Service Manual
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... MOTHER ASSY 3. BLOCK DIAGRAM 5. SCHEMATIC AND PCB CONNECTION DIAGRAMS 2 6. PANEL FACILITIES 35 PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan PIONEER ELECTRONICS SERVICE INC. PIONEER ELECTRONIC [EUROPE] N.V . FOR SX-255R/KCXJ, YPWXJ, SX-205/KUXJ 7 AND SDXJ 31 11. AC240V CONTENTS 1. SPECIFICATIONS 34 8 12. Box 1760, Long Beach, CA 90801-1760, U.S.A. SAFETY INFORMATION 2. EXPLODED VIEWS, PACKING AND PARTS LIST 4. ADJUSTMENTS 26 3 8. IC INFORMATION...
... MOTHER ASSY 3. BLOCK DIAGRAM 5. SCHEMATIC AND PCB CONNECTION DIAGRAMS 2 6. PANEL FACILITIES 35 PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan PIONEER ELECTRONICS SERVICE INC. PIONEER ELECTRONIC [EUROPE] N.V . FOR SX-255R/KCXJ, YPWXJ, SX-205/KUXJ 7 AND SDXJ 31 11. AC240V CONTENTS 1. SPECIFICATIONS 34 8 12. Box 1760, Long Beach, CA 90801-1760, U.S.A. SAFETY INFORMATION 2. EXPLODED VIEWS, PACKING AND PARTS LIST 4. ADJUSTMENTS 26 3 8. IC INFORMATION...
Service Manual
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... CCI indiquent que les - (FOR USA MODEL ONLY) 1. Plug the AC line cord of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.). Electrical components having such features are identified by the California Health and Welfare agency as the PIONEER recommended replacement one, shown in the parts list in this Service Manual. The use of the product and may create shock...
... CCI indiquent que les - (FOR USA MODEL ONLY) 1. Plug the AC line cord of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.). Electrical components having such features are identified by the California Health and Welfare agency as the PIONEER recommended replacement one, shown in the parts list in this Service Manual. The use of the product and may create shock...
Service Manual
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... kept in our Master Spare Parts List. • The 22, markfound on some component parts indicates the importance of the safetyfactor of the part. EXPLODED VIEWS, PACKING AND PARTS LIST NOTES : • Parts marked by "cii) "are not in stock Their delivery time may be unavailable. Therefore, when replacing, be sure to use parts of Exterior and Packing (For SX-255R/KUXJ) Mark...
... kept in our Master Spare Parts List. • The 22, markfound on some component parts indicates the importance of the safetyfactor of the part. EXPLODED VIEWS, PACKING AND PARTS LIST NOTES : • Parts marked by "cii) "are not in stock Their delivery time may be unavailable. Therefore, when replacing, be sure to use parts of Exterior and Packing (For SX-255R/KUXJ) Mark...
Service Manual
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...SX-205/SDXJ ONLY SX-255R/KUXJ.KCXJ SX-205/XUXJ AC120y 60H. KCXJ) (AWZ8091 :SX-205/KUXJ, SDXJ) D1SA04-15 (AWZ8374 SX-235R/YPWXJ) SX-255R/KUXJ. i I !!! VOLTAGE SELECTOR 6 J27 DB820EB0 O CD (? SCHEMATIC AND PCB CONNECTION DIAGRAMS 5.1 OVERALL SCHEMATIC DIAGRAM 'KU","KC","SD'mark means to use for SX-25SR/YPWXJ models...• • ammammamalawamakmmmamamommsaamm amOmmOmammmeamma \ \ g1 a I L.. AC POWER CORD (P001015:5X-255R/KUXa KCXJ SX-205/KUXJ) AKE-116- (A001159,SX-255R/YPWXJ) (ADG1157.SX-205./SOXJ) J6 AKT1 083- Lit AKT102Sr FL AND UCOM ASSY •...
