Sony KP-46WT510 - 46" 16:9 Hi-scan Projection... User manual

COLOR REAR VIDEO PROJECTION
SERVICE MANUAL RA-6A CHASSIS
MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO.
9-965-946-07
KP-46WT510 RM-Y909 US/CND SCC-M10DA
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ORIGINAL MANUAL ISSUE DATE: 6/2003
: UPDATED ITEM
REVISION DATE SUBJECT
6/2003 No revisions or updates are applicable at this time.
6/30/2003 Updated G (Pg. 58) and D (Pg. 77) Schematics,
Added critical symbol to G Board on Exploded View section 6-3. Chassis (Pg. 90)
Updated critical components on Parts Lists (Pgs. 92-135)
8/25/2003 Updated Table of Contents (Pg. 3)
Corrected Diagrams for H2, H1, and H4 Board Removal (Pg. 11)
Replaced 2-11. Service Data Lists with 2-11. Adjustable Service Data Lists
(Replace Pgs. 19-37 with Pgs. 19-29)
Corrected procedures for 2-12. Registration Adjustment (Replace Pg. 38 with Pg. 30)
Corrected procedures for 2-13-2. Copying All Registration Data to Other Modes and
2-14. Auto Registration Offsets (Replace Pg. 42 with Pg. 34)
Corrected Error Codes 54 & 55, 2-15. Auto Registration Error Codes (Replace Pg. 43 with Pg. 35)
Added 2-16. Auto Registration Diagnostics (Replace Pg. 44 with Pg. 36)
Corrected 3-D-Comb # from 5-3. Block Diagram (Replace Pg. 51 with Pg. 43)
Deleted IC308 Block Diagram from 5-5. IC Block Diagrams (Replace Pg. 84 with Pg. 76)
Corrected semiconductors 5-6. Semiconductors (Replace Pg. 88 with Pg. 80)
Corrected Grille piece on cover exploded view diagrams (Replace Pg. 89 with Pg. 81)
11/11/2003 Replaced data relating to CR, CG and CB Boards.
Affects Pages 46-48 (Schematics), 83 (Exploded View), 84-87 (Parts List).
11/16/2004 Removed Note from section 2-12-1. Setup For Adjustment. Note is intended for use by the factory during
production, and should not be performed by service technicians.(Pg. 30)
Updated A Board, Complete PN, Added A Board, Mounted PN,
Added New CRT’s, D Board, introduced new S/N range. Affects S/N’s 8,000,001 to 8,700,000
(Pg. 82 & 83)
11/17/2004 Added new D Board PN to Electircal Parts List Affects S/N’s 8,000,001 to 8,700,000
(Pg. 120 & 124)
8/19/2005 Updated serial number range for D Boards and CRTs (Pg. 82, 83, and 120)
☛

COLOR REAR VIDEO PROJECTION
SERVICE MANUAL RA-6A CHASSIS
MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO.
9-965-946-07
KP-46WT510 RM-Y909 US/CND SCC-M10DA
KP-46WT510 RM-Y909
Self Diagnosis
Supported model

