PlayStation SCPH-7501 Service Manual - Page 5

Adjustment, Notice - ps1

Get PlayStation SCPH-7501 - PlayStation Game Console PDF manuals and user guides View all PlayStation SCPH-7501 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 5 highlights

Reproduction Prohibited SECTION 3 ADJUSTMENT 3-1. Test Specification RF Level 0.90 to 1.35 Vp-p (Test point : Between CL704 and CL710) • RF signal waveform (Eye pattern) VOLT/DIV : 0.2 V TIME/DIV : 500 nS 0.90 to 1.35 Vp-p 0 V Use SCD-2700 DISC when measured RF level. Use an oscilloscope with input impedance over 10 M Ω RF Jitter Less 9.0 nS (Measuring with KSM- 6135S JITTER METER.) Less 27.0 nS (Measuring with KSM- 6235S JITTER METER.) PP Level 1.1 ±0.6 Vp-p (Test point : Between CL776 and CL710) Use LPF (fc = 10 kHz) Tracking Level 1.3 ±0.6 Vp-p (Test point : Between CL709 and CL710 ) Caution Vc Line (CL710) do not wire to other lines together. Caution. Vc Line (CL710) do not make common use with GND line. Test Point for PU-23 Board. CL776 CL706 R723 C721 R793 C726 R770 R775 C720 R733 R732 L701 R747 R750 C742 CL710 CL709 CL704 CL727 1 5 9 13 15 CL760 C716 53 52 C701 C741 CL790 CL776 CL777 CL775 CL778 CL779 CL708 CL780 CL706 C761 CL791 CL711 CL709 CL710 Q701 CL316 C738 CL704 R717 C729 C725 CL727 15 C718 CL728 C739 FB702 CL784 4 1 R727 HA002 CL786 CN701 FB703 FB701 CL785 14 CL787 FB704 1-674-987- 11 12 CL728 SECTION 4 NOTICE SCPH-9000 SERIES Circuit Notes : : B+ Line. Voltages are measured with a Digital Multimeter. (Input impedance over 10 MΩ.) Waveforms easured with an Oscilloscope DC coupled. Semiconductors. In each case. u : µ, for example ; uA : µA, uPA : µPA, uPB : µPA, uPC : µPA. Unit Descriptions : Capacitors. Unit of Capacitor is µF and pF, for example ; uF : µF, pF : µµF. Resisters. Unit of Resistor is Ω. Inductance. Unit of Inductance is µH and mH Parts List Notes: Due to standardization, Parts may be different from the parts described in the diagrams or used on the Set. Attention : Dielectric voltage withstand test and Insuiation resistance test. After repair complete. Dielectric voltage withstand test and Insulation resistance test to be con- ducted according to the regulation of IEC-65 EN60065 or UL1492 or . About replacement of Optical Device. Before exchanging the Optical Device, Check the RF level, Jitter, Eye pattern, Focus gain and Tracking error. When Optical Device is meet the specification, Playback the PS1 testing disc "QA-DISC" or "AGING DISC" for checking the double speed and sled mechanism ability. Optical Device should have to no exchange when spacification and ability are satisfied. - 4 -

  • 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
— 4 —
SCPH-9000
SERIES
Reproduction Prohibited
3-1. Test Specification
RF Level
0.90 to 1.35 Vp-p (Test point : Between CL704 and CL710)
Use SCD-2700 DISC when measured RF level.
Use an oscilloscope with input impedance over 10 M
Ω
RF Jitter
Less 9.0 nS (Measuring with KSM- 6135S JITTER METER.)
Less 27.0 nS (Measuring with KSM- 6235S JITTER METER.)
PP Level
1.1 ±0.6 Vp-p (Test point : Between CL776 and CL710)
Use LPF (fc = 10 kHz)
Tracking Level
1.3 ±0.6 Vp-p (Test point : Between CL709 and CL710 )
Caution
Vc Line (CL710) do not wire to other lines together.
Caution.
Vc Line (CL710) do not make common use with GND line.
Test Point for PU-23 Board.
1-674-987-
52
1
1
4
15
14
5
9
13
15
53
R747
R775
R770
R793
R750
R732
R733
FB703
C742
C720
C726
C721
L701
C701
R723
CL760
CL708
CL706
CL780
CL778
CL777
CL776
CL790
C741
CL791
CL711
CL709
CL728
CL786
CL784
CL787
CL785
CN701
FB701
FB704
CL775
CL710
Q701
CL316
CL704
CL727
C729
C725
C718
C761
C716
C738
C739
HA002
R727
FB702
R717
CL779
11
12
1-674-987-
CL776
CL727
CL709
CL710
CL704
CL706
CL728
SECTION 3
ADJUSTMENT
• RF signal waveform (Eye pattern)
0 V
VOLT/DIV
TIME/DIV
0.90 to 1.35 Vp-p
: 0.2 V
: 500 nS
SECTION 4
NOTICE
Circuit Notes :
: B+ Line.
Voltages are measured with a Digital Multimeter. (Input impedance over 10 M
Ω
.)
Waveforms easured with an Oscilloscope DC coupled.
Semiconductors.
In each case. u : μ, for example ; uA : μA, uPA : μPA, uPB : μPA, uPC : μPA.
Unit Descriptions :
Capacitors.
Unit of Capacitor is μF and pF, for example ; uF : μF, pF : μμF.
Resisters.
Unit of Resistor is
Ω
.
Inductance.
Unit of Inductance is μH and mH
Parts List Notes:
Due to standardization, Parts may be different from the parts described in the diagrams or used on
the Set.
Attention :
Dielectric voltage withstand test and Insuiation resistance test.
After repair complete. Dielectric voltage withstand test and Insulation resistance test to be con-
ducted according to the regulation of IEC-65 EN60065 or UL1492 or
.
About replacement of Optical Device.
Before exchanging the Optical Device, Check the RF level, Jitter, Eye pattern, Focus gain and
Tracking error.
When Optical Device is meet the specification, Playback the PS1 testing disc
“QA-DISC” or “AGING DISC” for checking the double speed and sled mechanism ability.
Optical Device should have to no exchange when spacification and ability are satisfied.