Aiwa CX-LEM330 Service Manual

Aiwa CX-LEM330 Service Manual

Compact disc deck receiver

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3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2004.06
CX-LEM330 is the Amplifier, CD player,
Tape Deck and Tuner section in XR-EM330.
TE
L 13942296513
Main unit
Amplifier section
European model:
DIN power output (rated): 11 + 11 W
Continuous RMS power output (reference):
Music power output (reference):
Other models:
The following measured at AC 230 V or AC 120 V, 50/
60 Hz
DIN power output (rated): 11 + 11 W
Continuous RMS power output (reference):
Inputs
MD (phono jacks):
Outputs
PHONES:
www
.
Sony Corporation
9-877-822-01
Home Audio Company
2004F1678-1
Published by Sony Engineering Corporation
© 2004.06
http://www.xiaoyu163.com
SPEAKER:
CD player section
Laser
(6 ohms at 1 kHz, DIN)
15 + 15 W
(6 ohms at 1 kHz, 10%
Frequency response
THD)
Tape deck section
25 + 25 W
Recording system
Frequency response
(6 ohms at 1 kHz, DIN)
Tuner section
15 + 15 W
FM stereo, FM/AM superheterodyne tuner
(6 ohms at 1 kHz, 10%
FM tuner section
THD)
Tuning range
Sensitivity 450 mV,
Antenna
impedance 47 kilohms
Antenna terminals
Intermediate frequency
Accepts headphones with
AM tuner section
an impedance of 8 ohms or
European model:
more
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ao
u163
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http://www.xiaoyu163.com
CX-LEM330
2 9
8
Model Name Using Similar Mechanism
CD
Base Unit Name
Section
Optical Pick-up Name
Tape deck
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
Accepts impedance of 6 to
16 ohms.
Semiconductor laser
(λ=780 nm)
Emission duration:
continuous
20 Hz – 20 kHz
4-track 2-channel, stereo
50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
87.5 – 108.0 MHz
FM lead antenna
75 ohms unbalanced
10.7 MHz
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
COMPACT DISC DECK RECEIVER
co
.
9 4
2 8
AEP Model
UK Model
E Model
Australian Model
HCD-NE5
BU-K7BD81B
KSM-213EDP/C2NP
HCD-NE5
CMAL5Z220A
0 5
8
2 9
9 4
2 8
Other models:
530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
Antenna
AM loop antenna, external
antenna terminal
Intermediate frequency
450 kHz
General
Power requirements
European model:
230 V AC, 50/60 Hz
Korean model:
220 V AC, 60 Hz
Australian model:
230 – 240 V AC, 50/60 Hz
Taiwanese model:
120 V AC, 50/60 Hz
Mexican model:
120 V AC, 60 Hz
Other models:
110 – 120 V or 220 – 240 V
AC, 50/60 Hz
Adjustable with voltage
selector
Power consumption
50 W
0.3 W (in Power Saving
Mode)
— Continued on next page —
m
9 9
9 9

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Summary of Contents for Aiwa CX-LEM330

  • Page 1 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model Ver 1.0 2004.06 E Model Australian Model CX-LEM330 is the Amplifier, CD player, Tape Deck and Tuner section in XR-EM330. Model Name Using Similar Mechanism HCD-NE5 Base Unit Name BU-K7BD81B Section...
  • Page 2 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
  • Page 3: Table Of Contents

    CX-LEM330 3 7 63 1515 0 TABLE OF CONTENTS SERVICING NOTES DIAGRAMS ..........4 7-1. Block Diagram – CD Servo Section – ......16 GENERAL – MAIN Section – ............17 ..............6 7-2. Printed Wiring Board – CD Board – ......18 7-3.
  • Page 4: Servicing Notes

    CX-LEM330 SECTION 1 3 7 63 1515 0 SERVICING NOTES MODEL IDENTIFICATION NOTES ON HANDLING THE OPTICAL PICK-UP – Back Panel – BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc.
  • Page 5 CX-LEM330 3 7 63 1515 0 SERVICE POSITION OF THE TAPE CASSETTE MECHANICAL DECK Tape Cassette Mechanical Deck (CMAL5Z220A) L 13942296513 SERVICE POSITION OF THE AMP BOARD AMP board u163 http://www.xiaoyu163.com...
  • Page 6: General

    CX-LEM330 SECTION 2 This section is extracted from instruction manual. 3 7 63 1515 0 GENERAL List of button locations and reference pages How to use this page Illustration number Use this page to find the location of buttons and other...
  • Page 7: Setting The Clock