— 3 —
KP-46WT510
TABLE OF CONTENTS
SECTION TITLE PAGE SECTION TITLE PAGE
Specifications ................................................................................. 4
Warnings and Cautions .................................................................. 5
Safety Check-Out........................................................................... 6
Self-Diagnostic Function................................................................. 7
SECTION 1: DISASSEMBLY............................................................... 10
1-1. Rear Board Removal............................................................ 10
1-2. Chassis Assembly Removal................................................. 10
1-3. Service Position ................................................................... 10
1-4. H2 Board Removal................................................................11
1-5. H1 Board Removal................................................................11
1-6. H4 Board Removal................................................................11
1-7. Mirror Cover Removal.......................................................... 12
1-8. Beznet Assembly Removal .................................................. 12
1-9. SR Board Removal .............................................................. 12
1-10.AD Board and B Board Removal ......................................... 12
1-11.G Board Removal................................................................. 13
1-12.Terminal Board,A Board, D Board, U Board, and
UD Board Removal.............................................................. 13
1-13.Picture Tube Removal.......................................................... 14
1-14.High-Voltage Cable Installation and Removal...................... 14
SECTION 2: SET-UP ADJUSTMENTS................................................ 15
2-1. Screen Voltage Adjustment (Coarse Adjustment)................ 15
2-2. Screen (G2) Adjustment (Fine Adjustment).......................... 15
2-3. Deflection Yoke Tilt Adjustment............................................ 15
2-4. Focus Lens Adjustment........................................................ 16
2-5. Focus VR Adjustment........................................................... 16
2-6. 2-Pole Magnet and Centering Magnet Adjustment .............. 17
2-7. Centering Magnet Adjustment.............................................. 17
2-8. 4-Pole Magnet Adjustment................................................... 17
2-9. Blue Defocus Adjustment..................................................... 17
2-10.Electrical Adjustments by Remote Commander................... 18
2-11.Adjustable Service Data Lists .............................................. 19
2-12.Registration Adjustment....................................................... 30
2-13.PJE Adjustment (Sub Deflection Adjustment)...................... 32
2-14.Auto Registration Offsets..................................................... 34
2-15.Auto Registration Error Codes............................................. 35
2-16.Auto Registration Diagnostics.............................................. 36
SECTION 3: SAFETY-RELATED ADJUSTMENTS............................. 37
D BOARD..................................................................................... 37
3-1. HV Regulation Circuit Check and Adjustment ..................... 37
3-2. HV Hold Down Circuit Operation Check and Adjustment .... 37
G BOARD..................................................................................... 38
3-3. +B Max Voltage Confirmation .............................................. 38
3-4. +B OVP Confirmation........................................................... 38
SECTION 4: CIRCUIT ADJUSTMENTS.............................................. 39
4-1. Blue Offset Adjustment......................................................... 39
4-2. P & P Sub Contrast Adjustment (Video) (SCON)................. 39
4-3. P & P Sub Contrast Adjustment (RF) (SCON) ..................... 39
4-4. P & P Sub-Hue and Sub-Color Adjustment
(Video) (SHUE, SCOL) ........................................................ 39
4-5. P & P Sub-Hue and Sub-Color Adjustment
(RF) (SHUE, SCOL)............................................................. 40
SECTION 5: DIAGRAMS..................................................................... 41
5-1. Circuit Boards Location........................................................ 41
5-2. Printed Wiring Boards and
Schematic Diagrams Information......................................... 41
5-3. Block Diagrams.................................................................... 43
5-4. Schematics and Supporting Information ............................. 46
CR Board Schematic Diagram ............................................ 46
CB Board Schematic Diagram ............................................ 47
CG Board Schematic Diagram ............................................ 48
V Board Schematic Diagram ............................................... 49
G Board Schematic Diagram ............................................... 50
UD Board Schematic Diagram ............................................ 52
A Board Schematic Diagram (1 of 3).................................... 54
A Board Schematic Diagram (2 of 3).................................... 55
A Board Schematic Diagram (3 of 3).................................... 56
AD Board Schematic Diagram ............................................ 60
U Board Schematic Diagram ............................................... 62
B Board Schematic Diagram (1 of 2) ................................... 65
B Board Schematic Diagram (2 of 2) ................................... 66
D Board Schematic Diagram................................................ 69
SR Board Schematic Diagram ............................................ 72
H2 Board Schematic Diagram ............................................. 72
H1 Board Schematic Diagram ............................................. 74
H4 Board Schematic Diagram ............................................. 75
5-5. IC Block Diagrams ............................................................... 76
A Board ................................................................................ 76
B Board................................................................................ 77
CR Board ............................................................................. 78
CG Board............................................................................. 78
CB Board.............................................................................. 78
U Board................................................................................ 79
5-6. Semiconductors ................................................................... 80
SECTION 6: EXPLODED VIEWS........................................................ 81
6-1. Cover.................................................................................... 81
6-2. Chassis ................................................................................ 82
6-3. Picture Tube......................................................................... 83
SECTION 7: ELECTRICAL PARTS LIST............................................ 84

— 4 —
KP-46WT510
120V AC, 60Hz
230W
Under 1 W
DVI-HDTV
1 terminal, 3.3V T.M.D.S., 50 ohms
The DVI-HDTV input terminal is compliant with the EIA-861 stand-
ard and is not intended for use with personal computers.
Video (IN)
4 total (1 on front panel)
1Vp-p, 75ohms unbalanced, sync negative
S Video (IN)
3 total (1 on front panel)
Y: 1Vp-p, 75ohms unbalanced, sync negative
C: 0.286Vp-p (Burst signal), 75ohms
Audio (IN)
6 total (1 on front panel)
500 mVrms (100% modulation)
Impedance:47 kilo ohms
Projection System
3 picture tubes, 3 lenses, horizontal in-line system
Picture Tube
7-inch high-brightness monochrome tubes (6.3 raster size),
with optical coupling and liquid cooling system.
Projection Lenses
High performance, large diameter hybrid lens F1.1
Antenna
75 ohm external terminal for VHF/UHF
Television System
NTSC, American TV Standard
Channel Coverage
VHF: 2-13/ UHF: 14-69/ CATV: 1-125
SPECIFICATIONS
Design and specifications are subject to change without notice.
Power Requirements
Power Consumption (W)
In Use (Max)
In Standby
Inputs/Outputs
Screen Size (measured diagonally)
46 inches
Supplied Accessories
Remote Control RM-Y909
Batteries (2) size AA (R6)
Optional Accessories
A/V Cable (VMC-810/820/830 HG)
Audio Cable (RKC-515HG)
Component Video Cable (VMC-10/30 HG)
Control S Cable (RK-G69HG)
AV Receiver (STR-V555ES or equivalent)
TV Stand SU-46WT5
Audio (VAR/RIX)
1 total
500 mVrms at the maximum volume setting (Variable)
500 mVrms (Fixed)
Impedance (Output):1 kilo ohm
TV Out
1 total
Video: 1 Vp-p 75 ohms unbalanced, Sync negative
Audio: 500 m Vrms (100% modulation)
Impedance (output): 1 kilo ohms
Control S (IN/OUT)
1 total
Minijacks
Component Video Input
2 (Y, PB, PR)
Y: 1.0 Vp-p, 75 ohms unbalanced, sync negative
PB: 0.7 Vp-p, 75 ohms;
PR: 0.7 Vp-p, 75 ohms
RF Inputs
2 total
Converter
1 total
KP-46WT510
20W x 2
1086 x 1017 x 609 mm
42
3/4
x 40 x 24 in
61.3 kg
135 lbs
Speaker Output (W)
Dimensions (W x H x D)
mm
in
Mass kg
lbs

