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M
Channel and picture size
The M board is held down
memory, Picture width
with two screws.
control, H & V oscillator,
Picture tilt, Dynamic focus,
Pincushion.
D
Horizontal Output
Four screws
Vertical Output
Horiz. Centering
Dynamic Focus Output
G
Power Supply
Remove
rear
panel
&
ground shield.
Unscrew
board and lift out with 3
boards plugged into it.
Unclamp the outer 2 (A & B)
boards that plug into the G
board from the bottom and
unplug the middle V board.
K
Audio Output
1 screw and plastic flap at
rear panel.
C
CRT Drive
v
1. No VHF/Cable channel memory (no channel up/down
function).
2. Picture convergence, size, position, pincushion can not
be adjusted or will not hold in memory.
3. Picture changes in size (horizontally and vertically).
4. No picture sync (B board also)
5. Shutdown (G & D boards also)
6. Poor focus at sides/corners.
1. Shutdown (M & G boards also). See Protection Circuit
3 for procedure to determine if this board is at fault.
2. Standby light blinks 2 times pauses and repeats
(OCP).
3. Standby light blinks 4 times pauses and repeats (No
Vert).
1. Dead set (D & K boards also).
2. Shutdown (D & M, C, & K boards also. K = audio
output)
3. Standby light blinks 3 times pauses and repeats
(OVP).
4. Standby light blinks 6 times pauses and repeats (+5V
OVP. V board also possible as +5V OCP).
Dead set (D & G boards also).
5. Shutdown (D & M, G, & K boards also).
1. Standby light blinks 5 times pauses and repeats (IK
white balance failure). (B board also).
Transplant memory IC1304 in an anti -
static atmosphere or load default data
for SDA9361 and DM groups.
Perform the size adjustments for all
the 7 picture sizes (normal, full, zoom,
etc) on pages _____ of the adjustment
manual.
Touch up adjustments of picture size
and position. (picture distortion
adjustments are on page __ of the adj
manual.)
Inspect picture for noise due to loose
shielding on adjacent plug in boards.
Check that both channels are at equal
volume.
None
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