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LCD PROJECTION TELEVISION
SERVICE MANUAL
LA-3 CHASSIS
MODEL NAME
REMOTE COMMANDER
DESTINATION
9-965-972-05
KDF-55WF655
RM-Y915
US/CND
KDF-60WF655
RM-Y915
US/CND
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ORIGINAL MANUAL ISSUE DATE: 9/2004
:UPDATED ITEM
REVISION DATE
SUBJECT
9/2004
No revisions or updates are applicable at this time.
10/2004
Updated Block Diagram (Replaced Page 35 with Page 35)
Corrected PN for Cabinet Assembly Bottom, Added missing parts to Exploded View section
(Replaced Page 73 with Page 73, Replaced Page 74 with Page 74)
Added PN for Lamp and Washer (Replaced Page 122 with Page 122)
1/2005
Corrected Section 2-1. Setting the Service Adjustment Mode and
2-2. Service Adjustment Mode Memory (Replaced Page 27 with Page 27)
Corrected Section 2-4. Remote Adjustment Buttons and Indicators (Replaced Page 28 with Page 28)
Updated contact information for Service Data requests (Replaced Page 30 with Page 30)
Updated contact information for Tiled Schematic requests (Replaced Last Page with Last Page)
1/2005
Added Caution statement (Replaced Page 6 with Page 6)
8/2005
Corrected location of LVDS Cables (Replaced Page 75 with Page 75)


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LCD PROJECTION TELEVISION
SERVICE MANUAL
LA-3 CHASSIS
MODEL NAME
REMOTE COMMANDER
DESTINATION
9-965-972-05
KDF-55WF655
RM-Y915
US/CND
KDF-60WF655
RM-Y915
US/CND
Self Diagnosis
Supported model
KDF-55WF655
RM-Y915


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KDF-55WF655/60WF655
KDF-55WF655/60WF655
TABLE OF CONTENTS
Specifications ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety Check-Out ........................................................................... 7
Self-Diagnostic Function................................................................. 8
SECTION 1: DISASSEMBLY............................................................... 13
1-1. Rear Cover Removal............................................................ 13
1-2. Center Pillar Removal .......................................................... 13
1-3. Chassis Assembly and fan Removal ................................... 14
1-4. Service Position ................................................................... 14
1-5. Power Supply Block Removal (Lamp Drive Unit)................. 15
1-6. RF Antenna Switch and P Board Removal .......................... 15
1-7. U Board, H4 Board, and Fan Removal ................................ 16
1-8. F Board and G1 Board Board Removal ............................... 16
1-9. A Board and KD Board Removal.......................................... 17
1-10.Q Box Assembly and B Board Removal............................... 17
1-11. G2 Board Removal............................................................... 18
1-12.Woofer Removal .................................................................. 18
1-13.Optics Unit Block Assembly and D.C. Fan Removal............ 19
1-14.T Board Removal ................................................................. 19
1-15.Front Cover Assembly Removal........................................... 20
1-15-1. Replacing the Lamp................................................. 20
1-16.HM Board and H2 Board Removal....................................... 20
1-17.H1 Board Removal............................................................... 21
1-18.Screen Mirror Block Assembly Removal .............................. 21
1-19.Mirror Cover Assembly, H3 Board, and Speaker Removal .. 22
1-19-1. Diffusion plates (Screens) Tape Method.................. 22
Wire Dressing ............................................................................... 23
SECTION 2: CIRCUIT ADJUSTMENTS.............................................. 27
2-1. Setting the Service Adjustment Mode .................................. 27
2-2. Service Adjustment Mode Memory ...................................... 27
2-3. Memory Write Confirmation Method .................................... 28
2-4. Remote Adjustment Buttons and Indicators ......................... 28
2-5. H/V Center Confirmation and Adjustments .......................... 29
2-6. Service Data......................................................................... 30
2-7. ID Map Table ........................................................................ 32
SECTION 3: DIAGRAMS..................................................................... 33
3-1. Circuit Boards Location ........................................................ 33
3-2. Printed Wiring Boards and
Schematic Diagrams Information ......................................... 33
3-3. Block Diagram...................................................................... 35
3-4. Schematics and Supporting Information .............................. 36
A Board Schematic Diagram (1 of 3).................................... 36
A Board Schematic Diagram (2 of 3).................................... 37
A Board Schematic Diagram (3 of 3).................................... 38
B Board Schematic Diagram (1 of 6) ................................... 41
B Board Schematic Diagram (2 of 6) ................................... 42
B Board Schematic Diagram (3 of 6) ................................... 43
B Board Schematic Diagram (4 of 6) ................................... 44
B Board Schematic Diagram (5 of 6) ................................... 45
B Board Schematic Diagram (6 of 6) ................................... 46
G2 Board Schematic Diagram (1 of 2) ................................. 49
G2 Board Schematic Diagram (2 of 2) ................................. 50
P Board Schematic Diagram ............................................... 53
KD Board Schematic Diagram ............................................. 54
G1 Board Schematic Diagram (1 of 2) ................................. 56
G1 Board Schematic Diagram (2 of 2) ................................. 57
F Board Schematic Diagram ................................................ 60
HM Board Schematic Diagram............................................. 62
H1 Board Schematic Diagram.............................................. 64
H2 Board Schematic Diagram.............................................. 66
H3 Board Schematic Diagram.............................................. 68
H4 Board Schematic Diagram.............................................. 69
T Board Schematic Diagram ................................................ 69
U Board Schematic Diagram................................................ 70
3-5. Semiconductors ................................................................... 72
SECTION 4: EXPLODED VIEWS ........................................................ 73
4-1. Cover.................................................................................... 73
4-2. Bottom Cabinet .................................................................... 74
4-3. Chassis ................................................................................ 75
SECTION 5: ELECTRICAL PARTS LIST........................................... 76
SECTION TITLE
PAGE
SECTION TITLE
PAGE


