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Ref. No.

Part No.

★

Description

Code

Ref. No.

Part No.

★

Description

Code

27U-S50

PWB-A: DUNTKA462WEA0

MAIN UNIT (Continued)

or
VSS-1
or
VSSTP6NC60FP
or
VSSTP7NB60FP

Q704

VS2SD601AR/-1

J 2SD601AR

or
VS2SC3928R/-1

Q705

VS2SC3198-Y-1

J 2SC3198-Y

or
VS2SC945AQ/-1

Q752

VS2SC3198-Y-1

J 2SC3198-Y

or
VS2SC945AQ/-1

Q1403 VS2SC3928R/-1

J 2SC3928R

or
VS2PD601ARQ-1

Q1440 VS2SD601AR/-1

J 2SD601AR

Q2201 VS2SD601AR/-1

J 2SD601AR

or
VS2SC3928R/-1

Q2211 VS2SD601AR/-1

J 2SD601AR

or
VS2SC3928R/-1

DIODES

D52

RH-EX0676GEZZ

J Zener Diode, 32V

D101

RH-EX0616GEZZ

J Zener Diode, 5.6V

D453

RH-EX0616GEZZ

J Zener Diode, 5.1V

D455

VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

D494

VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

D495

VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

D496

VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

D497

VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

D502

RH-DX0131CEZZ

J Diode

D511

RH-DX0441CEZZ

J Diode

D632

RH-EX0630GEZZ

J Zener Diode, 9.1V

D641

RH-EX0630GEZZ

J Zener Diode, 9.1V

' å

D651

VHD1SS244//-1

J Diode

' å

D653

RH-EX0666GEZZ

J Zener Diode, 27V

D654

VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

D661

RH-DX0468CEZZ

J Diode

or
RH-DX0229CEZZ

D701

RH-DX0154CEZZ

J Diode

or
RH-DX0490CEZZ
or
RH-DX0279CEZZ

D702

RH-DX0154CEZZ

J Diode

or
RH-DX0490CEZZ
or
RH-DX0279CEZZ

D703

RH-DX0154CEZZ

J Diode

or
RH-DX0490CEZZ
or
RH-DX0279CEZZ

D704

RH-DX0154CEZZ

J Diode

or
RH-DX0490CEZZ
or
RH-DX0279CEZZ

D707

VHD1SS119//-1

J Diode

or
VHD1SS244//-1

D708

VHD1SS119//-1

J Diode

or
VHD1SS244//-1

D709

RH-DX0229CEZZ

J Diode

D712

RH-DX0532CEZZ

X Diode

or
RH-DX0302CEZZ
or
RH-DX0468CEZZ
or
RH-DX0487CEZZ

D725

RH-DX0131CEZZ

J Diode

or
RH-DX0468CEZZ

D726

VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

D752

RH-DX0441CEZZ

J Diode

D753

RH-DX0441CEZZ

J Diode

or
RH-DX0110CEZZ

D757

VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

D758

RH-DX0131CEZZ

J Diode

D1411 RH-EX0630GEZZ

J Zener Diode, 9.1V

D1412 RH-EX0630GEZZ

J Zener Diode, 9.1V

D1413 RH-EX0630GEZZ

J Zener Diode, 9.1V

D1414 VHD1SS119//-1

J Diode

D1415 VHD1SS119//-1

J Diode

D2201 VHD1SS119//-1

J Diode

or
RH-DX0475CEZZ

VA701 RH-VX0048CEZZ

J Varistor

or
RH-VX0035CEZZ
or
RH-VX0019CEZZ
or
RH-VX0074CEZZ

PACKAGED CIRCUITS

PR701 RMPTP0092CEZZ

J Packaged Circuit

X801

RCRSAA010WJZZ X Crystal

or
RCRSB0001PEZZ

FILTERS AND COILS

CF2040 RFiLA0099CEZZ

J Ceramic Filter

SF201 RFiLC0405CEZZ

J S.A.W Filter

L201

VP-XF1R2K0000

J Peaking 1.2µH

L203

VP-XF220K0000

J Peaking 22µH

L204

RCiLi0632CEZZ

J IF Coil

L301

VP-XF150K0000

J Peaking 15µH

L601

RCiLZ0102MEZZ

J Coil

or
RCiLZ0101MEZZ

L701

RCiLF0078PEZZ

R Coil

or
RCiLF0025PEZZ

L705

RCiLP0179CEZZ

J Coil

L2040 RCiLB0131CEZZ

J Oscillation Coil

TRANSFORMERS

T601

RTRNZ0057PEZZ

