JVC LT-42R90BU Service Manual

(No.YA596<Rev.001>)1-9
139 TX_DTV I Data communication for digital tuner
140 P4.6 I/O Not used
141 P4.7 I/O Not used
142 BL_ON O
Power on/off control for back-light [ON = L]
143 LCD_POW O Power on/off control for LCD drive [ON = H]
144 VDD33_VIPA - 3.3V power supply
145 TV_LINK_IN I Data for T-V LINK
146 TV LINK_OUT O Data for T-V LINK
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 L fixed
152 NC I L fixed
153 NC - GND
154 NC I L fixed
155 P3.0 I L fixed
156 P3.1 I L fixed
157 NC I L fixed
158 VDD33_VIPA - 3.3V power supply
159 NC I L fixed
160 NC I L fixed
161 NC I L fixed
162 VDD33_VIPA - 3.3V power supply
163 NC I L fixed
164 NC I L fixed
165 NC I L fixed
166 SDA0 I/O Data for I
2
C bus (for E2PROM)
167 SCL0 O Clock for I
2
C bus (for E2PROM)
168 PFC O Power on/off control for PFC [ON = L]
169 MAIN_POWER O
Power on/off control for main power [ON = L]
170 VDD - 1V power supply
171 TCLK I Clock for JTAG interface
172 TDI I Data for JTAG interface
173 TDO O Data for JTAG interface
174 TMS I Control signal for JTAG interface
175 GND - GND
176 GND - GND
177 GND - GND
178 GND - GND
179 GND - GND
180 GND - GND
181 VDD33_DAU - 3.3V power supply
182 NC - Not used
183 NC I L fixed
184 NC I L fixed
185 NC I L fixed
186 NC - Not used
187 NC - Not used
188 PWM_DIM O
Not used : PWM dimming control for back-light inverter
189 VDD25_PIP - 2.5V power supply
190 DC_DIM O
DC dimming control for back-light inverter
191 PCS6 O Not used
192 PCS5 O Not used
193 VDD25_PIP - 2.5V power supply
194 PCS4 O Not used
195 PCS3 O Not used
196 VDD25_PIP - 2.5V power supply
197 PCS2 O Not used
198 PCS1 O Not used
199 VDD25_DRAM - 2.5V power supply
200 VDD25_DRAM - 2.5V power supply
201 VDD25_DRAM - 2.5V power supply
202 VDD10_DLL - 1V power supply
203 VDD25_DRAM - 2.5V power supply
204 TE2+ O LVDS data for LCD panel
205 TE2- O LVDS data for LCD panel
206 VDD25_VOPA - 2.5V power supply
207 TD2+ O LVDS data for LCD panel
208 TD2- O LVDS data for LCD panel
Pin Pin name I/O Function
209 GND - GND
210 TCLK2+ O LVDS clock for LCD panel
211 TCLK2- O LVDS clock for LCD panel
212 VDD25_VOPA - 2.5V power supply
213 TC2+ O LVDS data for LCD panel
214 TC2- O LVDS data for LCD panel
215 GND - GND
216 TB2+ O LVDS data for LCD panel
217 TB2- O LVDS data for LCD panel
218 VDD25_VOPA - 2.5V power supply
219 TA2+ O LVDS data for LCD panel
220 TA2- O LVDS data for LCD panel
221 GND - GND
222 GND - GND
223 VDD25_PLL - 2.5V power supply
224 VDD33_FLASH - 3.3V power supply
225 VDD10_PLL - 1V power supply
226 TE1+ O LVDS data for LCD panel
227 TE1- O LVDS data for LCD panel
228 VDD25_VOPA - 2.5V power supply
229 TD1+ O LVDS data for LCD panel
230 TD1- O LVDS data for LCD panel
231 GND - GND
232 TCLK1+ O LVDS clock for LCD panel
233 TCLK1- O LVDS clock for LCD panel
234 VDD25_VOPA - 2.5V power supply
235 TC1+ O LVDS data for LCD panel
236 TC1- O LVDS data for LCD panel
237 GND - GND
238 TB1+ O LVDS data for LCD panel
239 TB1- O LVDS data for LCD panel
240 VDD25_VOPA - 2.5V power supply
241 TA1+ O LVDS data for LCD panel
242 TA1- O LVDS data for LCD panel
243 VDD_CORE - 1V power supply
244 VSENSE I Not used
245 VDD10 - 1V power supply
246 GND - GND
247 XTALIN I X'tal oscillation for CPU system clock
248 XTALOUT O X'tal oscillation for CPU system clock
249 VDD33_GPIO - 3.3V power supply
250 RESET I CPU reset [Reset = L]
251 SDA1 I/O Data for I
2
C bus (for tuner/MaxxBass)
252 SCL1 O
Clock for I
2
C bus (for tuner/MaxxBass)
253 VDD33_STDB - 3.3V power supply
254 VDD10_STDB - 1V power supply
255 REMOCON I Remote control sensor input
256 HM_POWER I Power status detect for HDMI
Pin Pin name I/O Function

JVC LT-42R90BU Specifications

General

Brand	JVC
Model	LT-42R90BU
Category	LCD TV
Language	English