JVC AV-48WP74 Service Manual page 2

AV-48WP74
AV-56WP74
CORRECT ITEM
1) 2.9.3 SERVICE ADJUSTMENT ITEM (Page.1-18)
8.PP
Multi-picture adjustment and
setting
2) 3.4 ADJUSTMENT LOCATION (1/2) (Page.1-22)
Incorrect
Incorrect
3) 3.8.2 HORIZONTAL FREQUENCY ADJUSTMENT (Page 1-46)
Measuring
Item
instrument
H. FREQUENCY Signal
adjustment generator
Remote
control unit
Incorrect
Correct
2 (No. 52105C)
ADM001~ADM034
MAIN PWB
SUB TUNER
(TU101)
MAIN TUNER
Correct
(TU0102)
MAIN TUNER
SUB TUNER
Correct
(TU1101)
SPEAKER
AUDIO IN
Test point Adjustment part
[1.PICTURE/SOUND]
D15 : H. FREQ.
D19 : DEF. RST
<D19>
<D18>
Do not adjust
DELETION
F
G
M
RECEIVER
PWB
CONVERGENCE
OUT PWB
MI-COM&DIST
MODULE PWB
CN00Y
M
G CRT
SOCKET
PWB
CN00E
S
DIGITAL INPUT
MODULE PWB
DC
S3
AUDIO / VIDEO COMPONENT
S-VIDEO VIDEO-V
(1) Receive any broadcast.
(2) Press [ASPECT] key and select FULL mode.
(3) Select 1. PICTURE/SOUND from SERVICE MENU.
(4) Select <D19> (DEF. RST) and change the data 0 to 1.
(5) While observing the screen, adjust the <D15> (H.
FREQ) so that an optimum horizontal synchronization is
obtained.
(6) After adjustment, select <D19> and change the data 1
to 0.
(7) Press [MUTING] key to memorize the set value.
H
DIGITAL INPUT
MODULE PWB
Q
SY
AUDIO
Description