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Aiwa av-dv75ez Service Manual

Stereo av receiver
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AV-DV75
EZ

SERVICE MANUAL

STEREO AV RECEIVER
S/M Code No. 09-994-324-8N2

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Summary of Contents for Aiwa av-dv75ez

  • Page 1: Service Manual

    AV-DV75 SERVICE MANUAL STEREO AV RECEIVER S/M Code No. 09-994-324-8N2...

  • Page 2: Specifications

    SPECIFICATIONS • Design and specifications are subject to change without notice. • Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. • The word “BBE” and the “BBE symbol” are trademarks of BBE Sound,Inc.

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 87-A40-115-060 DIODE,RS603M 87-A40-469-080 C-DIODE,HSM2838CTR 87-017-888-080 IC,NJM4558MD 87-A40-004-080 ZENER,MTZJ16A 87-017-915-080 IC,BU4094BCF 87-A40-335-080 ZENER,MTZJ11C T-72 87-A20-823-010 C-IC,YSS248 87-A40-224-010 DIODE,GBU8D 87-A20-824-010 C-IC,CS4226 87-020-903-010 IC,NJM7805FA 87-070-274-080 DIODE,1N4003 SEM 87-A40-435-080 ZENER,MTZJ30D 8Z-AR1-632-010...
  • Page 4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C204 87-010-178-080 CHIP CAP 1000P C398 87-012-368-080 C-CAP,S 0.1-50 F C205 87-010-405-080 CAP, ELECT 10-50V C402 87-010-181-080 CAP,CHIP S 1800P C206 87-010-405-080 CAP, ELECT 10-50V C403 87-010-405-080 CAP, ELECT 10-50V C208 87-016-299-080 CAP,E 10-100 SME...
  • Page 5 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C616 87-010-404-080 CAP, ELECT 4.7-50V R232 87-A00-418-010 RES,M/F 0.15-3W J C617 87-010-404-080 CAP, ELECT 4.7-50V R233 87-A00-418-010 RES,M/F 0.15-3W J C618 87-010-404-080 CAP, ELECT 4.7-50V R234 87-A00-418-010 RES,M/F 0.15-3W J C619 87-010-404-080 CAP, ELECT 4.7-50V...
  • Page 6 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C145 87-012-157-080 C-CAP,S 330P-50 CH S115 87-A90-095-080 SW,TACT EVQ11G04M C146 87-012-157-080 C-CAP,S 330P-50 CH S116 87-A90-095-080 SW,TACT EVQ11G04M C147 87-012-157-080 C-CAP,S 330P-50 CH SW101 87-A90-535-010 SW,RTRY EC16B24304 C148 87-012-157-080 C-CAP,S 330P-50 CH SW102...
  • Page 7 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C164 87-010-196-080 CHIP CAPACITOR,0.1-25 C304 87-012-393-080 C-CAP,S 0.22-16 R K C165 87-A10-369-080 C-CAP,S 0.47-16 K B C305 87-010-184-080 CHIP CAPACITOR 3300P(K) C166 87-010-405-080 CAP, ELECT 10-50V C306 87-010-183-080 C-CAP,S 2700P-50 B C167 87-010-405-080...
  • Page 8 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C755 87-012-286-080 CAP, U 0.01-25 CN601 87-099-028-010 CONN,11P 6216 H C756 87-012-286-080 CAP, U 0.01-25 CN602 87-099-211-010 CONN,4P 6216V C757 87-012-188-080 C-CAP,U 47P-50 CH FFE801 A8-6ZA-191-130 6ZA-1 FEENM C758 87-012-167-080 C-CAP,U 5P-50 CH...

  • Page 9: Chip Resistor Part Code

    REF. NO PART NO. KANRI DESCRIPTION FB501 87-008-372-080 FILTER, EMI BL OIRNI FB602 87-008-372-080 FILTER, EMI BL OIRNI J501 87-A60-606-010 JACK,PIN 3P R/W/Y W/O SW H J603 87-A60-550-010 JACK,DIA6.3 BLK ST W/SW KM LED401 87-A40-317-080 LED,SLR-342VCT31 RED S401 87-A90-095-080 SW,TACT EVQ11G04M S402 87-A90-095-080 SW,TACT EVQ11G04M...

  • Page 10: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B E C B 2SC4115 DTA144WK 2SA1037 2SA1296 2SB1370 2SA1235 DTC124EK CC5551 2SB1375 RT1N141C 2SC2714 DTC114ES KTC3199GR RT1N144C 2SC3052 KTA1266GR 2SD1306 RT1P141C KTC3198GR RT1P144C CMBT5551 2SK2158 2SK360E 2SK2937...

