Sony PRS-505/SC Service Manual - Page 54

Prs-505, Diagrams - screen replacement

Get Sony PRS-505/SC - Portable Reader System PDF manuals and user guides View all Sony PRS-505/SC manuals
Add to My Manuals
Save this manual to your list of manuals

Page 54 highlights

PRS-505 2. DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For Printed Wiring Boards. Note: • Y : Parts extracted from the conductor side. • f : internal component. • : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) Caution: Parts face side: (Conductor side) Pattern face side: (Component side) Parts on the parts face side seen from the pattern face are indicated. Parts on the pattern face side seen from the parts face are indicated. • MAIN board is multi-layer printed board. However, the patterns of intermediate-layers have not been included in diagrams. * Replacing of IC1001 on the MAIN board used in this set requires a special tool. • Lead layouts surface Lead layout of conventional IC CSP (Chip Size Package) For Schematic Diagrams. Note: • All capacitors are in μF unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. • f : internal component. • C : panel designation. Note: The components identified by mark 0 or dotted line with mark 0 are critical 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 portant le numéro spécifié. • A : B+ Line. • B : B- Line. • C : adjustment for repair. • Power voltage is dc 5.2V and fed with regulated dc power supply from TP402 and TP400 on the MAIN board. • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : POWER ON ( ) : AUDIO PLAY * : Impossible to measure (For this model, the voltage is produced only when the screen is changed. Under the power on, there is a voltage that is not produced.) • Voltages are taken with VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal production tolerances. • Signal path. F : AUDIO L : VIDEO N : USB O : SD MEMORY CARD/MEMORY STICK DUO * Replacing of IC1001 on the MAIN board used in this set requires a special tool. • The voltage and waveform of CSP (chip size package) cannot be measured, because its lead is different feom that conventional IC. PRS-505 2 2

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
PRS-505
PRS-505
2
2
2.
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in
μ
F unless otherwise noted.
(p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
speci
fi
ed.
•
f
: internal component.
•
C
: panel designation.
THIS
NOTE
IS
COMMON
FOR
PRINTED
WIRING
BOARDS
AND
SCHEMATIC
DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•
A
: B+ Line.
•
B
: B– Line.
•
C
: adjustment for repair.
•
Power voltage is dc 5.2V and fed with regulated dc power
supply from TP402 and TP400 on the MAIN board.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark
: POWER ON
(
) : AUDIO PLAY
*
: Impossible to measure
(For this model, the voltage is produced only when the
screen is changed. Under the power on, there is a voltage
that is not produced.)
• Voltages are taken with VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F
: AUDIO
L
: VIDEO
N
: USB
O
: SD MEMORY CARD/MEMORY STICK DUO
For Printed Wiring Boards.
Note:
•
Y
: Parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Parts face side:
(Conductor side)
Pattern face side:
(Component side)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
Note:
The components identi-
fi
ed by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number speci
fi
ed.
Note:
Les composants identi
fi
és
par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spéci
fi
é.
• MAIN board is multi-layer printed board.
However, the patterns of intermediate-layers have not been in-
cluded
in diagrams.
• Lead layouts
surface
CSP (Chip Size Package)
Lead layout of conventional IC
*
Replacing of IC1001 on the MAIN board used in this
set requires a special tool.
•
The voltage and waveform of CSP (chip size package) cannot be
measured, because its lead is different feom that conventional
IC.
*
Replacing of IC1001 on the MAIN board used in this
set requires a special tool.