Date: 10/02/98 R762120
G2+DIAGNOSTIC
R762120
8
Block diagram
762120_B.drw
4XDGUXSOHU
(+7WRVSOLWWHU
)RFXVYROWDJH5
)RFXVYROWDJH*
)RFXVYROWDJH%
)RFXVXQLW
*YROWDJH5
*YROWDJH*
*YROWDJH%
-
+
084
1
*YROWDJHVWDELOL]HU
3
-
+
084
1
9UHI
9
9
)URP(+7
PRGXOH
-
+
084
1
-
+
084
7
6)
9
9
+7+'
9
9 9
6)
+7+'
&219
9
&219
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9ROWDJHGLDJQRVWLF
Monitoring of the +230V and the -170V
Q203
+Conv’
+30V
HTHD
-
+
393
1
-
+
393
7
+30V
Z197
5V6
Vref
Q208
Q227
+Conv’
+30V
On Horizontal Deflection
module
L high freq
H low freq
+30V
level detector
Overvoltage protection
to SF line
(J1-8)
G2
Killer