...SX-205/SDXJ ONLY SX-255R/KUXJ.KCXJ SX-205/XUXJ AC120y 60H. KCXJ) (AWZ8091 :SX-205/KUXJ, SDXJ) D1SA04-15 (AWZ8374 SX-235R/YPWXJ) SX-255R/KUXJ. i I !!! VOLTAGE SELECTOR 6 J27 DB820EB0 O CD (? SCHEMATIC AND PCB CONNECTION DIAGRAMS 5.1 OVERALL SCHEMATIC DIAGRAM 'KU","KC","SD'mark means to use for SX-25SR/YPWXJ models...• • ammammamalawamakmmmamamommsaamm amOmmOmammmeamma \ \ g1 a I L.. AC POWER CORD (P001015:5X-255R/KUXa KCXJ SX-205/KUXJ) AKE-116- (A001159,SX-255R/YPWXJ) (ADG1157.SX-205./SOXJ) J6 AKT1 083- Lit AKT102Sr FL AND UCOM ASSY •...
Service Manual
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... DC voltage at rated output. OTHERS: • a or p : Adjusting point. • -.4 : Measurement point. •The mark found on some components may be sure to refer to use parts of EXPLODED VIEWS" or "PCB PARTS LIST". 2. SCH-O ON THE SCHEMATIC DIAGRAM: • SCHAD indicates the drawing number of the parts. BASS S837 MEMORY S838 CD S839 LD/DVD S840 TUNER POWER SW. SX-255R/KUXJ, KCXJ 125V...
... DC voltage at rated output. OTHERS: • a or p : Adjusting point. • -.4 : Measurement point. •The mark found on some components may be sure to refer to use parts of EXPLODED VIEWS" or "PCB PARTS LIST". 2. SCH-O ON THE SCHEMATIC DIAGRAM: • SCHAD indicates the drawing number of the parts. BASS S837 MEMORY S838 CD S839 LD/DVD S840 TUNER POWER SW. SX-255R/KUXJ, KCXJ 125V...
Service Manual
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... (for SX - 255RZYPWXJ models. mark means to use for SX-205) To MOTHER assy (1/2) To VOL. "KL.r.'l KC. SX-255R, SX-205 • MOTHER Assy (2/2), SP SW. Assy, TRANS Assy, REG Assy and POWER SW. REC o. assy J2 O PLA' r O REC • O PLAY ,T 9m REC .2 PHONO O PHONIC) - O F PLAY REC PLAY LD 330... R202 iM 0 R232 R234 C210 JVJ N' 470 2. 01216 10-0.01 4.7/50 R204 PrO R206 I (H.SCH- 3) \ ; 83 (4.SCH-5) / O 5. . ] -40 G0 a 00O R2 05 yyµµ k R203 N .6 14-1 2 . 2V(.. MTZJ POWER AMP 6347 1,.L 0 A KPE9 305 220 03j1 RAA •2.2/50 2502078-T W3. AND HP...
... (for SX - 255RZYPWXJ models. mark means to use for SX-205) To MOTHER assy (1/2) To VOL. "KL.r.'l KC. SX-255R, SX-205 • MOTHER Assy (2/2), SP SW. Assy, TRANS Assy, REG Assy and POWER SW. REC o. assy J2 O PLA' r O REC • O PLAY ,T 9m REC .2 PHONO O PHONIC) - O F PLAY REC PLAY LD 330... R202 iM 0 R232 R234 C210 JVJ N' 470 2. 01216 10-0.01 4.7/50 R204 PrO R206 I (H.SCH- 3) \ ; 83 (4.SCH-5) / O 5. . ] -40 G0 a 00O R2 05 yyµµ k R203 N .6 14-1 2 . 2V(.. MTZJ POWER AMP 6347 1,.L 0 A KPE9 305 220 03j1 RAA •2.2/50 2502078-T W3. AND HP...
Service Manual
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... IC301 0403 0310 0402 0309 01302 01301 IC203 0406 01 10407 0315 0381 0311 0301 0305 0313 0317 0307 0303 03 0404 0401 0408 PCB SUPPORT .. 10310 CB 0300 o . To VOL. ows 0 00£7.. 11411'cot) w(ZSPN 4 Liol loir• 0._0.467•3' w,0)0, (Ow • ---- C385 L0£B . 600`i1-0 0 0 (..11...
