JVC LT-42S90BB Service Manual page 9

Pin Pin name I/O
139 TX_DTV I
140 P4.6 I/O Not used
141 P4.7 I/O Not used
142 BL_ON O
143 LCD_POW O
144 VDD33_VIPA -
145 TV_LINK_IN I
146 TV LINK_OUT O
147 P2.4 I/O Not used
148 P2.5 I/O Not used
149 P2.6 I/O Not used
150 P2.7 I/O Not used
151 NC I
152 NC I
153 NC -
154 NC I
155 P3.0 I
156 P3.1 I
157 NC I
158 VDD33_VIPA -
159 NC I
160 NC I
161 NC I
162 VDD33_VIPA -
163 NC I
164 NC I
165 NC I
166 SDA0 I/O Data for I
167 SCL0 O
168 PFC O
169 MAIN_POWER O
170 VDD -
171 TCLK I
172 TDI I
173 TDO O
174 TMS I
175 GND -
176 GND -
177 GND -
178 GND -
179 GND -
180 GND -
181 VDD33_DAU -
182 NC -
183 NC I
184 NC I
185 NC I
186 NC -
187 NC -
188 PWM_DIM O
189 VDD25_PIP -
190 DC_DIM O
191 PCS6 O
192 PCS5 O
193 VDD25_PIP -
194 PCS4 O
195 PCS3 O
196 VDD25_PIP -
197 PCS2 O
198 PCS1 O
199 VDD25_DRAM -
200 VDD25_DRAM -
201 VDD25_DRAM -
202 VDD10_DLL -
203 VDD25_DRAM -
204 TE2+ O
205 TE2- O
206 VDD25_VOPA -
207 TD2+ O
208 TD2- O
Function
Not used
Power on/off control for back-light [ON = L]
Power on/off control for LCD drive [ON = H]
3.3V power supply
Not used
Not used
L fixed
L fixed
GND
L fixed
L fixed
L fixed
L fixed
3.3V power supply
L fixed
L fixed
L fixed
3.3V power supply
L fixed
L fixed
L fixed
2
C bus (for E2PROM)
2
Clock for I C bus (for E2PROM)
Power on/off control for PFC [ON = L]
Power on/off control for main power [ON = L]
1V power supply
Clock for JTAG interface
Data for JTAG interface
Data for JTAG interface
Control signal for JTAG interface
GND
GND
GND
GND
GND
GND
3.3V power supply
Not used
L fixed
L fixed
L fixed
Not used
Not used
PWM dimming control for back-light inverter
2.5V power supply
Not used: DC dimming control for back-light inverter
Not used
Not used
2.5V power supply
Not used
Not used
2.5V power supply
Not used
Not used
2.5V power supply
2.5V power supply
2.5V power supply
1V power supply
2.5V power supply
LVDS data for LCD panel
LVDS data for LCD panel
2.5V power supply
LVDS data for LCD panel
LVDS data for LCD panel
Pin Pin name I/O
209 GND -
210 TCLK2+ O
211 TCLK2- O
212 VDD25_VOPA -
213 TC2+ O
214 TC2- O
215 GND -
216 TB2+ O
217 TB2- O
218 VDD25_VOPA -
219 TA2+ O
220 TA2- O
221 GND -
222 GND -
223 VDD25_PLL -
224 VDD33_FLASH -
225 VDD10_PLL -
226 TE1+ O
227 TE1- O
228 VDD25_VOPA -
229 TD1+ O
230 TD1- O
231 GND -
232 TCLK1+ O
233 TCLK1- O
234 VDD25_VOPA -
235 TC1+ O
236 TC1- O
237 GND -
238 TB1+ O
239 TB1- O
240 VDD25_VOPA -
241 TA1+ O
242 TA1- O
243 VDD_CORE -
244 VSENSE I
245 VDD10 -
246 GND -
247 XTALIN I
248 XTALOUT O
249 VDD33_GPIO -
250 RESET I
251 SDA1 I/O Data for I
252 SCL1 O
253 VDD33_STDB -
254 VDD10_STDB -
255 REMOCON I
256 HM_POWER I
Function
GND
LVDS clock for LCD panel
LVDS clock for LCD panel
2.5V power supply
LVDS data for LCD panel
LVDS data for LCD panel
GND
LVDS data for LCD panel
LVDS data for LCD panel
2.5V power supply
LVDS data for LCD panel
LVDS data for LCD panel
GND
GND
2.5V power supply
3.3V power supply
1V power supply
LVDS data for LCD panel
LVDS data for LCD panel
2.5V power supply
LVDS data for LCD panel
LVDS data for LCD panel
GND
LVDS clock for LCD panel
LVDS clock for LCD panel
2.5V power supply
LVDS data for LCD panel
LVDS data for LCD panel
GND
LVDS data for LCD panel
LVDS data for LCD panel
2.5V power supply
LVDS data for LCD panel
LVDS data for LCD panel
1V power supply
Not used
1V power supply
GND
X'tal oscillation for CPU system clock
X'tal oscillation for CPU system clock
3.3V power supply
CPU reset [Reset = L]
2
C bus (for tuner/MaxxBass)
2
Clock for I C bus (for tuner/MaxxBass)
3.3V power supply
1V power supply
Remote control sensor
Power status detect for HDMI
(No.YA604<Rev.001>)1-9