BBK DK1020S, Руководство по обслуживанию

Страница: 87 / 177

Pin Name Data direction Function Remark
20 PWM-AM I Subwoofer PWM positive signal input
21 PWM-AP I Subwoofer PWM negative signal input
22 GND Common
23 DGND Digital input/output reference ground
24 GND Common
25 DVDD Input/output power supply voltage 3.3V
26 GREG Door drive voltage regulator decoupling pin
27 GND Common
28 GND Common
29 GND Common
30 GVDD Door drive and digital regulator power supply end
31 BST-A High-side bootstrap supply(BST)
32 PVDD-A Subwoofer negative end power supply
33 PVDD-A Subwoofer negative end power supply
34 OUT-A O Subwoofer negative end output
35 OUT-A O Subwoofer negative end output
36 GND Common
37 GND Common
38 OUT-B O Subwoofer power amplifier positive output
39 OUT-B O Subwoofer power amplifier positive output
40 PVDD-B Subwoofer power amplifier positive power supply
41 PVDD-B Subwoofer power amplifier positive power supply
42 BST-B High-side bootstrap supply(BST)
43 BST-C
HS bootstrap supply BST
44 PVDD-C Surround right channel power supply
45 PVDD-C Surround right channel power supply
46 OUT-C O Surround right channel output
47 OUT-C O Surround right channel output
48 GND Common
49 GND Common
50 OUT-D O Surround left channel output
51 OUT-D O Surround left channel output
52 PVDD-D Surround left channel power supply