R Transformer

or
RTRNZ0731CEZZ

Содержание 27U-S50

Страница 1: ...ublished to be used for after sales service only The contents are subject to change without notice MODEL POWER INPUT 120 V AC 60 Hz POWER RATING 105 W PICTURE SIZE 2 187cm2 339sq inch CONVERGENCE Magnetic SWEEP DEFLECTION Magnetic FOCUS Hi Bi Potential Electrostatic INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45 75 MHz Sound IF Carrier Frequency 41 25 MHz Color Sub Carrier Frequency 42 1...

Страница 2: ...f this meter should be checked periodically 3 High voltage should always be kept at the rated value no higher Operation at higher voltages may cause a failure of the picture tube or high voltage circuitry and also under certain conditions may produce radiation in exceeding of desirable levels 4 When the high voltage regulator is operating properly there is no possibility of an X radiation problem ...

Страница 3: ...works mechanical insulators and etc 3 To be sure that no shock hazard exists check for leakage current in the following manner Plug the AC cord directly into a 120 volt AC outlet Do not use an isolation transformer for this test Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by a 0 15µF capacitor in series with all exposed metal cabinet parts and a known earth ground such as e...

Страница 4: ...cts next higher channel Selects next lower channel Moves the mark of the MENU screen MENU Press Accesses MAIN MENU Press again Exits MAIN MENU DISPLAY Press Displays receiving channel for four seconds Press again Removes display Temporarily displays receiving channel when in Closed Caption mode Basic Remote Control Functions TV POWER Press On Press again Off REMOTE KEYPAD Accesses any channel from...

Страница 5: ...tion of the horizontal oscillator does not stop in step 5 the circuit must be repaired before the set is returned to the customer HIGH VOLTAGE CHECK High voltage is not adjustable but must be checked to verify that the receiver is operating within safe and efficient design limitations as specified checks should be as follows 1 Connect an accurate high voltage meter between ground and anode of pict...

Страница 6: ...ideo adjustment menu to ensure customer control are in their proper reset position 2 Service number selection In the service mode you will see the window screen as window 1 There are 4 adjustment categories 2DEF 3SIGNAL 4FEATURE 5FIX VALUE as show in Figure A Press CH UP DOWN button for selection and enter by VOL UP or VOL DOWN Press CH UP DOWN button to select the adjustment item and VOL UP DOWN ...

Страница 7: ...1 OPTION 1 00 FF B1 B1 F02 OPTION 2 00 FF 07 27 F03 E SAVE 00 3F 2A 2A F04 TUNER SETUP 00 01 00 00 F05 R TONE RD 00 7F 03 03 F06 R TONE BD 00 7F 7C 7C F07 B TONE RD 00 7F 00 00 F08 B TONE BD 00 7F 04 04 F09 FM LEVEL 00 1F 16 16 F10 AFC GAIN 00 01 00 00 F11 G DRIVE 00 0F 0F 0F F12 FBT BLK SW 00 01 01 01 F13 V COMP 00 07 07 07 F14 OSD CONT 00 03 01 01 F15 SHARPNESS 00 3F 0D 1 F16 FLT SYS 00 07 01 01...

