Pioneer dv 250 service manual
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Extracted text from pioneer dv 250 service manual (Ocr-read)
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4 DV-353-K 1. SPECIFICATIONS ................................................................................................................................................. 5 2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................... 6 2.1 PACKING ........................................................................................................................................................ 6 2.2 EXTERIOR SECTION ..................................................................................................................................... 8 2.3 LOADING MECHANISM ASSY ................................................................................................................... 10 2.4 TRAVERSE MECHANISM ASSY-S ............................................................................................................ 14 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ............................................................................................ 16 3.1 BLOCK DIAGRAM ....................................................................................................................................... 16 3.1.1 SIGNAL ROUTE ........................................................................................................................................ 16 3.1.2 POWER SUPPLY BLOCK ........................................................................................................................ 18 3.1.3 WAVEFORMS ........................................................................................................................................... 19 3.2 LOAB ASSY and OVERALL WIRING DIAGRAM ........................................................................................20 3.3 FJMB ASSY 1/5 [FRONT END BLOCK] ...................................................................................................... 22 3.4 FJMB ASSY 2/5 [BACK END BLOCK] ........................................................................................................ 24 3.5 FJMB ASSY 3/5 [AUDIO BLOCK] ............................................................................................................... 26 3.6 FJMB ASSY 4/5 [VIDEO BLOCK] ................................................................................................................ 28 3.7 FJMB ASSY 5/5 [FL CONTROL BLOCK] .................................................................................................... 30 3.8 IRKY and PSWB ASSYS ............................................................................................................................. 32 3.9 POWER SUPPLY UNIT (VWR1351) ........................................................................................................... 34 3.10 POWER SUPPLY UNIT (VWR1353) ......................................................................................................... 35 4. PCB CONNECTION DIAGRAM ......................................................................................................................... 37 4.1 LOAB ASSY ................................................................................................................................................. 37 4.2 FJMB ASSY .................................................................................................................................................. 38 4.3 IRKY and PSWB ASSYS ............................................................................................................................. 42 4.4 POWER SUPPLY UNIT (VWR1351) ........................................................................................................... 43 4.5 POWER SUPPLY UNIT (VWR1353) ........................................................................................................... 44 5. PCB PARTS LIST ............................................................................................................................................... 45 6. ADJUSTMENT .................................................................................................................................................... 48 6.1 ADJUSTMENT ITEMS AND LOCATION ..................................................................................................... 48 6.2 JIGS AND MEASURING INSTRUMENTS ................................................................................................... 48 6.3 NECESSARY ADJUSTMENT POINTS ....................................................................................................... 49 6.4 TEST MODE ................................................................................................................................................. 50 6.5 MECHANISM ADJUSTMENT ...................................................................................................................... 51 7. GENERAL INFORMATION ................................................................................................................................ 54 7.1 DIAGNOSIS .................................................................................................................................................. 54 7.1.1 TEST MODE .............................................................................................................................................. 54 7.1.2 DISPLAY OF THE MECHANISM ERROR HISTORY .............................................................................. 60 7.1.3 TEST POINTS LOCATION & WAVEFORMS ........................................................................................... 64 7.1.4 TROUBLE SHOOTING ............................................................................................................................. 68 7.1.5 SEQUENCE AFTER THE POWER ON .................................................................................................... 70 7.1.6 DISASSEMBLY ......................................................................................................................................... 71 7.2 IC .................................................................................................................................................................. 76 7.3 CLEANING ................................................................................................................................................... 94 8. PANEL FACILITIES ............................................................................................................................................ 95 CONTENTS
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5 DV-353-K General System............................DVD-Video, Video CD, CD and MP3 files Power requirements..................AC 120 V, 60 Hz Output level..............................Y: 1.0Vp-p (75 Ω) P B, P R: 0.7 Vp-p (75 Ω) Jacks...................................................RCA jacks Power consumption.....................................13 W Power consumption (standby) ........................0.3 W Weight.........................................2.4 kg (5lb 5oz) Dimensions DV-353.............420 (W) x 55 (H) x 278 (D) mm (16 9/16 (W) x 2 3/16 (H) x 10 15/16 (D) in.) DV-250/251......420 (W) x 55 (H) x 276 (D) mm (16 9/16 (W) x 2 3/16 (H) x 10 14/16 (D) in.) Operating temperature.................+5°C to +35°C (+36°F to +96°F) Operating humidity.............................5% to 85% (no condensation) S-Video output Y (luminance) - Output level...........1 Vp-p (75 Ω) C (color) - Output level............286 mVp-p (75 Ω) Jack.................................................S-Video jack Video output Component Video output (Y, P B, P R) Output level....................................1 Vp-p (75 Ω) Jack......................................................RCA jack Audio output (1 stereo pair) Output level..........................During audio output 200 mVrms (1 kHz, –20 dB) Number of channels...........................................2 Jacks.....................................................RCA jack Digital audio characteristics Frequency response....................4 Hz to 44 kHz (DVD fs: 96 kHz) S/N ratio...................................................118 dB Dynamic range.........................................101 dB Total harmonic distortion......................0.0016 % Wow and flutter.................Limit of measurement (0.001% W. PEAK) or lower Digital output Optical digital output...............Optical digital jack Coaxial digital output............................RCA jack Accessories Audio/video cable...............................................1 Power cable....................................................... 1 Remote control...................................................1 AA/R6P dry cell batteries...................................2 Operating Instructions........................................1 Warranty card.................................................... 1 -The specifications and design of this product are subject to change without notice, due to improvement. - Manufactured under license from Dolby Laboratories. Dolby and the double-D symbol are trademarks of Dolby Laboratories. - DTS is a registered trademark of Digital Theater Systems, Inc. - TruSurround and the ® symbol are trademarks of SRS Labs, Inc. TruSurround technology is incorporated under license from SRS Labs, Inc. Audio/Video Cable (L=1.5m): XDE3049 AA/R6P Dry Cell Batteries Power Cable : ADG7022 Remote Control : VXX2800 Accessories White Red Yellow 0 123 456 789 CLEAR ENTERANGLE AUDIO TOP MENU SETUP SUBTITLE PLAY MODE SURROUND ZOOM DISPLAY MENU RETURN ENTER STANDBY/ONOPEN/CLOSE 4/eE/ 13 ¡ ¢ 8 7 0 1. SPECIFICATIONS