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KDF-55WF655/60WF655
KDF-55WF655/60WF655
SPECIFICATIONS
Design and specifications are subject to change without notice.
120V AC, 60Hz
230W
Under 20W
HDMI IN
Video - 1080i, 720p, 480p, 480i
Audio - Two channel linear PCM 32, 44.1 and 48 kHz,
16, 20, and 24 bit
Video (IN)
4 total (1 on front panel)
1Vp-p, 75ohms unbalanced, sync negative
S Video (IN)
4 total (1 on front panel)
Y: 1Vp-p, 75ohms unbalanced, sync negative
C: 0.286Vp-p (Burst signal), 75ohms
Audio (IN)
7 total (1 on front panel)
500 mVrms (100% modulation)
Impedance:47 kilo ohms
Audio (VAR/FIX) Out
1 total
500 mVrms at the maximum volume setting (Variable)
500 mVrms (Fixed)
Impedance (Output):2 kilo ohm
Note: Audio Out jacks are operable only when
the TV's speaker is set to Off.
Power Requirements
Power Consumption (W)
In Use (Max)
In Standby
Inputs/Outputs
Control S (IN)
1 total
Minijack
Control S (OUT)
1 total
Minijack
Component Video Input
2 (Y, P
B, PR)
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
RF Inputs
2 total
Digital Audio Optical Output (PCM/Dolby Digital)
1 total
Optical Rectangular (1)
CableCARD Slot
1 total
PCMCIA Type I/II
CableCARD
TM is a trademark of Cable Television
Laboratories, Inc.
TruSurround, SRS and the ( )® symbol are trademarks
of SRS Labs, Inc.
TruSurround technology is incorporated under license
from SRS Labs, Inc.
BBE and BBE Symbol are trademarks of BBE Sound,
Inc. and are licensed by BBE Sound, Inc. under U.S.
Patent No. 4,638,258 and 4,482,866.
Manufactured under license from
Dolby Laboratories Licensing
Corporation. Dolby and the double-D
symbol are trademarks of Dolby
Laboratories Licensing Corporation.
This TV incorporates High-Definition
Multimedia Interface (HDMI
TM)
technology. HDMI, the HDMI logo
and High-Definition Multimedia
Interface are trademarks or registered
trademarks of HDMI Licensing LLC.
WEGA, Steady Sound, Digital Reality Creation,
CineMotion, Memory Stick, Memory Stick Duo,
Memory Stick PRO, Memory Stick PRO Duo,
MagicGate, MID and Twin View are trademarks of Sony
Corporation.
KDF-55WF655
KDF-60WF655
Speaker Output (W)
Woofer
Dimensions (W x H x D)
mm
1,456 x 943 x 491 mm
1,574 x 1,005 x 518 mm
in
57
1/3 x 37 1/8 x 19 1/3 in
62 x 39
1/2 x 20 1/3 in
Mass
kg
46 kg
50.5 kg
lbs
101 lbs 7 oz
111 lbs 5 oz
5W x 2
20W


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KDF-55WF655/60WF655
KDF-55WF655/60WF655
Television system
American TV standard, NTSC
ATSC compliant 8VSB, ATSC (8VSB terrestrial)
ANSI/SCTE 07 2000 QAM on cable
Channel coverage
Terrestrial 2-69/ Cable TV: 1-125 (analog)
Terrestrial: 2-69/ Cable TV: 1-135 (digital)
Screen Size (measured diagonally)
55 inches (KDF-55WF655 Only)
60 inches (KDF-60WF655 Only)
Antenna
75-ohm external antenna terminal for VHF/UHF
Projection System
3 LCD Panels, 1 lens projection system
LCD Panel
0.87 inch TFT LCD panel Approx. 3.28 million dots
(1,042,168 pixels)
Projection Lens
High Performance, large diameter hybrid lens F2.4
Lamp
UHP lamp, 100W XL-2100 or XL2100U
Supplied Accessories
Remote Commander RM-Y915
Two Size AA (R6) Batteries