Mitsubishi Diamond Plus 93SB - No Raster

6-6
5. NO RASTER
CHECK
U501 PIN 14, 15
H/V SYNC
NO RASTER
POWER SUPPLY
CHECK
CHECK
B+
PROBLEM IN
MCU U701
YES
YES
YES
NO
NO
CHECK
U701 PIN 35, PIN 2 IS
LOW
YES
NO
CHECK
U501 PIN 6, 8
BDRY, HDRY
TROUBLE
IN U501
YES
NO
CHECK ISCL, ISDC
YES
CHECK
Q504 DRAIN ABOUT
180Vp-p fH=93KHz
TROUBLE IN
D505, T501, Q504,
R525, Q502, Q503
YES
NO
CHECK
Q314 COLLECT PULSE
1000Vp-p
TROUBLE IN
Q314, Q313, D317, T304
YES
NO
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