Read Sharp XL-DAB151PHBK (serv.man3) Service Manual online
XL-DAB151PH
4 – 10
U900 92L12000033901 : 2.1CH 40W High Efficiency Digital Audio System (STA339BWS) / (2/2)
Pin
No.
No.
NAME
Type
(Input/Output/
Power)
Description
1
GND_SUB
Ground
Substrate Ground
2
SA
Input
I²C select address (pull-down)
3
TEST_MODE
Input
This pin must be connected to ground (pull-down)
4
VSS
Input / Output
Internal reference at V
CC
- 3.3V
5
VCC_REG
Input / Output
Internal V
CC
reference
6
OUT2B
Output
Output half-bridge channel 2B
7
GND2
Ground
Power negative supply
8
VCC2
Power
Power positive supply
9
OUT2A
Output
Output half-bridge channel 2A
10
OUT1B
Output
Output half-bridge channel 1B
11
VCC1
Power
Power positive supply
12
GND1
Ground
Power negative supply
13
OUT1A
Output
Output half-bridge channel 1A
14
GND_REG
Ground
Internal ground reference
15
VDD
Power
Internal 3.3V reference voltage
16
CONFIG
Input
Parallel mode command
17
OUT3B / FFX3B
Output
PWM out channel 3B / external bridge driver
18
OUT3A / FFX3A
Output
PWM out channel 3A / external bridge driver
19
EAPD / OUT4B
Output
Power down for external bridge / PWM out channel 4B
20
TWARN / OUT4A
Input / Output
Thermal warning from external bridge (pull-up when input) / PWM out channel 4A
21
VDD_DIG
Power
Digital supply voltage
22
GND_DIG
Ground
Digital ground
23
PWRDN
Input
Power down (pull-up)
24
VDD_PLL
Power
Positive supply for PLL
25
FILTER_PLL
Input
Connection to PLL filter
26
GND_PLL
Ground
Negative supply for PLL
27
XTI
Input
PLL input clock
28
BICKI
Input
I²S serial clock
29
LRCKI
Input
I²S left / right clock
30
SDI
Input
I²S serial data channels 1 and 2
31
RESET
Input
Reset (pull-up)
32
INT_LINE
Output
Fault interrupt
33
SDA
Input / Output
I²C serial data
34
SCL
Input
I²C serial clock
35
GND_DIG
Ground
Digital ground
36
VDD_DIG
Power
Digital supply voltage
--
EP
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