... IC301 0403 0310 0402 0309 01302 01301 IC203 0406 01 10407 0315 0381 0311 0301 0305 0313 0317 0307 0303 03 0404 0401 0408 PCB SUPPORT .. 10310 CB 0300 o . To VOL. ows 0 00£7.. 11411'cot) w(ZSPN 4 Liol loir• 0._0.467•3' w,0)0, (Ow • ---- C385 L0£B . 600`i1-0 0 0 (..11...
Service Manual
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... otherwise noted Mt k ohm. A (IND O our 0- 7V +12V 0 5.BASS IC601(/2) N45580-0 3 4 ovr 2 8 R625 100 C605 2.2/50 o VOLUME 1363 0.015 R631 R633 75K 75K C633 = 0.082 5.BASS ON/OFF Q631 DTC14355-T...parts mounted on wi thout vol tape Is GOY M CCMA NP,CEANP TY:OFTXA SIGNAL ROUTE 010,, AUD10 SIGNAL ROUTE SCH 5 18 VOL. M:AA ohm 2.Capacitors Indicated in C.O.. ty (uF) Vol tags(V) unless otherwise noted o,oF r'Idi oatl on this PCB include all necessary parts for SX-255R) RWZ8094 0 0875 O STANDBY ,,975 IND C"^x", POWER 5871 as STANDBY IND 0. F 1 CN3I KPE12I L IN 0 TONE...
... otherwise noted Mt k ohm. A (IND O our 0- 7V +12V 0 5.BASS IC601(/2) N45580-0 3 4 ovr 2 8 R625 100 C605 2.2/50 o VOLUME 1363 0.015 R631 R633 75K 75K C633 = 0.082 5.BASS ON/OFF Q631 DTC14355-T...parts mounted on wi thout vol tape Is GOY M CCMA NP,CEANP TY:OFTXA SIGNAL ROUTE 010,, AUD10 SIGNAL ROUTE SCH 5 18 VOL. M:AA ohm 2.Capacitors Indicated in C.O.. ty (uF) Vol tags(V) unless otherwise noted o,oF r'Idi oatl on this PCB include all necessary parts for SX-255R) RWZ8094 0 0875 O STANDBY ,,975 IND C"^x", POWER 5871 as STANDBY IND 0. F 1 CN3I KPE12I L IN 0 TONE...
Service Manual
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... f,L 0830 DTC143ES RESET C831 2.2/50 SX-20 UXJ, SDXJ ONLY R862 mfr.4_ V 0 47k 777 OQ PO(WAEw,R809S4W). L at' V if, _J 0X 0 IL 0 0 a 0 0 ()Cie 0850 0.01 2V J4 D15A15-400-2651-SG 812 AKT1019 C845 0.047 C845 C847 0.047 0.047 C0.804437 SX-255R, SX-2O5 SIGNAL ROUTE AUDIO SIGNAL ROUTE 1 SCH... / d onk on 81 AC RENOCON TUNED RF ATT Dl (5 / TUNER MUTE U1 aTEON (ND / STEREO co PLL CE / ID In FUNC DA CONTROL FULL CK FUNC ST N. Assy (for SX-255R) .Io I T 5876 ASG1034 SCH-6 FL AND UCOM ASSY, POWER SW. M.M ohm 2.Capacitors Indicated fn capaeity(uF) / ...
... f,L 0830 DTC143ES RESET C831 2.2/50 SX-20 UXJ, SDXJ ONLY R862 mfr.4_ V 0 47k 777 OQ PO(WAEw,R809S4W). L at' V if, _J 0X 0 IL 0 0 a 0 0 ()Cie 0850 0.01 2V J4 D15A15-400-2651-SG 812 AKT1019 C845 0.047 C845 C847 0.047 0.047 C0.804437 SX-255R, SX-2O5 SIGNAL ROUTE AUDIO SIGNAL ROUTE 1 SCH... / d onk on 81 AC RENOCON TUNED RF ATT Dl (5 / TUNER MUTE U1 aTEON (ND / STEREO co PLL CE / ID In FUNC DA CONTROL FULL CK FUNC ST N. Assy (for SX-255R) .Io I T 5876 ASG1034 SCH-6 FL AND UCOM ASSY, POWER SW. M.M ohm 2.Capacitors Indicated fn capaeity(uF) / ...
