Sharp 14U-FM1 Service Manual Download | Manualshive

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14U-FM1
CU14FM1

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MODEL CU14FM1 SCHEMATIC DIAGRAM: MAIN Unit

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Summary of Contents for 14U-FM1

Page 1: ...TIC DIAGRAMS 32 PRINTED WIRING BOARD ASSEMBLIES 38 REPLACEMENT PARTS LIST 41 PACKING OF THE SET 47 CONTENTS SPEAKER SIZE 5 x 9 cm VOICE COIL IMPEDANCE 16 ohm at 400 Hz ANTENNA INPUT IMPEDANCE VHF UHF 75 ohm Unbalanced TUNING RANGES VHF Channels 2 thru 13 UHF Channels 14 thru 69 CATV Channels 1 thru 125 EIA Channel Plan U S A POWER INPUT AC 120 V 60 Hz POWER RATING 70 W PICTURE SIZE 607 cm2 94sq in...

Page 2: ...th a meter to be certain that the high voltage does not exceed the specified value and that it is regulating correctly 5 Do not use a picture tube other than that specified or make unrecommended circuit modifications to the high voltage circuitry 6 When trouble shooting and taking test measurements on a receiver with excessive high voltage avoid being unnecessarily close to the receiver Do not ope...

Page 3: ...partment covers or shields isolation resistor capacity networks mechanical insulators 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 ...

Page 4: ...e que celui spécifié et ne pas effectuer de modifications déconseillées du circuit à haute tension 6 Lors de la recherche des pannes et des mesures d essai sur un récepteur qui présente une haute tension excessive éviter de s approcher inutilement du récepteur Ne pas faire fonctionner le récepteur plus longtemps que nécessaire pour localiser la cause de la tension excessive AVERTISSEMENT 1 N entre...

Page 5: ...èces de remplacement étalonnées pour haute tension puissance etc Les pièces de remplacement qui présentent ces caractéristiques sont identifiées dans ce manuel les pièces électriques qui présentent ces particularités sont PRECAUTIONS A PRENDRE LORS DE LA REPARATION Suite 1 Inspecter tous les faisceaux de câbles pour s assurer que les fils ne soient pas pincés ou qu un outil ne soit pas placé entre...

Page 6: ...previous channel VOLUME UP DOWN Increases sound Decreases sound In men u mode changes or selects the TV adjustments MUTE Press Mutes sound Press again Restores sound CLOSED CAPTION appears when sound is muted Infrared Transmitter Window INPUT Press Switch to external video input mode Press again Switch to TV mode CHANNEL UP DOWN Selects next higher channel Selects next lower channel Moves the mark...

Page 7: ...en 7 If the operation 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 ...

Page 8: ...d to 4 modes as follows by key input MENU SERVICE MODE 6 AFT processing is disabled during service mode PLL setting data is set to fo data 7 All user data are set to default during service mode FAO and SPEAKER user settings are off and on respectively in service mode Energy Save is off 8 Sleep timer View timer and Off timer are inactivated in Service mode 9 Sound is muting in service mode except a...

Page 9: ...p VIF VCO 0 63 32 V11 R CUTOFF 1 Chip R CUTOFF 0 255 127 V12 G CUTOFF 1 Chip G CUTOFF 0 255 127 V13 B CUTOFF 1 Chip B CUTOFF 0 255 127 V14 R DRIVE 1 Chip R DRIVE 0 127 64 V15 B DRIVE 1 Chip B DRIVE 0 127 64 V16 SUB COLOR YUV 1 Chip COLOR 0 127 64 V17 SUB TINT YUV 1 Chip BASEBAND TINT 0 127 64 V18 CC POS Micron 0 255 32 V19 Vertical mode 1 Chip V MUTE SERVICE 0 1 2 0 V20 SUB VOL 1 Chip A ATT 0 127 ...

