Sony MHC-AG121 Service Manual page 43

Pin No. Pin Name
47 CLTV
48 FILO
49 FILI
50 PCO
51 AVDD5
52 DDVROUT
53 DDVRSEN
54 AVSS5
55 DDCR
56 BCKI
57 PCMDI
58 LRCKl
59 LRCK
60 VSS
61 PCMD
62 BCK
63 VDD
64 EMPH
65 EMPHI
66 IOVDD2
67 DOUT
68 TEST
69 TES1
70 IOVss2
71 XVSS
72 XTAO
73 XTAI
74 XVDD
75 AVDD1
76 AOUT1
77 VREFL
78 AVSS1
79 AVSS2
80 VREFR
81 AOUT2
82 AVDD2
83 IOVDD0
84 RMUT
85 LMUT
86 XTSL
87 IOVSS0
88 XTACN
89 SQSO
90 SQCK
91 SBSO
92 EXCK
93 XRST
94 SYSM
95 D ATA
96 VSS
I/O
I Multiplier VCO1 control voltage input
O Master PLL (slave = digital PLL) filter output
I Master PLL filter input
O Master PLL charge pump output
– Analog power supply
O DC/DC converter output
I DC/DC converter output voltage monitor pin
– Analog ground
I DC/DC converter reset pin
I D/A interface bit clock input
I D/A interface serial data input (2's COMP, MSB first)
I D/A interface LR clock input
O D/A interface LR clock output f = Fs
– Internal digital ground
O D/A interface serial data output (2's COMP, MSB first)
O D/A interface bit clock output
– Internal digital power supply
O High when the playback disc has emphasis, low it has not
I High when de-emphasis is ON, low when input OFF
– I/O digital power supply
O Digital Out output
I Test pin Normally ground
I Test pin Normally ground
– I/O digital ground
– Master clock ground
O Crystal oscillation circuit output
I Crystal oscillation circuit input
– Master clock power supply
– Analog power supply
O Lch analog output
O Lch reference voltage
– Analog ground
– Analog ground
O Rch reference voltage
O Rch analog output
– Analog power supply
– I/O digital power supply
O Rch "0" detection flag (Not used)
O Lch "0" detection flag (Not used)
I Crystal selection input (Not used)
– I/O digital ground
I Oscillation circuit control Self-oscillation when high, oscillation stop when low
O Subcode Q 80-bit and PCM peak and level data output, CD TEXT data output
I SQSO readout clock input
O Subcode P to W serial output
I SBSO readout clock input
I System reset Reset when low
I Mute input Muted when high
I Serial data input from CPU
– Internal digital ground
Description
HCD-RG121
43