CD player GEELY CK 2008 Workshop Manual

223tion Problems".
5. COMPACT DISC PLAYER
Compact Disc Players (hereinafter referred as CD) use a laser beam pick--up to read the digital signals
recorded on the CD and reproduce analog signals of the music, etc.
HINT:
Never attempt to disassemble or oil any part of the player unit.
Do not insert any object other than a disc into the disc box.
NOTICE:
CD players use an invisible laser beam which could cause hazardous radiation exposure. Be sure
to operate the player correctly as instructed.
6. MAINTENANCE
(1) Tape player/magnet head cleaning:
1Raise the cassette door with your finger.
Next, using a pencil or similar object, push in
the guide.
2Using a cleaning pen or cotton applicator soaked
in cleaner, clean the magnet head surface, pinch
rollers and tape press wheel.
(2) CD player/disc cleaning:
If the disc gets dirty, clean the disc by wiping the surface
from the center to outside in the radial directions with a
soft cloth.
NOTICE:
Do not use a conventional record cleaner or anti--
static preservative.ExampleMagnet HeadTape Press WheelPinch Roller

225Section 3 Audio System InspectionI TroubleshootingSymptom
Suspected Area
1. Ra dio a ssembly c ircuit fa ulty
2. Ra dio a ssembly
1. Ra dio a ssembly bac klight te rmina l
2. Ra dio a ssembly
1. Spea ker c irc uit
2. Ra dio a ssembly powe r c ircuit faulty
3. Ra dio a ssembly
1. Spea ker c irc uit
2. Ra dio a ssembly powe r c ircuit faulty
3. Ra dio a ssembly
1. Ante nna c ircuit
2. Ra dio a ssembly
1. Ta pe
2. Ra dio a ssembly powe r c ircuit faulty
3. Ra dio a ssembly
1. Ta pe
2. Ra dio a ssembly
1. Ta pe
2. Ra dio a ssembly
1. Ta pe
2. Ra dio a ssembly
1. Wire betwe en CD box a nd main unit
2. CD P la ye r ma in unit pow e r supply c irc uit fa ult
3. CD box
4. CD Player main unit
1. Wire betwe en CD box a nd main unit
2. CD box
3. CD
4. CD Player main unit
1. Wire betwe en CD box a nd main unit
2. CD box
3. CD
4. CD PLAYER main unit
1. Wire betwe en CD box a nd main unit
2. CD box
1. CD box
2. CD box installa tion Sound quality poor only when pla ying CD
(Volume faint)
CD sound jump Tape ja mme d, ma lfunc tion with tape
speed or auto-reverse
CD could not be inserted or ejected after
ins e r t e d.
P owe r c oming in, but CD playe r not
operating.
CD ca n not be ta ke n out Una ble to re ce ive ra dio broa dca st (poor
re ce ption)
The c a ssette c ould not be inserted or
playe d
Cassette tape will not be ejected
Sound qua lity poor only whe n playing
cassette tape Ra dio not operating when powe r switch
turned to “ON”.
The radio ba cklight doe s not light up with
t he illumina t ion s w it c h O N
Spe ake r soundless in all modes
Sound qua lity poor in all mode s (Volume
faint)

2327. Poor sound quality only when playing tape
(1) Replace it with another tape and re-check
yReplace the faulty tape with working tape to see if the same fault will re-occur.
Standard: The fault is cleared
Normal:There is something wrong with the tape
Abnormal:Check for foreign object
(2) Check for foreign object
yCheck the radio assembly and the cassette player for foreign objects or defects.
Abnormal:Clean foreign objects
Normal:Clean the magnet head and check operation
(3) Magnet Head Cleaning
1Raise the cassette door with your finger. Next, using a pencil or similar object, push in the guide.
2Using a cleaning pen or cotton applicator soaked in cleaner, clean the magnet head surface, pinch rollers
and tape press wheel.
3Check if the same fault reoccurs.
Normal:The magnet head is dirty
Abnormal:Check and replace radio assembly
8. Tape jammed, malfunction with tape speed or auto-reverse
(1) Check for foreign objects
yCheck the radio assembly and tape player for foreign objects and defects
Standard: No foreign objects or defects
Abnormal:Clean foreign objects
Normal:Replace it with another tape and re-check
(2) Replace it with another tape and re-check
yReplace the faulty tape with working tape (less than 90min) to see if the same fault will re-occur.
Standard: The fault is cleared.
Normal:There is something wrong with the tape
Abnormal:Clean the head
(3) Clean the magnet head
1Raise the cassette door with your finger. Next, using a pencil or similar object, push in the guide.
2Using a cleaning pen or cotton applicator soaked in cleaner, clean the magnet head surface, pinch rollers
and capstans.
3Check if the same fault reoccurs.
Normal: The head is dirty
Abnormal: Check and replace radio assembly

