24
No sound from external input devices (2)
Does not the sound of the audio signal input to VGA go out?
MAIN UNIT:
YES
NO
Is the audio signal properly sent to pin (3) and pin
(2) of CN1102?
NO
Check the connection to CN1102 and the external
input device.
Is the audio signal properly sent to pin (67)
(AIN1_R) and pin (69) (AIN1_L) of IC U2102?
Check the line between CN1102 and IC U2102.
YES
Refer to “No sound output in all modes”.
Summary of Contents for LC-32LE440U
Page 1: ...SERVICE MANUAL LCD COLOR TELEVISION MODEL LC 32LE440U ...
Page 3: ...2 ...
Page 4: ...3 ...
Page 6: ... 2 DIMENSIONS 5 ...
Page 10: ...9 1 Remove the 5 screws and disconnect 4 cables Detach the Main board ASSY as Fig 9 Fig 9 ...
Page 45: ...44 BOTTOM ...
Page 46: ...45 2 POWER SCHEMATIC DIAGRAM POWER BOARD WITH TOP BOTTOM VIEW Top Layer ...
Page 47: ...46 Bottom Layer ...
Page 48: ...47 3 KEY UNIT PRINTED WIRING BOARD 4 IR UNIT PRINTED WIRING BOARD ...
Page 49: ...48 CHAPTER 8 SCHEMATIC DIAGRAM 1 MAIN SCHEMATIC DIAGRAM 01 System POWER ...
Page 50: ...49 02 MT5389 ...
Page 51: ...50 03 DDR3 DRAM Flash ...
Page 52: ...51 04 Peripheral IR Keypad ESD ...
Page 53: ...52 05 HDMI ...
Page 54: ...53 06 VGA RS 232 USB ...
Page 55: ...54 07 YPbPr ...
Page 56: ...55 08 Audio amp ...
Page 57: ...56 09 Headphone line out SPDIF ...
Page 58: ...57 10 LVDS 11 Tuner ...
Page 68: ......
Page 71: ...70 4 PACKING PARTS ...
Page 73: ...72 ...