Page 10: ...tting value 5 Increase RF AGC 1chip data when AFT input voltage is at max 0 3V point adjustment is completed 6 When adjustment completed OSD display and RF AGC self adjustment status data of EEPROM are updated 7 Intelligent monitor output and IM input mode are recovered PIF VCO 1 When there is PIF VCO self adjustment key input for adjustment item PIF VCO self adjustment is performed 2 VIF DEF 1chi...

Page 11: ...B DRI R OFFSET B DRI OFFSET 32 32 0 F23 B DRI B OFFSET B DRI OFFSET 32 32 0 F24 V FREE 1chip V FREE 0 1 0 F25 GAMMA 1chip GAMMA 0 3 0 F26 TRAP TV 1chip TRAP FINE 0 3 2 F27 TRAP AV 1chip TRAP FINE 0 3 2 F28 H FREE 1chip H FREE 0 1 0 F29 1W TV 1chip V Window 0 1 0 F30 1W AV 1chip V Window 0 1 0 F31 YLPF 1chip YSW LPF 0 1 1 F32 BS D 1chip BS DISCHARGE 0 3 0 F33 BS C 1chip BS CHARGE 0 3 0 F34 SL TV 1c...

Page 12: ...N 1 O11 FAV COL FAV COL COL TEMP 1 O12 COMPONENT Without COMPONENT With COMPONENT 1 O13 AV Without AV With AV 1 O14 AV2 AV1 system AV2 system 1 O15 MTS Without MTS With MTS 1 O16 TONE CTRL Without S ADJ With S ADJ 1 O17 AUTO OFF Without AUTO OFF With AUTO OFF 1 O18 INIT LANG ENGLISH SPANISH 0 O19 SETUP FLAG NO SETUP AUTO SETUP 1 O20 FR AV Front 2 Rear AV 3 Display FRONT A V INPUTS and REAR A V INP...

Page 13: ...OLOR COLOR 0 127 64 V04 SUB BRIGHT BRIGHT 0 255 128 V05 SUB SHARP VIDEO TONE 0 63 32 V06 V SHIFT V SHIFT 0 7 7 V07 H SHIFT H PHASE 0 31 16 V08 RF AGC RF DELAY 0 127 127 V09 V SIZE V SIZE 0 63 32 V10 PIF VCO VIF VCO 0 63 32 V11 R CUTOFF R CUTOFF 0 255 64 V12 G CUTOFF G CUTOFF 0 255 64 V13 B CUTOFF B CUTOFF 0 255 64 V14 R DRIVE R DRIVE 0 127 64 V15 B DRIVE B DRIVE 0 127 64 V16 SUB COLOR YUV COLOR 0 ...

Page 14: ... 32 32 0 F21 B DRI R2 B DRI OFFSET 32 32 0 F22 B DRI R B DRI OFFSET 32 32 0 F23 B DRI B B DRI OFFSET 32 32 0 F24 V FREE V FREE 0 1 0 F25 GAMMA GAMMA 0 3 0 F26 TRAP TV TRAP FINE 0 3 2 F27 TRAP AV TRAP FINE 0 3 2 F28 H FREE H FREE 0 1 0 F29 1W TV V WINDOW 0 1 0 F30 1W AV V WINDOW 0 1 0 F31 YLPF YSW LPF 0 1 1 F32 BS D BS DISCHARGE 0 3 0 F33 BS C BS CHARGE 0 3 0 F34 SL TV S SLICE DOWN 0 3 0 F35 SL AV ...

Page 15: ...ON 1 007 UNIV UNIV OFF ON 1 008 VIEW TIMER VIEW TIMER OFF ON 1 009 EZ SETUP EZ SETUP AUTO PRESET 1 010 PON CH POWER ON OFF 0N 1 011 FAV COL FAV COL COL TEMP 1 012 COMPONENT COMPONENT OFF ON 1 013 AV AV OFF ON 1 014 AV2 AV2 OFF ON 1 015 MTS MTS OFF ON 1 016 TONE CTRL S ADJ OFF ON 1 017 AUTO OFF AUTO OFF OFF ON 1 018 INIT LANG ENGLISH SPANISH 1 019 SETUP FLAG NO SET UP AUTO SET UP 1 020 AV FR 0 NO A...

