Sony CDX-4480ESP Service Manual page 25

Pin No. Pin Name
56 AMP ON
57 XMODE
58 VOL SO
59 VOL CKO
60 AU MUTE
61 AF MUTE
62 TU MUTE
63 VSS
64 ACC IN
65 AF SEEK
66 M SIO
67 DAVN
68 M CK
69 M CE
70 RDS SI
71 RDS CKI
72 RC IN1
73 X1A
74 X0A
75 SCOR
76 BU-IN
77 DQSY
78 CD SENS
79 KEY ACK
80 TEL MUTE
81 ST IN
82 SEEKOUT
83 SD IN
84 MONO
85 PLL CE
86 H
87 VSS
88, 89 VCC
90 RESET
91 VSS
92 X0
93 X1
94 VCC
95 PW SEL
96 POL MONO
97 AREA1
98 AREA2
99 AREA3
100 BAND (9K/10K)
101 POL ST
102 NIL
103 NIL
104 LCD CE
105 NIL
106 RE0
107 RE1
108 LAMP ON
I/O
O Power amplifier power control output
O Reset output to CD-TEXT decoder IC. (Not used in this set.)
O Main volume serial data output
O Main volume serial clock output
O System attenuate control output
O Attenuate output at AF operation of RDS. (Not used in this set.)
O Tuner attenuate output (Not used in this set.)
— GND
I Accessory power detection input
O AF operation control output of RDS. (Not used in this set.)
I/O EEPROM serial data input/output (Not used in this set.)
I RDS IC data taking in detection input
O EEPROM serial clock output (Not used in this set.)
O EEPROM chip enable output (Not used in this set.)
O RDS serial data input (Not used in this set.)
O RDS serial clock input (Not used in this set.)
I Rotary commander shift key input
— Low speed oscillation input 1
— Low speed oscillation input 0
I SCOR signal detection input (Connected to GND.)
I Back-up power detection input
I CD-TEXT data set complete signal detection input (Connected to GND.)
I CD SENS signal detection input (Connected to GND.)
I Key input detection input at power OFF.
I Telephone attenuate detection input
I Tuner stereo signal detection input
O MW/LW SEEK output
I Signal detector input
I Not used in this set.
O PLL chip enable output
— Hardware standby input
— GND
— Power supply pin (+5 V)
— Reset input
— GND
— High speed oscillation input 0
— High speed oscillation input 1
— Power supply pin (+5 V)
I Power select initial setting input
I Not used in this set.
I Destination select input 1 (Fixed at "L" in this set.)
I Destination select input 2 (Fixed at "H" in this set.)
I Destination select input 3 (Fixed at "L" in this set.)
I Band plan setting general area
I Not used in this set.
I Connected to GND.
I Connected to GND.
O LCD chip enable output
I Fixed at "H" in this set.
I Rotary encoder input 0
I Rotary encoder input 1
O Illumination power control output
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Pin Description