Sony HCD-C5 Service Manual page 75

Pin No. Pin Name
51 PROTECT
52 PRE-MUTE
53 PWR-MUTE
54 REC-MUTE
55 HP-MUTE
56 SPK-RELAY
57 HELP
58 BVDD
59 BVSS
60 KBD-CHK
61 KBD-DATA
62 VOL-CE
63 VOL-CLK
64 VOL-DATA
65 LED
66 FAN-ON
67 HP-IN
68 IO-RST
69 PWR-RELAY
70 MD-PWR
71 FL-ON
72 ON/STANDBY
73 DIMMER
74 AVDD
75 AVSS
76 AVREF
77 KEY1
78 KEY2
79 KEY3
80 ADJ
81 DEST1
82 DEST2
83 DEST3
84 DEST4
85 MODEL1
86 MODEL2
87 DEVICE1
88 DEVICE2
89 KBD-CLKO
90 KBD-CLKI
91 AC-CUT
92 PCPON
93 KEY-RM
94 SIRCS
95 SCOR
96 RDS-CLK
97 IO-DI
98 IO-DO
99 IO-CLK
100 IO-CE
I/O
I Not used (pull-up)
O Pre-amplifier muting signal output
O Not used (open)
O REC output muting signal output
O Not used (open)
O Speaker relay control signal output
I/O IIC busy signal input or output
— Power supply for bus interface
— Ground for bus interface
I PC LINK inserted detect signal input
I Key board data input (pull-up)
O Volume latch signal output to the sound processor
O Volume clock signal output to the sound processor
O Volume data signal output to the sound processor
O LED control signal output
O Not used (open)
I Headphone detect signal input (pull-down)
O Not used (open)
O Power relay control signal output
O MD power control signal output
O Not used (open)
O STANDBY LED control signal output
O Not used (open)
— Analog power supply
— Analog ground
— Analog reference voltage
I Key input signal from function switch
I Key input signal from function switch
I Key input signal from function switch
I Adjust mode input (pull-up)
I Destination setting input
I Destination setting input
I Destination setting input
I Destination setting input
I Model setting input
I Model setting input
I Device setting input
I Device setting input
O Keyboard clock output (pull-up)
I Keyboard clock input (pull-up)
I AC off detect signal input
I PC power detect signal input for PC LINK
I Remote control receiver or power key detect signal input
I
Remote control receiver data signal input
I CD Q-data request signal input
I RDS clock signal input
— Not used (open)
— Not used (open)
— Not used (open)
— Not used (open)
Description
HCD-C5
75