    CX-LEM330 3 7 63 1515 0 Remote control ALPHABETICAL ORDER BUTTON DESCRIPTIONS ?/1 (power) 1 (7, 19, 20, 25) A – O P – Z m/M (rewind/fast forward) ALBUM +/– qa (10, 11, 16) PLAY MODE qk (9, 11, 24)
  • Page 8: Disassembly

    CX-LEM330 SECTION 3 3 7 63 1515 0 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. REAR CABINET (Page 8) 3-2. TOP PANEL ASSY (Page 9) 3-3. FRONT PANEL ASSY 3-4. BASE UNIT (Page 9)
  • Page 9: Top Panel Assy

    CX-LEM330 3 7 63 1515 0 3-2. TOP PANEL ASSY 6 top panel assy 5 connector (S820) 4 wire (flat type) (27 core) (CN305) 2 claw L 13942296513 1 claw 3-3. FRONT PANEL ASSY 2 wire (flat type) (16 core) (CN303) q;...
  • Page 10: Base Unit (Bu-K7Bd81B)

    CX-LEM330 3 7 63 1515 0 3-4. BASE UNIT (BU-K7BD81B) 8 base unit (BU-K7BD81B) 5 two washers 7 two washers 4 two screws 6 two screws 3 wire (flat type) (27core) (CN201) 2 CD cover L 13942296513 1 three screws (BTP2.6 ×...
  • Page 11: Main Board

    CX-LEM330 3 7 63 1515 0 3-6. MAIN BOARD 8 MAIN board 6 Remove the solder. 1 connector (CN307) 4 screw 2 connector (CN308) (BVTP3 × 10) 7 tuner (FM/AM) L 13942296513 3 connector (CN903) 3-7. AMP BOARD 1 connector...
  • Page 12: Test Mode

    A10 CE2 distination (In this case, UK model) model name (In this case, CX-LEM330) 5. To exit from this mode, perform the “COLD RESET”. TUNER STEP CHANGE-OVER (EXCEPT FOR AEP, UK MODEL) • Either the 9 kHz step or 10 kHz step can be selected for the AM channel step.
  • Page 13: Mechanical Adjustments

    CX-LEM330 SECTION 5 SECTION 6 3 7 63 1515 0 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS TAPE MECHANISM DECK SECTION DECK SECTION 0 dB = 0.775 V Precaution 1. Clean the following parts with a denatured alcohol-moistened Precaution swab: 1. Demagnetize the record/playback head with a head record/playback heads pinch rollers demagnetizer.
  • Page 14: Cd Section

    CX-LEM330 3 7 63 1515 0 3. Mode: Playback FOCUS BIAS CHECK oscilloscope (DC range) MAIN board CD board test tape SPEAKER terminal (J302) L-CH P-4-A100 oscilloscope TP (RFACO) (10 kHz, – 10 dB) TP (VC) – L-CH Procedure : 1.
  • Page 15: Diagrams

    CX-LEM330 SECTION 7 3 7 6 3 1 5 1 5 0 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Circuit Boards Location (In addition to this, the necessary note is printed in each block.) For Schematic Diagrams.
  • Page 16: Block Diagram - Cd Servo Section

    CX-LEM330 7-1. BLOCK DIAGRAM — CD SERVO SECTION — 3 7 6 3 1 5 1 5 0 FILTER XTSL CD DSP XTAO IC101 (1/2) X171 CLOCK 51 53 50 52 DETECTOR XTAI D +3.3V 16.9344MHz GENERATOR XTACN RFACI...
  • Page 17: Main Section

    CX-LEM330 — MAIN SECTION — 3 7 6 3 1 5 1 5 0 POWER J303 19 AUX-L IC501 R-CH OUT-L +INA OUTA J301 PHONES CD SERVO 21 CD-L Section R-CH +INB OUTB • R-ch is omitted due to same as L-ch.
  • Page 18: Printed Wiring Board - Cd Board

    CX-LEM330 • See page 15 for Circuit Boards Location. 7-2. PRINTED WIRING BOARD — CD BOARD — :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 CD BOARD (COMPONENT SIDE) M101 (SPINDLE) CD BOARD (CONDUCTOR SIDE)
  • Page 19: Schematic Diagram - Cd Board

