TCL - HiD 4321H - MAIN POWER SUPPLY REGULATOR [SMPS] - SCHEMATIC DIAGRAM
[Circuit Diagram] - Service Mode
CLICK ON THE SCHEMATIC TO MAGNIFY
PASSWORD DELETE
* Press “MUTE” to exit convergence mode. 1 >3 > 9
As password entered, Red cross-hatch and cursor in red,
green and blue at the center of screen will come out with indications to delete
all coarse adjustment and fine tuning data in current mode.
Press “mode” to make sure to delete all coarse adjustment
and fine adjustment data in current mode. Blue square-postern and cursor in
red, green and blue at the center of screen will come out when data deleted.
Press “MUTE” to exit convergence mode.
CHASSIS DESCRIPTION:
HiD4321H adopts
PHILIP’s TDA9321, TDA9332
I2C TVProcessing chip and Piexlworks PW1230 progressive chip for 60Hz\85Hz progressive. Its CPU adopts Toshiba TMP87PS38N software was masked into chips by OTP, modifications may subject to feedbacks from production or from market.
It supports DTV and VGA:
DTV supports 1920×1080i/50Hz/60Hz (HDTV2 HDTV6) 525P;
VGA supports 640×480/60Hz、SVGA 800×600/60Hz.
Output of horizontal frequency is fixed at 33.75KHz.
Adjustment of geometry and convergence should be in three
modes:
HiD1(60Hz Processing), HiD2 85Hz Processing. HDTV (16:9).
ALIGNMENT INSTRUCTION [Service Mode Entry]
The chassis layouts in I2C bus structure a majority of
status could be adjusted through manufacture menu.
You could enter manufacture menu by taken following
steps: to be sure that PIP is off, and press
“EXCHANGE” “SHIFT” “STILL” swiftly, then press “MENU”.
To exit factory
menu, press “DISPLAY”.
