Sony IPELA SNC-RZ30N, Service Manual

Page: 42 / 128

2-20
SNC-RZ30N/RZ30P (E)
..... For printed wiring boards.
.
: Pattern from the side which enable seeing.
(The other layer's patterns are not indicated.)
.
Through hole is omitted.
.
There are few cases that the part printed on diagram isn’t
mounted in this model.
.
Chip parts.
Transistor Diode
.
For schematic diagrams.
.
All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F.
50 V or less are not indicated except for electrolytics and
tantalums.
.
Chip resistor are 1/16W unless otherwise noted.
k
Z
: 1000
Z
, M
Z
: 1000 k
Z
.
.
Caution when replacing chip parts.
New parts must be attached after removal of chip.
Be careful not to heat the minus side of tantalum capacitor,
because it is damaged by the heat.
.
Some chip part will be indicated as follows.
Example
C541 L452
22U 10UH
TA A 2520
.
Constants of resistors, capasitors, ICs and etc. with XX indicate
that they are not used. In such cases, the unused circuits may
be indicated.
.
All variable and adjustable resistors have characteristic curve
B, unless otherwise noted.
.
Circled numbers refer to waveforms.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
Kinds of capacitor
(
Â
External dimensions (mm)
Â
Temperature
chracteristics
Les composants identifiés par
une marque
! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro spécifié.
The components identified by
mark
!
or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
C
Q
B E
5 4 6
1 3 2
Q
5 6 4
3 1 2
Q
5 4
3 1 2
Q
2 1
Q
5 3 4
3
2 1
3
2 1
3
2 1
.....
Measuring conditions waveform.
.
The object is color bar chart of pattern box.
1.Connection
2.Adjust the distance so that the output waveform of Fig. a and
the Fig. b can be obtain.
Fig. b (Picture on monitor TV)
Electron beam
scanned frame
CRT picture frame
Yellow
Cyan
White
Magenta
Green
Red
Blue
Fig. a (Video output terminal output waveform)
Yellow
A B B A A = B
H
Cyan White
Magenta Green
Red
Blue
Pattern box
1.5 m
Lens reference plane
surface lmaging surface
of CCD imager