— 5 —
KP-46WT510
WARNINGS AND CAUTIONS
CAUTION
Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield, or carbon painted on the CRT, after
removing the anode.
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.
!SAFETY-RELATED COMPONENT WARNING!!
Components identified 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 identified in this manual. Follow these procedures
whenever critical components are replaced or improper operation is suspected.
ATTENTION!!
Apres avoir deconnecte le cap de l’anode, court-circuiter l’anode du tube cathodique et celui de l’anode du cap au chassis metallique
de l’appareil, ou la couche de carbone peinte sur le tube cathodique ou au blindage du tube cathodique.
Afin 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.
!ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!
Les composants identifies 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 identifies dans le present manuel. Suivre ces procedures lors de chaque
remplacement de composants critiques, ou lorsqu’un mauvais fonctionnement suspecte.

— 6 —
KP-46WT510
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer:
1. Check the area of your repair for unsoldered or poorly soldered
connections. Check the entire board surface for solder splashes and
bridges.
2. Check the interboard wiring to ensure that no wires are “pinched” or
touching high-wattage resistors.
3. Check that all control knobs, shields, covers, ground straps, and
mounting hardware have been replaced. Be absolutely certain that
you have replaced all the insulators.
4. Look for unauthorized replacement parts, particularly transistors,
that were installed during a previous repair. Point them out to the
customer and recommend their replacement.
5. Look for parts which, though functioning, show obvious signs of
deterioration. Point them out to the customer and recommend their
replacement.
6. Check the line cords for cracks and abrasion. Recommend the
replacement of any such line cord to the customer.
7. Check the B+ and HV to see if they are specified values. Make sure
your instruments are accurate; be suspicious of your HV meter if
sets always have low HV.
8. Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage. Check leakage as
described below.
Leakage Test
The AC leakage from any exposed metal part to earth ground and from
all exposed metal parts to any exposed metal part having a return to
chassis, must not exceed 0.5 mA (500 microamperes). Leakage current
can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instructions.
2. A battery-operated AC milliammeter. The Data Precision 245 digital
multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a VOM
or battery-operated AC voltmeter. The “limit” indication is 0.75 V,
so analog meters must have an accurate low voltage scale. The
Simpson’s 250 and Sanwa SH-63TRD are examples of passive
VOMs that are suitable. Nearly all battery-operated digital multimeters
that have a 2 VAC range are suitable (see Figure A).
How to Find a Good Earth Ground
A cold-water pipe is a guaranteed earth ground; the cover-plate retaining
screw on most AC outlet boxes is also at earth ground. If the retaining
screw is to be used as your earth ground, verify that it is at ground by
measuring the resistance between it and a cold-water pipe with an
ohmmeter. The reading should be zero ohms.
If a cold-water pipe is not accessible, connect a 60- to 100-watt trouble-
light (not a neon lamp) between the hot side of the receptacle and the
retaining screw. Try both slots, if necessary, to locate the hot side on the
line; the lamp should light at normal brilliance if the screw is at ground
potential (see Figure B).
Trouble Light
AC Outlet Box Ohmmeter
Cold-water Pip
e
Figure A. Using an AC voltmeter to check AC leakage. Figure B. Checking for earth ground.
To Exposed Metal
Parts on Set
AC Voltmeter
(0.75 V)
Earth Ground
0
.15 µ F1.5
kΩ

