Installation - Kenwood NXR-800 Service Manual

NXR-800
1. OCXO (KXK-3)
1. Before installing the KXK-3, be sure to turn the power off.
2. Remove the top cover of the TX unit.
3. Mount the KXK-3 using the 5 screws.
4. Carefully connect and lock the flat cable to CN1 and
CN803, with the conductor side facing in.
5. Connect the coaxial cable to CN2 and CN407.
6. Connect the 2-pin cable to CN3 and CN807.
CN3
CN2
2. External Speaker (KES-5)
The NXR-800 has a internal built-in speaker, and the ex-
ternal speaker output from the TEST/SPKR connector (15-
pin) on the rear of the radio is 3W/4Ω. Use external speaker
KES-5.
2-1. Connection for the KES-5 With the NXR-800
■ When taking the AF output from the TEST/SPKR
connector (15-pin) on the rear of the radio
The following tools are required for changing the connec-
tor.
• Extracting tool
The following extracting tool is recommended:
Molex Inc. Order No.: 11-03-0002 (W05-0878-00)
6

INSTALLATION

CN1
Conductor side
CN407
CN807
CN803
Fig. 1
1. Remove the connector with jumper from the external
speaker connector on the rear panel of the radio. (Fig. 2-1)
Note: Save the jumper, which is required when the radio
is used without the external speaker.
2. Remove the terminals with the jumper from the connec-
tor housing holes number 9 and 12 using the extracting
tool.
Removing the jumper lead (Fig. 2-2)
1) Insert the extracting tool (11-03-0002) into the connec-
tor while pushing the jumper lead in the direction of (a).
2) Push the extracting tool into collapse the barbs of the
crimp terminal.
3) Pull out the lead while continuing to push the extract-
ing tool in the direction (b).
3. Reinsert the terminal with the black and white stripe lead
into hole number 12, and the terminal with the black lead
into hole number 6. (Fig. 2-3)
4. Attach the connector to the external speaker connector
on the radio.
Notes:
• Relationship between TEST/SPKR connector (15-pin) con-
nection and speaker output.
• When pins 9 and 12 are shorted: Built-in internal speaker
is used.
• When pins 9 and 12 are open and output is from pins 6
and 12: KES-5 is used.
Square-type plug
(E31-3228-05)
Accessory
Fig. 2-1
Extracting tool
(11-03-0002)
Crimp termial
Fig. 2-2
(a)
(b)
Jumper lead
Barbs
Crimp termial