Sony HCD-RG190, Service Manual, Page: 66 / 126

66
HCD-RG190/RG290
Pin No. Pin Name I/O Description
46 ASYO O
Playback EFM full-swing output terminal
47
VPCO O Charge pump output terminal for broad-band EFM PLL
48
VCTL I VCO2 control voltage input terminal for broad-band EFM PLL
49
AVSS3 - Ground terminal
50
CLTV I VCO1 control voltage input terminal for multiplier
51
FILO O Filter output terminal for master PLL
52
FILI I Filter input terminal for master PLL
53
PCO O Charge pump output terminal for master PLL
54
AVDD5 - Power supply terminal (+3.3V)
55 DDVROUT O
DC/DC converter output terminal
56 DDVRSEN O
DC/DC converter output voltage monitor input terminal
57
AVSS5 - Ground terminal
58
DDCR
I
Input terminal for the test Normally: fixed at "L"
59
NC - B signal input from the optical pick-up block
60
BCKI I Bit clock signal input terminal
61
PCMDI I Serial data input from the MP3 decoder
62 LRCKI I L/R sampling clock signal input terminal
63 LRCK O L/R sampling clock signal output terminal
64 VSS - Ground terminal
65 PCMD O Serial data output to the MP3 decoder
66 BCK O Bit clock signal output terminal
67 VDD - Power supply terminal (+3.3V)
68 EMPH O
"L" is output when playback disc is emphasis off
"H" is output when playback disc is emphasis on Not used
69 EMPHI O "L" is input when de-emphasis is off "H" is output when de-emphasis is on Not used
70 IOVDD2 - Power supply terminal (+3.3V)
71 DOUT O Digital audio signal output terminal Not used
72 TEST I Input terminal for the test Normally: fixed at "L"
73 TEST1 I Input terminal for the test Normally: fixed at "L"
74 IOVSS2 - Ground terminal
75 NC - Not used
76 XVSS - Ground terminal
77 XTAO O System clock output terminal (16.9344 MHz)
78 XTAI I System clock input terminal (16.9344 MHz)
79 XVDD - Power supply terminal (+1.8V)
80 AVDD1 - Power supply terminal (+3.3V)
81 AOUT1 O L-ch analog audio signal output terminal
82 VREFL O L-ch reference voltage output terminal
83 AVSS1 - Ground terminal
84 AVSS2 - Ground terminal
85 VREFR O R-ch reference voltage output terminal
86 AOUT2 O R-ch analog audio signal output terminal
87 AVDD2 - Power supply terminal (+3.3V)
88 NC - B signal input from the optical pick-up block
89 IOVDD0 - Power supply terminal (+3.3V)
90 RMUT O Muting control signal (for R-ch) output terminal Not used
91 LMUT O Muting control signal (for L-ch) output terminal Not used
92 NC - B signal input from the optical pick-up block