Sony RCD-W500C Service Manual page 87

Pin No. Pin Name
51 DVDD
52 FOK
53 RZC
54 MPDSH
55 SPDSH
56 RFPDSH
57 WFPDSH
58 WLDON
59 RLDON
60 SPBLVL
61 SPRFTR
62 VWDSW
63 VRDSW
64 RSBETA
65 SCLK
66 SDATA
67 XLAT
68 XRST
69 VSS
70 OSTCC
71 AGCC
72 PHD2C
73 RCCMPI
74 PBHO
75 AVDD1
76 AVSS1
77 RRFTOP
78 RRFBTM
79 N.C.
80 EQRF
81 N.C.
82 AUX1
83 AUX2
84 AUX3
85 MPXOUT
86 RRFVC(1V)
87 RECDIN
88 RRF
89 WRF
90 VSS
91 AIN
92 BIN
93 CIN
94 DIN
95 EIN
96 FIN
97 GIN
98 HIN
99 HAVC
100 AVSS3
I/O
— Power supply (digital)
O FOK signal output
O RF zero cross detection signal output Not used (open)
I Sampling pulse input for main beam signal "H" : sample, "L" : hold
I Sampling pulse input for side beam signal "H" : sample, "L" : hold
I Sampling pulse input for read APC "H" : sample, "L" : hold
I Sampling pulse input for write APC "H" : sample, "L" : hold
I Write LD control signal input "H" : set write APC value to zero, "L" :LD ON
I Read LD control signal input "H" : set read APC value to zero, "L" :LD ON
I BLEVEL sampling pulse input "H" : sample, "L" : hold
I WRFTR sampling pulse input "H" : sample, "L" : hold
I Write laser driver time constant setting switch control signal input "H" : ON, "L" : OFF
I Read laser driver time constant setting switch control signal input "H" : ON, "L" : OFF
β measuring circuit reset signal input "H" : reset the outputs of PHBETA and BHBETA
I
I Clock input for register setting
I Serial data input for register setting
I Latch siganl input for register setting
I Register reset terminal "L" : reset
— Ground terminal (analog)
O Capacitor connection terminal for setting fc of the equalizer output offset canceller
O External capacitor connection terminal for setting the RFAGC response speed
O External capacitor connection terminal for setting the P/H2 droop rate
I RC detection comparator input
O Bottom/top level output of RRF signal
— Power supply (analog)
— Ground terminal (analog)
O Peak level output of RRF signal Not used (open)
O Bottom level output of RRF signal Not used (open)
— Not used (ground)
O Equalizer filter output
— Not used (ground)
I Auxiliary input terminal (1) for monitoring signal Not used
I Auxiliary input terminal (2) for monitoring signal from the CN115 Not used
I Auxiliary input terminal (3) for monitoring VWDC2 signal from the optical pick-up
O Multiplexer signal output for the signal monitoring
I Level shift voltage input terminal for RRF signal
I RF signal input for the recorded block detection
O Read RF signal output
O Write RF signal output (open)
— Ground terminal (analog)
I Main beam signal (A) input
I Main beam signal (B) input
I Main beam signal (C) input
I Main beam signal (D) input
I Side beam signal (E) input
I Side beam signal (F) input
I Side beam signal (G) input
I Side beam signal (H) input
I Main/side beam signal center voltage input
— Ground terminal (analog)
Description
RCD-W500C
87