Service Manual
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... C411 ELECT. Therefore, when replacing, be unavailable. • When ordering resistors, first convert resistance values into codeform as shown in our Master Spare Parts List. • The A, markfound on some component parts indicates the importance of the safetyfactor of identical designation. • Parts marked by " O " are 3 effective digits (such as 560 ohm and 47k ohm (tolerance is shown by...
... C411 ELECT. Therefore, when replacing, be unavailable. • When ordering resistors, first convert resistance values into codeform as shown in our Master Spare Parts List. • The A, markfound on some component parts indicates the importance of the safetyfactor of identical designation. • Parts marked by " O " are 3 effective digits (such as 560 ohm and 47k ohm (tolerance is shown by...
Service Manual
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... OTHERS V826 X826 REMOTE RECEIVER UNIT FL TUBE CERAMIC RESONATOR (7.7MHz) GP1U58X AAV7026 ASS1055 VOL. CAPACITOR NJM78M12FA CEAS010M50 PRIMARY ASSY PRIMARY Assy has no service part. 25 ASSY SEMICONDUCTOR D876 RED LED BR3371XJ30A SWITCH S876 SWITCH ASG1034 RESISTOR R876 CARBON FILM RESISTOR RD1/4PU331J SP SW. SX-255R, SX-205 Mark No. CAPACITOR CERAMIC CAPACITOR ELECT. POWER SW. Description Parts No. CAPACITOR...
... OTHERS V826 X826 REMOTE RECEIVER UNIT FL TUBE CERAMIC RESONATOR (7.7MHz) GP1U58X AAV7026 ASS1055 VOL. CAPACITOR NJM78M12FA CEAS010M50 PRIMARY ASSY PRIMARY Assy has no service part. 25 ASSY SEMICONDUCTOR D876 RED LED BR3371XJ30A SWITCH S876 SWITCH ASG1034 RESISTOR R876 CARBON FILM RESISTOR RD1/4PU331J SP SW. SX-255R, SX-205 Mark No. CAPACITOR CERAMIC CAPACITOR ELECT. POWER SW. Description Parts No. CAPACITOR...
Service Manual
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... Frequency Adjustment Display Location Specifications 98.0 MHz L151 Adjust so that the indicator of R151's both ends becomes OV±50mV. ADJUSTMENT OF AM (MW) TUNER SECTION • Set the FM/AM selector to light up. In case out of AM -0 FM. Adjustment Title Center 1 Adjustment Front End 2 Sencitivity Check Stereo 3 Distortion Check Stereo 4 Separation Check 5 TUNED IND. starts to AM (MW) BAND. • Connect the wiring...
... Frequency Adjustment Display Location Specifications 98.0 MHz L151 Adjust so that the indicator of R151's both ends becomes OV±50mV. ADJUSTMENT OF AM (MW) TUNER SECTION • Set the FM/AM selector to light up. In case out of AM -0 FM. Adjustment Title Center 1 Adjustment Front End 2 Sencitivity Check Stereo 3 Distortion Check Stereo 4 Separation Check 5 TUNED IND. starts to AM (MW) BAND. • Connect the wiring...
Service Manual
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...capture input terminal to PO3 e Pin Assignment (Top view) k,"-; SX-255R, SX-205 8. IC INFORMATION • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. • PDG172A (IC826: FL AND UCOM ASSY) • Receiver Control Micro-computer • Block Diagram ANO...to 520 t 2I VF DP I cS0 SIO SOO Tea Sit rel ig ECOt: To LrINnT AID CONVERTER FOP CONTROLLER/ DRIVER RAM 80 BYTES R CMOCON Ft FO SERIAL INTERFACE UNIT 0 I 44 • P12/510 43 PFI/59 4 PF0/58 P07/3T • Pin Function No.
