Alignment Procedures - Harman Kardon hk690 Technical Manual

ALIGNMENT PROCEDURES
Set the volume to minimum.
Set the speaker system switches 1 and 2 to OFF.
Make the adjustment at a room temperature of 25°C.
a Correct valu
Connect the digital voltmeter between TP1 and
VR401
+
bc betance |_sround.
(L channel)
Qetony
adjustment
Connect the digital voltmeter between TP2 and
VR402
0+10mV
ground. (R channel)
ats VR403
Taig
Connect the digital voltmeter to TP3 and TP4.
(L channel)
30mV
adjustment
igi
VR404
Connect the digital voltmeter to TP5 and TP6.
(R channel)
30mV
(
Repeat steps 1 through 4 after aging for 10 minutes.
«= TUNER SECTION
1. STANDARD FREQUENCY CHECK
Condition: « Set the function switch to FM.
2. AM ALIGNMENT
Conditions: ¢ Set the function switch to AM.
Set the muting switch to off (=).