Page 1
SERVICE MANUAL RG-2 CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KP-EF41ME3 KP-EF48MN3 RM-871 SCC-N72G-A RM-871 SCC-N69H-A KP-EF41MN3 KP-EF48SN3 RM-871 SCC-N69G-A RM-871 SCC-P55A-A KP-EF41SN3 RM-871 SCC-N73G-A RM-871 KP-EF41ME3/EF41MN3/ KP-EF48MN3/EF48SN3 KP-EF41SN3 PROJECTION TV ∗ Please file according to model size..
Page 2
VIEWS AND IN THE PARTS LIST ARE CRITICAL TO REMOVING THE ANODE. SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS AP- PEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE- MENTS PUBLISHED BY SONY. – 2 –...
Page 5
LINE OUT R-AUDIO-L VIDEO (MONO) COMPOMENT VIDEO OUT S VIDEO OUT LINE OUT /B-Y /R-Y R-AUDIO-L VIDEO...
Page 6
GAME MENU PIP PROGR ENTER PROGR TEXT INDEX POWER BASSO PROGR...
Page 7
PRES E T L A NGUAGE / ENGL I SH ENTER ENTER AUTO PROGRAM MANUA L PROGRAM T V S Y S : B / G COL SYS : AUTO S K I P : PR 0 2 O F F ENTER ENTER MENU...
Page 8
MANUA L PROGRAM P R : 0 1 T V S Y S : B / G ENTER ENTER AT T : OFF V O L U M E : 0 VHF L O W PRES E T L A NGUAGE / ENGL I SH ENTER ENTER...
Page 9
A / V CONTROL A / V CONT ROL DYNAM I C DY NAM I C STANDARD S T A NDARD SOF T SOF T P ERSONAL PERSONAL V I DEO AD J UST V I DEO AD J UST A UD I O AD J UST AUD I O AD J UST PRES E T...
Page 10
DYNAMIC POWER BASSO: ON PROGR SLEEP TIMER:30M SLEEP TIMER:60M SLEEP TIMER:OFF SLEEP TIMER:90M FREEZE SWAP MUTING...
Page 11
A / V CONT ROL DY NAM I C S T A NDARD SOF T P ERSONAL V I DEO AD J UST A UD I O AD J UST ENTER V I DEO AD J UST P I C T URE A / V CONT ROL COL OR ENTER...
Page 12
A / V CONT ROL DY NAM I C S T A NDARD SOF T P ERSONAL V I DEO AD J UST A UD I O AD J UST ENTER AUD I O AD J UST ® BASS TREBLE ENTER ENTER BA L ANCE...
Page 13
A / V CONTROL DYNAM I C STANDARD SOF T PERSONAL V I DEO AD J UST AUD I O AD J UST P I P PROGR I ND EX P I P TE X T ENTER ENTER S T ROB E POS I T I ON: P I P : OF F...
Page 14
ENTER A / V CONTROL DYNAM I C STANDARD SOF T PERSONAL V I DEO AD J UST AUD I O AD J UST ENTER P I P PROGR I ND EX P I P TE X T ENTER ENTER S T ROB E POS I T I ON: P I P : OF F...
Page 16
ENTER A / V CONT ROL DY NAM I C S T A NDARD SOF T P ERSONAL V I DEO AD J UST A UD I O AD J UST P I P PROGR I ND EX P I P TE X T ENTER ENTER S T ROB E...
Page 17
A / V CONTROL DYNAM I C STANDARD SOF T PERSONAL V I DEO AD J UST AUD I O AD J UST F E AT URES GAME MODE HYPER S URROUND : ENTER ENTER OF F AV OUT : MON I TOR CONVERGENCE...
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 2-6. G BOARD REMOVAL 2-7. P1 BOARD AND V2 BOARD REMOVAL 1 Three holder PWB 3 Two claws 1 Two claws 4 V2 board 2 P1 board 2 G Board 2-8. UG BOARD, AG BOARD AND S BOARD REMOVAL...
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 (3) CHASSIS BLOCK REMOVAL * Pull out the chassis block by gripping the handles as shown in the diagram. At this time, pay particular attention to the components removed in (1). • KP-EF41 • KP-EF48 1 Six screws...
