Aiwa XP-ZR850 Service Manual page 23

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