JVC KD-DV5000, Service Manual

Page: 23 / 30

(No.49879)1-23
SECTION 5
TROUBLE SHOOTING
5.1 Service mode
„
Standard input/output conditions
„
Service mode setting procedure
Power supply voltage : DC14.4V (11V to 16V)
Load impedance
: 4
Ω
(2 Speakers connection)
Line output : 20k
Ω
TI 2 1 D
SRC
DISP
ATT
MODE
M
SEL 3 4 5 6
(a) SEL (e) 6 (d)
(b) ATT (c) SRC
(The DVD does not need to be loaded before starting the following procedure.)
With the unit turned on, perform the following steps.
1. While holding the button (a), press buttons (b) and (c) together so that the LCD displays the following:
AREA/REGION
VERSION
RUNNING MODE
CHECK MODE
EXPERT MODE
2. Press button (b) three times in order to select "CHECK MODE," and then press button (a) so that the LCD
displays the following.
CHECK MODE
PRESS A/D KEY
Load the test DVD (VT501 or VT502) (this operation is not necessary if the disc has been loaded before
starting this procedure), and then press button (e) so that the LCD displays the following.
CHECK MODE
PRESS A/D KEY
DUDx1 JITTER MODE
CURRENT:
JITTER:
When the LCD displays the above, the unit is in the jitter adjustment mode.
is a hex number. (Refer to section 4.5, "Jitter Conversion Table.")