...capture input terminal to PO3 e Pin Assignment (Top view) k,"-; SX-255R, SX-205 8. IC INFORMATION • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. • PDG172A (IC826: FL AND UCOM ASSY) • Receiver Control Micro-computer • Block Diagram ANO...to 520 t 2I VF DP I cS0 SIO SOO Tea Sit rel ig ECOt: To LrINnT AID CONVERTER FOP CONTROLLER/ DRIVER RAM 80 BYTES R CMOCON Ft FO SERIAL INTERFACE UNIT 0 I 44 • P12/510 43 PFI/59 4 PF0/58 P07/3T • Pin Function No.
Service Manual
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... input of power supply start-up, the built-in power ON reset function operates and executes " L " level output. (Mask option) 31 EXTAL 32 XTAL I O FDP timing signal output terminal 70 TO 71 VFDP - NC terminal Connect this terminal to the XTAL terminal. 33 Vss - SX-255R SX-205 No. Pin Name I/O Description 14 PC0/KR0 I I 21 PC7/KR7 Key return input terminal for FDP timing I I O signal and segment signal...
... input of power supply start-up, the built-in power ON reset function operates and executes " L " level output. (Mask option) 31 EXTAL 32 XTAL I O FDP timing signal output terminal 70 TO 71 VFDP - NC terminal Connect this terminal to the XTAL terminal. 33 Vss - SX-255R SX-205 No. Pin Name I/O Description 14 PC0/KR0 I I 21 PC7/KR7 Key return input terminal for FDP timing I I O signal and segment signal...
Service Manual
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... Panel 55 Nut 35 Spring CM-22C AAK2553 AAK7239 Not Used Not Used CM-22C AAK2553 AAK7239 Not Used Not Used CM-22B AAK2553 AAK7239 Not Used Not Used CM-22C Not Used AAK7241 NIC.90FUC ABH7111 CM-22B Not Used AAK7241 NK9OFUC ABH7111 31 SX-255R, SX-2O5 10. Ex. 1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and...
... Panel 55 Nut 35 Spring CM-22C AAK2553 AAK7239 Not Used Not Used CM-22C AAK2553 AAK7239 Not Used Not Used CM-22B AAK2553 AAK7239 Not Used Not Used CM-22C Not Used AAK7241 NIC.90FUC ABH7111 CM-22B Not Used AAK7241 NK9OFUC ABH7111 31 SX-255R, SX-2O5 10. Ex. 1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and...
Service Manual
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... PARTS LIST". SCHEMATIC AND PCB CONNECTION DIAGRAMS". Remarks 32 Symbol & Description SX-255R1 SX-255R/ KUXJ KCXJ Part No. AW28374 DTA124ES DTA143ES DTC143ES 1SS252 LAU010J AWZ8091 Not Used Not Used Not Used Not Used Not Used C833 C835 R828 R829 R831 CKPUYY103M16 CKCYB331K50 Not Used Not Used RD1/4PU472J CKFtYY103M16 CKCYB331K50 RD1/4PU473J Not Used RDIAPU472J Not Used Not Used Not Used RD1/4PU223J Not Used R850 R851 R862 Remote Receiver Unit...
... PARTS LIST". SCHEMATIC AND PCB CONNECTION DIAGRAMS". Remarks 32 Symbol & Description SX-255R1 SX-255R/ KUXJ KCXJ Part No. AW28374 DTA124ES DTA143ES DTC143ES 1SS252 LAU010J AWZ8091 Not Used Not Used Not Used Not Used Not Used C833 C835 R828 R829 R831 CKPUYY103M16 CKCYB331K50 Not Used Not Used RD1/4PU472J CKFtYY103M16 CKCYB331K50 RD1/4PU473J Not Used RDIAPU472J Not Used Not Used Not Used RD1/4PU223J Not Used R850 R851 R862 Remote Receiver Unit...
Service Manual
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..., A network) PHONO MM 72 dB CD, TAPE 1NCR, TAPE 2, LD/DVD 96 dB FM Tuner Section Frequency range Usable Sensitivity 50 dB Quieting Sensitivity MONO STEREO Signal-to 1,602 kHz 350 pV/m 2 5 d B 5 0 d B AM Loop Antenna Miscellaneous Power Requirements U.S. AWZ8097 AWZ8378 C952-C954 R952 J36 Not Used Not Used Not Used CKCYF103Z50 *2 RD1/4PU100J *2 DB015EB0 *2 Note *2. Description Parts No. SPECIFICATIONS Amplifier Section Continuous Average Power Output is 100 watts* per channel, min...
