Printed Wiring Boards And Schematic Diagrams; Waveform - Sony DVP-NS50P Service Manual

DVP-NS50P/NS41P/NS52P

4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

THIS NOTE IS COMMON FOR WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block)
For printed wiring boards:
• : indicates a lead wire mounted on the component
side.
• : indicates a lead wire mounted on the printed side.
• a : Through hole.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen
from
(Side A) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side B) the parts face are indicated.
• Abbreviation
US : USA Model
CND : Canadian Model
MX : Mexican Model
PX : PX Model
E : Latin America Model
ME5 : IND, PAK, MAR Model
EA : Saudi Arabia Model
IR : Iran Model
ME2 : Middle East
AUS : Oceania Model
HK : Hong Kong Model
SP : GA Model
TW : Taiwan Model
KR : Korean Model
IN : India

WAVEFORM

MV-045
For schematic diagrams:
• All capacitors are in µF unless otherwise noted. pF : µµF.
50V or less are not indicated except for electrolytics and
tantalums.
• All resistors are in ohms, 1/4W (Chip resistors : 1/10W)
un-less otherwise specified.
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,
because it is damaged by the heat.
• All variable and adjustable resistors have characteristic
curve B, unless otherwise noted.
• : non flammable resistor.
• : fusible resistor.
• : panel designation.
• f : internal component.
• : adjustment for repair.
• Circled numbers refer to waveforms.
• Voltages are dc between measurement point.
• Readings are taken with a color-bar signal on DVD refer-
ence disc and when playing CD reference disc.
• Readings are taken with a digital multimeter (DC 10MΩ).
• Voltage variations may be noted due to normal production
tolerances.
Note: Note:
The components identi- Les composants identifiés par
fied by mark or dotted une marque sont critiques
pour la sécurité.
line with mark are criti-
Ne les remplacer que par une
cal for safety.
pièce portant le numéro
Replace only with part
number specified. spécifié.
When indicating parts by reference
number, please include the board
name.
4-3
4-3. WAVEFORM
MV-045 BOARD
1 IC101 6 (CD PB) 7 IC101 202
(0.5Vp-p to 0.7Vp-p
200nsec
1.1Vp-p)
H
2 IC101 6 (DVD PB) 8 IC101
203
(0.65Vp-p to
0.7Vp-p
1.48Vp-p)
100nsec
H
IC101 C/BAR PB IC101
3 196 9 228
286 mVp-p
(NTSC)
3.3Vp-p
300 mVp-p
27MHz
(PAL)
H
4 IC101 C/BAR PB 10 IC101
194 156
3.3Vp-p
1Vp-p
110MHz
H
5 IC101 C/BAR PB IC101
198 11 215
3.3Vp-p
1Vp-p
24MHz
H
6 IC101 200 C/BAR PB 12 IC406 4 (CD)
3.5Vp-p
1Vp-p
22.67usec
H
4-4
13 IC406 4 (DVD) 19 IC304 ea C/BAR PB
3.5Vp-p
20.82usec 1.8Vp-p
H
IC304 wj C/BAR PB
14
2.0Vp-p
H
15 IC304 wl C/BAR PB
2.0Vp-p
H
16 IC304 wg C/BAR PB
2.0Vp-p
H
IC304 wd
17
1.4Vp-p
H
18 IC304 wa
1.4Vp-p
H