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 SECTION 3 SET-UP ADJUSTMENTS 3-1. SCREEN VOLTAGE ADJUSTMENT KR, KG, KB (ROUGH ALIGNMENT) 5.6K/3W X3 1. Receive the Monoscope signal. 2. Set 50% BRIGHTNESS and minimum PICTURE. 3. Turn the red VR on the FOCUS Pack all the way to the left and then gradually turn it to the right until the point where you can see the retrace line.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 3-5. 2-POLE MAGNET ADJUSTMENT 3-8. GREEN AND RED FOCUS ADJUSTMENT 1. Set in service mode. 3-8-1. Green and Red Lens Focus Adjustment 2. Set to receive the Dot signal. 1) Input a monoscope signal. 3. Place the caps on the red and blue lens so that only the green 2) Place a lens cover over Red and Blue lenses and project only color is shown.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 SECTION 4 SAFETY RELATED ADJUSTMENT When replacing the following components marked with E BOARD – CONDUCTOR SIDE – on the schematic diagram, always check hold-down volt- CN810 age and if necessary re-adjust. CN505 Part Replaced ( )
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 SECTION 5 CIRCUIT ADJUSTMENTS 5-1. ADJUSTMENTS WITH COMMANDER 1, 4 Select the adjustment item. Service adjustments are made with the RM-871 that comes with ↓ this unit. 3, 6 Raise/lower the data value. ↓ Entering service mode MUTING Writes.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 Use the same method for Items Number 00-99. Use 1 and 4 5-2. ADJUSTMENT METHOD to select the adjustment item, use 3 and 6 to adjust, write with Item Number 00 MUTING , then execute the write with -.
Page 32
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 Adjustment Item Table Item Data Register Device Display Item Range Values Name 00~3F V POSITION CXA2050S 00~3F V SIZE 00~0F H POSITION 00~3F H SIZE 00~0F S CORRECTION 00~0F V LINEARITY 00~3F PIN COMP 00~0F PIN PHASE...
Page 33
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 Item Data Register Device Display Item Range Values Name –127~+127 KEYSTONE SSKW –127~+127 SUB SKEW RH10 MPIN –127~+127 MID PINCUSION RH11 –127~+127 –10 PINCUSION RH12 SBOW –127~+127 SUB BOW RH13 MBOW –127~+127 MID BOW RH14 4PIN –127~+127...
Page 34
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 Item Data Register Device Display Item Range Values Name ACV2 ATIM 0-255 SAMPLE START TIME (LSR) ACV3 ATIB 0-255 SAMPLE START TIME (BOT) ACV4 AH51 0-255 OSD H POS 50 (L & R) ACV5 AH52 0-255 OSD H POS 50 (UP & BOTTOM)
Page 35
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 Item Data Register Device Display Item Range Values Name 00~01 DYNAMIC COLOR 00~03 GAMMA 00~01 DC-TRANSIENT 00~07 DELAY CTRL(PAL) 00~07 DELAY CTRL(NTSC) 00~07 DELAY CTRL(SECAM) 00~07 DELAY AT DVD(50Hz) 00~07 DELAY AT DVD(60Hz) 00~0F SUB-CONTRAST 00~0F SUB-COLOR(OTHER)
Page 36
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 Item Data Register Device Display Item Range Values Name 00~3F CORING 00~3F DSC OFFSET 00~3F DSC GAIN 00~01 DELAY TIME 00~0F SEL PIN DELAY SDA9189X 00~FF H POSITION(MSB 8bit) 00~FF V POSITION 00~1F HSI DELAY 00~01 DECIMATION FILTER...
Page 37
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 Item Data Register Device Display Item Range Values Name 00~07 USER SET UP 00~01 D/K STEREO SEARCH 00~01 NO SYNC MUTE 00~01 DISABLE DEGAUSS 00~01 DISABLE WIDEZOOM 00~01 BASS CENTER SHIFT 00~01 BASS VOLUME SHIFT 00~03 WOOFER OFF BASS SHIFT...
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 MAIN DEFLECTION ADJUSTMENT 5-4. REGISTRATION (CONVERGENCE) 1) Adjust VSP V-Lin. ADJUSTMENT METHOD Correct linearity of the horizontal top and bottom lines. PAL REGISTRATION ADJUSTMENT VSP VLINE 1) Receive the PAL SPCB signal. 2) Select Service mode and enter adjustment items for Green signal.
