3-12. Power Circuit Troubleshooting
RTC backup voltage
Power
Measuring
point
Output voltage
range
(AC OFF)
Output voltage
range
(AC ON)
R3V TP113 2.0-3.0V
3.4-3.0V
EVER system voltage
Power unit output
Power
Measuring
point
Output voltage
range
PS5VSB TP159
5.5-6.5V
EVER system voltage
M/B REG output, etc.
Power
Measuring
point
Output voltage
range
M5V TP115
4.75-5.25V
M3V TP114
3.13-3.47V
MM5V TP135 4.5-5.0V
MS5V C842-2PIN
4.75-5.25V
Power system voltage
Power unit output
Power
Measuring
points
Output voltage
range
PS12VDC TP160
11.4-12.6V
PS5VDC TP165
4.75-5.25V
PS3VDC TP164
3.13-3.47V
Yes
㩷
Battery (BT1)
error
Incorrect voltage at
AC OFF
㩷
Incorrect voltage
at AC ON
Yes
㩷
Yes
㩷
No
Power unit ON/OFF control signal check
PS_ON(Pin 1 of PJ12)
㩷
“L”
㩷
“H”
Yes
㩷
To (B)
㩷
To (C)
㩷
Failure of harness
and/or power unit
㩷
No
No
No
No
Summary of Contents for HD-A1SN
Page 18: ... C121 Fig 1 4 2 Digital Unit Bottom Side ...
Page 40: ...Fig 3 4 1 4 CIRCUIT DIAGRAMS 4 1 Power Supply Circuit Diagram ...
Page 41: ...4 2 Front Circuit Diagram 4 2 1 PWR SW Circuit Diagram Fig 3 4 2 ...
Page 42: ...4 2 2 USB Circuit Diagram Fig 3 4 3 ...
Page 43: ...Fig 3 4 4 4 2 3 Front MAIN Circuit Diagram ...
Page 44: ...4 2 4 Door Detect Circuit Diagram HD XA1 Fig 3 4 5 ...
Page 45: ...4 2 5 Motor Circuit Diagram HD XA1 Fig 3 4 6 ...
Page 46: ...Fig 3 4 7 4 3 AV Circuit Diagram 4 3 1 Audio Circuit Diagram ...
Page 47: ...4 3 2 Video Circuit Diagram Fig 3 4 8 ...
Page 48: ...4 3 3 HDMI Circuit Diagram Fig 3 4 9 ...
Page 50: ...1 2 3 4 5 6 7 8 A B Fig 3 5 2 Front MAIN PC Board Bottom side ...
Page 53: ...5 6 AV PC Board Fig 3 5 11 AV PC Board Top side 1 2 3 4 5 6 7 A B C ...
Page 54: ...Fig 3 5 12 AV PC Board Bottom side 1 2 3 4 5 6 7 A B C ...
Page 56: ...1 EXPLODED VIEWS 1 1 Packing Assembly Fig 4 1 1 Z006 Z001 Z009 Z010 Z013 Z002 Z007 ...
Page 68: ...1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...