SYMPTOM

CAUSE

CURE

UNIT WILL NOT TURN ON.

1. DEFECTIVE POWER SWITCH:
2. FUSE BLOWN:
3. BROKEN DC POWER CABLE:
4. POOR SOLDER CONNECTION OR OTHER OPEN CONNECTION IN POWER CIRCUIT: 

NO SOUND.

1. DEFECTIVE EXTERNAL SPEAKER JACK:
2. POOR CONTACT ON MIC CONNECTOR:
3. DEFECTIVE PUSH SWITCH ON MIC:
4. DEFECTIVE INTERNAL SPEAKER:
5. DEFECTIVE D5, VR1 ,RV3 OR TRANSISTOR IN RX CIRCUIT:

1. REPAIR OR REPLACE.
2. REPAIR.
3. REPAIR OR REPLACE.
4. REPLACE SPEAKER.
5. REPLACE DEFECTIVE COMPONENTS.

NO TRANSMIT.

1. DEFECTIVE MIC:
2. DEFECTIVE PUSH SWITCH ON MIC:
3. IMPROPER ALIGNMENT OF OSC. OR TX SECTION:
4. DEFECTIVE D15:
5. DEFECTIVE FINAL:
6. LOOSE CONNECTION TO ANT. CONNECTOR:

1. REPAIR OR REPLACE MIC.
2. REPAIR OR REPLACE.
3. REALIGN
4. REPLACE.
5. REPLACE.
6. REPAIR.

NO MODULATION.

1. DEFECTIVE MIC:
2. DEFECTIVE MODULATION TRANSFORMER:
3. LOOSE MIC CONNECTION:
4. DEFECTIVE ACL CIRCUIT (Q10):

1. REPLACE.
2. REPLACE.
3. REPAIR.
4. REPLACE COMPONENTS.

SQUELCH ON.

1. DEFECTIVE Q11, CIRCUIT:
2. IMPROPER ADJUSTMENT:

1. REPLACE COMPONENTS.
2. READJUST.

METER DOES NOT OPERATE BUT CB WORKS NORMAL.

1. DEFECTIVE METER:
2. DEFECTIVE D28,D4,RV1 ,RV7:
3. LOOSE CONNECTION TO METER:

1. REPLACE.
2. REPLACE.
3. REPAIR.

NO SOUND AND NO MODULATION.

1. DEFECTIVE IC2:
2. DEFECTIVE C61:
3. DEFECTIVE T2: