Sharp XL-DAB (serv.man2) Service Manual ▷ View online
XL-DAB151PH
4 – 7
U7 92L12000146902 : 4CH BTL Driver for CD Player with 3.3V Output Voltage (SA1469PH) / (1/2)
Figure 4-5 BLOCK DIAGRAM OF IC
Figure 4-6 PIN CONFIGURATION OF IC
28
GND
10K
13K
13K
Regulator
OUT1A
OUT1B
IN1A
IN1B
REG
REO
MUTE
GND
IN2B
IN2A
OUT2B
OUT2A
GND
GPOUT
Mute
10K
10K
50K
50K
1K
10K
13K
13K
1K
10K
1K
16.5K
1K
OUT4A
OUT4B
IN4A
IN4B
V
REF
V
CC
V
CC
IN
3
B
IN
3
A
OUT
3
B
OUT
3
A
OPIN(+)
OPIN(-)
Level Shift
and Buffer
and Buffer
27
26
25
24
23
22
21
20
19
18
17
16
15
Themal
Shutdown
Level Shift
and Buffer
and Buffer
Level Shift
and Buffer
and Buffer
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Level Shift
and Buffer
and Buffer
GND
OUT1A
OUT1B
1N1A
GND
IN2B
IN2A
OUT2B
OUT2A
GND
OPOUT
1N1B
REG
REO
MUTE
OUT4A
OUT4B
IN4A
IN4B
VREF
V
CC
OUT
3
A
OUT
3
B
IN
3
A
IN
3
B
OPIN(+)
OPIN(-)
V
CC
SA1469PH
28 27 26 25 24 23 22
21 20 19 18 17 16 15
8
9
10 11 12 13 14
1
2
3
4
5
6
7
XL-DAB151PH
4 – 8
U7 92L12000146902 : 4CH BTL Driver for CD Player with 3.3V Output Voltage (SA1469PH) / (2/2)
Pin
No.
No.
NAME
Type
(Input/Output/
Power)
Description
1
OUT1A
Output
Drive Output
2
OUT1B
Output
Drive Output
3
IN1A
Input
Drive Input
4
IN1B
Input
Drive Input
5
REG
Regulator
6
REO
Output
Regulator Output
7
MUTE
Input
Mute
8
GND
---
Ground
9
IN2B
Input
Drive Input
10
IN2A
Input
Drive Input
11
OUT2B
Output
Drive Output
12
OUT2A
Output
Drive Output
13
GND
---
Ground
14
OPOUT
Output
Opamp output
15
OPIN(-)
Input
Opamp input(-)
16
OPIN(+)
Input
Opamp input(+)
17
OUT3A
Output
Drive Output
18
OUT3B
Output
Drive Output
19
IN3A
Input
Drive Input
20
IN3B
Input
Drive Input
21
VCC
---
Supply Voltage
22
VCC
---
Supply Voltage
23
VREF
Input
2.5V bias voltage
24
IN4B
Input
Drive Input
25
IN4A
Input
Drive Input
26
OUT4B
Output
Drive Output
27
OUT4A
Output
Drive Output
28
GND
---
Ground
XL-DAB151PH
4 – 9
U900 92L12000033901 : 2.1CH 40W High Efficiency Digital Audio System (STA339BWS) / (1/2)
Figure 4-7 BLOCK DIAGRAM OF IC
Figure 4-8 PIN CONFIGURATION OF IC
I
2
S
interface
Volume
control
Power
control
Logic
FFX
PLL
Digital DSP
Power
Regulators
Channel
2A
Channel
1B
Channel
1A
Channel
2B
Bias
I
2
C
GND_SUB
SA
TEST_MODE
VSS
VCC_REG
OUT2B
GND2
GND1
VDD
CONFIG
EP, exposed pad
(device ground)
VCC2
VCC1
OUT2A
OUT1A
GND_REG
OUT3B / FFX3B
OUT3A / FFX3A
18
17
16
15
14
13
12
11
29
28
27
26
25
24
23
22
21
20
19
30
31
32
33
34
35
36
10
9
8
7
6
5
4
3
2
1
OUT1B
VDD_DIG
GND_DIG
INT_LINE
RESET
SDI
LRCKI
BICKI
XTI
GND_PLL
GND_DIG
VDD_DIG
TWARN / OUT4A
EAPD / OUT4B
FILTER_PLL
VDD_PLL
PWRDN
SCL
SDA
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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