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Aiwa XR-C303RW Service Manual

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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
CD-R/CD STEREO
CASSETTE RECEIVER
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
XR-C303RW (LH,U), (S/M Code No. 09-004-433-4T1).
• If requiring information about the CD mechanism, see Service Manual of
AZG-1 (S/M Code No. 09-001-335-3N8).
www
.
http://www.xiaoyu163.com
SYSTEM
CASSEIVER
XR-C303RW
CX-NC303RW
x
ao
u163
y
i
S/M Code No. 09-006-433-4R1
http://www.xiaoyu163.com
XR-C303RW
2 9
8
Q Q
3
6 7
1 3
1 5
BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM
BASIC CD MECHANISM : AZG-1 ZD3RMDM
BASIC CD-R MECHANISM : CRD-RA1
CD
SPEAKER
SX-WNC303
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
REMOTE
CONTROLLER
RC-ZAS01
m
LH,U
9 9
9 9

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Summary of Contents for Aiwa XR-C303RW

  • Page 1 CX-NC303RW SX-WNC303 RC-ZAS01 • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" XR-C303RW (LH,U), (S/M Code No. 09-004-433-4T1). • If requiring information about the CD mechanism, see Service Manual of AZG-1 (S/M Code No. 09-001-335-3N8). u163 S/M Code No. 09-006-433-4R1...

  • Page 2: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 <FM tuner section> Compact disc player section (3CD changer) Tuning range 87.5 MHz to 108 MHz Laser Semiconductor laser (λ = 780 nm) Usable sensitivity (IHF) 16.8 dBf D-A converter 1 bit dual Antenna terminals 75 ohms (unbalanced) Signal-to-noise ratio...

  • Page 3: Protection Of Eyes From Laser Beam During Servicing

    http://www.xiaoyu163.com PROTECTION OF EYES FROM LASER BEAM DURING SERVICING 3 7 63 1515 0 This set employs laser. Therefore, be sure to follow carefully CAUTION the instructions below when servicing. Use of controls or adjustments or performance of proce- dures other than those specified herin may result in WARNING!! hazardous radiation exposure.

  • Page 4: Note On Before Starting Repair

    http://www.xiaoyu163.com NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block 3 7 63 1515 0 When repair is going to be attempted in the set that uses relay circuit in the power supply block, electric potential is kept charged across the electrolytic capacitors (C101, 102) even though AC power cord is removed.
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not. 2-2. Regarding reset There are cases that the machine does not work correctly because the MICROCOMPUTER is not reset even though the AC power cord is re-inserted, or the software reset (pressing the STOP key + POWER key) is performed.
  • Page 6 http://www.xiaoyu163.com DISASSEMBLY INSTRUCTIONS Disassembly Procedure of CD-R/RW Unit 3 7 63 1515 0 Remove CABI, TOP PANEL, SIDE L, R and AZG-1 in advance. 1. Open the tray of the CD-R/RW unit. If the tray does not open for some reason, open it as follows. 1) Remove the screw.
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 3) Insert a flat screwdriver into the clearance marked by the arrow and rotate the gear in the direction of the right arrow to open the tray. 4) Lift up PANEL, CD in the direction of the arrow. 5) Remove the four screws and remove SHLD, STEEL.

  • Page 8: Electrical Main Parts List

    http://www.xiaoyu163.com ELECTRICAL MAIN PARTS LIST 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION MAIN C.B 8A-DF8-616-010 C-IC,LC87F65C8AU 87-012-369-080 C-CAP,S 0.047-50F 87-A21-482-010 IC,RPM6938-H4 87-012-369-080 C-CAP,S 0.047-50F 87-A20-870-010 IC,GP1F37R 87-012-368-080 C-CAP,S 0.1-50 F 87-A21-021-040 C-IC,BU2099FV 87-012-368-080...
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C215 87-010-322-080 C-CAP,S 100P-50 CH C504 87-010-545-080 CAP,E 0.22-50 M 11L SME C216 87-010-322-080 C-CAP,S 100P-50 CH C505 87-010-545-080 CAP,E 0.22-50 M 11L SME C217 87-010-260-080 CAP, ELECT 47-25V...
  • Page 10 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C776 87-010-197-080 CAP, CHIP 0.01 DM R165 87-A00-257-080 RES,M/F 0.15-1W J C777 87-010-400-080 CAP, ELECT 0.47-50V R166 87-A00-257-080 RES,M/F 0.15-1W J C778 87-010-401-080 CAP, ELECT 1-50V R231...
  • Page 11 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C704 87-010-196-080 CHIP CAPACITOR,0.1-25 S371 87-A91-024-180 SW,TACT KSH0611BT C705 87-010-196-080 CHIP CAPACITOR,0.1-25 SW162 87-A91-591-010 SW,RTRY RE0121PVB25FINA24 C706 87-010-196-080 CHIP CAPACITOR,0.1-25 SW163 87-A91-397-010 SW,RTRY 121SL10-12T2 C707 87-010-196-080...

