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Aiwa XR-EC10 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
CD STEREO SYSTEM
SYSTEM
XR-EC10
XR-EC12
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/MCode 09-026-361-1T1).
www
.
http://www.xiaoyu163.com
CD CASSEIVER
CX-SLEC10
CX-SLEC12
x
ao
u163
y
i
S/M Code No. 09-026-361-1R1
http://www.xiaoyu163.com
XR-EC10
2 9
8
XR-EC12
Q Q
3
6 7
1 3
1 5
BASIC CD MECHANISM : CMCJ0129
SPEAKER
SX-SLEC10
SX-SLEC12
co
.
U(S),UC(S)
9 4
2 8
UC(S)
0 5
8
2 9
9 4
2 8
REMOTE
CONTROLLER
RC-CAS05
m
9 9
9 9

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Summary of Contents for Aiwa XR-EC10

  • Page 1 XR-EC10 U(S),UC(S) 3 7 63 1515 0 XR-EC12 UC(S) SERVICE MANUAL L 13942296513 CD STEREO SYSTEM BASIC CD MECHANISM : CMCJ0129 REMOTE SYSTEM CD CASSEIVER SPEAKER CONTROLLER XR-EC10 CX-SLEC10 SX-SLEC10 RC-CAS05 XR-EC12 CX-SLEC12 SX-SLEC12 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual”...

  • Page 2: Table Of Contents

    http://www.xiaoyu163.com TABLE OF CONTENTS 3 7 63 1515 0 SPECIFICATIONS ..............................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING............... 4 PRECAUTION TO REPALCE OPTICAL BLOCK (KSM-213 VSCM) ..............5 SERVICE NOTE ..............................6 ACCESSORIES PARTS LIST ..........................7 CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION ......8-21 HOW TO ESTABLISH THE SERVICE POSITION ..................

  • Page 3: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS -1/1 3 7 63 1515 0 • Design and specifications are subject to change without notice L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 4: Protection Of Eyes From Laser Beam During Servicing

    http://www.xiaoyu163.com PROTECTION OF EYES FROM LASER BEAM DURING SERVICING -1/1 3 7 63 1515 0 This set employs laser. Therefore, be sure to follow carefully the CAUTION instructions below when servicing. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous WARNING! radiation exposure.

  • Page 5: Precaution To Repalce Optical Block (Ksm-213 Vscm)

    http://www.xiaoyu163.com PRECAUTION TO REPALCE OPTICAL BLOCK (KSM-213 VSCM) -1/1 3 7 63 1515 0 Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure ground body and workbench, and use care the clothes do not touch the diode. 1) After the connection, remove solder shown in the right figure.

  • Page 6: Service Note

    SERVICE NOTE -1/1 3 7 63 1515 0 When the repair/maintenance work is completed, attach the TAG (Aiwa part code: 8C-CL3-038-010) as follows. 1. While pressing the CL button, insert the AC power plug. Confirm that all FL display tubes light.

  • Page 7: Accessories Parts List

    http://www.xiaoyu163.com ACCESSORIES PARTS LIST -1/1 = ! SAFTY PARTS = Components marked 3 7 63 1515 0 All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.

