Sony SLV-SE85 - Printed Wiring Boards and Schematics

4-1
SLV-SE85/SF90/SF99
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(For printed wiring boards)
• b: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Through hole is omitted.
• Circled numbers refer to waveforms.
• There are few cases that the part printed on diagram
isn’t mounted in this model.
• Chip parts.
(For schematic diagrams)
• All capacitors are in µF unless otherwise noted. pF : µµF.
50V or less are not indicated except for electrolytics and
tantalums.
• Chip resistors are 1/10W unless otherwise noted.
kΩ=1000Ω, MΩ=1000kΩ.
• 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, Be-
cause 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, capacitors, ICs and etc with XX indicate
that they are not used.
In such cases, the unused circuits may be indicated.
• Parts with ★ differ according to the model/destination.
Refer to the mount table for each function.
• All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
• Signal name
XEDIT → EDIT PB/XREC → PB/REC
• 2 : non flammable resistor
• 1 : fusible resistor
• C : panel designation
• : internal component.
• U : B+ Line.
• V : B– Line.
• Circled numbers refer to waveforms.
• Readings are taken with a color-bar signal input.
• Voltage are dc between ground and measurement points.
• Readings are taken with a digital multimeter (DC10MΩ).
• Voltage variations may be noted due to normal production
tolerances.
• C : adjustment for repair.
• Circled numbers refer to waveforms.
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
C
BE
5
64
2
13
5
46
2
31
45
2
31
12
4
53
3
21
3
21
3
21
Transistor
Diode
Kinds of capacitor
Temperature characteristics
External dimensions (mm)
When indicating parts by reference
number, please include the board name.
Note :
The components identified by
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Note :
Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.