  • Page 12: Chip Resistor Part Code

    http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 8A-NF8-673-010 PT,SUB ANF-8 (H)KAMI<LH> HEAD-1 C.B 8A-NF8-661-010 PT,SUB ANF-8 (U)<U> 87-A91-418-010 RELAY,AC12V G5PA-1-M<U> 85-ZM3-602-010 PWB,FLEX A 87-A91-339-010 RELAY,AC DC12V G5PA-2<LH> CON301 87-NF6-615-010 CONN ASSY,3P PB 87-A90-165-010 SW,SL 1-2-3 SWS2301<LH>...

  • Page 13: Transistor Illustration

    http://www.xiaoyu163.com TRANSISTOR ILLUSTRATION 3 7 63 1515 0 G D S E C B B C E E C B 2SB1370 2SK3053 DTC114ES CSC4115 KTC3199 KTA1266 2SA933 KTC3198 CSA952 CD1585 E C B B C E S D G 2SD2494 2SJ460 2SK2158 CC5551...

  • Page 14: Wiring - 1 (Main)

    http://www.xiaoyu163.com WIRING - 1 (MAIN) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 14 –...
  • Page 15 http://www.xiaoyu163.com SCHEMATIC DIAGRAM - 1 (MAIN 1/2 : AMP / HEAD-1 / HEAD-2) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...
  • Page 16 http://www.xiaoyu163.com SCHEMATIC DIAGRAM - 2 (MAIN 2/2 : TUNER) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 16 – http://www.xiaoyu163.com...

  • Page 17: Wiring - 2 (Front)

    http://www.xiaoyu163.com WIRING - 2 (FRONT) <1 / 2> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 17 –...
  • Page 18 http://www.xiaoyu163.com WIRING - 2 (FRONT) <2 / 2> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 18 –...
  • Page 19 http://www.xiaoyu163.com SCHEMATIC DIAGRAM - 3 (FRONT / DECK) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 19 – http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com WIRING - 3 (INTERFACE) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 20 –...
  • Page 21 http://www.xiaoyu163.com SCHEMATIC DIAGRAM - 4 (INTERFACE) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 21 – http://www.xiaoyu163.com...
  • Page 22 http://www.xiaoyu163.com WIRING - 4 (U : PT) 3 7 63 1515 0 L 13942296513 u163 – 22 –...
  • Page 23 http://www.xiaoyu163.com SCHEMATIC DIAGRAM - 5 (U : PT) 3 7 63 1515 0 L 13942296513 u163 – 23 – http://www.xiaoyu163.com...
  • Page 24 http://www.xiaoyu163.com WIRING - 5 (LH : PT) 3 7 63 1515 0 L 13942296513 u163 – 24–...
  • Page 25 http://www.xiaoyu163.com SCHEMATIC DIAGRAM - 6 (LH : PT) 3 7 63 1515 0 L 13942296513 u163 – 25 – http://www.xiaoyu163.com...
  • Page 26 http://www.xiaoyu163.com WIRING - 6 (DECK / HEAD-1 / HEAD-2) 3 7 63 1515 0 L 13942296513 u163 – 26 –...

