Yamaha CD-S2100 Service Manual page 46

CD-S2100
Pin
Port Name
No.
77 P1_3/TXD6/SDA6/D11
78 P1_2/RXD6/SCL6/D10
79 P1_1/CLK6/D9
80 P1_0/nCTS6/nRTS6/D8
81 P0_7/AN0_7/D7
82 P0_6/AN0_6/D6
83 P0_5/AN0_5/D5
84 P0_4/AN0_4/D4
85 P0_3/AN0_3/D3
86 P0_2/AN0_2/D2
87 P0_1/AN0_1/D1
88 P0_0/AN0_0/D0
89 P10_7/AN7/nKI3
90 P10_6/AN6/nKI2
91 P10_5/AN5/nKI1
92 P10_4/AN4/nKI0
93 P10_3/AN3
94 P10_2/AN2
95 P10_1/AN1
96 Avss
97 P10_0/AN0
98 Vref
99 Avcc
100 P9_7/nADTRG/SIN4
Key detection for AD port
Key input (A/D) pull-up resistance 10 k-ohms
Detected voltage value
at 86 pin
KEY0
Detected voltage value
at 85 pin
KEY1
Detected voltage value
at 84 pin
KEY2 PURE DIRECT
46
Function Name
(P.C.B.)
CD_YOVI SO
CD_YIVO SI
FPGA_IO1 I
FPGA_IO0 O
PRVR AD
PRVL AD
PRVD AD
KEY2 AD
KEY1 AD
KEY0 AD
LOAD- AD
LOAD+ AD
FPGA_DSDMUTE O
FGA_DOP_DSDPCM I
FPGA_DOP_DSDRATE I
EX_N_CS O
EX_N_IC O
FL_PON O
FL_N__RST O
MG MCU
FL_N_CS O
VREF MCU
AVCC MCU
NC O
+ 820 Ω + 3.3 kΩ
0 – 0.3 V 0.6 – 1.0 V
(STOP) (PAUSE)
+ 820 Ω + 3.3 kΩ
0 – 0.3 V 0.6 – 1.0 V
(PLAY) (SEARCH+/SKIP+)
+ 820 Ω + 3.3 kΩ
0 – 0.3 V 0.6 – 1.0 V
SOURCE
I/O
O O Vaddis886 control data out
O O Vaddis886 control data in
O O Communication between CPLDs serial clock
O O CPLD serial enable
O O Analog Rch power voltage protection
O O Analog Lch power voltage protection
O O Digital power voltage protection
O O Key taking AD
O O Key taking AD
O O Key taking AD
O O LOADER open detection
Using LOADER control signal of Pioneer module, tray open
enable function after CD stop is detected
O O LOADER open detection
Using LOADER control signal of Pioneer module, tray open
enable function after CD stop is detected
O O FPGA DSD MUTE designation / Low=MUTE, High=MUTE Off
O O FPGA
Judgment result on DOP's DSD/PCM input / L=PCM, H=DSD
O O FPGA
Judgment result on DOP's DSD normal speed/double speed
input
L=Normal speed, H=Double speed
O O Extended IC: Chip select for LC709004A
O O Extended IC: Initial clear for LC709004A
O O VFL power on control / High=FL power On, Low=FL power Off
O O FL driver control reset
MCU MCU D_GND
O O FL driver control chip selection
MCU MCU +5M
MCU MCU +5M
O O LED_OPT control / High=On, Low=Off
+ 12.0 kΩ
1.6 – 2.0 V
(OPEN/CLOSE)
+ 12.0 kΩ
1.6 – 2.0 V
(SEARCH-/SKIP-)
+ 12.0 kΩ
1.6 – 2.0 V
LAYER
Detail of Function