66
14. HA-3 TV Chassis Board Replacement
HA-3 TV Chassis Board Replacement
Fuses
Zeners
Board
Circuits
#
Load
#
Purpose
After board
Replacement
D4415,
D4416
+24V OVP
Audio Out
B+
D6017
6.8V for
pwr OFF A
mute
A
Standby Power
Supply
Degaussing circuit
Primary Power
Supply (9V, 5V,
3.3V)
H & V
Oscillators/Jungle
Both Tuners
Audio output
R6002
Primary PS
D6015,20
Q6.5V
OVP
No Adjustments
B
Video processing
and audio switching.
Closed caption/V
Chip
Main Micro IC001
OSD (Menu)
None
None
Transplant memory
IC004 containing
system and user
data, including analog
tuner active stations.
** see note below.
C
RGB CRT signal
amplifiers
None
D9010
G1 Volt
limiter
Adj Screen control
according to the
service manual:
Reduce vertical size
to see IK line at the
top. Blank pix in the
service mode* by
changing CXA2150P-
2/ALBLK data from 0
to 1. Adjust screen
control so the IK line
is just invisible in a
dark room.
Adj H Static Control
Содержание KD-34XBR2 - 34" Hdtv Fd Trinitron Wega
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