  • Page 8: Cd Mechanism Disassembly Instructions And Re-Assembly Instruction

    http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -1/14 3 7 63 1515 0 MECHANISM DISASSEMBLY INSTRUCTIONS 1. Remove the COVER 2. 2. Open the DRAWER. 3. Remove DRAWER from mechanism. 4. Remove ASS’Y CRG4 from CHASSIS. 5. Remove CRG from DRAWER ASS’Y. 6.
  • Page 9 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -2/14 3 7 63 1515 0 MECHANISM DISASSEMBLY INSTRUCTIONS Remove the COVER 2 Remove the four screws and remove COVER 2. SCREW COVER 2 SCREW Fig.1 2. Open the DRAWER Press the Lever in the bottom left of mechanism as shown (Fig.2-b Fig.2-c). Lock of the DRAWER is released so that you can open the DRAWER.
  • Page 10 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -3/14 3 7 63 1515 0 3. Remove DRAWER from mechanism 1) Open the HOOK to the right and left of the CHASSIS that fix the DRAWER. At the same time, while pressing the DRAWER toward inside, raise the DRAWER and remove it. * The DRAWER and the CHASSIS are connected by wire.
  • Page 11 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -4/14 3 7 63 1515 0 4. Remove CRG from CHASSIS ASS’Y 1) Remove COVER 2. (Refer to “1. Remove the COVER 2”.) 2) Remove DRAWER. (Refer to “2. Open the DRAWER” and “3. Remove the DRAWER from mechanism”.) 3) While fixing the ARM STOPPER B inside, press the lever on the left side of the CHASSIS in the direction of the arrow.
  • Page 12 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -5/14 3 7 63 1515 0 5. Remove ASS’Y CRG from DRAWER 1) Remove COVER 2. (Refer to “1. COVER 2”.) 2) Remove DRAWER. (Refer to “2. Open the DRAWER” and “3. Remove the DRAWER from mechanism”.) 3) Rotate the BEVEL GEAR in the direction (counter-clockwise direction) of the arrow as shown.
  • Page 13 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -6/14 3 7 63 1515 0 6. Remove the ASS’Y HOLDER and ASS’Y GEAR DRIVE 1) Remove the COVER 2. (Refer to “1. COVER 2”.) 2) Remove the DRAWER 2. (Refer to “2. Open the DRAWER” and “3. Remove the DRAWER from mechanism”.) 3) Remove the four screws each of the DRAWER and remove the ASS’Y HOLDER, ASS’Y GEAR DRIVE.
  • Page 14 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -7/14 3 7 63 1515 0 8. SWITCH6 (OPEN / CLOSE), SWITCH7 (FWD), SWITCH8 (RVS) 1) Remove the four screws fixing the C.B. in the bottom of the mechanism. 2) Remove soldering of the MOTOR terminal and remove the C. B. 3) You can replace the SWITCH in this state.
  • Page 15 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -8/14 3 7 63 1515 0 10.SWITCH4 (DISC2), SWITCH5 (DISC1) 1) Remove the COVER 2. (Refer to “1. COVER 2”.) 2) Open the DRAWER. (Refer to “2. Open the DRAWER”.) 3) Remove the ASS’Y CRG from the CHASSIS. (Refer to “4. Remove the ASS’Y CRG from CHASSIS.) 4) While holding the front side of the LIFTER in the right, remove the LIFTER in the right and remove the SPRING.
  • Page 16 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -9/14 3 7 63 1515 0 11.P/U UNIT 1) Remove the COVER 2. (Refer to “1. Remove the COVER 2”.) 2) Open the DRAWER. (Refer to “2. Open the DRAWER”.) 3) Remove the ASS’Y CRG from the CHASSIS. (Refer to “4. Remove the ASS’Y CRG from the CHASSIS”.) 4) Remove the ASS’Y CLAMPER.
  • Page 17 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -10/14 3 7 63 1515 0 9) Pull the SLIDER1 towards the front. 10) Release the claws of the SLIDER 1 from the bottom of the CHASSIS and remove the SLIDER 1. SLIDER 1 HOOK HOOK...
  • Page 18 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -11/14 3 7 63 1515 0 MECHANISM RE-ASSEMBLY INSTRUCTION 1. ASS’Y HOLDER, ASS’Y GEAR DRIVE 1) Tighten the ASS’Y HOLDER L and the ASS’Y HOLDER R with four screws each tentatively. 2) Align the positions (marks) of the CAM RR, CAM RF and those of the CAM LR, CAM LF. If these positions are aligned correctly, you cannot move the ASS’Y CRG correctly.
  • Page 19 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -12/14 3 7 63 1515 0 2. ASS’Y CRG 1) Confirm position of the CAM RR 3. (Refer to “1. ASS’Y HOLDER, ASS’Y GEAR DRIVE”.) 2) Insert the ASS’Y CRG A201 (No.2) and engage the PINION as shown in illustration. 3) Rotate the BEVEL GEAR clockwise.
  • Page 20 http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -13/14 3 7 63 1515 0 3. DRAWER 1) Insert the protrusion in the deep end in the left of the DRAWER into the position of the ARM STOPPER B. DRAWER ARM STOPER B Fig.3-a 2) While pressing down the left side of the DRAWER, raise the right side of the DRAWER and engage the claws in the deep end in the left of the CHASSIS in the order of a then b.

