Specific Service Instructions - JVC PD-Z42DX4 Service Manual

2.1 FEATURES
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.
COLOUR MANAGEMENT
This function ensures dull colours are compensated to
produce natural hues.
PICTURE MANAGEMENT
This function makes it easier to see the dark areas when a
picture has many dark areas, and makes it easier to see the
bright areas when a picture has many bright areas.
ZOOM
This function can change the screen size according to the
picture aspect ratio.
DIGITAL VNR
This function cuts down the amount of noise in the original
picture.
2.2 MAIN DIFFERENCE LIST
Item
POWER CORD UK type(3pin)
EU type(2pin with Earth)
Flat type(with Earth)
INTERFACE PWB LCA10424-22D (SFP-7310A)
REGULATOR PWB LCA10426-09C (SFP-9307A)
LINE FILTER PWB LCA10427-14A (SFP-9310A)
SUB POWER PWB LCA10422-10C (SFP-9314A)
DIGITAL SIGNAL PWB LCA10428-44H (SFP-0D310A)
2.3 SYSTEM SETTEING
Be sure to carry out the following operation at the end of
the procedure.
(1) Press the [DISPLAY] key and [MUTING] key simultaneously,
then enter the SERVICE MODE.
(2) When the Main Menu is displayed, press [2] key to enter
the self check mode.
(3) Turn off the power by pressing the [POWER] key on the
remote control unit.
1-6 (No.YA228)
SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

PD-Z42DX4
SUPER DIGIPURE
This function uses the latest in digital technology to give you a
natural-looking picture.
PULL DOWN
This function displays a cinema film picture more smoothly and
naturally on the screen.
3D CINEMA SOUND
You can enjoy sounds with a widerambience.
DIGITAL INPUT
Digital-in will display when any picture signal in Digital-in is
displayed.
BBE
High definition audio adds natural, clear and extraordinary
sound quality to any program.
A.H.S.
Adds a more spacious surround sound. Music gives basic
effect and Movie for more effect.
UK type(3pin)
Flat type(with Earth)
LCA10424-23D (SFP-7311A)
LCA10426-10C (SFP-9319A)
LCA10427-15A (SFP-9311A)
LCA10422-11C (SFP-9315A)
LCA10428-45H (SFP-0D311A)
MAIN MENU SCREEN
SERVICE MENU SERVICE MENU
1.ADJUST 1.ADJUST
2.SELF_CHK 2.SELF_CHK
3.I2C STOP 3.I2C STOP
SELF CHECK MODE SCREEN
LOB LOB OK OK FAN FAN
SYNC M:OK S:OK HD:NG SYNC M:OK S:OK HD:NG
TIM TIM OK OK
MSM MSM OK OK DIGI 0000 DIGI 0000
MEM MEM OK OK AVSW OK AVSW OK
YC YC OK OK AIO AIO
TUN TUN OK OK GCR GCR
IP IP OK OK RGB RGB
DVI DVI OK OK HDMI OK HDMI OK
PD-Z42DX4/S
OK OK
OK OK
NG 1 NG 1
OK 8 OK 8