Geely CK (2008). Manual part — 57
Geely CK (2008). Manual part - 57
225
Section 3 Audio System Inspection
I Troubleshooting
Symptom
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
4. CD Player main unit
1. Wire between CD box and main unit
2. CD box
3. CD
4. CD PLAYER main uni t
1. Wire between CD box and main unit
2. CD box
1. CD box
2. CD box installation
Sound quality poor only when playing CD
(Volume faint)
CD sound jump
Tape jammed, malfunction with tape
speed or auto-reverse
CD could not be inserted or ejected after
inserted.
Power coming in, but CD player not
operating.
CD can not be taken out
Unable to receive radio broadcast (poor
reception)
The cassette could not be inserted or
played
Cassette tape will not be ejected
Sound quality poor only when playing
cassette tape
Radio not operating when power switch
turned to “ON”.
The radio backlight does not light up with
the illumination switch ON
Speaker soundless in all modes
Sound quality poor in all modes (Volume
faint)
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II. Inspection
1. Power switch system doesn't work
Wiring Diagram
(1) Check radio assembly (+B, ¬ACC, ¬GND)
1
Check the continuity between terminals under each operating condition as shown in the table below
Standard:
2
Check the voltage between terminals under each operating condition as shown in the table
Standard:
Normal:
Repair or replace wire harness, connector
Abnormal: Check or replace radio assembly
Main Fuse Box
Radio and CD
Battery
Fusible Link Box
Ignition Switch
Tester connection
Condition
Standard Status
GND
Constant Status
Continuity
Tester Connection
Condition
Standard Status
+B - GND
Constant Status
10~14V
ACC - GND
Ignition switch ACC or ON
10~14V
227
2. The radio backlight does not light up with the illumination switch ON
Wiring Diagram
(1) Check radio assembly (TAIL)
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
Main Fuse Box
Radio and CD
Fusible Link Box
Battery
Light
Control
Switch
Battery
Tester Connection
Condition
Standard Status
TAIL - GND
Combined Switch (Light switch)
10~14V
228
3. Speaker soundless in all modes
Wiring Diagram
(1) Check LCD (Liquid Crystal Display) illumination
1
Turn ignition switch to ACC
2
Connect radio assembly continuity
3
Switch on position lamp
Standard: Radio assembly LCD light goes on
Abnormal:Go to Step (7)
Normal:Go to Next Step
(2) Control volume and adjust volume balance
Operate the radio assembly to adjust volume balance and find soundless speaker
Check and replace the radio assembly if all the speakers are soundless
Check and replace the soundless speakers if some of the speakers are soundless
Main Fuse Box
Radio and CD
Ignition switch
Fusible Link Box
Battery
Left Rear Speaker
Right Rear Speaker
Left tweeter Speaker
Right tweeter Speaker
Left Front Speaker
Right Front Speaker
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