PNs for Serial Number range 4,200,001 to 4,299,999
and 8,200,001 to 8,299,999 (KDL-32S20L1 Only). Replaced page 56.
1/2008
Corrected PN of (Balancer Board) Inverter Board for SN 8,200,001 to 8,299,999
(KDL-32S20L1
Only).
Replaced
page
56.
LCD DIGITAL COLOR TELEVISION
SERVICE MANUAL
WAX2
CHASSIS
MODEL NAME
REMOTE COMMANDER
DESTINATION
9-883-706-05
KDL-32S20L1
RM-YD005
US
KDL-40S20L1
RM-YD005
US
Self Diagnosis
Supported model
KDL-32S20L1
RM-YD005
3
KDL-32S20L1/40S20L1
KDL-32S20L1/40S20L1
TABLE OF CONTENTS
SECTION TITLE
PAGE
SECTION TITLE
PAGE
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety-Related Component Warning .............................................. 7
Safety Check-Out ........................................................................... 9
Self-Diagnostic Function ............................................................... 10
SECTION 1: DISASSEMBLY ............................................................... 12
1-1.
Rear Cover Removal ............................................... 12
1-2.
Vesa Bracket Assembly Removal ............................ 12
1-3. H1U
Board
Removal
................................................ 13
1-4.
G1 Board (G2 Board) and H2U Board Removal ...... 13
1-5. AU
Board
Removal
.................................................. 14
1-6. QT
Board
Removal
.................................................. 14
1-7.
QS board and BU Board Removal ........................... 15
1-8.
H3U Board and Speaker Removal .......................... 15
1-9.
LCD Panel Removal ................................................ 16
SECTION 2: SERVICE ADJUSTMENTS ............................................. 17
2-1. Remote Adjustment Buttons and Indicators ......................... 17
2-2. Accessing Service Adjustments ........................................... 17
2-2-1. Accessing the Digital Service Adjustment Menus .... 17
2-2-2. Viewing the Digital Module Box (Q-Box)
Service Items ........................................................... 18
2-2-3. Accessing the Analog Service Adjustment Menus ... 18
2-3. Resetting the User Menu - Factory Reset ............................ 19
2-4. Aging Mode .......................................................................... 19
2-5. White Balance Adjustment. .................................................. 20
SECTION 3: DIAGRAMS ..................................................................... 21
3-1. Circuit Boards Location ........................................................ 21
3-2. Printed Wiring Boards and
Schematic Diagrams Information ......................................... 21
3-3. Block Diagram
...................................................................... 23
3-4. Schematics and Supporting Information .............................. 24
AU Board Schematic Diagram (1 of 2) ................................. 24
AU Board Schematic Diagram (2 of 2) ................................. 25
BU Board Schematic Diagram (1 of 8) ................................. 27
BU Board Schematic Diagram (2 of 8) ................................. 28
BU Board Schematic Diagram (3 of 8) ................................. 29
BU Board Schematic Diagram (4 of 8) ................................. 30
BU Board Schematic Diagram (5 of 8) ................................. 31
BU Board Schematic Diagram (6 of 8) ................................. 32
BU Board Schematic Diagram (7 of 8) ................................. 33
BU Board Schematic Diagram (8 of 8) ................................. 34
G1 Board, Power Unit (KDL-32S20L1Only) ......................... 36
G2 Board Schematic Diagram (KDL-40S20L1 Only) ........... 38
H1U Board Schematic Diagram ........................................... 40
H2U Board Schematic Diagram ........................................... 41
H3U Board Schematic Diagram ........................................... 43
QS Board Schematic Diagram (1 of 5) ................................. 44
QS Board Schematic Diagram (2 of 5) ............................... 45
QS Board Schematic Diagram (3 of 5) ................................. 46
QS Board Schematic Diagram (4 of 5) ................................. 47
QS Board Schematic Diagram (5 of 5) ................................. 48
QT Board Schematic Diagram ............................................. 50
3-5. Semiconductors ................................................................... 52
SECTION 4: EXPLODED VIEWS ........................................................ 53
4-1. Rear Cabinet and Stand Assembly ..................................... 53
4-2. Chassis ............................................................................... 54
4-3. Speakers .............................................................................. 55
4-4. LCD Panel
............................................................................ 56
SECTION 5: ELECTRICAL PARTS LIST ............................................ 57
APPENDIX A: ENCRYPTION KEY COMPONENTS ..........................A-1
4
KDL-32S20L1/40S20L1
KDL-32S20L1/40S20L1
SPECIFICATIONS
Design and specifi cations are subject to change without notice.
