Sony KV-32XBR400 Training Manual page 92

B
Remove 4 screws from the rear panel and
fold it down.
Pry the locks from connectors CN3202/3
while wiggling the B board away form the A
board.
C
Wiggle the C board off the CRT neck.
Unsolder the CRT socket and install on the
new board.
W
Remove the C board.
Mark the pix tube neck to reinstall the new W
board assembly.
Loosen the clamp and remove the assembly.
* Refer to the service manual s section 5 for the list of adjustments.
Dynamic
Convergence
HV Regulator
Video processing and audio
switching.
Closed caption/V Chip
DRC for line doubling
MID for twin pictures
RGB CRT signal amplifiers
Velocity Modulation circuit
to improve detail
Top/bottom Pincushion &
corner focus coils
HA/HB boards - Front panel remote & buttons
Secondary
Power Supply
Horizontal
Deflection
FBT
Vertical
ix
Loss of video, Y or C. Transplant memory IC3089 containing Twin
picture parameters.
Loss of sync to main
or sub pix.
Dark screen (adjust Adj Screen control according to the service
G2 first) manual: Reduce vertical size to see IK line at
the top. Blank pix in the service mode by
Stby light blinks 5
changing CXA2150P-2/ALBLK data from 0 to
times & repeats.
1. Adjust screen control so the IK line is just
invisible in a dark room.
White outline along
object.
Primary
Power Supply
S Bd
(audio)
B board
(video)
W board
clamp
Pix
G1
tube
Stby
Circuit