    CX-LEM330 7-3. SCHEMATIC DIAGRAM — CD BOARD — • See page 28 for Waveforms. • See page 28 to 30 for IC Block diagrams. 3 7 6 3 1 5 1 5 0 C131 100p TP423 IOP1 C142 1500p...
  • Page 20: Printed Wiring Board - Main Board

    CX-LEM330 • See page 15 for Circuit Boards Location. 7-4. PRINTED WIRING BOARD — MAIN BOARD — :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 CONTROL BOARD BOARD BOARD CN201 CNB303 CN308 (Page 18) (Page 24)
  • Page 21: Schematic Diagram - Main Board

    CX-LEM330 7-5. SCHEMATIC DIAGRAM — MAIN BOARD — • See page 28 for Waveforms. • See page 31 for IC Block diagram. 3 7 6 3 1 5 1 5 0 AMP BOARD MAIN BOARD CN308 (Page 23) SPEAKER...
  • Page 22: Printed Wiring Board - Amp Section

    CX-LEM330 • See page 15 for Circuit Boards Location. 7-6. PRINTED WIRING BOARD — AMP SECTION — :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 MAIN BOARD MAIN BOARD CNB307 CNB308 AMP BOARD (Page 20)
  • Page 23: Schematic Diagram - Amp Section

    CX-LEM330 7-7. SCHEMATIC DIAGRAM — AMP SECTION — 3 7 6 3 1 5 1 5 0 AMP BOARD HP BOARD PHONES MAIN BOARD CNB308 (Page 21) 1SS133T-77 MAIN BOARD 1SS133T-77 CN501B (Page 21) 1 3 9 4 2 2 9 6 5 1 3 M301 24.5...
  • Page 24: Printed Wiring Board - Control Board

    CX-LEM330 • See page 15 for Circuit Boards Location. 7-8. PRINTED WIRING BOARD — CONTROL BOARD — :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 CONTROL BOARD • Semiconductor Location Ref. No. Location D803 D807...
  • Page 25: Schematic Diagram - Control Board

    CX-LEM330 7-9. SCHEMATIC DIAGRAM — CONTROL BOARD — • See page 28 for Waveforms. • See page 32 for IC Pin Function Description. 3 7 6 3 1 5 1 5 0 CONTROL BOARD FLUORESCENT INDICATOR TUBE IC802 IC802...
  • Page 26: Printed Wiring Board - Power Board

    CX-LEM330 • See page 15 for Circuit Boards Location. 7-10. PRINTED WIRING BOARD — POWER BOARD — :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 MAIN BOARD CNB903 (AC IN) POWER BOARD (Page 20) • Semiconductor Location Ref.
  • Page 27: Schematic Diagram - Power Board

    CX-LEM330 7-11. SCHEMATIC DIAGRAM — POWER BOARD — 3 7 6 3 1 5 1 5 0 POWER BOARD MAIN POWER Not replaceable : TRANSFORMER Built in transformer S901 (MX, SP, TW, AR, E51, AUS) (MX, SP, TW, AR, E51)
  • Page 28 CX-LEM330 3 7 6 3 1 5 1 5 0 • IC Block Diagrams • Waveforms – CD Board – – MAIN Board – – CONTROL Board – – CD Board – IC101 yd (LRCK) Q344 collector IC801 qd (O-XT2)
  • Page 29 CX-LEM330 3 7 63 1515 0 IC251 BA5947FM MUTING + – INTERFACE LEVEL SHIFT INTERFACE INTERFACE VREF L 13942296513 IC303 BH15FB1WG THERMAL PROTECTION OVER CURRENT PROTECTION VOLTAGE CONTROL REFERENCE BLOCK u163 http://www.xiaoyu163.com...
  • Page 30 CX-LEM330 3 7 63 1515 0 IC301 TC94A34FG-002 Timing Generator VDDP PO5/AD5 /RESET PO6/AD6 STANDBY PO7AD7 /MICS /MILP MIDIO AD10 VDDT /MICK L 13942296513 /MIACK/ SRMSTB AD16 VDDT VDDM PO8/AD11 SDO0 PO9/AD12 /CCE/ PO10/ BCKO AD13 BUCK/ PO11/ LRCKO...
  • Page 31 CX-LEM330 3 7 63 1515 0 – MAIN Board – IC302 BD3881FV BASS BASS VOLUME TREBLE LOGIC CONTROL VOLUME TREBLE L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 32 CX-LEM330 3 7 63 1515 0 • IC Pin Function Description • CONTROL BOARD IC801 LC876980B-52T4-E (SYSTEM CONTROLLER) Pin No. Pin Name Description MI-ACK Acknowledge signal input from the MP3 decoder MP3-RST Reset signal output to the MP3 decoder...
  • Page 33 CX-LEM330 3 7 63 1515 0 Pin No. Pin Name Description TU CE Chip enable signal output to the FM/AM tuner unit TU CLOCK Serial data transfer clock signal output to the FM/AM tuner unit TU DI Serial data input from the FM/AM tuner unit...
  • Page 34: Exploded Views

