Adjustment; No.ma101)1 - JVC KD-AV7005 Service Manual

4.1 Adjustment method
4.1.1 Test instruments required for adjustment
(1) Digital oscilloscope (100MHz)
(2) Jitter meter
(3) Digital tester
(4) Digital multi meter (For voltage measurement)
(5) Electric voltmeter
(6) Frequency counter
(7) Tracking offset meter
(8) Test Disc : VT501 or VT502
(9) Extension studs : STDV001-3P
(10) Extension cable : EXTAV70X-50PF
4.1.3 Connection method
When confirming the mechanism movement, connect each unit shown in Fig.1.
Connection procedure
(1) Connect the front panel assembly to the main board.
(2) Attach the extension studs to the DVD mechanism assembly.
(3) Connect the DVD mechanism assembly and the main board with a extension cable.
(4) Connect the hideaway unit and the main board with an attached cable.
(5) Fix the mechanism cover with tape in the top drive unit.
(6) Hang the mechanism cover on the rear bracket.
(7) Spread the wooden boards under the top drive unit in order to put it up shown in Fig.1.
(8) Attach the display unit to the top drive unit.
SECTION 4

ADJUSTMENT

4.1.2 Standard measuring conditions
Power supply voltage
Load impedance
Line output
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.
DC14.4V(11 to 16V)
4Ω(2 Speakers connection)
20kΩ

(No.MA101)1-35