Specific Service Instructions - JVC AV-56P776 Service Manual

2.1 SYSTEM SETTEING
Be sure to carry out the following operation at the end of
the procedure.
(1) Press the [SLEEP TIMER] key and set it to 30 minutes.
(2) Press the [VIDEO STATUS] key and [DISPLAY] key
simultaneously, then enter the TEST MODE.
(3) Press the [4] key (SELF CHECK) .
(4) Turn off the power by pressing the [POWER] key on the
remote control unit.
2.2 FEATURES
Built in ATSC (Advanced Television Systems Committee)
TUNER
This TV can receive both Digital broadcasting (ATSC) and
Analog broadcasting.
D.I.S.T. (Digital Image Scaling Technology)
This system uses line interpolation to double the number of
scanning lines and achieve high resolution, flicker-free picture.
SMART CAPTION
Smart caption will appear when you press the MUTING button,
only on channels where the broadcast contains CLOSED
CAPTION information.
SMART SOUND
Decreases high sound levels, giving a regulated sound level.
DIGITAL COMB FILTER
By the 3D digital comb filter, the refreshed image can be seen.
VIDEO STATUS
Expression of a favorite screen can be chosen by the VIDEO
STATUS function.
2.3 DIFFERENCE LIST
Item
BODY COLOR
SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

AV-48P776/H AV-48P786/H
SILVER
TEST MODE MAIN MENU
TEST MODE
1. I2C STOP
2. STATUS DISP.
4. SELF-CHK
5.CONVER OFF
ROM CORRECTION : ACT
ROM VERSION :
SELF CHECK MODE SCREEN
XRAY XRAY NG5 NG5
LOB LOB OK OK
SYNC SYNC M:OK M:OK
MEM MEM OK OK
VCD VCD OK OK
AIO AIO OK OK
TUN TUN OK OK
PP PP NG 4 NG 4
HDMI HDMI OK OK
DIGITAL INPUT
Digital-in will display when any picture signal in Digital-in is
displayed.
V-CHIP
Since the V-CHIP is built in, it can choose, view and listen to a
healthy program.
MTS STEREO
The voice multiplex function of the MTS system is built in.
(MTS = Multi channel Television Sound system)
NATURAL CINEMA
Watching the movie or animation, press the Natural Cinema to
adjust the out line of the images to make thin more sharp.
VIDEO INPUT LABEL
This function is used to label video input connections for the
onscreen displays.
AV-56P776/H
BLACK SILVER
OCP OCP NG2 NG2
TIM TIM OK OK
S:OK S:OK HD:NG HD:NG
AVSW AVSW OK OK
YC YC OK OK
IP IP OK OK
SPRT SPRT OK OK
AV-56P786/H
BLACK
(No.YA318)1-5