  • Page 27: Ic Block Diagram

    http://www.xiaoyu163.com IC BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 IC, LC72131D IC, BU2092F 1 3 9 4 2 2 9 6 5 1 3 IC, BA3835F IC, M61500FP w w w u 1 6 3 – 27 – http://www.xiaoyu163.com...
  • Page 28 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 IC, LA1837NL 1 3 9 4 2 2 9 6 5 1 3 IC, BU2099FV w w w u 1 6 3 – 28 – http://www.xiaoyu163.com...
  • Page 29 http://www.xiaoyu163.com IC DESCRIPTION IC, LC87F65C8AU 3 7 63 1515 0 Pin Name Description Pin No. I-DISH CD turnable photo sensor input. I-DRF/I-STEREO CD DRF input/Stereo detect input. O-2PB Selection of Deck 1/2. O-BIAS Deck bias output. O-RMT(STB) REC mute output/(STB output:HIGH-PWB used). O-DATA DATA output for MAIN C.B.
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description LW/P23 LW diode input (not used)/FL segment output (P23). SW/P22 SW diode input (not used)/FL segment output (P22). FM1/P21 FM1 (OIRT) diode input (not used)/FL segment output (P21). RDS/P20 RDS diode input (not used)/FL segment output (P20).
  • Page 31 http://www.xiaoyu163.com FL (HNA-13MM16T) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT 3 7 63 1515 0 L 13942296513 u163 – 31 – http://www.xiaoyu163.com...
  • Page 32 http://www.xiaoyu163.com ANODE CONNECTION 3 7 63 1515 0 L 13942296513 u163 – 32 – http://www.xiaoyu163.com...
  • Page 33 http://www.xiaoyu163.com ADJUSTMENT <TUNER / DECK / FRONT> 3 7 63 1515 0 A MAIN C.B L771 L772 IC771 TP2 (CLK) L981 SFR451 SFR452 TP3 (DC) TP4 (DC) (3/3) (1/3) FFE801 TP9 (RCH) (VT) TP8 (LCH) B FRONT C.B L 13942296513 FL101 TP12 (GND) IC101...
  • Page 34 http://www.xiaoyu163.com < TUNER SECTION > 3 7 63 1515 0 1. Clock Frequency Check 6. FM Tracking Check Settings : • Test point : TP2 (CLK) Settings : • Test point : TP8 (Lch), TP9 (Rch) Method : Set to AM 1710kHz and check that the test point is Method : Set to FM 98.0MHz and check that the test point is 2160kHz ±...
  • Page 35 http://www.xiaoyu163.com < DECK SECTION > 3 7 63 1515 0 13. REC/PB Frequency Response Adjustment (DECK 2) 9. Tape Speed Adjustment (DECK 2) Settings : • Test tape : TTA–602 Settings : • Test tape : TTA–100 • Test point : TP8 (Lch), TP9 (Rch) •...
  • Page 36 http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 AZG-1 PLATE SHLD REAR P.C.B HT-SINK DIODE HT-SINK TRS P.C.B HT-SINK FIN CRD-RA1 1 3 9 4 2 2 9 6 5 1 3 PLATE, SHLD S 2ZM-3MK2...

  • Page 37: Mechanical Parts List

    AC CORD ASSY,U SPT-2W<U> 18 8A-DF8-023-010 WINDOW,DISPLAY EZ<LH> 60 87-085-185-010 BUSHING, AC CORD (E)<LH> 18 8A-DF8-024-010 WINDOW,DISPLAY U<U> 60 87-085-189-010 BUSHING, CORD (U)<U> 19 87-CE3-023-010 BADGE,AIWA 30N SILV 61 8Z-NB8-240-010 COVER, PL 20 8A-DB8-005-110 PANEL,TRAY 62 8A-DF8-203-010 HT-SINK, 21 8A-DF8-021-010 WINDOW,CD 63 8A-DF8-606-010 PT,ADF8-H<LH>...

  • Page 38: Tape Mechanism Exploded View

    http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 PH(DECK 1) DECK C.B RPH(DECK 2) CUSH-G,DIA3.7-8-3.2 CUSH-G,DIA3.7-8-3.2 HLDR,IC HLDR,IC CAPSTAN N 2.2-41.7 1 3 9 4 2 2 9 6 5 1 3 CAPSTAN N 2.2-41.5 HEAD 1 C.B(DECK 1) BELT D2...

  • Page 39: Tape Mechanism Parts List

    http://www.xiaoyu163.com TAPE MECHANISM PARTS LIST 1 / 1 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 82-ZM3-301-610 CHAS ASSY,M2 31 82-ZM1-255-310 SPR-E,LVR DIR 2 82-ZM1-258-210 SPR-T,PINCH L 32 82-ZM3-305-210 GEAR,CAM M2 3 82-ZM1-341-210 LVR ASSY,PINCH L2 33 82-ZM1-227-310...
  • Page 40 http://www.xiaoyu163.com SPEAKER DISASSEMBLY INSTRUCTIONS 3 7 63 1515 0 Type.1 Type.4 Insert a flat-bladed screwdriver into the position indicated by the TOOLS arrows and remove the panel. Remove the screws of each speaker 1 Plastic head hammer unit and then remove the speaker units. 2 (() flat head screwdriver 3 Cut chisel How to Remove the PANEL, FR...

  • Page 41: Accessories / Package List

    SPKR,TW 160 9 8Z-NSY-604-010 SPKR,M 100 10 8Z-NSY-608-010 SPKR,CERAMIC ASSY 11 8A-DS8-005-010 GRILLE,FRAME ASSY<YL> 11 8A-NS8-006-010 GRILLE,FRAME ASSY U<YU> 12 8A-NSJ-006-010 BADGE, AIWA S35<YU> ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8A-DF8-902-010 IB,LH(ESP)M<LH> 1 8A-DF8-903-010 IB,U(ESF)M<U>...
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9301978 0251431 Printed in Singapore http://www.xiaoyu163.com...

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