Sony ZS-M50 Service Manual page 30

Pin No. Pin name
51 SELECT
52 AVSS
53 AVREF
54 AVDD
55 LED - PRESET/AMS
56 LED - SELECT
57 LINE
58 LINE - LEVEL
59 KEY4
60 KEY3
61 KEY2
62 KEY1
63 TU - MUTE
64 TU - COUNT
65 TU - CLK
66 TU - DATA
67 TU - CE
68 NC
69 MD - SRXD
70 MD - STXD
71 NC
72 NC
73 CD - XRST
74 CD - CLK
75 CD - XLAT
76 CD - DATA
77 CD - SENSE1
78 CD - SCOR
79 CD - SQSO
80 CD - SHORT
81 CD - SQCK
82 CD - MUTE
83 CD - FOK
84 CD - SENSE2
85 RMC
86 TEX
87 TX
88 VSS
89 VDD
90 NC
91 NC
92 NC
93 SPEED - L
94 AU - DATA
95 AU - CLK
96 B/L - CONT
97 PA - STANDBY
98 AMUTE
99 CD
100 P - CON
I/O
I Destination select detection input.
– A/D converter ground terminal.
– A/D converter reference voltage input.
– A/D converter power supply terminal.
O AMS/PRESET LED drive output.
O SELECT LED drive output.
O Function LINE output.
O LINE level control signal output.
I Key input (4).
I Key input (3).
I Key input (2).
I Key input (1).
O Radio mute drive signal output.
I Radio PLL data input.
O Radio PLL clock output.
O Radio PLL data output.
O Radio PLL chip enable output.
– Not used (OPEN).
I Communicate with MD and UART receive input.
O Communicate with MD and UART send output.
– Not used (OPEN).
– Not used (OPEN).
O CD system reset signal output.
O CD serial clock output.
O CD system lack output.
O CD serial data output.
I CD SENSE 1 input.
I CD SCOR input.
I CD SUB Q data input.
I CD POWER circuit short detection input.
O CD SUB Q clock output.
O CD system mute output.
I CD FOK input.
I CD SENSE 2 input.
I Remote control signal input.
I Real clock oscillation input (32.768kHz).
O Real clock oscillation output (32.768kHz).
– Ground.
– Power supply terminal.
– Not used (OPEN).
– Not used (OPEN).
– Not used (OPEN).
O Open/Close motor drive output.
O AUDIO data output.
O AUDIO clock output.
O Back light ON/OFF control output.
O Power amplifier ON/Standby control output.
O Audio mute signal output.
O CD function output.
O POWER ON/OFF control.
– 30 –
Description