Sony ZS-XN30 Service Manual page 39

Pin No. Pin Name
52, 53 A, B
54 NC
55 TEST-A
56 TEST B
SIMUKE1 to
57 to 59
SIMUKE3
60 LCD A0
61 BACKLIGHT
62 DVSS
63 NC
64 DVCC
65 P-CON
66 RELAY
67 VOL-DATA
68 VOL-CLK
69 NC
70 LCD-RES
71 NC
72 LCD-WR
73 COM_CONT
74 CD
75 RADIO
76 NC
77 A-MUTE
78 NC
79 LCD-CS
80 LOAD
81 M-BASS
82 NC
83 SDCLKO
84 SDOUT
85 SDIN
86 RDENI
87 NRSTO
88 XWAKEO
89 DVCC
90 SDXLATO
91 DVSS
92 BATT
93 BATT-COM
94 VOL-CHECK
95 to 97 KEY0 to KEY2
98, 99 NC
100 VREFH
I/O Description
I
Jog dial pulse input from the rotary encoder (JOG)
O Not used
I CD automatic adjustment value check mode setting terminal Normally fixed at "H"
O Not used
I Destination setting terminal
O
LCD data/command select signal output terminal
O LCD back light on/off control signal output terminal "H": LED ON Noy used
— Ground terminal
O Not used
—
Power supply terminal (+3.3V)
O Power control signal output terminal "H": active
O Not used
O Serial data output to the electrical volume
O Serial data transfer clock signal output to the electrical volume
O Not used
O LCD system reset signal output terminal "L": reset
O Not used
O LCD chip data write signal output terminal
O Middle voltage (+4.5V) detection signal output for battery middle voltage check
O CD power on/off control signal output terminal "L": CD on
O Tuner power on/off control signal output terminal "L": tuner on
O Not used
O
Audio muting on/off control signal output terminal "H": muting
O Not used
O LCD chip select signal output terminal
O Load control signal output for load control circuit
O MEGABASS on/off control signal output terminal
O Not used
O
Serial data transfer clock signal output to the MP3 decoder
O
Serial data output to the MP3 decoder
I
Serial data input from the MP3 decoder
I Interrupt status input from the MP3 decoder
O
System reset signal output to the MP3 decoder
O
System wake up signal output to the MP3 decoder
—
Power supply terminal (+3.3V)
O Chip select signal output to the MP3 decoder
—
Ground terminal
I High voltage (+9V) detection signal input for battery check
I Middle voltage (+4.5V) detection input for battery check
I Not used
I Key input terminal (A/D input)
O Not used
I
Reference voltage input terminal (+3.3V)
ZS-XN30
39