Sony CFD-F17CP Service Manual page 40

CFD-F17CP
Pin No. Pin Name
52 AVREF
53 to 55 KEY1-3
56 MODE
57 NC
58 REG-CHK
59 VH
60 VM
61 AVSS
62, 63 NC
64 AVREF
65 to 67 NC
68 CMDOUT (MP3)
69 CMDIN (MP3)
70 CL (MP3)
71 NC
72 DRF (CD)
73 DO (CD)
74 DI (CD)
75 CL (CD)
76 CE (CD)
77 FSEQ (CD)
78 RES (CD)
79 RESB (MP3)
80 CE (MP3)
81 to 90 NC
91 A-MUTE
92 MEGABASS
93 P-CON
94 V-DATA
95 V-CLOCK
96 NC
97 TAPE PLAY
98 REC-IN
99 NC
100 VSS
40
I/O
I Reference voltage (+3.3V)
I Key input
I Mode signal input
— Not used (Open)
I Regulator voltage check input
I Battery check input for Hi-voltage
I Battery check input for Mid-voltage
— Ground terminal
— Not used (Open)
I Reference voltage (+3.3V)
— Not used (Open)
I MP3 decoder data input
O MP3 decoder data output
O MP3 decoder clock signal output
— Not used (Open)
I CD digital signal processor DRF signal input
I CD digital signal processor data input
O CD digital signal processor data output
O CD digital signal processor clock signal input
O CD digital signal processor chip enable output
I CD digital signal processor frame sync input
O CD digital signal processor system reset output
O MP3 decoder system reset output
O MP3 decoder chip enable output
— Not used (Open)
O Audio mute output
O MEGA BASS control output
O System power control output
O Volume data output
O Volume clock output
— Not used (Open)
I Tape play switch input L : Play
I Tape record signal input H : REC
— Not used (Open)
— Ground terminal
Description