Aiwa CT-X2058 Service Manual
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Aiwa CT-X2058 Service Manual

Aiwa CT-X2058 Service Manual

Stereo car cassette receiver
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S E R V I C E
CT-X2058
CT-X2018
REVISION PUBLISHING
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-983-263-401).
S/M Code No. 09-984-260-601

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Summary of Contents for Aiwa CT-X2058

  • Page 1 S E R V I C E CT-X2058 CT-X2018 REVISION PUBLISHING This Service Manual is the "Revision Publishing" and replaces "Simple Manual" (S/M Code No. 09-983-263-401). S/M Code No. 09-984-260-601...

  • Page 2: Specifications

    SPECIFICATIONS AUDIO SECTION RADIO SECTION (FM) Max. Power Output: 25 W X 4 channels Frequency Range: 87.5 MHz-108 MHz CD IN input (100-kHz steps) Input sensitivity (load impedance) 87.5 MHz-108 MHz CD IN: 500mV (10 k Q ) (50-kHz steps) Usable Sensitivity: 12.7 dBf 17.2 dBf...

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST D E S C R IP T IO N T fllfrT ^ & ^ tl« "REFERENCE NAME LIST" If can't u nderstand for Description please kindly refer to "REFERENCE NAME LIST". REF. NO PART NO. KANRI DESCRIPTION REF.

  • Page 4: Transistor Illustration

    REF.NO PART NO. . KANRI DESCRIPTION J801 S6-1MO-JB3-2BO JACK,AUX HEAD C.B SW C.B — F / C H IP R ESIST O R PART CODE O f 7 n - F ©f£ 9 Ï Chip Resistor Part Coding - □ □ □ □...

  • Page 5: Block Diagram

    BLOCK DIAGRAM...
  • Page 6 WIRING-1 (MAIN SECTION) | _ ______ 3 | _ ______ 4 [ _ ______ 5 | _ ______ 6 V L T / B L O --- <GRY>— •R (+) ( - ) — < V L T > --- <...
  • Page 7 SCHEMATIC DIAGRAM-1 (MAIN SECTION)
  • Page 8 WIRING-2 (FRONT SECTION) B FRONT C. B BJ FRON! C. B SW807 |W8 14 TUNEAl ICRPl 5WS20 5W809 iBA N fll SW!! 1 0 SW81 1X7 'T I LO SW81 E H ] SW808 PLf i0 1 ~804, E 0 6 - 8 0 8 ( I LLUM I NAT I ON) CJ JACK C.
  • Page 9 TO 0 MAIN C .B C0N831 B FRONT C .B P L 8 0 K 80 4 , 8 0 6 ^ 8 0 8 P I L O T LAMP 9V 60MA ( IL L U M IN A T I O N ) ©...
  • Page 10 1C DESCRIPTION 1C, TC9297F Pin No. Pin Name Description K ey scan inputs. A maximum of 6x5=30 key data can be input with a matrix of key 1 - 4 K1 - K 4 scan outputs TO - T5. When "H " is applied to this pin, scanning of keys w ill start. These pins incorporate pull-down resistors.
  • Page 11 1C, TC9321F Pin No. Pin Name Description 1 - 4 P6-1 - P6-4 4-bit x 2 (P6-1 - P7-4) and 2-bit (P8-1 - P8-2) I/O ports. These ports can designate 5 - 8 P7-1 - P7-4 inputs and outputs for every bit: the designation is executed by the contents of the 9 - 1 0 P8-1 ~ P8-2 internal ports called PORT-6 - PORT-8 I/O C O N T R O L.
  • Page 12 Pin No. Pin Name Description Test mode control input. The test mode is entered with "H " input and normal operation T E S T is entered with "L " input or no-connection status. (A pull-down resistor is built in.) Device system reset signal input.
  • Page 13 Pin No. Pin Name Description Programmable counter input in the A M band. The P L L command switches between the direct division method (L F mode) and pulse swallow method (H F mode). W ith the direct division method, the 0.5-20MHz (0.3Vp-p min.) local oscillation output (VC O output) is input;...
  • Page 14 1C, LC75383E Pin No. Pin Name Description R V R IN 4dB V R input. Must be driven with low impedance. R C O M ld B V R common pin — For the connection of capacitors that compensate for bass and treble in the tone control circuits.

  • Page 15: Block Diagrams

    Pin No. Pin Name Description Signal input Input selector outputs R S E L O 1C BLOCK DIAGRAMS IC, HA13158 IC, KIA6225S NFBI...

  • Page 16: Lcd Display

    LCD DISPLAY I N . — CNNl C J L J C J...

  • Page 17: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1/1...
  • Page 18 SPR-T.P-UP S5-8X8-KT3-001 BTN-HRABS J-WHITE SPY BLK(T-00 S5-8X8-KT2-001 BTN-HRABS J-WHITE SPY LASER CU S2-9X8-KT1-000 STOPPER DFP S7-7X6-KT3-000 SPR,E P-UP SWPB S8-6X5-KT1-101 BADGE(AIWA LOGO) SO-OX -KTI-OOI F . PANEL-HRABS S2-8X8-KT4-000 BASE LOCK S5-8X8-KTD-001 BUTTON- HRABS BLACK( J-001N) W/ S2-9X8-KT3-000 JOINT DFP L...

  • Page 19: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1/1...

  • Page 20: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1/1 D E S C R IP T IO N S "REFERENCE NAME LIST" ÿ # I U T < If can’t understand for Description please kindly refer to "REFERENCE NAME LIST". REF. NO PART NO. KANRI DESCRIPTION REF.
  • Page 21 ► I f - t S i ® 1*3^ — | 931261 I AIWA CO., LTD. Tokyo Japan T 110-8710 mma5^miS;t!l^.uSl-2-11 003 (3827) 3111 (f t it ) Printed in Singapore...

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