2008 GEELY MK radio

Tester Connection Condition Standard Status
+B - GND Normal 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
4. Unable to receive radio broadcast (poor reception)
(1) Check if the radio auto-research function works
Perform the radio auto-research function to see if it works
Normal: Check and replace radio assembly
Abnormal: Check the antenna for noise
(2) Check the antenna for noise
a. Turn on radio to AM with the ignition switch ACC.
b. Touch the antenna of the seated antenna assembly with the tip of the screwdriver.Check the speaker for
noise.
Standard: There is noise
Normal: Check and replace radio assembly
Abnormal: Check antenna assembly
(3) Check antenna assembly
a. Remove the antenna plug from the antenna assembly
b. Check for noise

Connect the radio assembly connector and turn the ignition switch to ACC.

Turn on the radio to AM

Insert a flat pan screwdriver or metal object similar to thin wire into the hole in the antenna coaxial
cable. Check the speaker for noise.
Standard: There is noise.
Normal: Check and replace radio assembly
Abnormal: Check and replace antenna coaxial cable sub-assembly
5. Cassette tape can not be inserted or played.
(1) Check for foreign object

Check the radio assembly and cassette recorder for foreign object or defect.
Abnormal: Clean foreign object
Normal: Check cassette tape
(2) Check cassette tape

Check if the cassette tape is used to record music or sound.
Replace the tape with another tape and re-check if it is faulty. b. Check the voltage between terminals under each operating condition as shown in the table below.
Standard:Audio System -Audio System Inspection5-45

Tester connection Condition Standard Status
GND Nomal ON
Tester Connection Condition Standard Status
+B - GND Nomal10 ~ 14V
ACC - GND Ignition switch ACC or ON10 ~ 14V 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
6. The tape doesn't eject
(1) Press "EJECT" and check the operation

Press "EJECT" of the radio assembly. Check if the tape ejects.
Standard: The tape is ejected.
Abnormal: Check and replace radio assembly
Normal: Check cassette tape
(2) Check cassette tape

Check the ejected tape for trademark peeled off or tape box distortion or other issues
Standard: There is nothing wrong with the tape
Abnormal: There is something wrong with the tape
Normal: Replace it with another tape and re-check
(3) 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 and replace the recorder assembly (3) 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 function is normal
Normal: The tape is faulty
Abnormal: Check if the radio auto-research function works
(4) Check if the radio auto-research function works

Perform the radio auto-research function to see if it works
Standard: The operation works.
Normal: Check and replace radio assembly
Abnormal: Check radio assembly (+B, ACC, GND)
(5) 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 Inspection5-46

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

Tester connection Condition Standard Status
GND Nomal ON Normal: Replace the signal wire connecting magnet head unit and CD box
Abnormal: Check the radio assembly (+B, ACC, GND)
(3) Check the radio assembly (+B, ACC, GND)
a. Check the continuity between terminals under each operating condition as shown in the table below.
Standard: c. Check the voltage between terminals under each operating condition as shown in the table below.
Standard: Normal: Replace CD, DVD box
Abnormal: Check if the head unit side C socket voltage output is NORMAL
(2) Check if the head unit side C socket voltage output is NORMAL _
a. Turn the ignition switch to ACC
b. Check the continuity between the magnet head unit C socket terminals under each operating condition
as shown in the table below
Standard: c. Check the voltage between terminals under each operating condition as shown in the table below.
Standard: 9. The CD box can not eject after inserted
(1) Check if the CD box power supply is NORMAL
a. Turn the ignition switch to ACC
b. Check the continuity between the CD box terminals under each operating condition as shown in the
table below
Standard:Audio System -Audio System Inspection5-48Tester Connection Condition Standard Status
+B - GND Nomal 10~14V
ACC - GND Ignition switch ACC or ON 10~14VTester connection Condition Standard Status
GND Nomal ON
Tester Connection Condition Standard Status
+B - GND Nomal10 ~ 14V
ACC - GND Ignition switch ACC or ON10 ~ 14VTester connection Condition Standard Status
GND Nomal ON

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

Section 4 Audio System ReplacementI. Notice on operation Please explain to the customer that the AM/FM broadcast channel information will be cleared when removing
the battery negative terminal cable. Record the channel information before removing the negative terminal cable
if necessary. Reset after connecting the negative terminal cable.
All cassette tapes and CDs must be taken out before radio removal and installation.
If the cassette tapes and CDs can not be taken out due to radio fault. Do not take them out by force. Drive the
vehicle to Service Station.
Make sure the grounding bolts are tightened before antenna removal and installation.
There will be noise when receiving electric wave if the grounding bolts are not tightened.
Don't touch the speaker cone.II. Radio assembly1. Remove middle instrument board (see internal decorations)
2. Remove radio with bracket assembly
a. Remove four screws
b. Disconnect connector
3. Remove left bracket
a. Remove four screws
4. Remove right bracket
a. Remove four screws
5. Remove radio assemblyAudio System -Audio System Replacement5-52III. Front loudspeaker assembly
1. Remove door handhold
2. Remove front door electric piovted window switch assembly
3. Remove front door decorative internal plate assembly
4. Remove front door 5 inch loudspeaker assembly
a. Disconnect connector
b. Avert 3 rivets using a bit less than 4 mm (place bit in center
of rivet to bore out flange, be careful that newly cut rivet is
hot), take down loudspeaker assembly.
IV. Tweeter assembly
1. Remove door handhold
2. Remove front door electric piovted window switch assembly
3. Remove front door decorative internal plate assembly
4. Remove front door tweeter assembly
a. Disconnect connector
b. Remove two tapping screws and speaker assembly