Yamaha DBR Series Service Manual

21
DBR10/DBR12/DBR15
LSI PIN DESCRIPTION（LSI 端子機能表）
PCM1781DBQR (X7375A00) DAC (Digital to Analog Converter) ........................................................21
PCM1803ADBR (X7357B00) ADC (Analog to Digital Converter) ........................................................21
PCM1803DBR (X7357A00) ADC (Analog to Digital Converter) ..........................................................21
TM4C1230D5PMIR (YF553A00) CPU .................................................................................................22
YSS952-QZE2A (YE441A00) DSP (SPR-2) (Digital Signal Processor) ...............................................21
PIN
NO.
I/O FUNCTIONNAME
PIN
NO.
I/O FUNCTIONNAME
1
2
3
4
5
6
7
8
9
10
VINL
VINR
VREF1
VREF2
V
CC
AGND
PDWN
BYPAS
TEST
LRCK
I
I
-
-
-
-
I
I
I
I/O
Analog input (L ch)
Analog input (R ch)
Reference-voltage-1 decoupling capacitor
Reference-voltage-2 decoupling capacitor
Analog power supply +5V
Analog ground
Power-down control, active-low
HPF bypass control
Test, must be connected to DGND
Audio data latch enable input/output
11
12
13
14
15
16
17
18
19
20
BCK
DOUT
DGND
V
DD
SCKI
OSR
FMT0
FMT1
MODE0
MODE1
I/O
O
-
-
I
I
I
I
I
I
Audio data bit clock input/output
Audio data digital output
Digital ground
Digital power supply +3.3V
System clock input
Oversampling ratio select input
Audio data format select input 0
Audio data format select input 1
Mode select input 0
Mode select input 1
PCM1803ADBR (X7357B00) ADC (Analog to Digital Converter)
PCM1803DBR (X7357A00) ADC (Analog to Digital Converter)
DSP: IC401
PIN
NO.
I/O FUNCTIONNAME
PIN
NO.
I/O FUNCTIONNAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GPIO5
GPIO4
GPIO3
DVSS
GPIO2
GPIO1
GPIO0
PLLVDD
IC_N
PLLVSS
PLLVSS
XIN
XOUT
IOVDD
SCL
SDA
I/O
I/O
I/O
-
I
I
I
-
I
-
-
I
O
-
I
I/O
General-purpose I/O pins
GND
General-purpose I/O pins
PLL power supply
Hardware reset pin
PLL GND
Clock input pin
Clock output pin
Control interface power supply
I
2
C control bus clock input pin
I
2
C control bus data I/O pin
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
OPEN
DVSS
IRQ_N
DVDD18
GPIO11
TESTb
DVSS
OPEN
DVSS
GPIO10
GPIO9
GPIO8
IOVDD
GPI07
DVDD18
GPI06
-
-
O
-
I/O
I
-
-
-
I/O
I/O
I/O
-
I/O
-
I/O
Leave this pin open
GND
Interrupt request output pin to the host controller
Core power supply
General-purpose I/O pins
Test pin
GND
Leave this pin open
GND
General-purpose I/O pins
Control interface power supply
General-purpose I/O pins
Core power supply
General-purpose I/O pins
YSS952-QZE2A (YE441A00) DSP (SPR-2) (Digital Signal Processor)
DSP: IC402
PIN
NO.
I/O FUNCTIONNAME
PIN
NO.
I/O FUNCTIONNAME
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9
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2
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Yamaha DBR Series Specifications

General

Type	Powered Speaker
Amplifier Class	Class-D
Inputs	XLR, 1/4" TRS, RCA
Outputs	XLR
Enclosure Material	Plastic
Mounting Options	Pole mount
Coverage angle	90° x 60°
I/O Connectors	XLR, 1/4" TRS, RCA
Woofer Size	12"
Tweeter Size	1.4"
Protection	Overcurrent protection