Page 39
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 SUB DEFLECTION ADJUSTMENT ITEM VERTICAL LINE ADJUSTMENT 1. Carefully watching out for the GH CENT screen centre Adjustment O : Yes – : No section, adjust GH CENT, GH BOW, GH SKEW. Adjustment type 2. GH 4th Bow adjustment. Correct the corner distortion which...
Page 40
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 HORIZONTAL LINE ADJUSTMENT HORIZONTAL SIZE ADJUSTMENT 1. Finely adjust the centre position of the vertical line at the 1. Adjust with GH MSIZE, so that the sizes of both edges centre of the screen with GV CENT.
Page 41
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 GREEN VERTICAL SIZE ADJUSTMENT GREEN HORIZONTAL QUATERNARY ADJUSTMENT 1. Adjust GV MSIZE so that the sizes at the top and bottom 1. Adjust GH 4PIN, to correct the 4th order distortion. and centre are equal. 2. Adjust GH 4SBO to balance and correct the 4th order dis- 2.
Page 42
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 GREEN HORIZONTAL SYMMETRICAL PIN GREEN VERTICAL 4TH ORDER DISTORTION DISTORTION ADJUSTMENT ADJUSTMENT 1. Adjust GH MPIN to correct pin distorton at both edges of 1. By using GV 4 PIN, 4th-Order distortion of the horizontal the centre section.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 GREEN VERTICAL ASYMMETRICAL PIN DISTORTION GREEN AND BLUE ADJUSTMENT (2ND-ORDER DISTORTION) ADJUSTMENT 1. Adjust so that the blue and green lines are on top of each 1. Correct the asymmetrical pin distortion at the top and bot- other.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 5-6. WHITE BALANCE ADJUSTMENT SUB HUE ADJUSTMENT (SH1, SH2) 1. Receive the monoscope signal and adjust the picture qual- 1. Input a NTSC color-bar. ity with the menu. 2. Set the following condition: 2. Adjust service mode S-BRIGHT so that the signal 20 IRE PICTURE 100%, BRIGHTNESS 50%, COLOR 50%.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 KP-EF41ME3/MN3/SN3, EF48MN3/SN3 KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 RM-871 RM-871 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAMS CN401 (SURROUND) SUB VIDEO IC2201 (U-COM,Y/C JUNGLE,AUDIO PROCESSOR,SECAM DEC) IC301 D/A CONVERTER Y/C/J CN405 S DAT SYNC SEPA TV-SYNC CV IN R OUT RED DRIVE...
Page 47
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 RM-871 CN3501 TEXT SEL (TEXT) GREEN TO P1 BOARD BLUE IC3501 CN2401 TEXT GENERATOR CN3502 R BUFF R OUT Q3507 X IN X3501 G BUFF G OUT GREEN 12MHz Q3509 X OUT (DVD IN) B BUFF...
Page 48
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 RM-871 (RED AMP) (GREEN AMP) (BLUE AMP) RED AMP Q704,703 V901 GREEN AMP V902 BLUE AMP V903 PICTURE TUBE Q733,732 PICTURE TUBE Q762,763 PICTURE TUBE Q701 HV R HV G HV B CN703 CN706 CN736...
6-2. FRAME SCHEMATIC DIAGRAM R-Y IN S DAT S DAT B-Y IN (SURROUND) S CLK S CLK CN2401 CN2801 CN2902 CN2004 CN403 CN407 CN1002 S SYS1 Y IN S SYS2 WHT-L :S-MICRO :S-MICRO :S-MICRO :S-MICRO :S-MICRO :S-MICRO :S-MICRO R-Y OUT :S-MICRO L IN L IN...
(2) Schematic Diagram of AG (2/3) Board • AG (2/3) BOARD MARK LIST Ref No. AUS / GE / NZ MODEL ME MODEL IC1003 CXP85452-214Q-TL CXP85452-229Q-TL CN401 C1001 :S-MICRO C1002 CH:CHIP 100p CH:CHIP R1069 1k :CHIP C1004 100p CH:CHIP R1070 1k :CHIP IC1001 M24C08MN6T(A)
(5) Schematic Diagram of D Board VAR OUT CN1807 CN1808 CN1601 CENTER SP IN / SURROUND OUT :S-MICRO :S-MICRO :S-MICRO J1601 TB1601 TO H2 BOARD CN3204 HP AUDIO R Q1612 IC1602 DTC143TKA HEATSINK AUDIO AMP TDA7264 MUTE C1601 AUDIO MAIN AMP 0.001 C1661 L1601...