— 7 —
KP-46WT510
SELF-DIAGNOSTIC FUNCTION
The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER LED will automatically begin to flash. The number
of times the LED flashes translates to a probable source of the problem. A definition of the STANDBY/TIMER LED flash indicators is listed in the
instruction manual for the user’s knowledge and reference. If an error symptom cannot be reproduced, the Remote Commander can be used to review
the failure occurrence data stored in memory to reveal past problems and how often these problems occur.
Diagnostic Test Indicators
When an error occurs, the STANDBY/TIMER LED will flash a set number of times to indicate the possible cause of the problem. If there is more than
one error, the LED will identify the first of the problem areas.
Results for all of the following diagnostic items are displayed on screen. If the screen displays a “0”, no error has occurred.
Diagnostic Item
No. of times
STAND BY /
TIMER
lamp flashes
Probable Cause Location Detected Symptoms
Power does not turn on Does not light •Power cord is not plugged in.
•Fuse is burned out (F6001). (G Board) •Power does not come on. •No power is supplied to the TV.
•AC Power supply is faulty.
+B overcurrent (OCP)* 2 times •H.OUT (Q8024) is shorted. (D Board)
•+B PWM (Q8035, Q8038) is shorted.
(D Board)
•Power does not come on.
•Load on power line shorted.
+B overvoltage (OVP) 3 times •IC501 is faulty. (G Board)
•IC5002 is faulty. (G Board) •Has entered standby mode.
Vertical deflection stopped 4 times •±15V is not supplied. (D Board)
•IC8003 is faulty. (A Board) •Has entered standby state after
horizontal raster.
•Vertical deflection pulse is
stopped.
•Power line is shorted, or
power supply is stopped.
White Balance Failure
(Not Balanced) 5times •Video OUT (IC7101, IC7201, IC7301)
is faulty. (CR, CG, CB Boards)
•CRT drive (IC309) is faulty. (A Board)
•Screen (G2) is improperly adjusted. **
•No raster is generated.
•CRT Cathode current detection
reference pulse output is small.
Low B OCP/OVP
(Overcurrent/Overvoltage) *** 6times •+5 line is overloaded. (A, B Boards)
•+5 line is shorted. (A, B Boards) •No picture
Horizontal deflection stopped 7 times •Q8035, Q8038 is shorted. (D Board)
High-voltage error 8 times •T8005 is faulty. (D Board)
Audio error 9 times •±19V line is shorted. (A, B Boards)
•IC708 is faulty. (A Board)
•PS701 or PS702 is opened.
(A Board)
•No sound
* If a +B overcurrent is detected, stoppage of the vertical deflection is detected simultaneously. The symptom that is diagnosed
first by the microcontroller is displayed on the screen.
** Refer to Screen (G2) Adjustments in Section 2-2of this manual
*** If TIMER or STAND BY indicator blinks six (6) times, unplug the unit and wait 10 minutes before performing the adjustment.
Self Diagnosis
Supported model

— 8 —
KP-46WT510
Display of Standby/Timer LED Flash Count
Lamp OFF :
3.0 seconds
Lamp ON : 0.3 seconds
Lamp OFF : 0.3 seconds
* One blink is not used for self-diagnosis.
•EXAMPLE
<Diagnosis Items> <Number of Blinks>
•+B overcurrent 2 times
•+B overvoltage 3 times
•Vertical deflection stop 4 times
< FRONT PANEL >
TIMER/STAND BY indicator
Release of TIMER STAND BY indicator blinking
The TIMER/STANDBY indicator blinking display is released by turning OFF the power switch on the TV main unit or removing the plug from the power.
Self-Diagnosis Screen Displays
In cases of malfunctions where it is not possible to determine the symptom such as when the power goes off occasionally or when the screen
disappears occasionally, there is a screen display on whether the malfunction occurred or not in the past (and whether the detection circuit operated or
not) in order to allow confirmation.
Screen Display Method
Quickly press the remote command button in the following order from the standby state.
Display Channel 5Sound Volume* _Power ON
*Note that this differs from entering the service mode (sound volume +)
SELF DIAGNOSIS
2 : +B OCP N/A
3 : +B OVP N/A
4 : V STOP 0
5 : AKB 1
10 : WDT 24
Numeral "0" means that no fault
was detected.
Numeral "1" means a fault was detected
one time or more
Self-Diagnosis Screen Display
The results display is not automatically cleared. In case of repairs and after repairs, check the self-diagnosis screen and be sure to return the results
display to “ 0 ”.
If the results display is not returned to “ 0 ” it will not be possible to judge a new malfunction after completing repairs.
Method of Clearing Results Display
1. Power off (Set to the standby mode.)
2. Display Channel 5Sound Volume +Power ON (Service Mode)
3. Channel 8ENTER (Test reset = Factory preset condition)
Method of Ending Self Diagnosis Screen
When ending the self-diagnosis screen completely, turn the power switch OFF on the remote commander or the main unit.

— 9 —
KP-46WT510
Self-Diagnosis Function Operation
OCP Low B and +B line detect DET SHORT, and shut-down POWER ON RELAY.
Reset by turning power on/off. In case of +B is loaded approx. 1.5A or more, microcomputer detects it via IC5005.
OVP In case of +B becomes approx. 150V or more, POWER ON RELAY shuts down and microcomputer detects it via IC5005.
Reset by turning power on/off just the same as OCP.
Low B Occurs when set +5V is out
V Stop In the case of the V Drive disappearing, Q8001 detects it and shuts-down the POWER ON RELAY. The microcomputer detects it and
causes the LED to blink.
AKB IK detection. Makes LED blink when microcomputer doesn’t detect IK, returns of IC309 (CXA2150AQ) 20 seconds or more.
H Stop In case H DRIVE disappears, Q378 detects it and shuts-down POWER ON RELAY.
Microcomputer receives H Stop data from Q378 and makes the LED blink.
HV Stop In case HV becomes 33kV or more, IC8006 detects it and shuts-down POWER ON RELAY.
The microcomputer makes the LED blink.
Audio In case of DC component overlaps the output of Audio Amp., the microcomputer detects it and shuts-down POWER ON RELAY.
The microcomputer makes the LED blink.
Self-Diagnosis Block Diagram
49
53
43 244544
31
28
29
25
58
35
34
5. AKB
5. AKB
4. V STOP
3. OVP
2. OCP
6. LOW B
8. HV.STOP
9. Audio
IC704
MAIN-CPU
IC309
CXA2150AQ
Y/C JUNGLE
D9101
TIMER/STANDBY
R765
IC702
EEPROM
IC703
EEPROM
Q714
+5V DETECT
Q378
H PULSE
Detector
IC8006
HV Detector
Q8001
V Pulse Detector
IC5005
OVP Buffer
OCP Buffer
C Board
DC Detect
IC8003
V Drive
IC708
6. H STOP
BUS 26
30
OVP DETECT
OCP DETECT
Audio AMP