  • Page 21: Cd Mechanism Disassembly Instructions And Re-Assembly Instruction

    http://www.xiaoyu163.com CD MECHANISM DISASSEMBLY INSTRUCTIONS AND RE-ASSEMBLY INSTRUCTION -14/14 3 7 63 1515 0 4) After opening the DRAWER completely, close it. Fig.3-e 5) Press the lever of the SLIDER to the deep end and stop it at the position shown in Fig.3-g. LEVER LEVER Fig.3-f...

  • Page 22: How To Establish The Service Position

    http://www.xiaoyu163.com HOW TO ESTABLISH THE SERVICE POSITION -1/2 3 7 63 1515 0 1. Remove the screws from the Outside Cabinet and remove the Side Cabinet. 2. Remove the screws "1" and remove the Top Cabinet. (See Fig. 1-1.) Fig.1-1 Fig.1-2 Fig.2-1 Fig.2-2...

  • Page 23: How To Establish The Service Position

    http://www.xiaoyu163.com HOW TO ESTABLISH THE SERVICE POSITION -2/2 3 7 63 1515 0 8. Remove the connector and FFC (flat flexible cable) and remove the CD mechanism. CONNECTOR CONNECTOR Fig.5-1 9. Remove the four screws “4” from the Rear of the Main Unit and separate the Main Board from the Main Unit as shown in Fig. 6- L 13942296513 Fig.6-2 Fig.6-1...

  • Page 24: Electrical Parts List

    http://www.xiaoyu163.com ELECTRICAL PARTS LIST -1/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 25 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -2/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 26 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -3/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 27 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -4/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 28 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -5/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 29 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -6/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 30 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -7/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 31 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -8/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 32 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -9/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 33 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -10/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 34 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -11/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 35 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -12/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 36 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -13/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 37 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -14/15 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 38 http://www.xiaoyu163.com ELECTRICAL PARTS LIST -15/15 3 7 63 1515 0 • Regarding connectors, they are not stocked as they are not the initial order items. The connectors are available after they are supplied from connector manufacturers upon the order is received. L 13942296513 u163 -38-...

  • Page 39: Transistor Illustration

    http://www.xiaoyu163.com TRANSISTOR ILLUSTRATION -1/1 3 7 63 1515 0 E C B B C E 2BS1342 2SA1981Y 2SC5477 2SA1980G 2SD655E 2SD1933 2SK2937 2SB1218AQRS 2N5551C 2SC2620B 2SK360E 2SD1819AQRS 2SA1235F DTC114YKA 2SC2714O SRA2202S 2SC3052 L 13942296513 SRA2207S 2SC5343SF/S(G) SBT5401 u163 -39- http://www.xiaoyu163.com...

  • Page 40: Block Diagram

    http://www.xiaoyu163.com BLOCK DIAGRAM -1/2 3 7 6 3 1 5 1 5 0 TO/FROM BLOCK DIAGRAM -2/2 TUNER BLOCK (CZA-3) MAIN C.B (1/2) CD MECHANISM CMCJ0129 IC304 LB1645N IC303 LB1645N Q603,604 Q301 IC6601 PICKUP ASSY Q302 BD3882FV KSM-213VSCM 1 3 9 4 2 2 9 6 5 1 3 PHONES Q303 PT001...
  • Page 41 http://www.xiaoyu163.com BLOCK DIAGRAM -2/2 3 7 6 3 1 5 1 5 0 FRONT C.B MAIN C.B (2/2) Q501~303 D502~504 D501 IC501 1 3 9 4 2 2 9 6 5 1 3 S501 S502 S503 L401 SUPPLY Q405 Q404 Q401~403 KEY C.B w w w...

  • Page 42: Schematic Diagram-1/7 (Main)-1/3

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM -1/7 (MAIN) -1/3 3 7 6 3 1 5 1 5 0 MAIN C.B (1/3) TO/FROM MAIN C.B (3/3) TO TUNER C.B CN991 2700P 2700P +4.77V IC602 DEGITAL OUT (OPTICAL) J601 VIDEO/ AUX IN +10.6V Q603,604 MUTE +4.1V J602 -4.1V...

