Read Sony KF-50E201A Service Manual online
LCD PROJECTION TELEVISION
SERVICE MANUAL
LA-4
CHASSIS
MODEL NAME
REMOTE COMMANDER
DESTINATION
9-883-724-01
KF-50E201A
RM-YD010 CHILE
Self Diagnosis
Supported model
KF-50E201A
RM-YD010
KF-50E201A
KF-50E201A
3
TABLE OF CONTENTS
SECTION TITLE
PAGE
SECTION TITLE
PAGE
Specifi cations ................................................................................. 4
Warnings and Cautions .................................................................. 5
Safety Check-Out ........................................................................... 6
Self-Diagnostic Function ................................................................. 7
SECTION 1: DISASSEMBLY ............................................................... 12
1-1. Overview .............................................................................. 12
1-2. Rear Cover Removal ............................................................ 13
1-3. Chassis Removal and Service Position ............................... 14
1-4. G2 Board Removal
............................................................... 14
1-5. B2 Block Assembly, A Block Assembly, Antenna,
U Board and K Board Removal ............................................ 15
1-6. Lamp Block Assembly and Optical Block Removal .............. 16
1-6-1. Lamp Connector and T2 Board Removal ................ 17
1-6-2. Lamp
Driver
Fan
Removal
....................................... 18
1-7. HC Board Removal .............................................................. 19
1-8. HA Board and HB Board Removal ....................................... 19
1-9. Screen Frame Assebmly and Speaker Removal ................ 20
1-10. Mirror Assembly and Mirror Cover Assembly Removal ........ 21
SECTION 2: CIRCUIT ADJUSTMENTS .............................................. 22
2-1. Using the Remote Commander for Electrical Adjustments .. 22
2-2. Accessing Service Adjustment Mode ................................... 22
2-3. Using the Remote Commander to Change Service Data .... 22
2-3-1. Exiting
Service
Mode
............................................... 23
2-4. Verifying Service Data Changes .......................................... 23
2-5. H/V Center Confi rmation and Adjustments .......................... 23
2-6. IRIS Adjustments
.................................................................. 24
SECTION 3: DIAGRAMS ..................................................................... 25
3-1. Circuit Boards Location ........................................................ 25
3-2. Printed Wiring Boards and
Schematic Diagrams Information ......................................... 25
3-3. Signal Flow Block Diagram .................................................. 27
3-4. Schematics and Supporting Information .............................. 28
A Board Schematic Diagram ................................................ 28
B2 Board Schematic Diagram (1 of 7) ................................. 30
B2 Board Schematic Diagram (2 of 7) ................................. 31
B2 Board Schematic Diagram (3 of 7) ................................. 32
B2 Board Schematic Diagram (4 of 7) ................................. 33
B2 Board Schematic Diagram (5 of 7) ................................. 34
B2 Board Schematic Diagram (6 of 7) ................................. 35
B2 Board Schematic Diagram (7 of 7) ................................. 36
G2 Board Schematic Diagram (1 of 2) ................................. 38
G2 Board Schematic Diagram (2 of 2) ................................. 39
HA Board Schematic Diagram ............................................. 42
HB Board Schematic Diagram ............................................. 44
HC Board Schematic Diagram ............................................. 46
K Board Schematic Diagram ................................................ 48
S2 Board Schematic Diagram .............................................. 51
T1 Board Schematic Diagram .............................................. 54
T2 Board Schematic Diagram .............................................. 54
U Board Schematic Diagram ................................................ 59
3-5. Semiconductors ................................................................... 61
SECTION 4: EXPLODED VIEWS ........................................................ 62
4-1. Covers
.................................................................................. 62
4-2. Chassis ................................................................................ 63
4-3. Optics Unit Block Assembly and Lamp Assembly ................ 64
SECTION 5: ELECTRICAL PARTS LIST ............................................ 65
APPENDIX A: ENCRYPTION KEY COMPONENTS ..........................A-1
APPENDIX B: REPLACING THE LAMP ............................................B-1
KF-50E201A
KF-50E201A
4
SPECIFICATIONS
Design and specifi cations are subject to change without notice.
120V AC, 60Hz
200W
Less than 0.8W
HDMI IN
2 Video - 1080i, 720p, 480p, 480i, PC
1 Audio - Two channel linear PCM 32, 44.1 and 48 kHz,
16, 20, and 24 bit
Video (IN)
3 total (1 on side panel)
1Vp-p, 75ohms unbalanced, sync negative
S Video (IN)
1 total
Y: 1Vp-p, 75ohms unbalanced, sync negative
C: 0.286Vp-p (Burst signal), 75ohms
Audio (IN)
5 total (1 on side panel)
500 mVrms (100% modulation)
Impedance:47 kilo ohms
Less than 0.8W
HDMI IN
2 Video - 1080i, 720p, 480p, 480i, PC
1 Audio - Two channel linear PCM 32, 44.1 and 48 kHz,
16, 20, and 24 bit
Video (IN)
3 total (1 on side panel)
1Vp-p, 75ohms unbalanced, sync negative
S Video (IN)
1 total
Y: 1Vp-p, 75ohms unbalanced, sync negative
C: 0.286Vp-p (Burst signal), 75ohms
Audio (IN)
5 total (1 on side panel)
500 mVrms (100% modulation)
Impedance:47 kilo ohms
Power Requirements
Power Consumption (W)
In Use (Max)
In
Standby
Inputs/Outputs
Component Video Input
3 (Y, P
3 (Y, P
B
/C
B
) (1 on Side Panel)
Y: 1.0 Vp-p, 75 ohms unbalanced, sync negative
P
P
B
:
0.7 Vp-p, 75 ohms;
P
R
: 0.7 Vp-p, 75 ohms
Audio (VAR/FIX) Out
1 total
500 mVrms at the maximum volume setting
(Variable)
500 mVrms (Fixed)
Impedance (Output):2 kilo ohm
RF Input
1 total
1 total
500 mVrms at the maximum volume setting
(Variable)
500 mVrms (Fixed)
Impedance (Output):2 kilo ohm
RF Input
1 total
!