— 10 —
KP-46WT510
1-1. REAR BOARD REMOVAL
SECTION 1: DISASSEMBLY
Nine Screws, dome washer
HEX tap 4 x 20
Rear board
2
1
Three screws,
dome washer
HEX tap 4 x 20
Chassis assy
2
1
From V board CN9001.
(The extension cable is not
supplied because of the
countermeasure for radiation.)
D board CN17, 18, and 19
A board
Covers
Remove covers from chassis assembly
with pliers when checking printed circuit boards.
After checking, turn the covers over
and re-secure them with the screws.
Screws
(+BVTP 3x12)
Chassis assembly
Disconnect CN17, 18, and 19
on the A board.
1
2
1-2. CHASSIS ASSEMBLY REMOVAL
1-3. SERVICE POSITION

— 11 —
KP-46WT510
1-4. H2 BOARD REMOVAL
fiSixfiscrews
fifi(+BVTPfi4x1
2
fiH2fiboard
fiButton,fimulti
5
fiFourfiscrews,
domefiwasher
HEXfitapfi4fixfi20,
tofiremove
speakerfigrille
1
fiFirmlyfipull
speakerfigrille
forwardfitofi
release.
24
3
fiTwofiscrews
fifi(+BVTPfi4x12)
fiScrew
fifi(+BVTPfi3x1
2
fiH1fiboard
fiButton,fipower
fiBracketfiH1
fiScrew
fifi(+BVTPfi4x12)
fiGuide,fiLED
7
6
21
4
3
5
1-5. H1 BOARD REMOVAL
1-6. H4 BOARD REMOVAL
Two Screws
(+BVTP 3x12)
Onescrews
(+BVTP 4x12)
Door, front terminal
H4 board
34
2
1

— 12 —
KP-46WT510
1-7. MIRROR COVER REMOVAL
Mirror cover
Twenty three screws,
dome washer HEX tap 4x20
1
2
Beznet assy
Screws,
dome washer HEX tap 4x20
Screws,
dome washer HEX tap 4x20
2
3
1
B board
AD board
Main bracket
1
1
L screen holder
Claws
SR board
Sensor
bracket (B)
Two screws
(+BVTP 4x12)
Four screws
(+BVTP 4x12)
Two screws
(+BVTP 4x12)
Sensor
bracket (A)
7
6
53
1
2
4
1-8. BEZNET ASSEMBLY REMOVAL
1-9. SR BOARD REMOVAL 1-10.AD BOARD AND B BOARD REMOVAL

— 13 —
KP-46WT510
1-11.G BOARD REMOVAL
1-12.TERMINAL BOARD, A BOARD, D BOARD, U BOARD, AND UD BOARD REMOVAL
G board
Bracket G
Claws Claw
Claw
Main bracket
Four screws
(+BVTP 3x12)
screw
(+BVTP 4x12)
2
232
1
5
4
D board
A board
Terminal board
Claws
Main bracket
U board
Two screws
(+BVTP 4x20 dome washer)
Screws
(+BVTP 3x12)
Six screws
(+BVTP 3x12)
Five screws
(+BVTP 3x12)
8
6
6
7
54
2
1
1
5
Two screws
(+BVTP 3x12)
3
UD board

— 14 —
KP-46WT510
1-13.PICTURE TUBE REMOVAL
Two screws
(+BVTP 3x12)
Four screws
(+BVTP 4x12)
Picture tube
Picture tube
Deflection yoke
Neck assy
CR board
V board
Lens
Lens
Four screws,
dome washer
HEX tap 4x20
Four screws,
dome washer HEX tap 4x20
Four screws,
dome washer HEX tap 4x20
CAUTION Removing the arrow-marked
screws is strictly prohibited.
If removed, it may cause liquid spill.
2
4
5
11
12
10
3
98
7
6
1
1-14.HIGH-VOLTAGE CABLE INSTALLATION AND REMOVAL
(1) Removal
Rubber cap
HV cable
turn 90°
HV cable
Gutter
Hook
(2) Installation
1
2
1

