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Aiwa XR-MK25 HC Service Manual
Aiwa XR-MK25 HC Service Manual

Aiwa XR-MK25 HC Service Manual

Compact disc stereo system
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Summary of Contents for Aiwa XR-MK25 HC

  • Page 1 All manuals and user guides at all-guides.com...
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  • Page 3 All manuals and user guides at all-guides.com λ...
  • Page 4 All manuals and user guides at all-guides.com PICK–UP Assy P.C.B. PICK–UP Assy P.C.B. Solder Solder...
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  • Page 9: Transistor Illustration

    All manuals and user guides at all-guides.com TRANSISTOR ILLUSTRATION E C B E C B E C B 2SA1296 2SC4115 2SA952 2SC2878 DTA144ES CSD655E KTA1266 DTC144ES KTC3198 RT CODE Figure E C B E C B B C E Value of resistor 2SA1318 KTA1267 2SB1481...
  • Page 10 All manuals and user guides at all-guides.com BLOCK DIAGRAM – 1 (MAIN / FRONT / AC2 / AC1 / DECK / RELAY)
  • Page 11 All manuals and user guides at all-guides.com BLOCK DIAGRAM – 2 (VCD / VCD POWER / CD DRIVE / CD MOTOR)
  • Page 12 All manuals and user guides at all-guides.com...
  • Page 13 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 1 (MAIN:1/2 / AC2 / AC1 / RELAY)
  • Page 14 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 2 (MAIN:2/2 – TUNER BLOCK)
  • Page 15 All manuals and user guides at all-guides.com...
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  • Page 17: Schematic Diagram - 3 (Front / Deck)

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 3 (FRONT / DECK)
  • Page 18 All manuals and user guides at all-guides.com ER / CD DRIVE / CD MOTOR)
  • Page 19 All manuals and user guides at all-guides.com...
  • Page 20 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 4 (VCD:1/2 / VCD POWER / CD DRIVE / CD MOTOR)
  • Page 21: Schematic Diagram - 5 (Vcd:2/2)

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 5 (VCD:2/2)
  • Page 22 All manuals and user guides at all-guides.com FL (11BT–162GK) GRID ASSIGNMENT / ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION...
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  • Page 37 All manuals and user guides at all-guides.com Description Pin No. Pin Name Description SP, DSP Control Clock. ENCRST Video Encoder Reset. (Not used) SP, DSP Control Data. DVCC – DVCC. SP, DSP Status. PAL/PAL60 PAL/PAL60 Switch. SP, DSP Command Latch. XNTSC PAL/NTSC Switch.
  • Page 38: Practical Service Figure

    All manuals and user guides at all-guides.com PRACTICAL SERVICE FIGURE 7. DC Balance / Mono Distortion Adjustment <TUNER SECTION> Settings : • Test point : TP5, TP6 (DC balance) <FM SECTION> TP8, TP9 IHF Sensitivity : Less than 10dB (Distortion) (THD 3%) [at 87.5MHz] •...
  • Page 39 All manuals and user guides at all-guides.com F DECK C.B PIN1 SFR1 DECK R / P / E HEAD...
  • Page 40: Eye Pattern

    All manuals and user guides at all-guides.com VCD C.B SFR701 SFR702 (TE) IC701 SFR703 (RF) (VC) (TG1) (TG2) 1.4 ± 0.1 Vp-p Oscilloscope (DC range) EYE PATTERN VOLT / DIV: 0.5 V must be CLEAR and MAX TIME / DIV: 0.5µs Ω...
  • Page 41 All manuals and user guides at all-guides.com 4) Adjust SFR703 so that the waveform appears as High tracking gain Gain Focus) Tracking Symptoms shown in the figure below. (tracking gain (The frequency of the fundamental wave is higher adjustment) than in low gain.) •...
  • Page 42 All manuals and user guides at all-guides.com VCD C.B MAIN C.B AC1 C.B WIRE ASSY, IP (GND) POWER C. B AC2 C.B PT101 WIRE ASSY, IP(SEC) FROM VCD C.B HT-SINK ASSY WIRE ASSY, 1P (DECK) PLATE, SHLD CHAS MAIN 2ZM-1 YR6N...
  • Page 43: Spring Application Position

    All manuals and user guides at all-guides.com SPRING APPLICATION POSITION REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 82-ZM1-257-010 82-ZM1-218-010 SPR-T,CAS SPR-E,HB 82-ZM1-285-410 82-ZM1-244-010 SPR-C,BT L SPR-C,BT 82-ZM3-323-010 SPR-T,LINK 82-ZM1-259-110 SPR-T,PINCH R 82-ZM1-258-110 SPR-T,PINCH L...
  • Page 44 All manuals and user guides at all-guides.com VIEW 1 / 1 DECK C.B SOL2...
  • Page 45 All manuals and user guides at all-guides.com...
  • Page 46 All manuals and user guides at all-guides.com CUSH-G, MAIN A CUSH-G, MAIN A 3ZG2 CD MOTOR C.B...
  • Page 47 All manuals and user guides at all-guides.com...
  • Page 48 All manuals and user guides at all-guides.com CD DRIVE C.B...
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This manual is also suitable for:

Xr-mk25 hr