  • Page 43: Schematic Diagram-2/7 (Main)-2/3

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM -2/7 (MAIN) -2/3 3 7 6 3 1 5 1 5 0 MAIN C.B(2/3) 3.3V +4.7V +12V IC303,304 CD TRAY +3.7V 3.2V DRIVER 3.3V ASP/DSP 1 3 9 4 2 2 9 6 5 1 3 3.3V SIGNAL +1.63V :PB(ANALOG)

  • Page 44: Schematic Diagram-3/7 (Main)-3/3

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM -3/7 (MAIN) -3/3 3 7 6 3 1 5 1 5 0 MAIN C.B (3/3) -27.9V 1 3 9 4 2 2 9 6 5 1 3 +11.5V L401 +5.35V +5.35V SUPPLY SW CLOCK ADJ +5.25V Q401-403 MICON 5G REG w w w RESET...

  • Page 45: Wiring-1/5 (Main)

    http://www.xiaoyu163.com WIRING -1/5 (MAIN) 3 7 6 3 1 5 1 5 0 MAIN C.B TO TUNER C.B CN991 TO PT C.B CN201 (GND) (CLK) J601 LINE IN J602 LINE OUT SUB WOOFER 1 3 9 4 2 2 9 6 5 1 3 IC602 DIGITAL OUT (OPTICAL)

  • Page 46: Schematic Diagram-4/7 (Amp)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM -4/7 (AMP) 3 7 6 3 1 5 1 5 0 Q111,112 Q115,116 Q103,106 Q107-110 Q113,114,127,128 Q117-120 AMP C.B COMMON COMPL IMENTARY DIFFERENT IAL CURRENT SEEP EMITTER EMITTER FOLLOWER SEEP AMPL IF IER MIRROR BIAS AMPL IF IER Q124,123 OVER LOARD...

  • Page 47: Wiring-2/5 (Amp)

    http://www.xiaoyu163.com WIRING -2/5 (AMP) 3 7 6 3 1 5 1 5 0 AMP C.B 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 -47- http://www.xiaoyu163.com...

  • Page 48: Schematic Diagram-5/7 (Front/Key)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM -5/7 (FRONT/KEY) 3 7 6 3 1 5 1 5 0 FRONT C.B TU SIG 1 3 9 4 2 2 9 6 5 1 3 +5.25V KEY C.B w w w STANBY LED u 1 6 3 -48- http://www.xiaoyu163.com...

  • Page 49: Wiring-3/5 (Front/Key)

    http://www.xiaoyu163.com WIRING -3/5 (FRONT/KEY) 3 7 6 3 1 5 1 5 0 FRONT C.B TO MAIN C.B CN402 S502 S501 BASS TREBLE S503 VOLUME D501 POWER STAND BY/ON S505 POWER STANDBY/ON S504 S506 CLEAR 1 3 9 4 2 2 9 6 5 1 3 S510 S508 FL501...

  • Page 50: Schematic Diagram-6/7 (Tuner)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM -6/7 (TUNER) 3 7 6 3 1 5 1 5 0 L904 FM MIXER FM TRACKING ADJ FM RF TUNER C.B L907 FM VT ADJ Q904 BAND FM IF AMP Q835 AM IF ADJ J832 FM75Ω 1 3 9 4 2 2 9 6 5 1 3 J940 (VT) AMLOOP...

  • Page 51: Wiring-4/5 (Tuner)

    http://www.xiaoyu163.com WIRING -4/5 (TUNER) 3 7 6 3 1 5 1 5 0 TUNER C.B D896 D801 J832 C906 FM 75Ω (GND) 1 3 9 4 2 2 9 6 5 1 3 TP4 (VT) J940 LOOP (LCH) (RCH) TO MAIN C.B w w w CN702 u 1 6 3...

  • Page 52: Schematic Diagram-7/7 (Pt)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM -7/7 (PT) 3 7 6 3 1 5 1 5 0 PT C.B AC 110V, 60Hz 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 -52- http://www.xiaoyu163.com...

  • Page 53: Wiring-5/5 (Pt)

    http://www.xiaoyu163.com WIRING -5/5 (PT) 3 7 6 3 1 5 1 5 0 PT C.B 1 3 9 4 2 2 9 6 5 1 3 W250 AC CORD AC 110V, 60Hz w w w u 1 6 3 -53- http://www.xiaoyu163.com...

  • Page 54: Fl (Hna-11 Sm26) Grid Assignment/Anode Connection

    http://www.xiaoyu163.com FL(HNA-11 SM26) GRID ASSIGNMENT / ANODE CONNECTION 3 7 63 1515 0 GRID ASSIGNMFNT L 13942296513 ANODE CONNECTION u163 -54- http://www.xiaoyu163.com...