2342Check the voltage between terminals under each operating condition as shown in the table below.
Abnormal:Repair or replace wire harness and connector
Normal:Check and replace radio assembly
10. Power coming in, but CD player not operating.
(1) Press CD player "OPEN" to see if CD ejects.
No CD does not eject for inspection after being inserted
Yes Check if the right CD is inserted
(2) Check if the proper CD is inserted
1Check if the proper CD is inserted
2Make sure the working CD is music and it is not distorted, cracked, dirty, scratched or defected.
Standard: Working music CD
Description:
Semi-transparent CD or CD of strange shape can not be played.
Music CD recorded in PC CD-ROM and recorded CD-R can not be played.
Adapter is not needed to play 8cm CD.
Abnormal:There is something wrong with CD
Normal:Check and insert a proper CD
(3) Check and insert a proper CD
1Check and insert a proper CD.
2Check if CD is installed in reverse order.
Standard: No
Abnormal:Install the disc correctly
Normal:Clean the discTeste r Connec tion Condition Sta nda rd Sta tus
+B - GND Consta nt Status 10～
14V
ACC - GND Ignition switch ACC or ON 10～
14V

235(4) Replace it with another CD and re-check.
yReplace the faulty CD with working CD to see if the same fault re-occurs.
Standard: The fault is cleared
Abnormal:There is something wrong with CD
Normal:Check if the radio auto-research function works
(5) Check if the radio auto-research function works
yPerform the radio auto-research function
Standard: The fault is cleared.
Abnormal: Go to Step (9)
Normal:Has sudden temperature change occurred inside vehicle?
(6) Has sudden temperature change occurred inside vehicle?
yCheck if sudden temperature change has occurred inside vehicle
Standard: Sudden temperature change has occurred inside vehicle.
Description:
Formulation of dew condensation inside the CD player is due to temperature changes. CD may not play.
Normal:Formulation of dew condensation due to temperature changes (Leave it for a while before
using it)
Abnormal:Check the signal wire between the radio and disc box
(7) Check the signal wire for short circuit or open circuit.
Yes Replace the signal wire
No Replace the disc box
(8) Replace the disc box
Standard: The faulty is cleared
Normal:Box faulty
Abnormal:Check the radio assembly (+B, ACC, GND)
(9) Check the radio assembly (+B, ACC, GND)
1Check the continuity between terminals under each operating condition as shown in the table below.
Standard:
2Check the voltage between terminals under each operating condition as shown in the table below.
Standard:Teste r Connec tion Condition Sta nda rd Sta tus
+B - GND Consta nt Status 10～
14V
ACC - GND Ignition switch ACC or ON 10～
14VTester connection Condition Standard Status
GND Consta nt Status Continuity

237Standard: Installation correct
Abnormal:Install CD box correctly
Normal: Has suddentemperature change occurs inside the disk cabin?
(6) Has sudden temperature change occurs inside the disk cabin?
yCheck if sudden temperature change occurs inside the disk cabin?
Standard: Sudden temperature change occurs inside the disk cabin.
Description:
Formulation of dew condensation inside the CD player is due to temperature changes. CD may not play.
Normal:Formulation of dew condensation due to temperature changes (Leave it for a while before
using it)
Abnormal:Check and replace CD box