2008 GEELY MK CD player

Suspected Area
1. Radio assembly circuit faulty
2. Radio assembly
1. Radio assembly backlight terminal
2. Radio assembly
1. Speaker circuit
2. Radio assembly power circuit faulty
3. Radio assembly
1. Speaker circuit
2. Radio assembly power circuit faulty
3. Radio assembly
1. Antenna circuit
2. Radio assembly
1. Tape
2. Radio assembly power circuit faulty
3. Radio assembly
1. Tape
2. Radio assembly
1. Tape
2. Radio assembly
1. Tape
2. Radio assembly
1. Wire between CD box and main unit
2. CD Player main unit power supply circuit fault
3. CD box
4. CD Player main unit
1. Wire between CD box and main unit
2. CD box
3. CD bag
4. CD Player main unitSection 3 Audio System InspectionI. Symptom analysisSymptom
The system doesn't work when power is ON.
The radio backlight does not light up with the
illumination switch ON
Speaker soundless in all modes
Poor sound quality in all modes (Volume faint)
Unable to receive radio broadcast (poor
reception)
The cassette could not be inserted or played
Cassette tape will not be ejected
Poor sound quality only when playing cassette
tape
Tape jammed, malfunction with tape speed or
auto-reverse
CD could not be inserted or ejected after in-
serted
CD player doesn't work even if power is onAudio System -Audio System Inspection5-41

Suspected Area
1. Wire between CD box and main unit
2. CD box
3. CD bag
4. CD PLAYER main unit
1. Wire between CD box and main unit
2. CD box
1. CD box
2. CD box installation Symptom
CD can not be taken out
Sound quality poor only when playing CD
(Volume faint)
CD sound jumpTester connection Condition Standard state
GND and vehicle earth Normal status ON
Tester connection Condition Standard state
+B and GND Normal status 10-14V
ACC and GND Ignition switch is in ACC or ON 10-14VII. Trouble shooting1. Power switch system does
not work
Circuit diagram
Abnormal, repair or replace wiring harness, connector
Normal, check and replace radio assembly (1) Check radio assembly (+ B, ACC, GND)
a. As shown in the table below, check connection between terminals in each operating condition.
Standard:
b. As shown in the table below, check voltage between terminals in each operating condition.
Standard:Fuse Box in Engine
CompantmentAudio System -Audio System Inspection5-42MAIN
60AFuse Box under
Instrument Panel

Audio System -Audio System Inspection5-477. Poor sound quality only when playing tape
(1) Replace it with another tape and re-check

Replace 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

Check 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
a. Raise the cassette door with your finger. Next, using a pencil or similar object, push in the guide.
b. Using a cleaning pen or cotton applicator soaked in cleaner,clean the magnet head surface,pinch rollers
and tape press wheel.
c. Check 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

Check 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

Replace 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
a. Raise the cassette door with your finger. Next, using a pencil or similar object, push in the guide.
b. Using a cleaning pen or cotton applicator soaked in cleaner, clean the magnet head surface, pinch rollers
and capstans.
c. Check whether the same fault re-occurs.
Normal: The magnet head is dirty
Abnormal: Check and replace radio assembly

b. Check the voltage between terminals under each operating condition as shown in the table below.
Standard:
Abnormal: Repair or replace wire harness and connector
Normal: Check and replace radio assembly
10. Power coming in, but CD player doesn't work.
(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
a. Check if the proper CD is inserted
b. Make 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
a. Check and insert a proper CD
b. Check if CD is installed in reverse order.
Standard: Not installed in reverse order
Abnormal: Install the disc correctly
Normal: Clean the disc
(4) Clean the CD

If the CD is dirty, use soft cloth to wipe the CD surface in the arrow direction.
Notice:
Do not use cleanser for normal radio or anti-static-electricity repellent to clean the CD.
Normal: Dirty CD
Abnormal: Replace it with another CD and recheck itAudio System -Audio System Inspection5-49Tester Connection Condition Standard Status
+B - GND Nomal 10~14V
ACC - GND Ignition switch ACC or ON 10~14V

Abnormal: Repair or replace wire harness and connector
Normal: Check and replace radio assembly
11. Sound quality poor only when playing CD (Volume faint)
(1) Replace it with another CD and re-check
Normal: CD failure b. Check the voltage between terminals under each operating condition as shown in the table below
Standard: (5) Replace it with another CD and re-check.

Replace 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
(6) Check if the radio auto-research function works

Perform the radio auto-research function

Standard: The fault is cleared.

Abnormal: Go to Step (9)

Normal: Has sudden temperature change occurred inside vehicle?
(7) Has sudden temperature change occurred inside vehicle

Check 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.

Abnormal: Formulation of dew condensation due to temperature changes (Leave it for a while before using it)

Normal: Check the signal wire between the radio and disc box
(8) Check the signal wire for short circuit or open circuit.

Yes Replace the signal wire

No Replace the disc box
(9) Replace the disc box

Standard: The faulty is cleared

Normal: Box faulty

Abnormal: Check the radio assembly (+B, ACC, GND)
(10) Check the radio assembly (+B, ACC, GND)
a. Check the continuity between terminals under each operating condition as shown in the table below.
Standard:Audio System -Audio System Inspection5-50Tester connection Condition Standard Status
GND Nomal ON
Tester Connection Condition Standard Status
+B - GND Nomal 10~14V
ACC - GND Ignition switch ACC or ON 10~14V

Audio System -Audio System Inspection5-51 Abnormal: Replace the disc box
(2) Replace the disc box
Normal: Box damaged
Abnormal: Check and replace radio assembly
12. CD sound jump
(1) 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.

Standard: The fault is cleared.

Normal: The disc is dirty

Abnormal: Replace it with another CD and re-check.
(2) Replace it with another CD and re-check. Standard: The fault is cleared.

Normal: CD failure

Abnormal: Check when it will happen
(3) Check when it will happen

Check where sound jump will happen Standard: Drive on bumpy road

Normal: Replace CD box

Abnormal: Compare with other vehicles of the same model
(4) Compare with other vehicles of the same model

Compare with other vehicles of the same model of no fault. Check for any difference when faulty occurs.

Standard: No difference is found.

Normal: Make sure there is no difference

Abnormal: Check CD box installation
(5) Check CD box installation

Check CD box installation

Standard: Installation correct

Abnormal: Install CD box correctly

Normal: Has sudden temperature change occurs inside the disk cabin?
(6) Has sudden temperature change occurs inside the disk cabin?

Check 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

Chapter 5 Dashboard, Middle Console and Instrument PanelI.Component View
II.Component ViewInstrument panel upper housing assy
Upper housing
CD player housingInstrument cluster assyInterior & Exterior Trim and Accessory -Dashboard, Middle Console and Instrument Panel6-11