  • Page 11: Block Diagram

    BLOCK DIAGRAM TUNER C.B MAIN C.B FRONT C.B TUNER BLOCK FL101 (DISPLAY) TUNE/IFC TUNE/IFC IC721 PLL-CE PLL-CE LC72131D TM-BASS T-BASE IC101,102 IF/DET MPX BU4049BLF µCON DATA IC771 DATA IC103 LA1837 µPD780028GF-027-3BA DRIVER IC851 S110,112,114~116 TUNER L BU1920FS S403 STB-31 ADO/CS KEY1 MATRIX L OUT...
  • Page 12 WIRING-1 (MAIN) TH301...
  • Page 13 SCHEMATIC DIAGRAM-1 (MAIN 1/2)
  • Page 14 WIRING-2 (AC/PT) SCHEMATIC DIAGRAM-2 (AC/PT)
  • Page 15 SCHEMATIC DIAGRAM-3 (MAIN 2/2)
  • Page 16 WIRING-3 (FRONT)
  • Page 17 SCHEMATIC DIAGRAM-4 (FRONT)
  • Page 18 WIRING-4 (TUNER)
  • Page 19 SCHEMATIC DIAGRAM-5 (TUNER) DC BALANCE/MONO DISTORTION ADJ. MW IF ADJ. J802 TU +B ANTENNA FM 75Ω (COAXIAL) MW/LW LOOP DATA BAND SWITCH RF AMP TU +B FM/AM IF DET./MPX/ TRACKING DECODER ADJ. BAND BAND SWITCH SWITCH LW VT ADJ LW TRACKING ADJ. TUNER C.B...
  • Page 20 WIRING-5 (DOLBY) COAXIAL (VIDEO 2) OPTICAL (VIDEO 1) DIGITAL IN PCM/DOLBY DIGITAL OPTICAL (VIDEO 3) JR157 JR160...
  • Page 21 SCHEMATIC DIAGRAM-6 (DOLBY)
  • Page 22 WIRING-6 (HP/VIDEO/GEQ)
  • Page 23 SCHEMATIC DIAGRAM-7 (HP/VIDEO/GEQ)
  • Page 24 ELECTRICAL ADJUSTMENT FL (BJ691GK) GRID ASSIGNMENT/ANODE CONNECTION GRID ASSIGNMENT TUNER C.B FFE801 L772 L771 TC942 IC771 L981 L942 L941 < TUNER SECTION > 8. DC Balance/Mono Distortion Adjustment Settings: • Test point: TP3, TP4 1. Clock Frequency Check • Adjustment location: L771 Settings: •...
  • Page 25 IC BLOCK DIAGRAM IC, BU4094BCF IC, M62431FP IC, BA3880S...
  • Page 26 IC, M62439SP IC, LC72131D IC, LA1837NL...
  • Page 27 IC, YSS248 IC, CS4226 IC, BA7625...
  • Page 28 IC DESCRIPTION IC, UPD780228GF Pin No. Pin Name Description ________________ K-SCAN Scan output to diode input (Active “L”). O-PLL-CE Tuner PLL chip enable output. O-DATA (M) Sound CTRL, PLL, DOLBY PROLOGIC or DSP, AC-3 VOL, GEQ. Data output. __________________ __________________ TUNE/IFC Tuner TUNE/IFC detection input.
  • Page 29 Pin No. Pin Name Description I-SYNC-DET/I-RDS-SIG OSD sync. AD input. RDS tuning signal level. AD input. I-JOG2 Rotary encoder (JOG2). AD input. I-FU-JOG1 Function selector rotary encoder (JOG1). AD input. 47, 48 I-KEY2, I-KEY1 Key 2, 1. AD input. I-MIC Microphone signal level detector.

  • Page 30: Mechanical Parts List

    BUSHING, AC CORD (E) 5 8Z-AR1-012-010 KNOB,RTRY FUN 31 87-050-079-010 AC-CORD ASSY,E 6 8Z-AR1-017-010 RING,VOL 32 8Z-AR1-003-010 CABI,STEEL 7 82-NE6-067-010 BADGE,AIWA 30N 33 8Z-AR1-007-010 KEY,ENTER 8 8Z-NB8-240-010 COVER, PL 34 8Z-AR1-021-110 FOOT,REAR 9 8Z-AR1-020-110 RING,FOOT SIL 35 8Z-AR1-210-010 HLDR,PT PWB...

  • Page 31: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1/1 P.C.B PLATE PT HT-SINK P.C.B P.C.B P.C.B CHASS MAIN P.C.B PLATE SHLD P.C.B P.C.B CHASS FR P.C.B PLATE BOTTOM P.C.B...

  • Page 32: Mechanical Section

    REFERENCE NAME LIST ELECTRICAL SECTION MECHANICAL SECTION DESCRIPTION REFERENCE NAME DESCRIPTION REFERENCE NAME ANTENNAS ADHESHIVE SHEET ADHESHIVE CHIP AZIMUTH C-CAP CAP, CHIP BAR-ANT BAR-ANTENNA C-CAP TN CAP, CHIP TANTALUM BATTERY C-COIL COIL, CHIP BATT BATTERY C-DI DIODE, CHIP BEARING C-DIODE DIODE, CHIP BUTTON C-FET...

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