120V-240V AC, 50/60Hz
150W (KDL-32S20L1 Only)
200W (KDL-40S20L1 Only)
200W (KDL-40S20L1 Only)
Less than 0.1W
Video (IN) 1/2/3
S Video (4-Pin Mini DIN (VIDEO 1/2 Only)
Y: 1.0 Vp-p, 75 ohms unbalanced, sync negative
C: 0.286 Vp-p (Burst signal), 75 ohms
Video
1.0 Vp-p, 75ohms unbalanced, sync negative
Audio
500
500
mVrms
(100%
modulation)
Impedance:47
kilohms
HD/DVD IN 4
YP
YP
B
P
R
(Component Video)
Y:1.0 Vp-p, 75 ohms unbalanced, sync negative
P
B
:0.7 Vp-p, 75 ohms
P
R
:0.7 Vp-p, 75 ohms
Signal format: 480i, 480p, 720p, 1080i
AUDIO
500
500
mVrms
(100%
modulation)
Impedance:
47
kilohms
Power Requirements
Power Consumption (W)
In
Use
(Max)
In Standby
HDMI IN 6:
HDMI: Video:480i, 480p, 720p, 1080i
HDMI: Video:480i, 480p, 720p, 1080i
Audio: Two channel linear PCM 32, 44.1 and
48 kHz, 16, 20 and 24 bits
AUDIO:
500 mVrms (100% modulation)
Impedance:
47
kilohms
AUDIO OUT:
500 mVrms (100% modulation)
More than 1 Vrms at the maximum volume setting (Variable)
More than 500 mVrms (Fixed)
PC IN 7:
D-sub 15-pin, analog RGB, 0.7 Vp-p, 75 ohms, positive
PC AUDIO INPUT:
Stereo mini jack, 0.5 Vrms, 1 kilohm
Headphones:
Stereo
Stereo
mini
jack
Impedance:
16
ohms
Speaker:
Full range: 4.2 × 15 cm (1
11/16
× 6 inches) (2) (KDL-32S20L1)
Full range: 5.5 × 15 cm (2
1/4
× 6 inches) (2) (KDL-40S20L1)
Trademark Information
TruSurround XT, SRS and (
) symbol are trademarks of SRS Labs, Inc.
TruSurround XT technology is incorporated under license from SRS Labs,
Inc.
Inc.
Manufactured under license from BBE Sound, Inc.
Licensed by BBE Sound, Inc. under one or more of the following US
patents: 5510752, 5736897. BBE and BBE symbol are registered
trademarks of BBE Sound, Inc.
Licensed by BBE Sound, Inc. under one or more of the following US
patents: 5510752, 5736897. BBE and BBE symbol are registered
trademarks of BBE Sound, Inc.
Macintosh is a trademark licensed to Apple Computer, Inc., registered in
the U.S.A and other countries.
the U.S.A and other countries.
“BRAVIA” and
are trademarks of Sony Corporation.
As an ENERGY STAR
®
Partner, Sony Corporation has
determined that this product meets the ENERGY STAR
®
guidelines for energy efficiency.
ENERGY STAR
®
is a U.S. registered mark.
This TV incorporates High-Definition
Multimedia Interface (HDMI™) technology.
Multimedia Interface (HDMI™) technology.
HDMI, the HDMI logo and High-Definition Multimedia Interface are
trademarks or registered trademarks of HDMI Licensing, LLC.
trademarks or registered trademarks of HDMI Licensing, LLC.
Manufactured under license from Dolby
Laboratories. “Dolby” and the double-D symbol are
trademarks of Dolby Laboratories.
Laboratories. “Dolby” and the double-D symbol are
trademarks of Dolby Laboratories.