83
Speaker No Sound (Test signal:
Љ
0.5Vrms @1KHz sine waveform)
Audio problem
No Audio issue
Yes
Is the TV volume
set to “Mute”?
Yes
Increase the volume level by
pressing the VOL + button on the
remote control or
-
on the TV.
Please make sure the signal cable is
connected and has output. Remove the
headphone.
Note: Speaker will be muted when
headphone is connected.
Check IC19 power
pin6,7,12,13=12Vdc
Yes
Check IC19
audio output
Yes
Yes
Check IC19
output signal
Yes
Check net “MUTE” and “HP” circuit
Check equipment output
No
Check U1
No
IC19 fails
No
Содержание 15DV703R
Страница 1: ...FILE No 810 201090GR ...
Страница 2: ......
Страница 3: ...R ...
Страница 4: ......
Страница 47: ...44 Important Take note of the spring orientation when reassembling the TV Main board Power board ...
Страница 48: ... ˈ ˉ ˆ ˊ ˇ ˆ ˈ ˋ ˊ ˈ ˉ ˌ ˇ 15DV703R ˆ ˉ ˇ 5 Expladed Diagram 45 ...
Страница 50: ...47 19DV703R ˌ ˇ ˆ ˋ ˋ ˉ ˆ ˌ ˊ ˊ ˈ ˆ ˊ ˉ ˈ ˉ ˇ ˈ ...
Страница 52: ...4 19DV704R ˆ ˇ ˆ ˆˇ ˊ ˋ ˋ ˌ ˉ ˆ ˉ ˆ ˌ ˊ ˋ ˊ ˇ ˈ ˈ ˌ ...
Страница 54: ...49 ˈ ˇ ˈ ˉ ˉ ˋ ˌ ˊ ˉ ˆ ˌ ˊ ˇ ˊ ˆ ˈ ˋ ˇ 22DV703R ...
Страница 56: ...50 ˈ ˆ ˉ ˆ ˊ ˆˇ ˊ ˊ ˋ ˌ ˇ ˆ ˈ ˋ ˌ ˋ ˊ ˈ ˉ ˌ ˇ 22DV704R ...
Страница 58: ...51 ˈ ˆ ˉ ˆ ˊ ˆ ˋ ˌ ˇ ˆ ˈ ˋ ˋ ˊ ˈ ˉ ˌ ˇ 26DV703R ˆ ˆ ˉ ˇ ˌ ˇ ...
Страница 60: ...53 ˈ ˆ ˉ ˆ ˊ ˆ ˊ ˋ ˌ ˇ ˆ ˈ ˋ ˋ ˊ ˈ ˉ ˌ ˇ 32DV703R ˌ ˆ ˉ ˇ ...
Страница 62: ...55 6 Packing Diagrams 15DV703R ...
Страница 63: ...56 19DV703R 19DV704R ...
Страница 64: ...57 22DV703R 22DV704R ...
Страница 65: ...58 26DV703R ...
Страница 66: ...59 32DV703R ...
Страница 68: ...61 DVD Module ...
Страница 71: ...64 8 Printed Circuit Board Top Trace ...
Страница 72: ...65 Top Component ...
Страница 73: ...66 Bottom Trace ...
Страница 74: ...67 Bottom Component ...
Страница 93: ......