Aiwa XR–DV525 Service Manual

Text of Aiwa XR–DV525 User Guide:

• Aiwa XR–DV525, – 36 – Media indication Contents M21 NO DISC M22 CD-DA M23 VCD (Ver1.0 or Ver1.1) M24 VCD (Ver2.0) M25 DVD DVD TEST MODE 1. How to Activate DVD Test Mode Insert the AC plug, while pressing the DVD/CD/VCD function button. All the indicators on the FL display tube will light up, and the test mode will be activated. 2. How to Cancel DVD Test Mode Either one of the following operations will cancel the DVD test mode. • Disconnect the AC plug. • Press any function button. (Except DVD/CD/VCD function button) • Press the POWER button. 3. DVD Test Mode Functions • Status indication and media indication After the DVD test mode is activated, “S**M**” will d

• Aiwa XR–DV525, SERVICE MANUAL DATA XR–DV525 RC–AAS03 SYSTEM CD CASSEIVER REMOTE CONTROLLER CX–NDV525 DVD STEREO SYSTEM BASIC TAPE MECHANISM : 2ZM-3MK2 PR9NM BASIC DVD MECHANISM : AZG-D ZACPDM XR-DV525 HR, HT S/M Code No. 09-00C-434-1R3 • If requiring information about the DVD mechanism, see Service Manual of AZG-D, (S/M Code No. 09-00A-350-6N2). SPEAKERS SX–NDV824 SX–CR677 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” (S/M Code No. 09-007-434-1T3). REVISION

• Aiwa XR–DV525,  33  1 X-IN I A crystal oscillator (4.5MHz) is connected between these pins. 22 X-OUT O 2 NC  Not connected. 3 CE I To enable the IC. Active "H". 4DII Digital data input from CPU (LC876572V-5T19) when relevant key is operated. Active "H". 5 CL I To clock in the data DI. 6 DO O Digital data output to CPU (LC876572V-5T19). 7 T-BASE O Outputs a reference clock signal (8Hz) for the clock. 8 MONO / BEAT O Outputs "H" when MONO / BEAT is switched. Output "L" or "H" as follows: 9 FM / SW O 2 BAND 3 BAND 3 BAND AM FM LW MW FM MW SW FM HLHHLHLL Outputs "L&

• Aiwa XR–DV525, – 6 – ELECTRICAL MAIN PARTS LIST DESCRIPTIONREF. NO. KANRI NO. PART NO. DESCRIPTIONREF. NO. KANRI NO. PART NO. IC 87-A21-269-010 IC,EW732 87-A21-355-010 IC,STK490-140 8A-DJV-613-030 C-IC,LC876572V-5T19 87-A21-629-010 IC,SPS-442-1-N 87-A20-783-040 C-IC,BA7762AFS 87-070-417-010 IC,NJM4558DD 87-A21-097-040 C-IC,M62463AFP 87-A21-577-040 C-IC,M61506FP 87-A21-452-130 C-IC,BD3876AKS2 87-070-289-040 C-IC,BU2092F 87-A21-560-010 IC,L

• Aiwa XR–DV525, – 9 – C401 87-010-197-080 CAP,CHIP 0.01 DM C451 87-010-196-080 CHIP CAPACITOR,0.1-25 C452 87-010-196-080 CHIP CAPACITOR,0.1-25 C453 87-010-196-080 CHIP CAPACITOR,0.1-25 C454 87-010-198-080 CAP,CHIP 0.022 C455 87-010-198-080 CAP,CHIP 0.022 C458 87-010-320-080 CHIP CAP,68P C459 87-010-320-080 CHIP CAP,68P C502 87-010-186-080 CAP,CHIP 4700P C503 87-010-112-040 CAP,E 100-16 C504 87-010-405-040 CAP,E 10-50 C505 87-010-545-040 CAP,E 0.22-50 SME C506 87-010-320-080 CHIP CAP,68P C513 87-010-196-080 CHIP CAPACITOR,0.1-25 C515 87-010