..., A network) PHONO MM 72 dB CD, TAPE 1NCR, TAPE 2, LD/DVD 96 dB FM Tuner Section Frequency range Usable Sensitivity 50 dB Quieting Sensitivity MONO STEREO Signal-to 1,602 kHz 350 pV/m 2 5 d B 5 0 d B AM Loop Antenna Miscellaneous Power Requirements U.S. AWZ8097 AWZ8378 C952-C954 R952 J36 Not Used Not Used Not Used CKCYF103Z50 *2 RD1/4PU100J *2 DB015EB0 *2 Note *2. Description Parts No. SPECIFICATIONS Amplifier Section Continuous Average Power Output is 100 watts* per channel, min...
Service Manual
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... speakers. CONTROL (oTrr Receiver Pioneer component bearing the El mark. The equipment should be disconnected by the receiver's POWER switch. To the CONTROL IN jack of the Pioneer component bearing the mark. 0 CHANNEL STEP switch (multi-voltage model only) C) SPEAKERS terminals A : Connect to control the other components. and Canadian models] SWITCHED 100 W (0.8 A) MAX Power supplied through this outlet is turned on vacation. B : Connect to a cassette deck or video cassette recorder. PANEL FACILITIES • The illustration shows SX-255R/SX-205 multi-voltage model...
... speakers. CONTROL (oTrr Receiver Pioneer component bearing the El mark. The equipment should be disconnected by the receiver's POWER switch. To the CONTROL IN jack of the Pioneer component bearing the mark. 0 CHANNEL STEP switch (multi-voltage model only) C) SPEAKERS terminals A : Connect to control the other components. and Canadian models] SWITCHED 100 W (0.8 A) MAX Power supplied through this outlet is turned on vacation. B : Connect to a cassette deck or video cassette recorder. PANEL FACILITIES • The illustration shows SX-255R/SX-205 multi-voltage model...
Service Manual
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...; TAPE 2 MONITOR button Press when listening to tape playback and monitor the recording sound with the cassette deck 2. © VOLUME control Use to adjust volume level. © PHONES jack Connect the plug on a turntable. [TUNER] Press when listening to AM or FM broadcasts with a tuner. [LD/DVD] Press when listening to listen. Press the switch again to operate STANDBY/ON. SX-255R, SX-205 • The illustration shows the SX-255R. 0 OD Pi 4 5 O 06 - . 04" ® POWER STANDBY/ON switch/STANDBY...
...; TAPE 2 MONITOR button Press when listening to tape playback and monitor the recording sound with the cassette deck 2. © VOLUME control Use to adjust volume level. © PHONES jack Connect the plug on a turntable. [TUNER] Press when listening to AM or FM broadcasts with a tuner. [LD/DVD] Press when listening to listen. Press the switch again to operate STANDBY/ON. SX-255R, SX-205 • The illustration shows the SX-255R. 0 OD Pi 4 5 O 06 - . 04" ® POWER STANDBY/ON switch/STANDBY...
Service Manual
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... noise. to Remote sensor window (SX-255R) CLASS button Use to switch between preset memory classes 1 to the right, low-frequency tones are emphasized. The center position is the flat (normal) position. When turned to 3. CO TREBLE tone control Use to select either AM or FM reception. The current CLASS is displayed. ® STEREO/MONO indicator MONO: Lights up when the SUPER BASS button is scanned in this mode for reception. C) TUNING buttons (-,+) +: The FM...
... noise. to Remote sensor window (SX-255R) CLASS button Use to switch between preset memory classes 1 to the right, low-frequency tones are emphasized. The center position is the flat (normal) position. When turned to 3. CO TREBLE tone control Use to select either AM or FM reception. The current CLASS is displayed. ® STEREO/MONO indicator MONO: Lights up when the SUPER BASS button is scanned in this mode for reception. C) TUNING buttons (-,+) +: The FM...