Hitachi 36UX52B\CZ77 Service Manual page 37

M7LXU
WAVEFORMS AT EACH SECTION
Numbers inside circle correspond to locations shown in the circuit diagram.
t
Ill
i
I
vi(l)=3.4v vl(2)=2.2
Av(l)=1.2v
1 v/Div
1 OpdDiv
0
16 EYl CONN. PINSt2 I Q I
-L-B
I
II-I
I
1 v/Div
1 OuslDii
0
14 1201 PIN#43 [Y-IN ]
I
IH
I
vi (?)=4.4v
vl(2)=3.8v a(? )=0,6v
I v/Div 1 ops/Dii
0
17 EY1 CONN.PlN#3IBl
--- ---
I
I
1I-l
I
vl(1)=50v
vl(2)=1.4v 1\v(1)=3.8v
vl(l)=6.6v vl(2)= 0.6v AV(l)=5.8v
vl(l)=4aV
vl(2)=2.4v Av(l)=1.6v
1 vlDiv
20,udDiv
0
19 PC%h CONN. PIN#5 I C OUT ]
'
Ill
t
vl(1)=4.7v VI (2)=4,oV IV{ 1)=0.7v
200mv/Div
20pdDiv
0
22 PIPA CONN. PIN#S [ C F'lP ]
1 v/Div 1 Ops/Div
I
0
20 PWA CONN. PIN#7 [Y OUT ]
t
IH
I
I
vl(l)=6.3v vl(2)=50v
Av(t)=l.3v
vl(l)=4.2V vl(2)=2.3 N(l )=l .Bv
1 WmvlDiv 2Ous/Div
1 CKhnv/Div
1opdDiV
1 v/Div 1 OpdDiv
G
15 EYl CDNN. PlNrtl [R J
t
1H
1
vl(1)=57v vi (2)=1.3
Av(t)=4.4v
1 v/Div 1 Ows/Div
PtX4 CONN. PlN#l [VIDEO IN )
I
----
I
I
II-i
I
I
1 v/Div 1 Ous/Div
PIPA CONN. PIN#ltSUB VIDEO)
v1(1)=1*3v vl(2)=0.6v Av(l)=0.7V vl(l)=O.4v vi (2)=-.3v
.w(1)=0,7v
37