Adjustments; Adjustment Procedures; Main Chassis Adjustment; Multi Master I2C Bus System - Hitachi 36UX59B Service Manual

MSLXU
I. MAIN CHASSIS ADJUSTMENT
1. Multi Master PC Bus System
MSLXU Chassis uses 1% Bus control system.
Fig. 1 shows this control system.
Fig. 1
(SLAVE)
1001 (Master) controls other ICs (Slave). Adjustment
data is memorized in 1002 (EEPROM). 1001 reads
this data and controls other ICs (slave).
Adjustment items applied in this chassis are shown
in Table 1.
2. ADJUSTMENT PROCEDURE-START UP
2-l 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 "INPUT" keys at the same time, and
hold for more than 3 seconds. The CTV set turns on
in adjustment mode with OSD as follows.
TABLE 1
Adjustment Code
Code Name 1 Adjustment Mode 1 Adjustment Data 1 Item Remark 1 .yh'ra,t,
A02
[ SAPVCO ad
1 POI r GreenGain
pi0
1 Sub Bright adjustment 63-O 1 4-7 1 23
p, , 1 Sub Color adjustment 1 63-O 1 4.10 1 24
p 12 I Sub Tint adjustment 1 63-O 1 4.11 1 46
pt 3
1 Sub Sharpness adjustment 1 63-O 1 4.12 1 IO
~14 1 W/B G 0~ adjustment 1 127-O 1 4.13 1 066
~15 I W/B I3 a adjustment 1 127-O 1 4.14 1 077
PI6
PI7
PI6
P19
P20
PinP H Position adjustment 63-O 4.15 0
PinPTint adjustment 63-O 4.16
61
PinP Contrast adjustment 127-O
4-2-2 050
PinP Color-Sat adjustment 127-O 4-2-l 042
PinP Sharp adjustment 3-o
4-17 0
* This data is an approximate service code data. Fine
adjustment must be done using the specified test
procedure and adjustment tools.
2-2 Changing Data and Adjustment Code
When the CTV set is in adjustment mode, the cur-
sor A,v,d,, and MENU keys of the customers
remo-con will be the adjustment keys.
A. Use any Hitachi remote control when making an
adjustment
cl
MENU
A,v keys are used for changing adjustment code.
4,, keys are used for changing data.
MENU key is used for changing "Cut Off
Mode'T'Normal mode." (Refer to cut off adjustment)
'70 Escape from Adjustment Mode"
Press "POWER" button of remo-con or front panel
once at anytime. Then set returns to normal state.
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