Adjustment - JVC KW-NX7000J Service Manual

4.1 Test instruments required for adjustment
(1) Digital oscilloscope (100MHz)
(2) Digital tester
(3) Test Disc
(4) Extension cable : EXTXD002-60PF (CN881-CN503)
: EXTDV001-30PF (CN982-CN605)
: EXTLX001-4P (WR981-CN607)
: EXTFP001-30P (CN981-CN802)
: EXTFP001-12P (CN606-CN801)
: EXTCN001-6P (CN961-CN851)
: EXTJD001-14PF (CN983-CN653)
(5) Extension studs : STDV001-3P
4.5 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.
EXTXD002-60PF EXTXD002-60PF EXTXD002-60PF
EXTFP001-12P
CN961
EXTJD001-14PF EXTJD001-14PF EXTJD001-14PF
EXTCN001-6P
CN851
SECTION 4

ADJUSTMENT

(CN602-CN403)
EXTDV001-30PF
CN602
CN605
EXTLX001-4P
CN606
CN607
CN653
EXTJD001-14PF
EXTDV001-30PF
WR981
CN983 CN983 CN983
CN982 CN982 CN982
EXTLX001-4P EXTLX001-4P EXTLX001-4P
CN981
EXTFP001-30P
4.2 Standard measuring conditions
Load impedance 20K.(2 Speakers connection)
Power supply voltage DC14.4V(10.5 to 16V)
Output Level Line out 2.5V (Vol. MAX)
4.3 Standard volume position
Balance and Bass &Treble volume : lndication"0"
Loudness : OFF
4.4 Dummy load
Exclusive dummy load should be used for AM,and FM.
For FM dummy load, there is a loss of 6dB between
SSG outputand antenna input.
The loss of 6dB need not be considered sincedirect
reading offigures are applied in this working standard.
CN403 CN403 CN403
Extension studs
STDV001-3P
EXTXD002-60PF
CN881 CN881 CN881 CN881 CN881
CN503
EXTXD002-60PF
EXTFP001-30P
CN802
CN801
EXTFP001-12P
(No.MA427<Rev.001>)1-23