Aiwa XR-DV526 Service Manual

SERVICE MANUALDATAXR–DV526 RC–AAS03SYSTEMCDCASSEIVERREMOTE CONTROLLERCX–NDV526DVD STEREO SYSTEMBASIC TAPE MECHANISM : ZZM-3 YPR1NFBASIC DVD MECHANISM

– 10 – R232 87-A00-258-080 RES,M/F 0.22-1W J WH101 87-A90-459-010 HLDR,WIRE 2.5-5P WH102 87-A90-460-010 HLDR,WIRE 2.5-7PAMP PROLOGI

– 11 –TRANSISTOR ILLUSTRATIONE C BCD1585CSA952CSC4115KTA1266KTC3198BCE2SA12352SC27142SC3052CMBT5401CMBT5551CSD1306B C E2SB13422SB13702SD1933GDS2S

– 12 –BLOCK DIAGRAM – 1 (MAIN UNIT / DVD UNIT)

– 13 –BLOCK DIAGRAM – 2 (MAIN / FRONT / AMP 1F / AMP PROLOGIC / PT / DECK)

WIRING  1 (MAIN / VM)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 14 ABCDEFGHIJKLMNOPQRSTU

– 15 –SCHEMATIC DIAGRAM – 1 (MAIN : 1 / 4 / VM)

– 16 –SCHEMATIC DIAGRAM – 2 (MAIN : 2 / 4 <TUNER SECTION>)

– 17 –SCHEMATIC DIAGRAM – 3 (MAIN : 3 / 4 <DECK SECTION>)

– 18 –SCHEMATIC DIAGRAM – 4 (MAIN : 4 / 4 <PRO LOGIC SECTION>)

WIRING  2 (FRONT)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 19 ABCDEFGHIJKLMNOPQRSTU

– 2 –SPECIFICATIONSMain unit CX-NDV526<FM Tuner section>Tuning range 87.5 MHz to 108 MHzUsable sensitivity (IHF) 13.2 dBfAntenna terminals 75 oh

– 20 –SCHEMATIC DIAGRAM – 5 (FRONT / DECK)

WIRING  3 (AMP 1F)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 21 ABCDEFGHIJKLMNOPQRSTU

– 22 –SCHEMATIC DIAGRAM – 6 (AMP 1F)

WIRING  4 (AMP PROLOGIC)32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 23 ABCDEFGHIJKLMNOPQRSTU

– 24 –SCHEMATIC DIAGRAM – 7 (AMP PROLOGIC)

WIRING  5 (PT)151413121110987654321ABCDEFGHIJKLMNOPQRSTU 25 

– 26 –SCHEMATIC DIAGRAM – 8 (PT)

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 27 ABCDEFGHIJKLMNOPQRSTUWIRING  6 (DECK)G DECK C . B1

 28 FL (HNA  11MM34) GRID ASSIGNMENT / ANODE CONNECTION / PIN CONNECTIONGRID ASSIGNMENT ANODE CONNECTIONPIN CONNECTION

 29 IC BLOCK DIAGRAM

– 3 –This set employs laser. Therefore, be sure to follow carefully theinstructions below when servicing.WARNING!!WHEN SERVICING, DO NOT APPROACH THE

 30 

 31 IC DESCRIPTIONIC, LC87F65C8G-SAN1Pin No. Pin Name I/O Description1 I-STEREO I Tuner stereo signal input.2 I-IFC I Tuner IF count serial data in

 32 Pin No. Pin Name I/O Description58 P21 / RDS O/I FL segment output / RDS initial diode setting input (not used).59 P20 / FM1 O/I FL segment outp

 33 1 X-IN IA crystal oscillator (4.5MHz) is connected between these pins.22 X-OUT O2 NC  Not connected.3 CE I To enable the IC. Active "H&quo

 34 ADJUSTMENT  1 <TUNER / FRONT>< TUNER SECTION >1. Clock Frequency CheckSettings :  Test point : TP2 (CLK)Method : Set to AM 1710

 35 ADJUSTMENT  2 <DECK>< DECK SECTION >1. Tape Speed Adjustment (DECK 2)Settings :  Test tape : TTA100 Test point : TP8 (Lch), TP

– 36 –Media indication ContentsM21 NO DISCM22 CD-DAM23 VCD (Ver1.0 or Ver1.1)M24 VCD (Ver2.0)M25 DVDDVD TEST MODE1. How to Activate DVD Test ModeIns

– 37 –MECHANICAL EXPLODED VIEW 1 / 1123456789109121314151617181920212223242526272829303131303233343536373839404142434411454647484950565551525354BIN

– 38 –MECHANICAL PARTS LIST 1 / 1DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO.!COLOR NAME TABLEBasic color symbol Col

– 39 –TAPE MECHANISM EXPLODED VIEW 1 / 1ATERMINAL,LB1AABTERMINAL,LB1123455667899101110111212131314141515161618181919202021213022232425262728222324

– 4 –NOTE ON BEFORE STARTING REPAIRCharging voltage (V) Discharging Rated power (W) Parts number(C101, 102) resistor (Ω)25-48 100 3 87-A00-247-090

– 40 –TAPE MECHANISM PARTS LIST 1 / 1DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. 1 8Z-ZM3-227-010 BELT,MAI

– 41 –Insert a flat-bladed screwdriver into the position indicated by thearrows and remove the panel. Remove the screws of each speakerunit and then

– 42 –SPEAKER PARTS LIST(SX–WNDV526) <YUSL>DESCRIPTIONREF. NO. KANRINO.PART NO. 1 8A-NS8-009-010 PANEL,FR U 2 8A-DS8-004-010

2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111Printed in Singapore9420025 0251431

– 5 –In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not.2-2. Regarding resetThere are case

– 6 –ELECTRICAL MAIN PARTS LISTDESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO.IC 87-A21-269-010 IC,EW732

– 7 –DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. C370 87-010-196-080 CHIP CAPACITOR,0.1-25 C373 87-A11-177-08

– 8 –DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. C788 87-010-149-080 C-CAP,S 5P-50 CH C789 87-A10-592-080

– 9 – C321 87-012-393-080 C-CAP,S 0.22-16 R K C322 87-010-400-040 CAP,E 0.47-50 C325 87-A10-189-040 CAP,E 220-10 C326 87-A10-