Sony MZ-R909 Service Manual page 51

Pin No.
Pin Name
93 SPCU
94 SPCV
95 SPCW
96 SRDR
97 SFDR
98 SLDV
99 SLDW
100 SLCU
101 SLCV
102 SLCW
103 DIFVDD1
104 DIFVSS1
105 EFMO
106 MNT0
107 MNT1
108 MNT2
109 MNT3
110 SENSE
111 TX
112 RECP
113 DSPVDD3
114 to
NC
117
118 DRAMVSS0
119 DRAMVDD0
120 to
NC
138
139 DRAMVDD1
140 DRAMVSS1
141 TSB MST VDD
142 RMC DTCK
143 TSB SLV VDD
144 TSB SLVI
145 TSB SLVO
146 TDI
147 TMS
148 TCK
149 XTRST
150 TDO
151 JTAGVDD
152 JTAGVSS
153 MCUVDD2
154 MIFVDD0
155 MIFVSS0
156, 157 TEST1, TEST0
I/O
I Spindle motor drive comparison signal input (U) from the motor driver (IC551)
I Spindle motor drive comparison signal input (V) from the motor driver (IC551)
I Spindle motor drive comparison signal input (W) from the motor driver (IC551)
O Sled motor drive signal output (U) to the motor driver (IC551)
O Sled servo drive PWM signal output to the motor driver (IC551)
O Sled motor drive signal output (V) to the motor driver (IC551)
O Sled motor drive signal output (W) to the motor driver (IC551)
I Sled motor drive comparison signal input (U) from the motor driver (IC551)
I Sled motor drive comparison signal input (V) from the motor driver (IC551)
I Sled motor drive comparison signal input (W) from the motor driver (IC551)
— Power supply terminal (for DSP I/F) (+2.3V)
—
Ground terminal (for DSP I/F)
O EFM encode data output for the record to the over write head drive (IC601)
O Internal DSP monitor output (0) terminal Not used (open)
O Internal DSP monitor output (1) terminal Not used (open)
O Internal DSP monitor output (2) terminal Not used (open)
O Internal DSP monitor output (3) terminal Not used (open)
O Internal DSP (SENS) monitor output terminal Not used (open)
Record data output enable signal output monitor terminal of the internal DSP
O
Not used (open)
O Laser power changeover signal output monitor terminal Not used (open)
—
Power supply terminal (for DSP block) (+1.5V)
O Output terminal for the external D-RAM Not used (open)
—
Ground terminal (for the external D-RAM)
— Power supply terminal (for the external D-RAM) (+2.4V)
O Output terminal for the external D-RAM Not used (open)
—
Power supply terminal (for the external D-RAM) (+2.4V)
—
Ground terminal (for the external D-RAM)
— Power supply terminal (for TSB master communication) (+2.8V)
I/O TSB serial data input/output with the remote commander attached headphone
—
Power supply terminal (for I/F to TSB slave communication)
I TSB slave signal input from the remote commander attached headphone
O TSB slave signal output to the remote commander attached headphone
I Data input terminal for JTAG Not used (open)
I Test mode control input terminal for JTAG Not used (open)
I Clock input terminal for JTAG Not used (open)
I Reset input terminal for JTAG Not used (open)
O Data output terminal for JTAG Not used (open)
—
Power supply terminal (for JTAG) (+2.4V)
—
Ground terminal (for JTAG)
— Power supply terminal (for the microcomputer block) (+1.5V)
—
Power supply terminal (for the microcomputer I/F block) (+2.3V)
—
Ground terminal (for the microcomputer I/F block)
I Input terminal for the main test (normally fixed at "L")
Description
MZ-R909
51