4-1
SECTION 4
WIRELESS SUBWOOFER PART
CONTENTS
WIRING DIAGRAM
............................................................................................................................................
4-2
BLOCK DIAGRAM
............................................................................................................................................
4-3
ONE POINT REPAIR GUIDE
............................................................................................................................
4-4
1. NO POWER PROBLEM ......................................................................................................................... 4-4
2. POWER ON ERROR (12 V, 5 VA) ......................................................................................................... 4-6
3. POWER ON ERROR (3.3 VA, 3 V) ........................................................................................................ 4-7
4. WIRELESS CONNECTION .................................................................................................................... 4-8
WAVEFORMS OF MAJOR CHECK POINT
......................................................................................................
4-9
1. CRYSTAL ................................................................................................................................................ 4-9
2. FLASH MEMORY ................................................................................................................................... 4-9
3. VOLTAGE ............................................................................................................................................. 4-10
4. AMP VOLTAGE .................................................................................................................................... 4-12
5. PWM ..................................................................................................................................................... 4-13
6. LED ....................................................................................................................................................... 4-14
CIRCUIT VOLTAGE CHART
...........................................................................................................................
4-15
1. ICs ......................................................................................................................................................... 4-15
2. CAPACITORS ....................................................................................................................................... 4-15
3. CONNECTOR ....................................................................................................................................... 4-15
PRINTED CIRCUIT BOARD DIAGRAMS
.......................................................................................................
4-17
1. WOOFER SMPS P. C. BOARD ............................................................................................................ 4-17
2. WOOFER AMP P. C. BOARD .............................................................................................................. 4-19
3. WOOFER KEY P. C. BOARD ............................................................................................................... 4-19
Summary of Contents for SJ9
Page 37: ...2 22 ...
Page 53: ...3 16 CRYSTAL Fig 1 4 Crystal X601 25 MHz Fig 1 3 Crystal X603 12 288 MHz 3 4 3 4 ...
Page 57: ...3 20 13 14 5 OPTICAL Fig 5 2 Optical Opt Det Fig 5 1 Optical Opt In 13 14 ...
Page 60: ...3 26 3 25 2 MAIN P C BOARD DIAGRAM TOP VIEW ...
Page 61: ...3 28 3 27 MAIN P C BOARD DIAGRAM BOTTOM VIEW ...
Page 62: ...3 30 3 29 3 HDMI JACK P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...
Page 73: ...4 10 7 6 3 VOLTAGE Fig 3 2 Woofer 12 VA Fig 3 1 Woofer PVDD 6 7 ...
Page 74: ...4 11 9 8 VOLTAGE Fig 3 4 Woofer 3 3V_PWM Fig 3 3 Woofer 3 3 VA 8 9 ...
Page 75: ...4 12 10 11 4 AMP VOLTAGE Fig 4 2 AMP 12 V Fig 4 1 AMP PVDD 10 11 ...
Page 76: ...4 13 13 12 5 PWM Fig 5 2 Woofer PWM SW Signal Fig 5 1 Woofer PWM SW Signal 12 13 ...
Page 77: ...4 14 14 15 6 LED Fig 6 2 Pairing On Status Green LED Fig 6 1 Pairing Off Status Red LED 14 15 ...
Page 80: ...4 20 4 19 2 WOOFER AMP P C BOARD 3 WOOFER KEY P C BOARD TOP VIEW BOTTOM VIEW ...
Page 81: ...4 22 4 21 ...
