Technics RS-DV290EG Service Manual page 208

Pin Mark I/O
No. Division
1 VCC I Connected to power supply
2 VREF
3 AVSS — Connected to GND
4 MUTE O Mute control output terminal
5 PWCONT O DVD module power supply
control output terminal
6 SYNC I Power failure detect signal
input terminal
7 C/SW O Center/sub woofer speaker
SEL select signal output terminal
8 B_REQ I Serial communication
request signal input terminal
9 B_CS O Serial communication chip
select signal output terminal
10 B_CLK O Serial communication clock
signal output terminal
11 DATA O Serial communication data
O signal output terminal
12 DATA I I Serial communication data
signal input terminal
13 MIXSEL O Select control output
terminal for wide picture
14 WIDE1
15 CNV — Connected to GND
SS
16 TEST I Test mode input terminal
17 E-CS — Connected to GND
18 RESET I Reset signal input terminal
19 XIN I Crystal oscillator input
terminal (f=8MHz)
20 XOUT O Crystal oscillator output
terminal (f=8MHz)
21 V — Connected to GND
SS
22 LED- O Serial signal output to LED
STB drive
23 LED/ / O Serial signal output terminal
E-CLK to LED drive or EEPROM
24 LED/ / O Serial signal output terminal
E- to LED drive or EEPROM
DATA
25 LED- O Latch clear signal output
CLR terminal to LED drive
26 PLG O Plunger control signal output
terminal
27 SW5 I Bottom switch detect signal
input terminal
Function
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