Text preview for : clarion_db135_161.pdf part of clarion clarion db135 161 clarion DB-135 clarion_db135_161.pdf



Back to : clarion_db135_161.pdf | Home

Clarion ( Malaysia) Sdn. Bhd.
Published by Clarion (Malaysia)
To engineers in charge of repair or more than 30cms away from the lens. Prolonged
Phase 3, Free Trade Zone One, 11900 Bayan Lepas, Penang, Malaysia viewing of the laser within 30cms may damage your
289-6027-00 MAY 2003P
Tel: (60) 4-6439-106, Fax: (60) 4-6439-108
Clarion Co. Ltd. Printed In Malaysia inspection of our products. eyesight.
Export Division : 50 Kamitoda, Toda-shi, Saitama 335-8511 Japan
9. Cautions in handling the optical pickup



Service Manual
Before repair or inspection,make sure to follow the The laser diode of the optical pickup can be damaged
instructions so that customers and Engineers in charge of by electrostatic charge caused by your clothes and body.
repair or inspection can avoid suffering any risk or injury. Make sure to avoid electrostatic charges on your clothes
or body, or discharge static electricity before handling
1. Use specified parts. the optical pickup.
The system uses parts with special safety features 9-1.Laser diode
against fire and voltage. Use only parts with equivalent The laser diode terminals are shorted for transportation
characteristics when replacing them. in order to prevent electrostatic damage. After
replacement, open the shorted circuit. When removing
AM/FM Radio CD Combination The use of unspecified parts shall be regarded as re-
the pickup from the mechanism, short the terminals by
modeling for which we shall not be liable.The onus of
product liability (PL) shall not be our responsibility in soldering them to prevent this damage.
cases where an accident or failure is as a result of un- 9-2.Actuator
Model DB135 specified parts being used.
2. Place the parts and wiring back in their original
The actuator has a powerful magnetic circuit. If a
magnetic material is put close to it. Its characteristics
(Model:PE-2504B-B For U.S.A) positions after replacement or re-wiring. will change. Ensure that no foreign substances enter
For proper circuit construction, use of insulation tubes, through the ventilation slots in the cover.
bonding, gaps to PWB, etc, is involved. The wiring con- 9-3.Cleaning the lens
nection and routing to the PWB are specially planned Dust on the optical lens affects performance. To clean
using clamps to keep away from heated and high volt- the lens, apply a small amount of isopropyl alcohol to
age parts. Ensure that they are placed back in their origi- lens paper and wipe the lens gently.
nal positions after repair or inspection.
If extended damage is caused due to negligence during
repair, the legal responsibility shall be with the repairing
company. CAUTIONS
SPECIFICATIONS NOTE 3. Check for safety after repair. Use of controls, adjustments, or performance of procedures
1. We cannot supply PWB with component parts in Check that the screws, parts and wires are put back se- other those specified herein, may resault in hazardous
Radio section
principle. When a circuit on PWB has failure, please curely in their original position after repair. Ensure for radiation exposure.
Model: PE-2504B-B
repair it by component parts base. Parts which are safety reasons there is no possibility of secondary prob- The compact disc player should not be adjustment or repaired
Tuning system: PLL synthesizer tuner lems around the repaired spots.
not mentioned in service manual are not by anyone expext properly qualified service personnel.
Receiving frequencies: FM 87.9 to 107.9MHz (0.20 MHz If extended damage is caused due to negligence of re-
supplied.
steps) pair, the legal responsibility shall be with the repairing
(Model:PE-2504B-B)
AM 530 to 1,710kHz (10 kHz steps) FEATURES company.
1. Rotary Encoder Volume Control 4. Caution in removal and making wiring connection to
CD player section
2. Z-Enhancer with 3 Mode Sound Selector the parts for the automobile.
System: Compact disc audio system Disconnect the battery terminal after turning the ignition
Usable disc: Compact disc 3. FM Reception System
key off. If wrong wiring connections are made with the
Frequency response: 10Hz to 20kHz (+1dB) 4. Seek/Manual Up/Down Tuning
battery connected, a short circuit and/or fire may occur.
Signal to Noise ratio: 100dB (1kHz) IHF-A 5. 8-Times Oversampling Digital Filter and Dual 1-Bit
If extensive damage is caused due to negligence of re-
Dynamic range: 95dB (1kHz) D/A Converters pair, the legal responsibility shall be with the repairing
Distortion: 0.01% 6. Preset Station Scan (PS), Automatic Store (AS) company.
7. 2-Channel RCA Line Level Output 5. Cautions regarding chips.
General 8. AM 1 band, FM 3 bands each 6 channels total 24 Do not reuse removed chips even when no abnormality
Max. Power Output: 50W x 4 channels, Preset Memory Function is observed in their appearance. Always replace them
Line Output: 1.7V (with CD 1kHz, 10k ohm) 9. Repeat/Random Play/Intro Music Scan with new ones. (The chip parts include resistors, capaci-
Bass Control Action: +13dB / -13dB (30Hz) 10. 200W (50 W x 4) Maximum Power Output tors, diodes, transistors, etc). The negative pole of tan-
Trible Control Action:
+12dB / -12dB (10 kHz) talum capacitors is highly susceptible to heat, so use
Power supply voltage:DC 14.4V (10.8 to 15.6V allowable special care when replacing them and check the opera-
negative ground) tion afterwards.
Current consumption: Less than 15A
COMPONENTS 6. Cautions in handling flexible PWB.
Before working with a soldering iron, make sure that the
Speaker impedance: 4ohm (4ohm to 8ohm allowable) PE-2504B-B
iron tip temperature is around 270