(7) Schematic Diagrams of H1, H2, S, ZG and ZR Boards CN1434 CN1405 T0 E BOARD CN503 TO E BOARD CN504 G-H(+) R-H(+) H(MID) DY(H) H(MID) DY(H) G-H(-) H.IN R-H(-) (KEY,LED,AC SW) H.IN CN1433 V.IN V.IN CN3004 SUB DY CN1404 WHT-L SUB DY :S-MICRO...
(8) Schematic Diagrams of G and UG Boards CN6006 CN6007 4B2P 5B3P TO H1 BOARD TO H1 BOARD CN3003 CN3004 CN2901 R6002 8.2M WHT-L :S-MICRO C6007 0.0022 DVD Y 250V D2901 R2901 C2901 R2902 UDZ-9.1B R6024 R6026 (POWER SUPPLY) :CHIP :CHIP PROT 0.22...
Page 63
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 RM-871 [ POWER SUPPLY ] [ DVD IN ] — UG BOARD — — G BOARD — UG BOARD Terminal name of semiconductors in silk screen printed circuit ( Ref. D2901-D2905 : Refer to Terminal name of...
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 SECTION 7 EXPLODED VIEWS NOTE: • The construction parts of an assembled part are indicated with a collation number in the remark The components identified by • Items with no part number and no description are column.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 The components identified by 7-2. CABINET AND PANEL BLOCK (KP-EF41) shading and mark are criti- cal for safety. Replace only with part number : 7-685-663-79 +BVTP 4X16 specified. : 7-685-663-71 +BVTP 4X16 : 7-685-648-79 +BVTP 3X12 CHASSIS AND...
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 The components identified by 7-3. CHASSIS AND PICTURE TUBE BLOCK (KP-EF41) shading and mark are criti- cal for safety. Replace only with part number : 7-685-663-71 +BVTP 4X16 specified. : 7-685-648-79 +BVTP 3X12 REF. NO. PART NO.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 The components identified by 7-5. CABINET AND PANEL BLOCK (KP-EF48) shading and mark are criti- cal for safety. Replace only with part number : 7-685-663-71 +BVTP 4X16 specified. : 7-685-648-79 +BVTP 3X12 CHASSIS AND PICTURE TUBE BLOCK REF.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 The components identified by 7-6. CHASSIS AND PICTURE TUBE BLOCK (KP-EF48) shading and mark are criti- cal for safety. Replace only with part number : 7-685-663-71 +BVTP 4X16 specified. : 7-685-648-79 +BVTP 3X12 REF. NO. PART NO.
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 RM-871 SECTION 8 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- NOTE: • The components identified by in this manual have been When indicating parts by reference number, carefully factory-selected for each set in order to satisfy please include the board name.
Page 79
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 The components identified by RM-871 shading and mark are criti- cal for safety. Replace only with part number AG G specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------...
Page 80
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 The components identified by RM-871 shading and mark are criti- cal for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- -------------------...
Page 81
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 The components identified by RM-871 shading and mark are criti- cal for safety. Replace only with part number G CG specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------...
Page 82
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 The components identified by RM-871 shading and mark are criti- cal for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- ------------------- ------------- <SPARK GAP>...
Page 87
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 The components identified by RM-871 shading and mark are criti- cal for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- -------------------...
Page 89
• The components identified by KP-EF41ME3/MN3/SN3, EF48MN3/SN3 this manual have been carefully The components identified by RM-871 factory-selected for each set in order shading and mark are criti- to satisfy regulations regarding X- cal for safety. ray radiation. Should replacement...
Page 91
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 The components identified by RM-871 shading and mark are criti- cal for safety. Replace only with part number E H1 specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------...
Page 93
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 The components identified by RM-871 shading and mark are criti- cal for safety. Replace only with part number ZG S specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------...
Page 95
KP-EF41ME3/MN3/SN3, EF48MN3/SN3 The components identified by RM-871 shading and mark are criti- cal for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- ------------ ------------- -------------------...