— 15 —
KP-46WT510
SECTION 2: SET-UP ADJUSTMENTS
2-1. SCREEN VOLTAGE ADJUSTMENT
(COARSE ADJUSTMENT)
1. Receive the Monoscope signal.
2. Set BRIGHTNESS to 50% and PICTURE to minimum.
3. Turn the red VR on the focus block all the way to the left and then
gradually turn it to the right until the retrace line is barely visible.
4. Gradually turn the control to the left until the retrace line disappears.
R G B
SCREEN
R G B
FOCUS
FOCUS Block
2-2. SCREEN (G2) ADJUSTMENT (FINE
ADJUSTMENT)
If the jig described below is available, it is recommended that the G2
Fine Mode Adjustment be performed to set the screen controls to their
optimal condition. If desired, you can build the jig illustrated below,
using 3-watt resistors. Please note that if the proper voltage is not
obtained with the listed resistor’s values, then increase or decrease one
of the values in the resistor network to obtain the correct voltage.
1. Select VIDEO-1 mode no signal applied (the screen must be black).
2. Connect the G2 JIG.
3. SW on JIG.
4. Connect an oscilloscope to the TP7101(KR), TP7202(KG) and
TP7301(KB) of CR board, CG board, and CB board.
5. Adjust red, green, and blue screen voltage to 177.5+/-0.5V with
screen VR on the focus block.
177.5V +/- 0.5V
G2 JIG
TP7202
(210V)
TO CG BOARD GND
3.3k 3.9k 5.6k 6.8k
SW
K
GND
pedestal level
All resistors are 3W type
2-3. DEFLECTION YOKE TILT ADJUSTMENT
1. Connect the color bar generator monoscope pattern to Video 1 input.
2. Cover the red and blue CRT lenses with lens caps to allow only green
to show (or use the method shown in the note below for turning off
the CRTs individually without using lens caps).
3. Loosen the CRT’s deflection yoke set screw and align the tilt of the
deflection yoke so that the horizontal bars at the center of the
monoscope pattern are horizontal.
4. After aligning the deflection yoke fasten it securely to the
funnel-shaped portion (neck) of the CRT.
The tilt of the deflection yoke is aligned in the mode.
5. Cover the green and blue CRT lenses with lens caps to allow only
green to show (or use the method shown in the note below for turning
off the CRTs individually without using lens caps), then repeat steps 3
and 4 for the red CRT.
Cover the green and red CRT lenses with lens caps to allow only
green to show (or use the method shown in the note below for turning
off the CRTs individually without using lens caps), then repeat steps 3
and 4 for the blue CRT.
Note: If lens caps are unavailable, you can cut off the unnecessary color
beams by controlling the service mode 2150P-2 1 RGBS.
2-pole magnet 4-pole magnet
Deflection yoke
Anode cap
Centering magnet

— 16 —
KP-46WT510
2-4. FOCUS LENS ADJUSTMENT
In this adjustment, use the remote commander while in service
mode. For details on the usage of the service mode and the remote
commander, please refer to section
2-10. ELECTRICALADJUSTMENTS BY REMOTE COMMANDER.
1. Loosen the lens screw.
2. Cover the red and blue CRT lenses with lens caps to allow only green
to show (or use the method shown in the note below for turning off
the CRTs individually without using lens caps).
3. Turn the green lens to adjust to the optimum focus point with the
crosshatch signal.
4. Tighten the lens screw.
5. Cover the green and blue CRT lenses with the lens caps to allow only
red to show (or use the method shown in the note below for turning
off the CRTs individually without using lens caps).
6. Turn the red lens to adjust to the optimum focus point with the
crosshatch signal.
7. Tighten the lens screw.
8. Cover the green and red CRT lenses with the lens caps to allow only
blue to show (or use the method shown in the note below for turning
off the CRTs individually without using lens caps).
9. Turn the blue lens to adjust to the optimum focus point with the
crosshatch signal.
10.Tighten the lens screw.
11.After adjusting the items:
2-5. FOCUS VR ADJUSTMENT,
2-6. 2-POLE MAGNETADJUSTMENT,
2-8. 4-POLE MAGNETADJUSTMENT,
Reconfirm the optimum focus point and adjust again if necessary.
* Every time 6 is pressed, the test signal changes to:
“crosshatch+video signal” →“crosshatch+borderline (black)” →
”crosshatch (black)” →“dots (black)” →off
Test Signal
Note: If lens caps are unavailable, you can cut off the unnecessary color
beams by controlling the service mode 2150P-2 1 RGBS.
2-5. FOCUS VR ADJUSTMENT
1. Set generator to crosshatch.
2. Cover the red and blue CRT lenses with lens caps to allow only green
to show (or use the method shown in the note below for turning off
the CRTs individually without using lens caps).
3. Turn the green focus VR on the focus block to adjust to the optimum
focus point with the crosshatch signal.
4. Cover the green and blue picture lenses with lens caps to allow only
red to show (or use the method shown in the note below for turning
off the CRTs individually without using lens caps).
5. Turn the red focus VR on the focus block to adjust to the optimum
focus point with the crosshatch signal.
6. Cover the green and red picture lenses with lens caps to allow only
blue to show (or use the method shown in the note below for turning
off the CRTs individually without using lens caps).
7. Turn the blue focus VR on the focus block to adjust to the optimum
focus point with the crosshatch signal.
8. After adjusting the items:
2-4. FOCUS LENS ADJUSTMENT,
2-6. 2-POLE MAGNETAND CENTERING ADJUSTMENT,
2-8. 4-POLE MAGNETADJUSTMENT,
Reconfirm the optimum focus point and adjust again if necessary.
Note: If lens caps are unavailable, you can cut off the unnecessary color
beams by controlling the service mode 2150P-2 1 RGBS.
A
B
Lens
Minimize both A and B.
Center of crosshatch
Scanning line visible.

