Aiwa XP-ZR850, Service Manual

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23
XP-ZR850
Pin No. Pin Name I/O Description
165 TFDR O Tracking servo drive signal (+) output to the motor/coil drive
166 TRDR O Tracking servo drive signal (–) output to the motor/coil drive
167 FFDR O Focus servo drive signal (+) output to the motor/coil drive
168 FRDR O Focus servo drive signal (–) output to the motor/coil drive
169 MDP O Spindle motor servo drive signal output to the motor/coil drive
170 MDS — Not used
171 C176 O 176.4 kHz clock signal output to the motor/coil drive
172 VDIOEM0 — Power supply terminal (+2V)
173 DVDD4 — Power supply terminal (+1.3V)
174 VSS14 — Ground terminal
175 PC3/XSCS0 O Command latch signal output to the power control
176 PC2/SI0 I Serial data input from the FM/AM tuner and EEPROM
177 PC1/SO0 O Serial data output to the power control and EEPROM
178 PC0/SCK0 O Serial clock signal output to the power control and EEPROM
179 VSS15 — Ground terminal
180 VDIO5 — Power supply terminal (+2V)
181 PG7 I Cold start flag input from the power control
182, 183 PG6, PG5 — Not used
184 PG4 O Reset signal output to the liquid crystal display
185, 186 PG3, PG2 — Not used
187 PG1 O Standby signal output to the optical pick-up block
188 PG0 O RF gain-up signal output for CD-RW to the optical pick-up block
189, 190 DVDD5, DVDD6 — Power supply terminal (+1.3V)
191 VSS18 — Ground terminal
192 AVDAD — Power supply terminal (+2V)
193 AVSAD — Ground terminal
194 AN7 I CD lid open/close switch input terminal “L”: close, “H”: open
195 AN6 I Charge voltage monitor input from the power control
196 AN5 I Battery voltage monitor input terminal
197 AN4 I Wake up signal input from the power control
198 AN3 — Not used
199, 200 AN2, AN1 I Top panel key input terminal (A/D input)
201 AN0 I DCIN voltage monitor input terminal
202 WAKE I Wake up signal input terminal
203 XADEVENT O Wake up signal output to the power control
204 XRST I System reset signal input from the power control
205, 206 DVDBK0, DVDBK1 — Power supply terminal (+1.2V)
207 VSS19 — Ground terminal
208 VDIO6 — Power supply terminal (+2V)
209 PD7/INT7 — Not used
210 PD6/INT6 O Tuner clock shift signal output terminal
211 PD5/INT5 O Chip enable signal output to the FM/AM tuner
212, 213 PD4/INT4, PD3/INT3 — Not used
214 PD2/INT2/ECIN I FG signal input from the motor/coil drive
215 PD1/INT1/T1 O Beep signal output to the headphone amplifier
216 PD0/INT0/EC0 — Not used
217 PE7/XSCS1 O Command latch signal output to the liquid crystal display
218 NCS1 — Not used
219 to 237 A0, A19 to A1 — Not used