1-16 (No.MB141)
5.1.3
Protection(When High Voltage at Protectiion port)
5.1.3.1
In this case "LOW" for, Base port of Q12(R2003 TR) at MAIN PCB
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
"A"
Check Voltage
for Main AMP of Main PCB
VM, VL
Check voltage for IC4
-12V
Check circuit for voltage(-12V)
Check ABD 2,4
Check circuit for DC Voltage
Replace P/T, Q15
Check circuit for
Diode behind position
Check normal condition for Q15(C945)
;temperature-sense S/W be operated in the Power Trans
is Turn on
Check DC Voltage for Speaker port
Check the parts is normal?
;ZD6,ZD5(3.9V)
Check electric potention for PB D 1, ABD1 , PD3 at DVD Power PCB
;R33,R36(27K)
R34,R37 (150 O hm)
Содержание SP-WA25
Страница 13: ... No MB141 1 13 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT ...
Страница 27: ... No MB141 1 27 ...
Страница 31: ... M E M O ...
Страница 35: ...2 4 SHEET 1 To UW3 SHEET 2 To PCN1 SHEET 4 ...
Страница 36: ...2 5 To VW1 SHEET 3 To AJS1 SHEET 5 To UCW7 SHEET 3 Function section ...
Страница 37: ...2 6 SHEET 2 To VW2 SHEET 3 To CW6 SHEET 1 To CW7 SHEET 1 To CW5 SHEET 1 ...
Страница 38: ...2 7 Front display section To UW4 SHEET 2 ...
Страница 39: ...2 8 SHEET 3 Video section To UW7 SHEET 2 To UW8 SHEET 2 To AJ1 SHEET 5 To TUNER ...
Страница 40: ...2 9 DVD loader section To PW3 SHEET 1 ...
Страница 41: ...2 10 SHEET 4 ...
Страница 42: ...2 11 DVD MPEG DEC section ...
Страница 43: ...2 12 To UW6 SHEET 2 To VW3 SHEET 3 SHEET 5 ...
Страница 44: ...2 13 Printed circuit boards Main board ...
Страница 45: ...2 14 ...
Страница 46: ...2 15 Forward side Reverse side Function board ...
Страница 47: ...2 16 side se side ...
Страница 48: ...2 17 Forward side Reverse side Front board FL board FL board Power SW board ...
Страница 49: ...2 18 Power SW board ...
Страница 50: ...2 19 Forward side DVD servo control board ...
Страница 51: ...2 20 Reverse side ...
Страница 52: ...Video board 2 21 ...
Страница 53: ... M E M O ...