THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE AN ISOLATION TRANSFORMER SHOULD BE USED DURING THESE COMPONENTS WITH SONY PARTS WHOSE PART ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS SUPPLEMENTS PUBLISHED BY SONY.
KP-44PX2/44PX2U RM-938 l l a . s l . s l . s l . s l . s l e i l , P I i n i 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.
KP-44PX2/44PX2U RM-938 21 pin connector Pin No Signal Signal level Audio output B Standard level : 0.5V rms (right) Output impedence : Less than 1kohm* Audio input B Standard level : 0.5V rms (right) Output impedence : More than 10kohm* Audio output A Standard level : 0.5V rms...
KP-44PX2/44PX2U RM-938 SECTION 1 SELF DIAGNOSIS FUNCTION 1-1. AE-6X Self Diagnostic Software The identification of errors within the AE-6X chassis is triggered in one of two ways :- 1: Busy or 2: Device failure to respond to IIC. In the event of one of these situations arising the software will first try to release the bus if busy (Failure to do so will report with a continuous flashing LED) and then communicate with each device in turn to establish if a device is faulty.
KP-44PX2/44PX2U RM-938 3-7. BEZNET BLOCK REMOVAL Eleven screws (+BVTP 4x16) Beznet block Four screws (Hexagon head) Five screws (Hexagon head) 3-8. HIGH-VOLTAGE CABLE REMOVAL AND 3-9. AP AND D BOARD REMOVAL INSTALLATION Printed circuit board support Six screws (+BVTP 3x12)
KP-44PX2/44PX2U RM-938 SECTION 4 SET-UP ADJUSTMENTS Rotate the green lens and align to obtain the best lens 4-1. SCREEN VOLTAGE ADJUSTMENT focus at the center area. (ROUGH ALIGNMENT) Rotate the green focus VR on the focus pack and align to obtain the best electrical focus in the top right corner.
KP-44PX2/44PX2U RM-938 4-5. 2-POLE MAGNET ADJUSTMENT 4-7. GREEN, RED AND BLUE FOCUS ADJUSTMENT Receive the Dot signal. Place the caps on the red and blue lens so that only the 4-7-1. Green, Red and Blue Lens Focus green color is shown.
KP-44PX2/44PX2U RM-938 SECTION 5 SAFETY RELATED ADJUSTMENT When replacing the following components marked with on the D BOARD – CONDUCTOR SIDE – schematic diagram, always check hold-down voltage and if necessary CN5003 re-adjust. Part Replaced ( CN5002 R9901 Part Replaced (...
KP-44PX2/44PX2U RM-938 SECTION 6 ELECTRICAL ADJUSTMENTS 6-1. Adjustments with Commander 6-1-2. Programming the Remote Commander for Operation in Service Mode Service adjustments to this model can be performed using the Press the VCR/TV/DVD button until the supplied remote Commander RM-938.
KP-44PX2/44PX2U RM-938 6-1-5. Service List (Projector Engine) : Fixed data. xxxx : Cannot change. Standard Data Item Name/Description Data Range NTSC Name Wide Zoom 14 : 9 Smart Wide Zoom 14 : 9 Smart FDIS 00, 01 Switch of display for fine adjustment data...
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KP-44PX2/44PX2U RM-938 Standard Data Item Name/Description Data Range NTSC Name Wide Zoom 14 : 9 Smart Wide Zoom 14 : 9 Smart SOGV –128 ~ 127 GREEN vertical skew offset data for Auto Regi. SORV –128 ~ 127 RED vertical skew offset data for Auto Regi.
KP-44PX2/44PX2U RM-938 Adjust “V-Size” and “H-Size” so that the picture size is 6-2. Registration Adjustments within the specification. 6-2-1. Setup for Adjustment SPEC Overscan Spec. = 7.5% 1. Marking Input Signal H SIZE V SIZE PAL SPCB 16.7 ± 0.1 sq.
KP-44PX2/44PX2U RM-938 6-2-3. Operation Method for Projector Engine Mode Commander Function Buttons Mode Description VIDEO STANDBY WRITE Writes data to NVM. MUTE 7 + - READ Reads data from NVM. TV STANDBY 5 + - Service data initialization. Not stored.
KP-44PX2/44PX2U RM-938 6-2-4. Projector Engine Adjustment 3. Operation Method for Fine Adjustment (Sub Deflection Adjustment) (in GRN, BLU, or RED Mode) Select the Projector Engine mode. Adjustment a a a a a : Yes – : No Select FDIS so that the data at each position can be...
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KP-44PX2/44PX2U RM-938 Select “GRN SIZE”, and adjust so that each distance from 12) Select “GRN MSIZ”, and correct the space intervals for center to left end and to right end is equal. Adjust so that the horizontal section of the screen are equal.
KP-44PX2/44PX2U RM-938 3. Red Adjustment 6-4. WHITE BALANCE ADJUSTMENT Place a cap on the blue lens so that green and red colors 1. Enter the monoscope signal. are displayed. 2. Press “MENU” button on the commander to enter the Press “3” button on the commander to select RED mode.
KP-44PX2/44PX2U RM-938 6-7. AUTO CONVERGENCE ERROR CODE LIST If an error code is displayed after the set has been fully adjusted, correctly, plese check the following items : position, tilt and sizing. If either of these adjustments are off, even slightli, the auto registration pattern will not hit the four sensors properly. This occurs when the internal generator patterns is being flashed on the screen for the sensor to read.
KP-44PX2/44PX2U RM-938 6-8. TEST-TEST MODE Is available by pressing “OSD”, “5”, “Volume minus”, “TV” button in the standby mode, OSD “TT--” appears. The functions described below are available by pressing the two numbers. To release the Test-Test mode, Press “-” twice or switch the TV set into standby mode.
