LG HX806CM How to update Network, How to troubleshoot Power Problems – SMPS schematic
Blu-ray Disc HOME CINEMA SYSTEM - LG HX806CM, SH86SM-S, SH85TM-W - update
Network, troubleshoot Power Problems.
NETWORK UPDATETo update the firmware by connecting your player directly to the S/W update server, your player must be connected to network. If your player is not connected to network, make a physical connection.
1) Press Home on the Remote Control.
2) Press Left or Right to select the Setup mode.
3) Select Others => Software Update
4) On the UPDATE window, press Right or ENTER to check for the newest update. (Checking will takes about one minute.)
[Pressing Enter while checking for the update will end process]
If newer version exists
5) If newer version exists, the message “A new update was found. Do you want to download it?” appears. Select OK to download the update.(Selecting CANCEL will end the update.)
6) The player starts downloading the newest update from the SBP server.
7) When downloading is completed, the message, “Download is complete. Do you want to update?” appears.
8) Select OK to start updating.
9) Update will be processed.
Caution: Do not turn off the power during firmware update.
10) When update is completed, the message,“Update is complete.” will appear, and the power will turn off automatically after 5 seconds.
11) Turn the power back on.The system now operates with the new version.
NO 13 VA, 6.3 VA
Solution
Replace D950, D951, D952, D953, D954, IC901.
How to troubleshoot (Countermeasure)
Case 1) FLD Abnormal: Check D950, D951 and replace it.
Case 2) 6.3 VA Abnormal: Check D952 and replace it.
Case 3) 12 V Abnormal: Check D953, IC951 and replace it.
Case 4) 3.7 VA Abnormal: Check D954 and replace it.
Case 5) All Voltage Abnormal: Check IC901 and replace it.
AMP POWER
AMP Vcc doesn’t work. (abnormal Sound)
Solution
Case 1) 30.5 V Abnormal : Replace PC901 or PC902 on SMPS Board.
Case 2) 30.5 V Abnormal : Replace IC902 or D955 on SMPS Board.
NO POWER PROBLEM (3.3 VA)
No power problem occurs when you power on the unit.
D101 (NO 3.3 VA)
Solution
Replace D101 on MAIN board.
How to troubleshoot (Countermeasure)
1) Please Check 3.7 VA (yellow signal).
2) If 3.7 VA is abnormal, please check SMPS board.
3) If 3.7 VA is OK, but 3.3 VA is abnormal. replace D101.
4) If 3.7 VA and 3.3 VA (at D101) is ok, check connection status with CN101 (MAIN board) and
CN907 (TIMER board).
5) If 3.7 VA, 3.3 VA and connection status is ok, replace IC101.
No power problem occurs when you power on the unit.
D101 (NO 3.3 VA)
Solution
Replace D101 on MAIN board.
How to troubleshoot (Countermeasure)
1) Please Check 3.7 VA (yellow signal).
2) If 3.7 VA is abnormal, please check SMPS board.
3) If 3.7 VA is OK, but 3.3 VA is abnormal. replace D101.
4) If 3.7 VA and 3.3 VA (at D101) is ok, check connection status with CN101 (MAIN board) and
CN907 (TIMER board).
5) If 3.7 VA, 3.3 VA and connection status is ok, replace IC101.
SMPS SCHEMATIC
NO POWER PROBLEM
No power problem occurs when you power on the unit.
Fuse & Bridge dode
Solution
Replace F901, BD901 on SMPS board.
How to troubleshoot (Countermeasure)
1) Look at the physical of fuse F901.
2) Check the bridge diode BD901.
Fuse & Bridge dode
Solution
Replace F901, BD901 on SMPS board.
How to troubleshoot (Countermeasure)
1) Look at the physical of fuse F901.
2) Check the bridge diode BD901.
AMPLIFIER
Power output (3 Ω), (RMS), THD 10 % (3 Ω/ 3 Ω)
Total 425 W
Front 140 W x 2
Sub-Woofer 145 W (Passive)
SPEAKERS
Front speaker (Left/ Right)
Type: 2 Way 2 speaker
Impedance Rated: 3 Ω
Input Power: 140 W
Max. Input power: 280 W
Net Dimensions (W x H x D): 150 x 260 x 150 mm (5.9 x 10.2 x 5.9 inches)
Net Weight: 0.8 kg (1.7 lbs)
Subwoofer
Type: 1 Way 1 speaker
Impedance Rated: 3 Ω
Input Power: 145 W
Max. Input power: 290 W
Net Dimensions (W x H x D): 216 x 382 x 312 mm (8.5 x 15 x 12.2 inches)
Net Weight: 5.54 kg (11.90 lbs)
