Adjustment - JVC KW-ADV794J Service Manual

4.1 Service mode
4.2 Test instruments required for adjustment
(1) Digital oscilloscope (100MHz)
(2) Digital tester
(3) Test Disc
(4) Extension cable :EXTXD001-50PF (CN403 --- CN105)
4.5 Dummy load
Exclusive dummy load should be used for AM and FM.
For FM dummy load, there is a loss of 6dB between SSG output and antenna input.
The loss of 6dB need not be considered since direct reading of figures are applied in this working standard.
4.6 How to connect the extension cable for adjusting
Caution:
Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regulator IC respectively, before supply the power.
If voltage is applied without attaching these parts, the power amplifier IC and regulator IC will be destroyed by heat.
1-16 (No.MA493<Rev.002>)
SECTION 4

ADJUSTMENT

4.3
4.4
CN403
EXTXD001-50PF
Standard measuring conditions
Power supply voltage DC14.4V(10.5 to 16V)
Load impedance 20K ohm (2 Speakers connection)
Output Level Line out 2.5V (Vol. MAX)
Standard volume position
Balance and Bass &Treble volume : lndication"0"
Loudness : OFF
CN105