Страница 8: ...00 07 03 Must be 4 S03 Y MUTE 00 03 00 01 Y MUTE 02 V STOP Y MUTE 03 Activate color killer circuit S04 SUB BIAS 00 FF 30 Must be 30 S05 R BIAS 00 FF 00 S06 G BIAS 00 FF 00 S07 B BIAS 00 7F 00 S08 R DRIVE 00 7F 53 S09 B DRIVE 00 7F 53 S10 CONTRAST 00 7F 5A S11 TINT 00 7F 40 S12 COLOR 00 7F 40 S13 BRIGHTNESS 00 7F 40 S14 BRIGHTNESS 2 00 7F 40 SERVICE POSITION ADJUST ITEM DATA RANGE INITIAL VALUE ADJ...

Страница 9: ... level 00 2 35 Vdc GND 4 Select the service adjustment S03 and set the data value to 01 to turn off the luminance signal Y mute 5 Select the service adjustment S14 and adjust the data value to obtain 2 35 volts as shown in Figure B 6 Adjust the master screen control until the raster darkens to the point where raster is barely seen 7 Adjust the service adjustment S05 red S06 green S07 blue to obtai...

Страница 10: ... voltmeter is minimum 5 Receive the following composite stereo signal 2 Stereo signal 30 modulation left channel only noise reduction on 3kHz 6 Enter the service mode and select the service adjustment M05 7 Adjust the data until the AC voltage reading of the rms voltmeter is minimum 8 Take the above steps 1 thru 7 again for fine adjustment Vertical Size V Linearity and V S Correction Adjustments 1...

Страница 11: ...11 27U S50 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT ...

Страница 12: ...12 27U S50 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM ...

Страница 13: ... normal picture unless otherwise indicated 2 All voltages measured with 1000µ V B W or Color signal WAVEFORM MEASUREMENT CONDITIONS 1 Photographs taken on a standard gated color bar signal the tint setting adjusted for proper color The wave shapes at the red green and blue cathodes of the picture tube depend on the tint color level and picture control 2 indicates waveform check points See chart wa...

Страница 14: ...15 27U S50 14 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit ...

Страница 15: ...17 27U S50 16 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 16: ...18 27U S50 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit ...

Страница 17: ...19 27U S50 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES PWB B CRT Unit Wiring Side ...

Страница 18: ...20 27U S50 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side ...

Страница 19: ...21 27U S50 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Страница 20: ...K å IC501 VHiLA7841 1 J LA7841 AM å IC701 VHiTEA1507 1 J TEA1507P N1 AL å IC702 RH FX0034CEZZ J PC817 AE or RH FX0002GEZZ or RH FX0029CEZZ å IC703 VHiSE125N 1 X SE125N AK å IC751 VHiKA7809AP 1 J KA7809API AE å IC771 VHiKA7805AP 1 J KA7805API AE or VHiTA7805S 1 IC1401 VHiMM1111XF1E J MM1111XFBE AE IC1403 VHiM52055FP 1 J M52055FP AH IC2001 RH iX3528CEZZ X TMPA8700CPF 3B AT IC2040 VHiPST994C 1 J PST9...

Страница 21: ...Z å D703 RH DX0154CEZZ J Diode AC or RH DX0490CEZZ or RH DX0279CEZZ å D704 RH DX0154CEZZ J Diode AC or RH DX0490CEZZ or RH DX0279CEZZ D707 VHD1SS119 1 J Diode AB or VHD1SS244 1 D708 VHD1SS119 1 J Diode AB or VHD1SS244 1 å D709 RH DX0229CEZZ J Diode AF å D712 RH DX0532CEZZ X Diode AF or RH DX0302CEZZ or RH DX0468CEZZ or RH DX0487CEZZ å D725 RH DX0131CEZZ J Diode AC or RH DX0468CEZZ D726 VHD1SS119 1...

