TDA9341 ADJUSTMENT METHOD
1. Main Specifications:
1.1 Power Input: AC90V~260V(for PH01 chassis) OR AC130~265V(for PH02 chassis)
1.2 Receiving Channels : CH 1~57 + 470MHZ CATV
1.3 Program Selection : 250
1.4 SYSTEM: Rf: PAL --D/K I BG ; AV NTSC 4.43+3.58 MHz
1.5 OSD Language: sixteen Language
1.6 Audio Power Output Rating : Mono: 3.0W
Steroeo: 2×4.5W
1.7 AV Terminal: Two AV input One S-VIDEO input One YUV input and One
AV output
1.8 SIZE: 14/21/25/29/34 INCH
2. TV set adjustment method
2.1 Main power +B setting
Receive standard color pattern RF signal, set picture to “Standard Mode”. Adjust VR501
to get +B voltage =110 ± 0.5V 14’’/21”
=130 ± 0.5V 25”~34’’
2.2 AFT on NICAM PCB Adjustment
a) Receive standard color pattern RF signal (PAL/BG).
b) Measure the voltage at TP1 (Pin 13 of N3101),
c) Adjust L3101 to get VTP1 = 2.5±0.1V.
2.3 CRT cut off adjustment
A. When at the B/W BALANCE mode,push [mute] key to stop vertical scan.
B. Adjust SCREEN control on Flyback transformer to get the darkest single horizontal line
(red,green,or blue, sometimes shows more yellow more purple or more white).
C. At this status there are four keys can be used:
Red Cut
Green Cut
Key name
1
2
Function
CUT R+
CUT G+
Key name
4
5
Function
CUT R-
CUT G-
D. And then push [mute] key again ,vertical scan work repeat.
2.4 FOCUS Adjustment