Loewe Q2500B Serviceanleitung Seite 154

Technology of Q 2500 colour TV set
U3.3
D2596
LL103C
V+ V-
+
-
R579
C578
U
M P 3 5
0 ,8 V
0 V
-0 ,8 V
U
5 V
a .)
3 V
U
5 V
b .)
3 V
0 V
U
5 V
c .)
3 V
0 V
Dokument Q 2500
Vertical protective circuit via CCU
R2656
100R
7
D2657
I2651
LL4148
LM 358
R2666
R2661
22k 100R
1
D2661 D2667
LL4148 LL4148
I2651A
LM 358
C2662
100n
I 561
R574
V P R O T
R2654
4k7
U8
C2650
100n
5
+
B
5V
6
-
3V
3
+
MP002
A
2
-
R2664
4k7
Vertical
deflection
coils
R573
U
M P 0 2
t
0 V
I2 6 5 1 /P in 6
I2 6 5 1 /P in 3
t
d .c . c u rre n t c o m p on e n t m u c h to o p o s itiv e
I2 6 5 1 /P in 6
I2 6 5 1 /P in 3
t
I2 6 5 1 /P in 6
d .c. cu rre n t c o m p o n en t m uc h to o ne g a tiv e
I2 6 5 1 /P in 3
t
31
R1031
100R
C1031
22n
Signal board
Basic board
4 ,5 V
3 ,5 V
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