    CX-LEM330 SECTION 8 3 7 63 1515 0 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Abbreviation The components identified by mark 0 or may have some difference from the original : Australian model dotted line with mark 0 are critical for safety.
  • Page 35: Front Panel Assy-1

    CX-LEM330 3 7 63 1515 0 8-2. FRONT PANEL ASSY-1 not supplied not supplied not supplied not supplied L 13942296513 not supplied (HP board) front panel assy-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark...
  • Page 36: Front Panel Assy-2

    CX-LEM330 3 7 63 1515 0 8-3. FRONT PANEL ASSY-2 not supplied L 13942296513 not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-4956-356-1 LID, CASS ASSY (X) 4-231-841-01 SPRING (HEART CAM-B)
  • Page 37: Top Panel Assy

    CX-LEM330 3 7 63 1515 0 8-4. TOP PANEL ASSY S820 L 13942296513 not supplied not supplied not supplied S101 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark not supplied 4-246-194-21 CHASSIS, CD 4-247-493-01 COVER, CD...
  • Page 38: Electrical Parts List

    CX-LEM330 SECTION 9 3 7 63 1515 0 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference number, parts list may be different from the parts are seldom required for routine service.
  • Page 39 CX-LEM330 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C125 1-164-360-11 CERAMIC CHIP 0.1uF < CONNECTOR > C131 1-162-927-11 CERAMIC CHIP 100PF C132 1-117-863-11 CERAMIC CHIP 0.47uF 6.3V CN101 1-770-425-11 CONNECTOR, FFC/FPC 16P...
  • Page 40 CX-LEM330 CONTROL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R313 1-216-813-11 METAL CHIP 1/10W C842 1-162-964-11 CERAMIC CHIP 0.001uF R351 1-216-809-11 METAL CHIP 1/10W < CONNECTOR > R352 1-216-809-11 METAL CHIP...
  • Page 41 CX-LEM330 3 7 63 1515 0 CONTROL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R861 1-216-833-11 METAL CHIP 1/10W R862 1-216-845-11 METAL CHIP 100K 1/10W R801 1-216-841-11 METAL CHIP 1/10W R863...
  • Page 42 CX-LEM330 CONTROL 3 7 63 1515 0 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark RP03 1-216-845-11 METAL CHIP 100K 1/10W < FERRITE BEAD > RP04 1-216-845-11 METAL CHIP 100K 1/10W RP05 1-216-845-11 METAL CHIP...
  • Page 43 CX-LEM330 3 7 63 1515 0 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C219 1-115-416-11 CERAMIC CHIP 0.001uF < CONNECTOR > C227 1-162-962-11 CERAMIC CHIP 470PF C232 1-126-963-11 ELECT 4.7uF * CN301 1-564-709-11 PIN, CONNECTOR (SMALL TYPE) 7P...
  • Page 44 CX-LEM330 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JUMPER RESISTOR > R118 1-216-829-11 METAL CHIP 4.7K 1/10W R119 1-216-823-11 METAL CHIP 1.5K 1/10W JW323 1-410-509-11 INDUCTOR 10uH...
  • Page 45 CX-LEM330 3 7 63 1515 0 MAIN POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R320 1-216-829-11 METAL CHIP 4.7K 1/10W A-1059-097-A POWER BOARD, COMPLETE (KR) R321 1-216-845-11 METAL CHIP 100K 1/10W A-4752-018-A POWER BOARD, COMPLETE (SP, E51)
  • Page 46 CX-LEM330 POWER 3 7 63 1515 0 Ref. No. Part No. Description Remark < RELAY > 0 RY901 1-755-276-11 RELAY, POWER < SWITCH > 0 S901 1-571-309-11 SWITCH (VOLTAGE SELECTOR) (MX, SP, TW, AR, E51, AUS) < TRANSFORMER >...
  • Page 47 CX-LEM330 3 7 63 1515 0 MEMO L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 48 CX-LEM330 3 7 63 1515 0 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page.

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