— 17 —
KP-46WT510
2-6. 2-POLE MAGNET AND CENTERING
MAGNET ADJUSTMENT
1. Set the picture mode to PRO and picture to MAX.
2. Either select the PJED Test Pattern dot hatch signal or apply an
external dot signal.
3. Cover the red and blue CRT lenses with lens caps to allow only green
to show (or use the method shown in the note below for turning off
the CRTs individually without using lens caps).
4. Turn the focus VR on the focus block to the left (counter clockwise)
and set it to overfocus to enlarge the spot.
5. Adjust the CRT’s 2-pole magnet so that the small bright spot is in the
center.
6. Align the focus VR on the focus block and set it for the best focus.
7. Apply a Monoscope signal to the set.
8. Adjust the H-CENTERING and V-CENTERING roughly by the
centering magnets.
9. Check 2-pole magnet adjustment. If necessary repeat steps 1-6.
10.Repeat steps 1 through 9 for the red CRT covering the green and
blue CRT lenses with lens caps to allow only red to show (or use the
method shown in the note below for turning off the CRTs individually
without using lens caps) and adjust the red focus control on the focus
block.
11.Repeat steps 1 through 9 for the blue CRT covering the red and
green CRT lenses with lens caps to allow only blue to show (or
use the method shown in the note below for turning off the CRTs
individually without using lens caps) and adjust the blue focus control
on the focus block.
Note: If lens caps are unavailable, you can cut off the unnecessary color
beams by controlling the service mode 2150P-2 1 RGBS.
2-7. CENTERING MAGNET ADJUSTMENT
Not required - Combined with 2-6 2-Pole And Centering Magnet
Adjustment.
2-8. 4-POLE MAGNET ADJUSTMENT
1. Set the picture mode to PRO and picture to MAX.
2. Receive the Dot signal.
3. Cover the red and blue CRT lenses with lens caps to allow only green
to show (or use the method shown in the note below for turning off
the CRTs individually without using lens caps).
4. Turn the (green) focus VR on the focus block to the right (clockwise)
and set it to under-focus to reduce the spot.
5. Adjust the 4-pole magnet so that the small spot in the center of the
screen becomes round for green and red.
6. Adjust the blue spot to an oval shape X:Y=1:1.2
Note: If lens caps are unavailable, you can cut off the unnecessary color
beams by controlling the service mode 2150P-2 1 RGBS.
x
y
x : y = 1:1.5 (BIue)
x : y = 1:1 (Green, Red)
Use the center dot
2-9. BLUE DEFOCUS ADJUSTMENT
1. Setup: Apply a Dot Hatch Signal and set the mode to Pro Mode.
Change the color temperature to Cool in the user’s menu.
2. Cover the red and green CRT lenses with lens caps to allow only blue
to show (or use the method shown in the note below for turning off
the CRTs individually without using lens caps).
4. Turn the blue focus VR on the focus block to the right (clockwise) to
make the round dot oval.
D1
Blue
D1:D2 = 1:1.2
D2
5. Check the flare with a high luminance signal to make sure the flare is
minimal while the bright spot is located in the center, If not, readjust
the 2 and 4-pole magnets.
6. Check for uniformity on a 100% IRE to an all white signal.
Note: If lens caps are unavailable, you can cut off the unnecessary color
beams by controlling the service mode 2150P-2 1 RGBS.

