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XVM-B62
17
17
XVM-B62
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in Ω and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Power voltage is dc 14.4 V from ACC of connection cord
• B : B– Line.
• H : adjustment for repair.
• Power voltage is dc 14.4 V from ACC of connection cord
and fed with regulated dc power supply.
• Voltage and waveforms are measured at input the color
bar signal from the CVBS1 (VIDEO 1) of connection cord.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
g : VIDEO
for printed wiring boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Waveforms (MAIN Board)
3.3 Vp-p
2 Vp-p
3.2 Vp-p
1 Vp-p
H
2H
0.2 Vp-p
H
2 Vp-p
2H
0.8 Vp-p
H
1
IC401 r; (X2)
1 V/div, 0.1
µ
sec/div
4.19 MHz
2
IC401 rd (VSYNC)
1 V/div, 2 msec/div
7
IC501 wk (VCOMOUT)
1 V/div, 50
µ
sec/div
8
IC501 ef (CSYNCOUT)
1 V/div, 20
µ
sec/div
3
IC102 7 (VO)
0.5 V/div, 10
µ
sec/div
4
IC501 ql (B-OUT)
1 V/div, 20
µ
sec/div
9
IC501 eh (POL)
1 V/div, 50
µ
sec/div
0
IC501 rh (CSYNCIN)
0.5 V/div, 10
µ
sec/div
5
IC501 wa (G-OUT)
1 V/div, 20
µ
sec/div
qa
IC501 ts (YIN)
0.5 V/div, 10
µ
sec/div
qd
IC501 yd (VXO-NTSC)
0.2 V/div, 200 nsec/div
qf
IC801 2 (IVIY)
1 V/div, 2 msec/div
ql
IC801 r; (OSTV2)
1 V/div, 2 msec/div
w;
IC801 rs (OCPV)
1 V/div, 20 nsec/div
qg
IC801 4 (ICSY)
1 V/div, 20
µ
sec/div
qh
IC801 0 (OPOLS)
1 V/div, 50
µ
sec/div
wa
IC701 7 (OUT1)
5 V/div, 2
µ
sec/div
ws
Q652 E
2 V/div, 50
µ
sec/div
qj
IC801 qf (IOHSY)
1 V/div, 20
µ
sec/div
7 Vp-p
4.1
µ
sec
7 Vp-p
3.3 Vp-p
3.3 Vp-p
2H
2H
2H
3.58 MHz
3.2 Vp-p
H
3.2 Vp-p
H
6
IC501 wh (R-OUT)
1 V/div, 20
µ
sec/div
qs
IC501 tj (CIN)
0.5 V/div, 10
µ
sec/div
qk
IC801 ek (OOE1)
1 V/div, 20
µ
sec/div
3.3 Vp-p
3.2 Vp-p
H
3.2 Vp-p
V
3.6 Vp-p
14.4 MHz
1 Vp-p
H
1 Vp-p
H
2 Vp-p
2H
2H
3.2 Vp-p
V
3.2 Vp-p
V
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
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