  • Page 55: Electrical Adjustment

    http://www.xiaoyu163.com ELECTRICAL ADJUSTMENT -1/5 3 7 63 1515 0 TUNER ADJUSTMENT 1. Clock Check Requirements Measuring equipment: Frequency counter Test point: TP1 (CLOCK), GND 1) Adjust the reception frequency of the main unit to 1710KHz. ± 2) Check that the test point frequency is 2160 0.045KHz.
  • Page 56 http://www.xiaoyu163.com ELECTRICAL ADJUSTMENT -2/5 3 7 63 1515 0 < MW ADJUSTMENT> For FM adjustment, do wiring and connection as in the following. 5. MW IF Adjustment Requirement Measuring equipment: Oscilloscope or Millivoltmeter Test point: TP8(Lch), TP9(Rch), GND Adjustment point: L802 1) Adjust the setting of Standard Signal Generator (hereinafter S.S.G.) to 999KHz of 30% variation.
  • Page 57 http://www.xiaoyu163.com ELECTRICAL ADJUSTMENT -3/5 3 7 63 1515 0 < FM ADJUSTMENT> For FM adjustment, do wiring and connection as in the following. 7. FM Tracking Adjustment Requirement Measuring equipment: millivoltmeter Test point: TP8(Lch), TP9(Rch), GND Adjustment point: L904 1) Adjust the S.S.G. setting to 87.5KHz of 30% variation and reduce the output level all the way (till a certain degree of is monitored through the oscilloscope).
  • Page 58 http://www.xiaoyu163.com ELECTRICAL ADJUSTMENT -4/5 3 7 63 1515 0 CLOCK ADJUSTMENT AND CD CHECK MAIN PWB PATTERN SIDE CLOCK L401 IC301 IC401 Q301 Vref R315 1. Clock Adjustment Requirements Test point: CLOCK, GND Adjustment point: L401 1) While pressing and holding down the POWER button and the TUNER / BAND button, insert the AC plug to outlet.

  • Page 59: Electrical Adjustment

    http://www.xiaoyu163.com ELECTRICAL ADJUSTMENT -5/5 3 7 63 1515 0 3. Jitter Check 1) While oscilloscope is kept connected in the same test point as in OSCILLOSCOPE step2. RF WAVEFORM CHECK, connect the output terminal of JITTER METER an oscilloscope to the input terminal of the jitter meter. 2) Set the VOLT range selector of oscilloscope to 500mV range or OUTPUT INPUT...

  • Page 60: Cd Test Mode

    http://www.xiaoyu163.com CD TEST MODE -1/1 3 7 63 1515 0 1. How to Start the CD Test Mode While pressing the CD OPEN/PAUSE button, insert the AC plug to the power outlet. When the test mode is started, the message [CD TEST] is displayed. 2.

  • Page 61: Cd Mechanism Test Mode

    http://www.xiaoyu163.com CD MECHANISM TEST MODE -1/1 3 7 63 1515 0 1. How to Start Up the CD Mechanism Test Mode 1) While pressing the CD PLAY/PAUSE button, connect the AC power plug to wall outlet. After the message “CD TEST” appears on the display,all display tubes light and the mechanism enters the CD Test Mode. Then press the PRESET button.The display changes the message to “M/TEST”and the mechanism enters the CD Mechanism Test Mode.

  • Page 62: Ic Block Diagram

    http://www.xiaoyu163.com IC BLOCK DIAGRAM -1/2 3 7 63 1515 0 IC, BA5826FP L 13942296513 IC, LA1845N-A u163 -62- http://www.xiaoyu163.com...
  • Page 63 http://www.xiaoyu163.com IC BLOCK DIAGRAM -2/2 3 7 63 1515 0 IC, LB1645N IC, LC72131D-N Input logic circait IC, BD3882FV L 13942296513 BASS MIDDEL REAR BASS VOLUME REAR VOLUME FRONT 9.3k TREBLE VOLUME Logic Control FRONT TREBLE MIDDEL VOLUME 9.3k u163 -63- http://www.xiaoyu163.com...