Page 16: ...OL 1 COL TEMP 018 0 ENGLISH 1 SPANISH 019 0 NO SET UP 1 AUTO SETUP OPTION SET UP REFER AS BELOW STEP RANGE REFER AS BELOW 14UFM1 OSD CHECKING ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE DATA SETUP FOR FIRST AND SECOND STAGE SERVICE DATA FUNCTION V05 F13 F14 F16 F17 F30 F34 F38 F40 F49 SHARP Y DL TV Y DL AV TINT AV COL AV 1W...

Page 17: ...ON CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE H POSITION V07 STEP RANGE 0 31 I 2 C BUS CONTROL OPTION SET UP BUS SET UP CRT PURITY US 4 CH LION HEAD MONOSCOPE AC 120V US MAGNETIC FIELD CONFIRMATION BY CRT SCREEN CONNECT THE DIGITAL VOLTMETER AND MEASURE B LINE VOLTAGE COMFIRMATION 130 0 5VDC CHECKING SPEC 130V 0 8 VDC 1 ADJUST THE V07 BUS DATA TO HAVE A BALA...

Page 18: ... 4 CH LION HEAD AC 120V CONFIRMATION BY CRT SCREEN ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE V PHASE V06 STEP RANGE 0 7 I 2 C CONTROL OPTION SET UP BUS SET UP CRT PURITY US 4 CH LION HEAD MONOSCOPE PATTERN 120V RF INPUT ZERO MAGNETIC FIELD CONFIRMATION ON CRT SCREEN CHECKING SPEC OVERSCAN 10 2 5 ADJUST V06 BUS DATA TO HAV...

Page 19: ...P RANGE 0 255 I 2 C CONTROL OPTION SET UP BUS SET UP US 4 CH LION HEAD AC 120V CONFIRMATION ON CRT DISPLAY ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE H VCO V21 STEP RANGE 0 7 I 2 C CONTROL OPTION SET UP BUS SET UP NO SIGNAL RASTER CONDITION AC 120 IC 801 PIN 11 CHECKING SPEC LEFT AND RIGHT SYMMETRICAL 1 GO TO SERVICE MODE ...

Page 20: ...ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE RF AGC V08 STEP RANGE 0 127 I 2 C CONTROL OPTION SET UP BUS SET UP US10CH HALF COLOR BAR RF INPUT FIELD STRENGTH 56dBµV FIX TUNER AGC TERMINAL TP 201 OR CRT DISPLAY CONFIRMATION CHECKING SPEC 2 5 0 5 V DC CHECKING SPEC 2 50 1 5V AT SELF ADJUSTMENT MODE 1 GO TO SERVICE MODE 2 GO TO SERVICE DA...

Page 21: ... HEAD 120V CONFIRMATION ON CRT DISPLAY ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE WHITE BALANCE V14 V15 V11 V12 V13 STEP RANGE 0 127 0 255 I 2 C BUS CONTROL OPTION SET UP BUS SET UP SCREEN 23CH 501RE WINDOW PATTERN 120V CRT SCREEN DISPLAY VOLTAGE CONFIRMATION 1 WHITE HIGH BEAM FIRST LET THE GUM POINT AT BLACK POSITION AS D...

Page 22: ...CRT SCREEN DISPLAY ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE SUB PICTURE V01 STEP RANGE 0 127 I 2 C BUS CONTROL OPTION SET UP BUS SET UP SCREEN WHITE BALANCE SUB BRIGHTNESS WINDOW PATTERN 120V CRT SCREEN DISPLAY VOLTAGE CONFIRMATION BRIGHTNESS Y 0 5 cd m2 THEN STEP DOWN MORE 4 STEP 1 LET THE GUN POINT AT WHITE POSITION AS...

