Service manual

68
HCD-GNZ55D
Pin No. Pin Name I/O Pin Description
119 DVSS — Ground pin
120, 121 RD 4, 3 I Data bus 4, 3 from SD-RAM
122 DVDD18 — Power Supply pin (+1.8 V)
123 to 125 RD 2 to 0 I Data bus 2 to 0 from SD-RAM
126 RD15 I Data bus 15 from SD-RAM
127 DVDD3 — Power Supply pin (+3.3 V)
128 RD 14 I Data bus 14 from SD-RAM
129 to 133 RD 13 to 9 I Data bus 13 to 9 from SD-RAM
134 DVSS — Ground pin
135 RD8 I Data bus 8 from SD-RAM
136 GPI0 — Not used in this set. (Open)
137 DQM1 O DQM1 signal output to SD-RAM
138 RWE O WE signal output to SD-RAM
139 CAS O CAS signal output to SD-RAM
140 RAS O RAS signal output to SD-RAM
141 DVDD3 — Power Supply pin (+3.3 V)
142 RCS O RCS signal output to SD-RAM
143 BA0 O BA0 signal output to SD-RAM
144 DVSS — Ground pin
145 BA1 O BA1 signal output to SD-RAM
146 RA10 O Address bus 10 output to SD-RAM
147 RA0 O Address bus 0 output to SD-RAM
148 DVSS — Ground pin
149 to 151 RA 1 to 3 O Address bus 1 to 3 output to SD-RAM
152 DVDD18 — Power Supply pin (+1.8 V)
153 NC — Not used. (Open)
154 NC — Not used. (Open)
155 DVDD3 — Power Supply pin (+3.3 V)
156 RCLK O CLK signal output to SD-RAM
157 CKE O CKE signal output to SD-RAM
158 to 160 RA 11 to 8 O Address bus 11 to 8 output to SD-RAM
161 DVSS — Ground pin
162 RA7 O Address bus 7 output to SD-RAM
163 DVSS — Ground pin
164 to 166 RA 6 to 4 O Address bus 6 to 4 output to SD-RAM
167 DVDD3 — Power Supply pin (+3.3 V)
168 DISC/X — Not used in this set. (Open)
169 RGB O RGB control signal output Not used in this set. (Open)
170 TSD M O TSDM signal output
171 NC — Not used in this set. (Open)
172 NC — Not used in this set. (Open)
173 DVDD18 — Power Supply pin (+1.8 V)
174 FWD — Not used in this set. (Open)
175 NC — Not used. (Open)
176 LIMSW O LIMSW signal output to Optical pick-up
177 OCSW I SEN signal input from System Controller/OCSW signal input Not used. (Open)
178 REW — Not used in this set. (Open)
179 CKSW I CKSW signal input Not used in this set. (Open)
180 NC — Not used in this set. (Open)
181 NC — Not used in this set. (Open)
182 DVDD3 — Power Supply pin (+3.3 V)
183 NC — Not used in this set. (Open)
184 NC — Not used in this set. (Open)