Adjustment Procedure-Start Up; 2-L How To Get To Adjustment Mode; Changing Data And Adjustment Code; Adjustment Mode - Hitachi 36UX52B\CZ77 Service Manual

M7lXU
I.
MAIN CHASSIS ADJUSTMENT
TABLE 1
Adjustment Code
1. Multi Master 1% Bus System
M7LXU Chassis uses 1% Bus control system. Fig. 1
Code Name
shows this control system.
FIGURE 1
(SLAVE)
If
IW.2
1201 IPWI
EEPROM
IF/VlDEOiCHROMA PINP
BEF CONTROL
(SLAVE)
I I
* Not for 36CX35B model
** Only for UX models
*** Only for 36CX35B model
**** Not for UX models
1001 (Master) controls other ICs (slave). Adjustment
data is memorized in 1002 (EEPROM). 1001 reads this
data and controls other KS.
Adjustment items applied in this chassis are shown in
Table 1.
2. ADJUSTMENT PROCEDURE-START UP
2-1 How to Get to Adjustment Mode
Chassis adjustment can be done by using the front
control panel buttons with CTV set turned off. Press
"POWER" and "MENU" or "INPUT" keys at the same
time, and hold more than 3 seconds. The CTV set
turns on in adjustment mode with OSD as follows.
Hold 3 - 5 Set
Hold More Than 5 Sec.
A00
I
DO00
AUDIO Adjustment
Mode
-- PO0
0
DO00
PICTURE Adjustment
Mode
A00
DO00
Adjustment Code (Refer to Table 1)
_ Adjustment Data
"To Escape from Adjustment Mode"
Press "POWER" button of remo-con or front panel
once at anytime. Then set returns to normal state.
Adjustment Mode Adjustment Data Item Remark
Sewi c e
l
Made Dal e
* This data is an approximate service code data. Fine
adjustment must be done using the specified test pro-
cedure and adjustment tools.
2-2 Changing Data and Adjustment Code
When the CTV set is in adjustment mode, the cursor
" 4, ), A, v " and ENTER keys of the customers
remo-con will be the adjustment keys.
A. Use any Hitachi remote control with ENTER button
as shown when making an adjustment.
0
MENU
cl
ENTER
"A, v " keys are used for changing adjustment
code.
" 4, ) " keys are used for changing data.
ENTER key is used for changing "Cut Off
Mode"/"Normal mode." (Refer to cut off adjust-
ment)
3. ADJUSTMENT MODE
If below display appears
Adjustment code can not be changed by cursor
" A, V " keys.
Set data "0020" at "AOO" or "D030" at "POO" by
" 4 , b " keys.
Then adjustment code can be changed by "AJ"
keys.
8