Page 23: ... TR BASE TP851 CONFIRRM WITH OSCILLOSCOPE ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE SUB COLOR V03 STEP RANGE 0 127 I 2 C BUS CONTROL OPTION SET UP BUS SET UP VCO ADJ RF AGC SUB PICT SUB TINT US 10 CH HALF COLOR BAR PATTERN 120V R AMP TR BASE TP854 CONFIRRM WITH OSCILLOSCOPE CONFIRMATION 1 SET THE V03 BUS DATA TO GET A WAV...

Page 24: ...SCOPE PATTERN AC 120V RF INPUT CONFIRMATION BY THE CRT ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE HIGH VOLTAGE STEP RANGE AFTER ALL ADJUSTMENT FINISHED US 4 CH LION HEAD MONOSCOPE PATTERN AC 130V RF INPUT R AMP TR BASE TP854 CONFIRRM WITH OSCILLOSCOPE SET THE USER CONTROL TO SHIPMENT SETTING POSITION PUSH ON Y MUTE BY R C ...

Page 25: ...NT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE TRI VISION STEP RANGE AFTER ALL ADJUSTMENT FINISHED RATING SYS DOWNLOAD SIGNAL A B PRCC SIG INCLUDED SIGNAL AC 120V RF INPUT CONFIRMATION BY CRT SCREEN VOLTAGE CONFIRMATION DOWNLOADING CONFIRMATION 1 RECEIVE THE DOWNLOAD A SIGNAL 2 SELECT V CHIP CONTROL MENU THEN ON THE DOWNLOAD 3 UNPLUG THE AC THEN PLUG AGAIN 4 BACK TO V CHIP CONTROL MENU CHECK THE D...

Page 26: ...26 14U FM1 CU14FM1 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT ...

Page 27: ...27 14U FM1 CU14FM1 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 1 ...

Page 28: ...28 14U FM1 CU14FM1 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL 14U FM1 BLOCK DIAGRAM 2 ...

Page 29: ...29 14U FM1 CU14FM1 17 16 19 18 15 14 13 12 11 10 ...

Page 30: ...30 14U FM1 CU14FM1 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL CU14FM1 BLOCK DIAGRAM 2 ...

Page 31: ...31 14U FM1 CU14FM1 17 16 19 18 15 14 13 12 11 10 ...

Page 32: ...ue cathodes of the picture tube depend on the tint color level and picture control 2 indicates waveform check points See chart waveforms are measured from point indicated to chassis ground å AND SHADED COMPONENTS SAFETY RELATED PARTS ç MARK X RAY RELATED PARTS DRGANNES MARQUES åET HACHRES PIECES RELATIVES A LA SECURITE MARQUE ç PIECS RELATIVE AUX RAYONS X This circuit diagram is a standard one pri...

Page 33: ...33 14U FM1 CU14FM1 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit ...

Page 34: ...34 14U FM1 CU14FM1 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL 14U FM1 SCHEMATIC DIAGRAM MAIN Unit ...

Page 35: ...35 14U FM1 CU14FM1 17 16 19 18 15 14 13 12 11 10 ...

Page 36: ...36 14U FM1 CU14FM1 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL CU14FM1 SCHEMATIC DIAGRAM MAIN Unit ...

Page 37: ...37 14U FM1 CU14FM1 17 16 19 18 15 14 13 12 11 10 ...

Page 38: ...38 14U FM1 CU14FM1 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Side ...

Page 39: ...39 14U FM1 CU14FM1 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Page 40: ...40 14U FM1 CU14FM1 6 5 4 3 2 1 A B C D E F G H PWB B CRT Unit Wiring Side PWB B CRT Unit Chip Parts Side ...

Page 41: ... as the factory recom mended replacement parts shown in this service manual may create shock fire or other hazards HOW TO ORDER REPLACEMENT PARTS To have your order filled promptly and correctly please furnish the fol lowing informations 1 MODEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION in USA Contact your nearest SHARP Parts Distributor to order For location of SHARP Parts Distributor Please call T...