Страница 22: ...F104Z J 0 1 25V Ceramic AA å T602 RTRNF0049MEZZ X H Volt Transformer AY or RTRNFA004WJZZ å T702 RTRNW0001GJZZ X Transformer AN CAPACITORS EL Electrolytic M Poly Metalized Polypro Film C51 VCEA0A1AW108M J 1000 10V EL AC C53 VCEA0A1HW105M J 1 0 50V EL AB C54 VCEA0A1HW475M J 4 7 50V EL AB C101 VCEA0A1CW476M J 47 16V EL AB C201 VCKYCY1HF103Z J 0 01 50V Ceramic AA C202 VCKYCY1HF103Z J 0 01 50V Ceramic ...

Страница 23: ... VRS CY1JF102J J 1 0k 1 16W M Ox AA R305 VRS CY1JF152J J 1 5k 1 16W M Ox AA R306 VRS CY1JF333J J 33k 1 16W M Ox AA R308 VRS CY1JF101J J 100 1 16W M Ox AA R354 VRS CY1JF103J J 10k 1 16W M Ox AA R355 VRS CY1JF000J J 0 1 16W M Ox AA R357 VRS CY1JF822J J 8 2k 1 16W M Ox AA R359 VRS CY1JF000J J 0 1 16W M Ox AA R401 VRS CY1JF101J J 100 1 16W M Ox AA R402 VRS CY1JF101J J 100 1 16W M Ox AA R403 VRS CY1JF1...

Страница 24: ...J J 22k 1 16W M Ox AA R2024 VRD RA2BE682J J 6 8k 1 8W Carbon AA R2025 VRD RA2BE682J J 6 8k 1 8W Carbon AA R2026 VRD RA2BE682J J 6 8k 1 8W Carbon AA R2027 VRD RA2BE682J J 6 8k 1 8W Carbon AA R2028 VRD RA2BE102J J 1 0k 1 8W Carbon AA R2029 VRS CY1JF103J J 10k 1 16W M Ox AA R2032 VRD RA2BE471J J 470 1 8W Carbon AA R2033 VRD RA2BE684J J 680k 1 8W Carbon AA R2034 VRS CY1JF684J J 680k 1 16W M Ox AA R204...

Страница 25: ... 1 8W Carbon AA å R873 VRS VV3LB123J J 12k 3W M Ox AB R874 VRD RM2HD222J J 2 2k 1 2W Carbon AA R881 VRD RA2BE102J J 1 0k 1 8W Carbon AA R882 VRD RA2BE331J J 330 1 8W Carbon AA R883 VRD RA2BE561J J 560 1 8W Carbon AA R884 VRD RA2BE152J J 1 5k 1 8W Carbon AA R895 VRD RA2BE470J J 47 1 8W Carbon AA MISCELLANEOUS PARTS P851 QPLGN0541CEZZ J Plug 5 pin GBN AB P852 QPLGN0441CEZZ J Plug 4 pin YBN AB SC851 ...

Страница 26: ...W 0167MEZZ J Connecting Cord YBN AE TCAUH3045GJZZ X Caution Card AB TLABM0002GJZZ X Model Label AB VSP9050PB40YA X Speaker x2 8cm 32ohm AK XTASD30P12000 J Screw AA XTASD40P20000 J Screw x4 AA RRMCG1324CESA J Remote Control Unit AT TGAN 0001GJZZ X Guarantee Card AB TiNS A064WJZZ X Operation Manual AK PACKING PARTS NOT REPLACEMENT ITEM SPAKC0247GJZZ Packing Case SPAKP0109GJZZ Polyethylene Mat SPAKX0...

Страница 27: ...MARK Not replacement items FRONT Buffer Material Polyethylene Mat Polyethylene Bag Operation Manual Infrared R C unit Batteries No Card Label REAR Use tape to fix the top side of packing case Use 12 staples to fix the bottom side of packing case ...

Страница 28: ... a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher D SEM P SEMEX TQ1281 S Feb 2002 Printed in Japan MI KG SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan ...

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