Sony CDX-F5500M, Service Manual

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14
CDX-F5500M
Pin No. Pin Name I/O Pin Description
52 FILI I Filter signal input
53 PCO O Charge pump output
54 AVDD5 — Analog power supply pin (+3.3 V)
55 DDVROUT O DC/DC converter output
56 DDVRSEN I DC/DC converter output voltage monitor signal input
57 AVSS5 — Analog ground
58 DDCR I Reset signal input
59 NC — Not used. (Open)
60 BCKI I D/A interface bit clock signal input
61 PCMDI I D/A interface serial data signal input
62 LRCKI I D/A interface LR clock signal input
63 LRCK O D/A interface LR clock signal output
64 VSS — Ground
65 PCMD O D/A interface serial data signal output
66 BCK O D/A interface bit clock signal output
67 VDD — Power supply pin (+2.6 V)
68 EMPH O Not used. (Open)
69 EMPHI I Not used. (Fixed at L in this set)
70 IOVDD2 — Digital power supply pin (+3.3 V)
71 DOUT — Digital out signal output (Not used in this set)
72, 73 TEST I Test pin (Normally, fixed at L)
74 IOVSS2 — Digital ground
75 NC — Not used. (Open)
76 XVSS — Ground
77 XTAO O Master clock signal output (16.9344 MHz)
78 XTAI I Master clock signal input (16.9344 MHz)
79 XVDD — Power supply pin (+2.6 V)
80 AVDD1 — Analog power supply pin (+3.3 V)
81 AOUT1 O L channel analog signal output
82 VREFL O L channel reference voltage output
83, 84 AVSS1,AVSS2 — Analog ground
85 VREFR O R channel reference voltage output
86 AOUT2 O R channel analog signal output
87 AVDD2 — Analog power supply pin (+3.3 V)
88 NC — Not used. (Open)
89 IOVDD0 — Digital power supply pin (+3.3 V)
90 RMUT O R channel “0” detection flug output
91 LMUT O L channel “0” detection flug output
92 NC — Not used. (Open)
93 XTSL I Sub clock signal input (Fixed at L in this set)
94 IOVSS0 — Digital ground
95 XTACN I Oscillation circuit control signal input (Fixed at H in this set)
96 SQSO O Sub 80 bit, PCM peak and level data signal output
97 SQCK I Clock signal input
98 SBSO O Sub P-W serial data signal output (Not used in this set)
99 EXCK I Clock signal input (Not used in this set)
100 XRST I System reset signal input
101 SYSM I Mute signal input (Fixed at L in this set)
102 DATA I Serial data signal input
103 VSS — Ground
104 XLAT I Latch signal input
105 CLOK I Serial data transfer clock signal input
106 VDD — Power supply pin (+2.6 V)