Toshiba 46H84 Service Manual page 11

4. SELECTING THE ADJUSTING ITEMS
1) Every pressing of CHANNEL
( button for reverse order)
Refer to table-2 for preset data of adjustment mode.
(See SETTING & ADJUSTING DATA on page 21)
5. ADJUSTING THE DATA
1) Pressing of VOLUME
depends on the adjusting item.
6. EXIT FROM SERVICE MODE
1) Pressing POWER button to turn off the TV once.
INITIALIZATION OF MEMORY DATA OF QA02
After replacing QA02, the following initialization is required.
1. Enter the service mode, then select any register item.
2. Press and hold the RECALL button on the Remote, then press the CHANNEL
has been complated.
3. Check the picture carefully. If necessary, adjust any adjustment item above.
Perform "Programming Channel Memory" on the owner's manual.
CAUTION: Never attempt to initialize the data unless QA02 has been replaced.
7. SELF DIAGNOSTIC FUNCTION
1) Press "9" button on Remote Control during display of adjustment menu in the service mode.
The diagnosis will begin to check if interface among IC's are executed properly.
2) During diagnosis, the following displays are shown.
SELF CHECK
NO. 23 * * * * * *
POWER : 000
BUS LINE : OK
BUS CONT : OK
BLOCK : MAIN SUB
SET ID : 01
EEP VER : 02
OPT1 : 05 OPT2 : 70
DVI
NO * * * * * * * *
ERR CODE :
IR BLASTER VER : NG
Part number of microprocessor (QA01)
Operation number of protection circuit (current limiter) . . . . "000" is normal.
BUS line check
BUS line ACK (acknowledge) check
Sync. signal check
ID code for TV Set
Version of "EEP"
Data for "OPT"
Part number of DVI microprocessor (Q203)
DVI error code ........ "
Version of IR braster IC ("NG" is displayed for models without TheaterLink.)
button in the service mode changes the adjustment items in the order of table-2.
or button will change the value of data in the range from 00H to FFH. The variable range
"OK" ................... Normal
"SCL-GND" or "NG" ........... SCL-GND short circuit
"SDA-GND" or "NG" ........... SDA-GND short circuit
"SCL-SDA" or "NG" ............ SCL-SDA short circuit
"OK" ..................... Normal
Display of Location Number . . . . NG
(Display example)
"QA02 NG", "H001 NG", "Q501 NG" etc.
Note: The indication of failure place is only one place though failure places are plural. When
repair of a failure place finishes, the next failure place is indicated. (The order of priority of
indication is left side.)
Green display ..... Normal
Red display ........ NG
MAIN ........ Main sync
SUB .......... Sub sync (when turn on the PIP)
" is normal. (When DVI signal is received)
button on the TV. The initialization of QA02
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