Sony MZ-E80 Service Manual page 19

Pin No. Pin Name
99 ADFG
100 VDIO2
101 VSIO2
102 F0CNT
103 XLRF
104 CKRF
105 DTRF
106 APCREF
107 LDDR
108 VDC4
109 TRDR
110 TFDR
111 FFDR
112 FRDR
113 FS4
114 SRDR
115 SFDR
116 VSC4
117 SPRD
118 SPFD
119 FGIN
120 to 122 TEST1 to TEST3
123 MTFLGR
124 SPVS
125 VDI03
126 VSI03
127 SPDU
128 SPDV
129 SPDW
130 SPCU
131 SPCV
132 SPCW
133 SLDU
134 SLDV
135 SLDW
136 VDC5
137 VSC5
138 SLCU
139 SLCV
140 SLCW
141 SLVS
142 BYPS
143 DVSS0
I/O
I ADIP duplex FM signal (22.05 kHz 1 kHz) input from the CXA2523ATQ (IC501)
— Power supply terminal (+2.2V) (for I/O cell)
— Ground terminal (for I/O cell)
Center frequency control signal output terminal of internal circuit (BPF22, BPF3T, EQ) output to
O
the CXA2523ATQ (IC501)
O Serial latch signal output to the CXA2523ATQ (IC501)
O Serial clock signal output to the CXA2523ATQ (IC501)
O Writing data output to the CXA2523ATQ (IC501)
Control signal output to the reference voltage generator circuit for the laser automatic power
O
control
O PWM signal output for the laser automatic power control Not used (open)
— Power supply terminal (+2V) (for internal logic)
O Tracking servo drive PWM signal (–) output to the MPC17A55VF (IC551)
O Tracking servo drive PWM signal (+) output to the MPC17A55VF (IC551)
O Focus servo drive PWM signal (+) output to the MPC17A55VF (IC551)
O Focus servo drive PWM signal (–) output to the MPC17A55VF (IC551)
O Clock signal (176.4 kHz) output to the MPC1830ADTB (IC901) (X' tal system)
O Sled servo drive PWM signal (–) output terminal Not used (open)
O Sled servo drive PWM signal (+) output terminal Not used (open)
— Ground terminal (for internal logic)
O Spindle servo drive PWM signal (–) output terminal Not used (open)
O Spindle servo drive PWM signal (+) output terminal Not used (open)
I FG signal input terminal for spindle servo
I Input terminal for the test (normally : fixed at "L")
Muting applied to analog signal input in non-signal status causes the signal to be "H"
O
automatically Not used
O Spindle servo drive voltage control signal output to the MPC17A55VF (IC551)
— Power supply terminal (+2.2V) (for I/O cell)
— Ground terminal (for I/O cell)
O Spindle servo (U) drive signal output to the MPC17A55VF (IC551)
O Spindle servo (V) drive signal output to the MPC17A55VF (IC551)
O Spindle servo (W) drive signal output to the MPC17A55VF (IC551)
I Spindle servo (U) timing signal input from the MPC17A55VF (IC551)
I Spindle servo (V) timing signal input from the MPC17A55VF (IC551)
I Spindle servo (W) timing signal input from the MPC17A55VF (IC551)
O Sled servo (U) drive signal output to the MPC17A55VF (IC551)
O Sled servo (V) drive signal output to the MPC17A55VF (IC551)
O Sled servo (W) drive signal output to the MPC17A55VF (IC551)
— Power supply terminal (+2V) (for internal logic)
— Ground terminal (for internal logic)
I Sled servo (U) timing signal input from the MPC17A55VF (IC551)
I Sled servo (V) timing signal input from the MPC17A55VF (IC551)
I Sled servo (W) timing signal input from the MPC17A55VF (IC551)
O Sled servo voltage control signal output to the MPC17A55VF (IC551)
O By-pass transistor control signal output terminal for the sled drive power supply
— Ground terminal (for internal 16M bit D-RAM)
Description
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