JVC AV-32WL1EI, Service Manual

Page: 13 / 81

No.51733
AV-32WL1EU
AV-32WL1EI
AV-32WL1EK
13
REPLACEMENT OF MEMORY ICs
1. Memory ICs
This model uses memory ICs. This memory IC data are for proper
operation of the video and deflection circuits. When replacing, be sure to
use ICs written with the initial values of data.
2. Procedure for replacing memory ICs
PROCEDURE
(1) Power off
Switch off the power and disconnect the power plug from the wall
outlet.
(2) Replace the memory IC
Be sure to use memory ICs written with the initial data values.
(3)
Power on
Connect the power plug into the wall outlet and switch the power on.
(4)
Check and set SYSTEM CONSTANT SET
●
It must not adjust without adjustment signals.
1) Press the INFORMATION key and the MUTING key of the
REMOTE CONTROL UNIT simultaneously.
2) The SERVICE MENU screen of Fig. 1 will be displayed.
3) While the SERVICE MENU is displayed, again press the
INFORMATION key and MUTING key simultaneously, and the
SYSTEM CONSTANT SET screen of Fig. 2 will be displayed.
4) Check the setting values of the SYSTEM CONSTANT SET of
Table 1. If the value is different, select the setting item with the
FUNCTION UP/DOWN key, and set the correct value with the
FUNCTION LEFT/RIGHT key.
5) Press the
OK
key to memorize the setting value.
6) Press the
INFORMATION
key twice, and return to the normal
screen.
(5) Receive channel setting
Refer to the OPERATING INSTRUCTIONS, and set the receive
channels as described.
(6) User settings
Check the user setting items according to Table 2.
Where these do not agree, refer to the OPERATING
INSTRUCTIONS.
(7)
SERVICE MENU setting
Verify what to set in the
SERVICE MENU,
and set whatever is
necessary.
For setting, refer to the SERVICE ADJUSTMENTS.
SERVICE MENU
SERVICE MENU
1.IF 2.V/C
3.AUDIO 4.DEF
5.VSM PRESET 6.STATUS
7.PIP 8.TEXT
9.SHIPPING(OFF)
1-9 : SELECT :EXIT
Fig.1
SYSTEM CONSTANT SET
SYSTEM CONSTANT SET
SOFT VER.=(V
＊
.
＊＊＊＊
)
COUNTRY :
＊＊
INCH :
＊＊
PIP : NO
ALC : NO
PURITY : NO
- / + :STORE :EXIT
OK
＊＊＊＊＊＊＊＊ - ＊＊＊＊＊
JVC MD CHASSIS V
＊＊
Fig.2
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
MUTING key
INFORMATION
key
(VOLUME -/+ key)
OK/MENU key
UP/DOWN key
FUNCTION
LEFT/RIGHT key
FUNCTION
(PR
∧ ∧ ∧ ∧
////
∨ ∨ ∨ ∨
key)