Sony CFD-G555CP Service Manual page 48

CFD-G555CP/G555CPK
Pin No. Pin Name
49 INTB(MP3)
50 WRQ(CD)
51 AVDD
52 AVREF0
53 KEY1
54 KEY2
55 KEY3
56 MODEL
57 N.C
58 REG-CHK
59, 60 N.C
61 AVSS
62, 63 N.C
64 AVREF1
65 to 67 N.C
68 CMDOUT(MP3)
69 CMDIN(MP3)
70 CL(MP3)
71 N.C
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 84 N.C
85 W-LED1
86 W-LED2
87 to 89 NC
90 P-MUTE
91 A-MUTE
92 WOOFER ON/OFF
93 P-CON
94 V-DATA
95 V-CLOCK
96 WOOFER 1/2
97 TAPE PLAY
98 REC IN
99 NC
100 VSS
48
I/O
I Decoder IC interrupt signal input
I CD interrupt signal input
— Power supply pin (+3.3V)
— Power supply pin (+3.3V)
I A/D key input 1
I A/D key input 2
I A/D key input 3
I Model setting pin (connected to ground)
— Not used
I Regulator check detect signal input
— Not used
— Ground
— Not used
— Power supply pin (+3.3V)
— Not used
I COMMAND serial data input
O COMMAND serial data output
O COMMAND serial clock output
— Not used
I CD focus ON detect signal input
I CD data input
O CD data output
O CD clock output
O CD chip enable output
I CD synchro. signal detect input
O CD DSP IC reset output
O MP3 IC system reset output
O COMMAND serial enable output
— Not used
O Woofer LED control signal output (not used)
O Woofer LED control signal output (not used)
— Not used
O Power amp mute control signal output
O Audio mute control signal output
O Woofer AGC control signal output
O Power control signal output
O Electronic volume serial data output
O Electronic volume serial clock output
O Woofer gain control signal output
I TAPE play detect signal input
I REC signal input
— Not used
— Ground
Description