Yamaha BBT500H Service Manual page 14

BBT500H
AK5383VF (X0578A00) A/D
PIN
NAME I/O
NO.
1 VREFL O
2 GNDL -
3 VCOML O
AINL +
4 I
AINL -
5 I
6 ZCAL I
7 VD -
8 DGND -
9 CAL O
10 RST I
11 SMODE2 I
12 SMODE1 I
13 LRCK I/O
14 SCLK I/O
AK4393VF-E2 (XW029A00) DAC (Digital to Analog Converter)
PIN
NAME I/O
NO.
1 DVSS -
2 DVDD -
3 MCLK I
4 /PD I
5 BICK I
6 SDATA I
7 LRCK I
8 SMUTE//CS I
9 DFS I
10 DEM0/CCLK I
11 DEM1/CDTI I
12 DIF0 I
13 DIF1 I
14 DIF2 I
TDA7571 (X4450A00) DIGITAL POWER AMPLIFIER
PIN
NAME I/O
NO.
1 (N.C)
2 (N.C)
3 (N.C)
4 Gpr I/O Gate PMOS, Right Channel
5 Gprs I/O Sense Gate PMOS, Right Channel
6 +Vs-5
7 Spr2 I
8 Spr1 I
9 +Vs-Vref1 I
10 pgnd
11 (N.C)
12 +Vs I
13 Spl1 I
14 Spl2 I
15 -Vs+5
16 (N.C)
17 Gpls I/O Sense Gate PMOS, Left Channel
18 Gpl I/O Gate PMOS, Left Channel
19 (N.C)
20 (N.C)
21 Gnl I/O Gate NMOS, Left Channel
22 Gnls I/O Sense Gate NMOS, Left Channel
23 Snl2 I
24 Snl1 I
25 -Vs+Vrefl I
26 -Vs I
27 -Vs I
28 Feed L in O
29 CDsel1
30 CDsel2
31 CD O
32 dgnd
14
FUNCTION
Voltage refernce
Ground
Common
Analog input +
Analog input -
Zero calibration
Voltage digital +3.3V
Ground
Calibration status
Reset
Serial interface mode2
Serial interface mode1
L/R Clock
Serial data clock
FUNCTION
Digital ground
Digital power supply
Master clock
Power down mode
Audio serial data clock
Audio serial data input
L/R clock
Soft mute
Double speed sampling mode
De-emphasis enable
Digital input format
FUNCTION
Power Supply
Sensing 2 PMOS, Right Channel
Sensing 1 PMOS, Right Channel
Supply Drivers PMOS
Power Ground
Positive Power Supply
Sensing 1 PMOS, Left Channel
Sensing 2 PMOS, Left Channel
Power Supply
Sensing 2 NMOS, Left Channel
Sensing 1 NMOS, Left Channel
Supply Drivers NMOS. Left Channel
Negative Power supply
Negative Power supply
Feedback Network Left Channel
Clip Detector Selection 1
Clip Detector Selection 2
Clip Detector Output
Digital Ground
PIN
NAME I/O
NO.
15 SDATA O
16 FSYNC I/O
17 MCLK I
18 DFS I
19 HPFE I
20 TEST I
21 BGND -
22 AGND -
23 VA -
AINR -
24 I
AINR +
25 I
26 VCOMR O
27 GNDR -
28 VREFR O
PIN
NAME I/O
NO.
15 BVSS - Substrate ground
16 VREFL I Low level voltage reference
17 VREFH I High level voltage reference
18 AVDD - Analog power supply +5 V
19 AVSS - Analog ground
20 AOUTR- O Rch negative analog output
21 AOUTR+ O Rch positive analog output
22 AOUTL- O Lch negative analog output
23 AOUTL+ O Lch positive analog output
24 VCOM O Common voltage output
25 P//S I Parallel/serial select
26 CKS0 I
27 CKS1 I Master clock select
28 CKS2 I
PIN
NAME I/O
NO.
33 bridge Stereo/Bridge Selection
34 L/R Bridge Left/Right Selection
35 Rfs pcm-pwm gain conversion resistor
36 THWint O Internal Thermal Warning Output
37 THWext O External Thermal Warning Output
38 NTC O Sensing Resistors Network
39 f
40 5Vdig O Digital 5V Supply Output
41 P/O PLL/FREE Running Osc. Option
42 +Vs-low I Positive Voltage Supply Low Power
43 d1 Dither 1
44 d2 Dither 2
45 t1
46 MCLK I Master Clock Input
47 t2
48 SD I I2S Serial Data
49 WS I I2S Word Select
50 SCK I I2S Serial Clock
51 (N.C)
52 -2.5V O Signal -2.5V Supply Output
53 sgnd O Signal Ground
54 +2.5V O Signal 2.5V Supply Output
55 MUTE I Mute Input
56 ST-BY I Stand By Input
57 Feed R in O Feedback Network Right Channel
58 -Vs O Negative Voltage Supply
59 -Vs O Negative Voltage Supply
60 -Vs+Vrefr I Supply Drivers NMOS. Right Channel
61 Snr1 I Sensing 2 NMOS, Right Channel
62 Snr2 I Sensing 1 NMOS, Right Channel
63 Gnrs I/O Sense Gate NMOS, Right Channel
64 Gnr I/O Gate NMOS, Left Channel
DM: IC122
FUNCTION
Serial data
Flame synchronize
Master clock
Double fast sampling mode
HPF Enable
Test
Ground
Ground
Voltage +5V
Analog input -
Analog input +
Common
Ground
Voltage reference
DM: IC123
FUNCTION
PW: IC107
FUNCTION