Haier HTR13 Service Manual page 8

3
Yes
Check to see if the voltage of
pin 11 and pin12 of IC201 is
normal
Yes
Change IC201 and
repair circuit
Normal
4.
Not exist
Check to see if RAGC is
Yes
Enter D-MODE with
customer remote controller.
Make RAGC tuned to 25 or
so. Noise on picture just
disappears.
Horizontal bright line
Make R429 open. Multimeter is at range R Χ 1K. Red
probe connects to ground. Touch No.5 of IC401 with
black probe. Bright line flashes for a moment
No
Inspect IC201
and peripheral
components of
IC201
No sound and picture
at 00 mode
Inspect SAW101 、
IC201and PIF part
Maintenance Service and Trouble shooting
Check to see if voltage of pin2 at
Yes
Check to see if the deflection
yorks are connected, C404 is
open or weldless. Inspect
peripheral component of IC401
and IC401 itself
Snowy noise exist
No
Yes
Antenna
or tuner is
abnormal
8
No
IC401 is normal
Inspect +28V
power supply
Exist
Check to see if voltage
output available at tuner
Inspect the
circuit from
CPU to tuner
No
No