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Contents
8. Check D3.3V ......................................................................21
9. Check BT3.3V ....................................................................21
10. Check D.RF3.3V ................................................................22
11. Check 3.3V .........................................................................22
11. Check H1.8V ......................................................................22
13. No sound is output from Rch .............................................23
14. No sound is output from Lch .............................................23
15. No sound is output from Subwoofer ..................................24
BLOCK DIAGRAM SoundBar ................................................26
BLOCK DIAGRAM Subwoofer ...............................................27
WIRING overvIEW ..................................................................28
PRINTED WIRING BOARDS ...................................................29
SCHEMATIC DIAGRAMS (1/10) .............................................31
AUDIO_FRONTEND_SWITCH ...............................................31
DSP .........................................................................................32
HDMI .......................................................................................33
MCU ........................................................................................34
POWER STAGE ......................................................................35
POWER SUPPLY ....................................................................36
Button ......................................................................................37
IR ...........................................................................................38
Sub Woofer Volume ................................................................39
Sub Woofer Main.....................................................................40
EXPLODED VIEW SOUNDBAR ..............................................41
Sub-assembly VIEW ..............................................................42
EXPLODED VIEW SUBWOOFER ...........................................43
Sub-assembly VIEW ..............................................................44
PACKING VIEW .......................................................................45
ABOUT THIS MANUAL .............................................................3
What you can do with this manual ............................................3
Using Adobe Reader (Windows version) ..................................4
SAFETY PRECAUTIONS ..........................................................6
NOTE FOR SCHEMATIC DIAGRAM .........................................7
NOTE FOR PARTS LIST ...........................................................7
TECHNICAL SPECIFICATIONS ................................................9
DIMENSION ...............................................................................9
Precautions During Service...................................................10
Initializing This Unit .................................................................10
DISASSEMBLY ........................................................................ 11
1. MAIN PWB ASSY ...............................................................12
2. ANTENNA PWB ASSY .......................................................13
3. DWAM83-TB PWB ASSY ...................................................13
4. IR PWB ASSY ....................................................................13
5. BUTTONS PWB ASSY ......................................................14
6. SUB AMP and SMSC MODULE DWAM83-TB PWB .........14
7. SUB VOLUME PWB ..........................................................15
8. SMPS PWB ........................................................................15
FIRMWARE UPDATE PROCEDURE ......................................16
1. MCU rmware updating by USB ........................................16
TROUBLE SHOOTING ............................................................19
1. Check 24V ..........................................................................19
2. Check 5.2V .........................................................................19
3. Check 5V(SW5V) ...............................................................19
4. Check BK5V .......................................................................20
5. Check ADC3.3V .................................................................20
6. Check BK3.3V ....................................................................20
7. Check 1.8V .........................................................................21
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General
Weight and Dimensions
