Power unit operation check (SHPWR0000137)
Are the power cord and extension cable in
the unit properly connected?
Connect the power cord and extension cable
properly, and turn on the power again.
No
Yes
Is F1 normal ?
Are both components (VR2 and VR3) Low
impedance when checking their resistance
values?
No
Yes
Is F2 normal ?
Is it low impedance when checking the
C5&C8 Resistance values?
No
Replace F1
Yes
Yes
Is a 390~450V voltage on the C8?
Replace F2
Yes
Is it not enough 390Vdc?
No
Yes
Check PFC stage, including D5,L2,Q2,Q3
and IC1
Yes
Is there power down signal (3~3.4V) on the
PIN 3 of CX400 between the PIN 2 of
CX200?
No
Is there 3.3V output on the C94
Yes
Does the PSU_STBY Voltage from system?
Yes
To check Q8 and PC5.The
Q8 and PC5 was conducted
when the AC voltage
applied to PSU.
Continued on next page.
No
Replace
PSU.
LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E
6-39
Содержание Aquos LC-32WT1E
Страница 33: ...Backlight failure to light up LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 6 2 ...
Страница 34: ...In case of LCD failure LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 6 3 ...
Страница 80: ...7 9 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 1 2 2 12C Switch 74LVC4066PW ...
Страница 81: ...7 10 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 1 2 3 UOC Processor TDA15134E ...
Страница 83: ...7 12 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 1 2 6 PNX Processor PNX5010E ...
Страница 84: ...7 13 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 1 2 7 DDR Memory K4H561638F UCC ...
Страница 86: ...7 15 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 1 2 10 HDMI Receiver TDA9975AEL 10 ...
Страница 88: ...7 17 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 1 2 13 Amtel Processor ATTINY2313V 10 ...
Страница 95: ...7 24 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 1 2 27 DDR RAM K4H561638F UCC ...
Страница 97: ...7 26 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 1 2 30 Buffer 74LVC245APW ...
Страница 110: ...8 11 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 4 8 Power Unit LC 42WD1E S RU AND LC 42WT1E ...
Страница 111: ...9 1 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E CHAPTER 9 PRINTED WIRING BOARD 1 LED IR ...
Страница 112: ...9 2 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 2 SIDE I O ...
Страница 113: ...9 3 LC 32WD1E S RU LC 37WD1E S RU LC 42WD1E S RU and LC 32 37 42WT1E 3 KEYPAD ...