Adjustment - JVC KD-ADV7380J Service Manual

4.1 Test instruments required for adjustment
(1) Digital oscilloscope (100MHz)
(2) Jitter meter
(3) Digital tester
(4) Electric voltmeter
(5) Tracking offset meter
(6) Test Disc : VT501 or VT502
(7) Extension studs : STDV001-3P
(8) Extension cable : EXTDV002-30P
4.3 Connection method
Connection procedure
(1) Attach the front chassis assembly to the main board.
(2) Connect the front panel assembly to the main board.
(3) Attach the heat sink and rear bracket to the main board.
(4) Attach the extension studs to the DVD mechanism assembly.
(5) Connect the DVD mechanism assembly and the main board with a extension cable.
Extension cable
EXTDV002-30P
SECTION 4

ADJUSTMENT

4.2 Standard measuring conditions
Power supply voltage : DC14.4V(11V to 16V)
Load impedance : 4 Ω (2 Speakers connection)
Line output : 20k Ω
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.
Extension stud
STDV001-3P
Extension stud
STDV001-3P
(No.MA312)1-25