"#
Trademark Information
As an ENERGY STAR
®
Partner, Sony
Corporation has determined that this product
meets the ENERGY STAR
meets the ENERGY STAR
®
guidelines for
energy efficiency.
ENERGY STAR
ENERGY STAR
®
is a U.S. registered mark.
TruSurround XT, SRS and the ( )
®
symbol are
trademarks of SRS Labs, Inc. TruSurround XT
technology is incorporated under license from SRS Labs, Inc.
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.
Inc. and are licensed by BBE Sound, Inc. under U.S.
Patent No. 4,638,258 and 4,482,866.
This TV incorporates High-
Definition Multimedia Interface
Definition Multimedia Interface
(HDMI
™
) technology. HDMI, the HDMI logo and High-
Definition Multimedia Interface are trademarks or
registered trademarks of HDMI Licensing LLC.
registered trademarks of HDMI Licensing LLC.
Macintosh is a trademark licensed to Apple Computer, Inc.,
registered in the U.S.A and other countries.
registered in the U.S.A and other countries.
WEGA, Grand WEGA, WEGA GATE, Steady Sound,
Digital Reality Creation and CineMotion
are registered trademarks of Sony Corporation.
Digital Reality Creation and CineMotion
are registered trademarks of Sony Corporation.
Television system
American TV standard, NTSC
Channel coverage
Terrestrial 2-69/ Cable TV: 2-125 (analog)
Screen Size (measured diagonally)
50 inches
Antenna
75-ohm external antenna terminal for VHF/UHF
Projection System
3 LCD Panels, 1 lens projection system
LCD Panel
0.73 inch TFT LCD panel
(1,280 x 720 pixels)
(1,280 x 720 pixels)
Projection Lens
High Performance, large diameter hybrid lens F2.4
Lamp
100W, XL-2400 Ultra High Pressure Lamp
Supplied Accessories
Remote Commander RM-YD010
Two Size AA (R6) Batteries
Operating Instructions
Quick Setup Guide
Warranty Card
Product Registration Card
Two Size AA (R6) Batteries
Operating Instructions
Quick Setup Guide
Warranty Card
Product Registration Card
Optional Accessories
HDMI Cable
HDMI-to-DVI Cable
Component Video Cable
S VIDEO Cable
A/V Cable
Audio Cable
TV Stand:
SU-RG12S
HDMI-to-DVI Cable
Component Video Cable
S VIDEO Cable
A/V Cable
Audio Cable
TV Stand:
SU-RG12S
KF-50E201A
KF-50E201A
5
WARNINGS AND CAUTIONS
CAUTION
These servicing instructions are for use by qualifi ed service personnel only. To reduce the risk of electric shock, do not perform any
servicing other than that contained in the operating instructions unless you are qualifi ed to do so.
servicing other than that contained in the operating instructions unless you are qualifi ed to do so.
WARNING!!
An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis. The chassis of
this receiver is directly connected to the AC power line.
this receiver is directly connected to the AC power line.
!
SAFETY-RELATED COMPONENT WARNING!!
Components identifi ed by shading and ! mark 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. Circuit adjustments that are critical for safe operation are identifi ed in this manual. Follow these procedures
whenever critical components are replaced or improper operation is suspected.
operation. Replace these components with Sony parts whose part numbers appear as shown in this manual or in supplements
published by Sony. Circuit adjustments that are critical for safe operation are identifi ed in this manual. Follow these procedures
whenever critical components are replaced or improper operation is suspected.
ATTENTION!!
Ces instructions de service sont à l’usage du personnel de service qualifi é seulement. Pour prévenir le risque de choc électrique, ne
pas faire l’entretien autre que celui contenu dans le Mode d’emploi à moins que vous soyez qualifi é faire ainsi.
pas faire l’entretien autre que celui contenu dans le Mode d’emploi à moins que vous soyez qualifi é faire ainsi.
Afi n d’eviter tout risque d’electrocution provenant d’un chássis sous tension, un transformateur d’isolement doit etre utilisé lors de tout
dépannage. Le chássis de ce récepteur est directement raccordé à l’alimentation du secteur.
dépannage. Le chássis de ce récepteur est directement raccordé à l’alimentation du secteur.
!
ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!
Les composants identifi es par une trame et par une marque ! sur les schemas de principe, les vues explosees et les listes de pieces
sont d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des composants Sony dont le numero
de piece est indique dans le present manuel ou dans des supplements publies par Sony. Les reglages de circuit dont l’importance
est critique pour la securite du fonctionnement sont identifi es dans le present manuel. Suivre ces procedures lors de chaque
remplacement de composants critiques, ou lorsqu’un mauvais fonctionnement suspecte.
sont d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des composants Sony dont le numero
de piece est indique dans le present manuel ou dans des supplements publies par Sony. Les reglages de circuit dont l’importance
est critique pour la securite du fonctionnement sont identifi es dans le present manuel. Suivre ces procedures lors de chaque
remplacement de composants critiques, ou lorsqu’un mauvais fonctionnement suspecte.