• Aiwa XR–DV525, – 40 – TAPE MECHANISM PARTS LIST 1 / 1 DESCRIPTIONREF. NO. KANRI NO. PART NO. DESCRIPTIONREF. NO. KANRI NO. PART NO. 1 82-ZM3-335-310 PULLEY,COUPLER M3 2 87-B10-043-010 W-P,0.99-4-0.25 SLT 3 86-ZM1-206-010 BELT,MAIN L 4 82-ZM1-322-010 SPR-T,FR 60 5 82-ZM1-220-210 GEAR,IDLER 6 82-ZM3-616-010 RING MAGNET 4 7 82-ZM1-341-210 LVR ASSY,PINCH L2 8 82-ZM1-258-210 SPR-T,PINCH L 9 87-A90-821-110 HEAD,RPH HADKH56 FPC 10 82-ZM3-342-010 BELT,SBU MOT 3 11 82-ZM1-338-110 BELT,FR 4 12 09-001-420-010 FLY-WHL,R ASSY 13 82-ZM3-333-310

• Aiwa XR–DV525, – 8 – DESCRIPTIONREF. NO. KANRI NO. PART NO. DESCRIPTIONREF. NO. KANRI NO. PART NO. C848 87-010-197-080 CAP,CHIP 0.01 DM C849 87-010-197-080 CAP,CHIP 0.01 DM C850 87-010-260-080 CAP,ELECT 47-25V C851 87-010-197-080 CAP,CHIP 0.01 DM C852 87-010-197-080 CAP,CHIP 0.01 DM C853 87-010-197-080 CAP,CHIP 0.01 DM C858 87-010-196-080 CHIP CAPACITOR,0.1-25 C859 87-010-196-080 CHIP CAPACITOR,0.1-25 C860 87-010-197-080 CAP,CHIP 0.01 DM C940 87-010-

• – 3 – This set employs laser. Therefore, be sure to follow carefully the instructions below when servicing. WARNING!! WHEN SERVICING, DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO CONFIRM LASER BEAM EMISSION. BE SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL PICK-UP BLOC

• Aiwa XR–DV525,  34  ADJUSTMENT  1 <TUNER / FRONT> < TUNER SECTION > 1. Clock Frequency Check Settings :  Test point : TP2 (CLK) Method : Set to MW 1602kHz and check that the test point is 2052kHz ± 45Hz. 2. MW VT Adjustment Settings :  Test point : TP1 (VT)  Adjustment location : L953 Method : Set to MW 1602kHz and adjust L953 so that the test point becomes 8.5V ± 0.05V. Then set to MW 531kHz and check that the test point is more than 0.3V. 3. MW Tracking Adjustment Settings : 

• Aiwa XR–DV525, – 4 – NOTE ON BEFORE STARTING REPAIR Charging voltage (V) Discharging Rated power (W) Parts number (C101, 102) resistor (Ω) 25-48 100 3 87-A00-247-090 49-140 220 5 87-A00-232-090 Note: The reference numbers (C101, C102) of the electrolytic capacitors can change depending on the models. Be sure to check the reference numbers of the charging capacitors on schematic diagram before starting the discharging work. 2. Check items before exchanging the MICROCOMPUTER Be sure to check the following items before exchanging

• Aiwa XR–DV525, – 38 – MECHANICAL PARTS LIST 1 / 1 DESCRIPTIONREF. NO. KANRI NO. PART NO. DESCRIPTIONREF. NO. KANRI NO. PART NO. ! Basic color symbol Color Basic color symbol Color Basic color symbol Color B Black C Cream D Orange G Green H Gray L Blue LT Transparent Blue N Gold P Pink R Red S Silver ST Titan Silver T Brown V Violet W White WT Transparent White Y Yellow YT Transparent Yellow LM Metallic Blue LL Light Blue GT Transparent Green LD Dark Blue DT Transparent Orange GM Metallic Green YM Metallic Yellow DM Metallic Orange PT Transparent Pink LA Aqua Blue GL Light Green COLO

• Aiwa XR–DV525, – 11 – TRANSISTOR ILLUSTRATION E C B CD1585 CSC4115 KTA1266 KTC3198 B C E 2SA1235 2SC2714 2SC3052 CMBT5401 CMBT5551 CSD1306 B C E 2SB1370 G D S 2SK2158 E C B 2SA1981 DTC144EK KRA102S KRA107S RT1N141C RT1P141C RT1P441C 2SA933 2SC1740 DTC114ES KTC3199 E C B D S G 2SK360

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Aiwa XR–DV525 Service manual 28-06-2023 43

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