PANASONIC-TC20T8
Regulators did not work (dead): check Q8 1 (C5253/C4804) and Q805 (A1512/A733)
PANASONIC (AN5601)
There is no color, in Fine tuning is: check Trans amplifier delay (C1685) not delay line
PANASONIC-TC1613R
As if tuning slide (slip) and not syncron, good sound: check R125 (3k3) 1k2 replace with
PANASONIC-TC2088DX
The contrast is not working, sometimes appears a vertical line, a nice picture: check the ABL resistor (37K)
PANASONIC-TC1450
Blanking and protectionism: replace the AN 5600
No sound: check the Q1112, Q1113 (N4212) and change C114
PANASONIC-TC2088
Bright, contras, the color of the OSD function is not normal: Check the ABL resistor (63k)