7-1. BLOCK DIAGRAMS (1) CN1000 CN6200 RIGHT OUT SC1-OUT-R MICRO AC ON/OFF RIGHT IN R-IN-1 G BOARD CN6300 LEFT OUT SC1-OUT-L VIDEO LEFT IN L-IN-1 IC3200 CN0101 BLUE IN BLUE IN 1 TU1000 AV-LINK IC2000 U IN 100 AUOUT-100 SOUND PROCESSOR MODE MODE 1 MODE 3...
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7-1. BLOCK DIAGRAMS (3) CN5015 REG1 MUTE V-SHIFT H/V-DEF, HV, DY DRIVE IC5501, 5502 CONV OUT CN5012 BV SUB RET Q5503-5506 Q5501, 5502 REG I MUTE BH SUB RET IC5502 (2/3) D FOCUS BH SUB DEF TO ZB BOARD CN7802 IC5502 (1/3) D+5V BV SUB DEF...
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7-1. BLOCK DIAGRAMS (4) T6004 PIT AUDIO D6302 CN6301 RECT +17V TO A BOARD CN2503 -17V IC6303 T6005 CN6302 D6308 D6309 RECT RECT +22V T6001 T6002 F6001 CN6004 CN6006 AC(L) AC(L)IN AC IN TO H3 BOARD 220 - 240V -22V CN3103 AC(W) AC(N)IN...
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7-1. BLOCK DIAGRAMS (5) CR ( CG ( CB ( CN7104 CN7205 CN7304 FOCUS FOCUS FOCUS R CRT DRIVE G CRT DRIVE B CRT DRIVE BLOCK BLOCK BLOCK J7101 J7201 J7301 TO HV BLOCK TO HV BLOCK TO HV BLOCK IC7101 IC7201 IC7301...
7-1. BLOCK DIAGRAMS (6) 7-2. CIRCUIT BOARD LOCATION Reference Information RESISTOR : METAL FILM : SOLID FPRD : NON FLAMMABLE CARBON FUSE : NON FLAMMABLE FUSIBLE CN0002 : NON FLAMMABLE METAL OXIDE RF-KEY : NON FLAMMABLE CEMENT RF-DATA : NON FLAMMABLE WIREWOUND RF-LED SWITCH Q0014...
~ A Board Waveforms ~ 20us/div 10us/div 1.4 Vp-p (H) 688 mVp-p (H) 5ms/div 5ms/div 264 mVp-p (H) 272 mVp-p (H) COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL A Schematic [ Video and Audio Processors, Audio Output ] page 2/2 ~ - 42 -...
~ A Printed Wiring Board Conductor side A ~ ~ A Board Location Table (A Side) ~ ~ A Board IC Voltage Table ~ ~ A Board Semiconductor Voltage Table ~ - 43 -...
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~ A Printed Wiring Board Conductor side B ~ ~ A Board Location Table (B Side) ~ - 44 -...
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL TO D BOARD CN5018 TP10 TP11 TP12 TP13 TO D BOARD AP Schematic [ PJED, REGI Correction ] ~ CN5015 - 45 -...
TO AP BOARD TO A BOARD TO A BOARD CN6201 TP10 CN1501 CN1502 TP11 (V902 G) (V903 B) TP12 TP13 TP14 COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL D Schematic [ H/V-Def, HV, DY Drive ] ~ - 46 -...
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AP Board IC Voltage Table ~ AP Board Semiconductor Voltage Table ~ - 47 -...
~ G Printed Wiring Board Conductor side ~ ~ G Board Location Table ~ ~ G Board IC Voltage Table ~ ~ G Board Semiconductor Voltage Table ~ Note : Portions of the circuit contained within the marked areas as shown have high voltages present.
KP-44PX2/44PX2U SECTION 8 RM-938 EXPLODED VIEWS NOTE : Items with no part number and no description are not Items marked “*” are not stocked stocked because they are seldom required for routine since they are seldom required for The components identified by shading £...
KP-44PX2/44PX2U RM-938 8-2. CONTROL PANEL AND CABINET BLOCK The components identified by shading £ and mark are critical for safety. Replace only with part number specified. 7-685-663-71 +BVTP 4X16 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK 4-088-418-01 SKIRT, (PAINTED FRONT) 4-047-464-01 CATCHER, PUSH £...
KP-44PX2/44PX2U RM-938 8-3. MAIN BRACKET BLOCK The components identified by shading £ and mark are critical for safety. Replace only with part number specified. 7-685-648-79 +BVTP 3X12 7-685-663-79 +BVTP 4X16 ¡ 7-685-663-71 +BVTP 4X16 UK Models Only REF.NO. PART.NO DESCRIPTION REMARK REF.NO.
KP-44PX2/44PX2U RM-938 8-4. PICTURE TUBE BLOCK The components identified by shading £ and mark are critical for safety. Replace only with part number specified. 7-685-663-71 +BVTP 4X16 REF.NO. PART.NO DESCRIPTION REMARK REF.NO. PART.NO DESCRIPTION REMARK *A-1332-181-A CR BOARD, COMPLETE £...
SECTION 9 ELECTRICAL PARTS LIST PARTS LISTING TABLE OF CONTENTS Page ZR BOARD COMPLETE Parts List : ..................70 ZB BOARD COMPLETE Parts List : ..................70 ZG BOARD COMPLETE Parts List : ..................71 CR BOARD COMPLETE Parts List : ..................
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• User programmable Functional Check through Infrared • Fast and documented Test Mode setting of all Sony TV chassis Additional features such as Adjustments and Troubleshooting are available in chassis-dependent software modules. Please contact your local Sony Service organisation for the latest information.