Page 42: ...L603 RCiLZA006WJZZ R Coil AH å L701 RCiLF0078PEZZ R Coil AF å L703 RCiLF0078PEZZ R Coil CU14FM1 AF L751 RCiLP0225CEZZ J Coil AF L801 VP DF100K0000 J Peaking 10µH AB L802 VP DF100K0000 J Peaking 10µH AB L803 VP DF100K0000 J Peaking 10µH AB L804 VP XF150K0000 J Peaking 15µH AB L806 VP DF100K0000 J Peaking 10µH AB L807 VP XF1R2K0000 J Peaking 1 2µH AB TRANSFORMERS å T602 RTRNFA011WJZZ R H Volt Transf...

Page 43: ... J 100p 50V Ceramic AA C842 VCEA9M1HW474M J 0 47 50V EL AB C843 VCEA9M1HW105M J 1 0 50V EL AB C845 VCKYCY1CF224Z J 0 22 16V Ceramic AA C846 VCKYCY1HF103Z J 0 01 50V Ceramic AA C847 VCCCCY1HH220J J 22p 50V Ceramic AA C848 VCEA0A1HW105M J 1 0 50V EL AB C849 VCFYFA1HA223J J 0 022 50V Mylar AB C855 VCKYCY1HB561K J 560p 50V Ceramic AA C856 VCKYPA1HB102K J 1000p 50V Ceramic AA C1001 VCEA0A0JW107M J 100 ...

Page 44: ...682F J 6 8k 1 8W M Film AA R753 VRD RM2HD124J J 120k 1 2W Carbon AA R754 VRN VV3DB8R2J J 8 2 2W M Film AB R755 VRS VV3DB150J J 15 2W M Ox AA R756 VRS VV3DB121J J 120 2W M Ox AA R759 VRS VV3DB101J J 100 2W M Ox AA R766 VRS CY1JF333J J 33k 1 16W M Ox AA R767 VRD RA2BE103J J 10k 1 8W Carbon AA R768 VRS CY1JF332J J 3 3k 1 16W M Ox AA R801 VRS CY1JF243J J 24k 1 16W M Ox AA R802 VRS CY1JF682J J 6 8k 1 1...

Page 45: ...DA701 PRDAR0118GJFW R Heat Sink for Q701 AD LHLDW1047PEZZ R Holder AB LHLDW1064PEKZ R Holder AC LHLDW1104PEZZ R Holder AB LHLDW1105PEZZ R Holder AB LX BZ3049GEFD J Screw AA LX BZ3100CEFD J Screw AA LX TZ3004CEFD J Screw AA QCNW A228WJZZ R Connecting Cord AD QCNW A291WJZZ J Connecting Cord AD QCNW A292WJZZ J Connecting Cord AD QCNW A482WJZZ R Connecting Cord AG QCNW A483WJZZ R Connecting Cord AH QC...

Page 46: ...der AC MSPRC0005PEFW R Spring AB PSPAH0073PE00 R Spacer AB TCAUH0055PEZZ R Caution Card 14U FM1 AC TCAUS0004PEZZ R Caution Card CU14FM1 AD TCAUS0013PEZZ R Caution Card CU14FM1 AB XEBSD30P12000 J Screw AA XTASD40P20000 J Screw AA SPAKCA040WJZZ Packing Case CU14FM1 SPAKC6799PEZZ Packing Case 14U FM1 SPAKP0095PEZZ Wrapping Paper SPAKP0110PEZZ Wrapping Paper SPAKX2793PEZZ Buffer Material SSAKA0001PEZZ...

Page 47: ...OF THE SET REAR Use 22 staples fix the packing case Packing Case MARK Not replacement items FRONT Buffer Material Wrapping Paper Polyethylene Bag Operation Manual Guarantee Card 14U FM1 Batteries Serial No Label Infrared R C Unit ...

Page 48: ... in 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 SREC TQ1302 S Apr 2002 Printed in Japan MI KG SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan ...

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