— 18 —
KP-46WT510
2-10.ELECTRICAL ADJUSTMENTS BY
REMOTE COMMANDER
All of the circuit adjustments can be made by using the remote
commander (RM-Y909).
NOTE : The following test equipment is required:
1. Pattern Generator (with component outputs)
2. Frequency counter
3. Digital multimeter
4. Audio oscillator
2-10-1.METHOD OF ENTERING THE SERVICE
ADJUSTMENT MODE
SERVICE MODE PROCEDURE
1. TV must be in Standby mode. (Power off)
2. Press “DISPLAY”, “5”, “VOL +”, then “POWER” on the remote
commander.
(Press each button within 1 second of pressing the previous button.)
SERVICE MODE ADJUSTMENT
Data
WSL : XXX
0 0
3D-COMB
NRMD
F / A FLAG :XXXXXXXX
CBA FLAG :XXXXXXXX
SERVICE
TV
Item NO.
Adjustment Item
Category
3. The screen displays the item being adjusted within that category.
4. Press 1 or 4 on the remote commander to select the adjustment item.
5. Press 3 or 6 on the remote commander to change the data.
6. Press 2 or 5 on the remote commander to select the adjustment
category.
Every time you press 2 (Category up), service mode changes in the
order shown below:
3D-COMB
2103-1
2103-2
2150P-1
2150P-2
2150P-3
2150D-1
2150D-3
AP
TRUS
2151
OP
ID
PJE
2150D-2
2150P-4
CCD
ID-1
OSD
SNNR
DLBY
MID1
MID2
MID3
MID5
7. If you want to go back to the most recently saved value, press “0”
then “ENTER” to read the memory.
8. Press “MUTING” then “ENTER” to write the new adjustment data into
memory.
9. When you want to exit the service mode, turn the power off.
Note: Press “8” then “ENTER” on the remote commander to restore the
factory settings for user controls and channel memories (this will also
turn set off and then on to exit the service mode).
2-10-2.MEMORY WRITE CONFIRMATION
METHOD
1. After adjustment, turn the power off with the remote commander.
2. Turn the power ON and set to service mode.
3. Cycle through the adjusted items again and confirm that the
adjustments were saved.
2-10-3.ADJUSTING BUTTONS AND
INDICATOR
Note: When the PJE mode (which displays an internally generated
signal) is activated, several buttons on the remote commander will have
different functions than the ones listed below. Therefore, when in the
PJE mode, refer to section 2-12-3 for button functions.
MUTING
Category up
Adjustment
item up
Adjustment
item down
ENTER
Data Down
Data Up
DISPLAY
POWER
VOLUME +
RM-Y909
Category
down

— 19 —
KP-46WT510
2-11.ADJUSTABLE SERVICE DATA LISTS
Only the Adjustable registers are shown in the initial data list.
A complete set of the Initial data, Fixed and Adjustable, can be downloaded at: http://www-ec.sdp.sel.sony.com/padics/Model_Data_List.htm
Initial data is also available in an Excel format.
CATEGORY # ITEM DESCRIPTION CONDITION
46WT510 MIN MAX + = Unsigned - = Signed
C2103_1 2SCON
Sub contrast RF 7 0 15 +
Video 1-4 7 0 15 + [0: GA, 1: US, 2: Europe]
3SCOL
Sub color RF 7 0 15 +
Video 1-4 7 0 15 +
4SHUE
Sub hue RF 7 0 15 +
Video 1-4 7 0 15 +
20 CBOF Cb Offset Adjustment P&P Left M-DRC Video1-4 34 0 63 +
P&P Left M-DRC Video5,6 480i 34 0 63 +
21 CROF Cr Offset Adjustment P&P Left M-DRC Video1-4 32 0 63 +
P&P Left M-DRC Video5,6 480i 32 0 63 +
C2103_2 2SCON
Sub contrast RF 7 0 15 +
Video1-4 7 0 15 +
3SCOL
Sub color RF 7 0 15 +
Video1-4 7 0 15 +
4SHUE
Sub hue RF 7 0 15 +
Video1-4 7 0 15 +
20 CBOF Cb Offset Adjustment P&P Right S-DRC RF/Video1-4 32 0 63 +
P&P Right S-DRC Video5,6,7 480i 32 0 63 +
21 CROF Cr Offset Adjustment P&P Right S-DRC RF/Video1-4 31 0 63 +
P&P Right S-DRC Video5,6,7 480i 31 0 63 +
C2150P_1 4SBRT
Sub Bright Common 24 0 63 +
5RDRV
R output drive Common 31 0 63 + (lower byte)
7BDRV
B output drive Common 31 0 63 + (upper byte)
8RCUT
R output cutoff Common 31 0 63 +
10 BCUT B output cutoff Common 31 0 63 +
C2150D_1 0VPOS
Vertical position(V_DRV signal DC bias) Common 27 0 63 +
1VSIZV_SIZE:Vertical size(V_DRV signal gain) Common 50 0 63 +
2VSZO
V_SIZE OFFSET 1080i 23 0 63 +
C2150D_2 2HSIZ
H_SIZE:Horizontal size Wide Zoom 35 0 63 +
Full/Normal/Zoom 35 0 63 +
3SLINMP_PARA_DC:Horizontal S-correction Wide Zoom 0 0 15 +
Full/Normal/Zoom 0 0 15 +
OSD 0HPOS
OSD horizontal position Common 18 0 255 +
1HPOF
Horizontal position for Favorite mode Common 32 0 255 +
CCD 0HPRM
Horizontal position of CCD(Main) Common 49 0 255 +
1HPRS
Horizontal position of CCD(Sub) Common 49 0 255 + ▲6: 1130→1110

— 20 —
KP-46WT510
ADJUSTABLE SERVICE DATA LISTS
    
    
        
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
        
        
       
       
       
       
       
       
       
       
       
       
       
       
       
       