Sony UP-860 Service Manual page 34

Video graphic printer
Hide thumbs Also See for UP-860:
Table of Contents

Advertisement

UP-860/870MD
1
2
3
4
A
THIS NOTE
IS COMMON
FOR PRINTED WIRING
BOARDS
AND SCHEMATIC
DIAGRAMS.
(In addition to this, the necessary note is printed in each
block.)
B
¢ For schematic diagrams.
¢ Caution when replacing chip parts.
New parts must be attached after removal of chip.
Be careful not to heat the minuts side of tantalum capacitor,
because it is damaged by the heat.
Cc
* Allresistors are in ohms, 1/10W unless otherwise noted.
kQ: 10002
,MQ: 1000kQ .
¢ Allcapacitors are in » F unless otherwise noted. pF: » p F.
50V
or less
are
not
indicated
except
for electrolytics
and
lantalums.
¢ All variable and adjustable resistors have characteristic curve B,
D
unless otherwise noted.
° fe} : nonflammable resistor.
o fret} : lusible resistor.
¢ (__) : panel designation.
¢ (__} : adjustment for repeair.
eo ———
: B+ Line.
E
* Voltages are dc between ground and measurement points.
¢ Readings are taken with a color-bar signal playback.
* Readings are taken with a digital multimeter (DC1OM® ).
¢ Voltage
variations
may
be noted
due
to normal
production
tolerances.
© Circled numbers are waveform references
F
Note:
The
components
identified
by shading and mark A
are critical for safety. Replace only with part number
specified.
G
Les composants
identifiés par un tramé et une marque
A sont critiques pour la sécurité. Ne les remplacer que
par une piece portant le numéro spécifié.
For printed wiring boards.
: soldering side
component
side
DIAGRAMS
5
6
7
Refer to page 48 for waveforms
10
11
12
TOP
VIEW
VIDEO
IN
[viDEo our]
ig
a19
DICIZSEK
RELAY
ORIVE
av
t
ae
VIDEO
AMP/
SYNC
SEP
Gist
ClbS
ROD
2207
207 470
b
_ CURRENT
J" REG
ORIN
es ee
ae be
i
'
GPISS?
py
iS
4
H
H a e
rs T
J
| Ls ee
'
'
'
K
|
\2v
acl
| nyt
:
oe eee
eee
t
t
1
poe
|
| med
1
L
:
CN6O!
bd
[owe
4]
'
| w@)
MOTOR
'
|
SU
:
M
'
ues)
a
[—e.rororr
|
Ce
O.MOTOR!
952
O.MOTORZ
ior
{__¥.noToR!
| ls }
N
a
eae
1. ae
Bt
- OIRECTONAL
MOTOR
DRIVER
R2
sy
Bt- DIRECTIONAL
MOTOR
ORIVER
BI-DIRECTIONAL
MOTOR ORIVER
Le
SCAN
DIRECTION.
MEMORY
ASPECT
POSTFEED
MAIN BLOCK
——
-
MAIN BLOCK
[ MA-i4
MA-14 |
ee
eee) ee

Advertisement

Table of Contents
loading

This manual is also suitable for:

Up-870md

Table of Contents