  • Page 64: Ic Description-1/2 (Lc78646E)

    http://www.xiaoyu163.com IC DESCRIPTION -1/2 (IC, LC78646E) -1/2 3 7 63 1515 0 Pin No. Pin Name Description SLCO Slice level control output. SLCIST SLCO output current adjustment resistor connection pin. EFMIN RF signal input pin. RF monitor pin. RFVDD – RF power supply pin.
  • Page 65 http://www.xiaoyu163.com IC DESCRIPTION -1/2 (IC, LC78646E) -2/2 3 7 63 1515 0 Pin No. Pin Name Description LVDD – Left channel power supply pin. LCHO Left channel output pin. LVSS – Left channel ground pin. (Connected to 0V) RVSS – Right channel ground pin.

  • Page 66: Ic Description-2/2 (Lc876764A - 5Z85)

    http://www.xiaoyu163.com IC DESCRIPTION -2/2 (IC, LC876764A - 5Z85) -1/2 3 7 63 1515 0 Pin No. PinName Description O-CD DATA CD IC control data output. − Not use. O-CD DRAWER OPEN CD DRAWER open signal output. O-CD DRAWER CLOSE CD DRAWER close signal output. O-PLL CE/O-CLK PLL IC control chip enable output.
  • Page 67 http://www.xiaoyu163.com IC DESCRIPTION -2/2 (IC, LC876764A-5Z85) -2/2 3 7 63 1515 0 Pin No. PinName Description − 83,84 Not use. O-TU ON TUNER ON/_OFF control output. O-FUNC CLK FUNCTION IC control clock output. O-FUNC DATA FUNCTION IC control data output. O-POWER System power supply ON/_OFF output.

  • Page 68: Mechanical Exploded View

    http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW -1/1 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 -68- http://www.xiaoyu163.com...

  • Page 69: Mechanical Parts List

    X MC1001a 8C-CL3-010-010 WINDOW,DISP X MC1001a 8C-CL3-041-010 WINDOW,DISP UC EC12 X MC1001b 8C-CL3-210-010 SH,ADH WINDOW X MC1002 8C-CL4-008-010 KNOB,RTRY BT O MC1003 87-B00-048-010 BADGE,AIWA 27.5 ABS SIL ND063 O MC1004 8C-CL4-010-010 REFLECTOR,POWER O MC1005 8C-CL4-009-010 KEY,POWER X MC1006 8C-CL3-215-110 TUBE,COVER LED...

  • Page 70: Color Name Table

    http://www.xiaoyu163.com COLOR NAME TABLE -1/1 3 7 63 1515 0 Basic color symbol Color Basic color symbol Color Basic color symbol Color Black Cream Orange Green Gray Blue Transparent Blue Gold Pink Silver Titan Silver Brown Violet White Transparent White Yellow Transparent Yellow Metallic Blue...

  • Page 71: Cd Mechanism Exploded View (Cmcj0129)

    http://www.xiaoyu163.com CD MECHANISM EXPLODED VIEW -1/1 (CMCJ0129) 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 -71- http://www.xiaoyu163.com...

  • Page 72: Cd Mechanism Parts List (Cmcj0129)

    http://www.xiaoyu163.com CD MECHANISM PARTS LIST -1/1 (CMCJ0129) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.

  • Page 73: Speaker Disassembly Instructions

    http://www.xiaoyu163.com SPEAKER DISASSEMBLY INSTRUCTIONS -1/1 Type.4 Type.1 3 7 63 1515 0 TOOLS Insert a flat-bladed screwdriver into the position indicated by the Plastic head hammer arrows and remove the panel. Remove the screws of each speaker unit (-) flat head screwdriver andthen remove the speaker units.

  • Page 74: Speaker Parts List

    8C-CP3-002-010 CABI,B O SP1013 8C-CP3-003-010 GRILLE,FRAME ASSY X SP1014 8C-CP3-004-010 GRILLE,FRAME X SP1015 8C-CP3-005-010 NET, X SP1016 8C-CP3-006-010 BADGE,AIWA 27.5 B O SP1017 8C-CP3-602-010 SPKR, W 100 25/2 O SP1018 8C-CP4-001-010 RING,W O SP1019 8C-CP4-002-010 RING,TW X SP1020 8C-CP4-007-010 LBL,SPEC LEC12...

  • Page 75: Others Parts List (Cx-Slec10)

    http://www.xiaoyu163.com OTHERS PARTS LIST -1/1 (CX-SLEC10) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 76 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 0251431 http://www.xiaoyu163.com...

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