Sharp LC-15PX1U, Service Manual

Page: 19 / 104

LC-15PX1U
19
Main Side
IC (connector) Pin No. Terminal name Signal name Types of signals Explanation for signals I/O
name
P701 9 3.3V (SUB) B3.3V2A Power supply Power supply 3.3V for DM270
(NA215WJ)
VPC 57 VS VPC_VS V signal from VPC to DM270 O
(Video decoder) 56 MSY/HS VPC_HS H signal from VPC to DM270 O
IC8801 27 LLC2 LLC2 Clock signal from VPC to DM270 O
40 Y0 VPC_YIN0 Data signal 0 from VPC to DM270 O
39 Y1 VPC_YIN1 Data signal 1 from VPC to DM270 O
38 Y2 VPC_YIN2 Video input/output Data signal 2 from VPC to DM270 O
37 Y3 VPC_YIN3 Data signal 3 from VPC to DM270 O
34 Y4 VPC_YIN4 Data signal 4 from VPC to DM270 O
33 Y5 VPC_YIN5 Data signal 5 from VPC to DM270 O
32 Y6 VPC_YIN6 Data signal 6 from VPC to DM270 O
31 Y7 VPC_YIN7 Data signal 7 from VPC to DM270 O
TV 83 CARDRST RESET Data communication, Reset signal from TV microprocessor to DM270 O
microprocessor 35 SUB_DOUT DOUT Reset Data signal from TV microprocessor to DM270 O
(IC2201) 36 SUB_DIN DIN Data signal from DM270 to TV microprocessor I
I/P conversion 207 VS_P2 VD_VS V signal from DM270 to IP I
IC 208 HS_P2 VD_HS H signal from DM270 to IP I
195 IN_CLK_P2 VD_CKO Clock signal from DM270 to IP I
196 P2_0 VPC_0 Data signal 0 from DM270 to IP I
199 P2_1 VPC_1 Data signal 1 from DM270 to IP I
200 P2_2 VPC_2 Video input/output Data signal 2 from DM270 to IP I
201 P2_3 VPC_3 Data signal 3 from DM270 to IP I
202 P2_4 VPC_4 Data signal 4 from DM270 to IP I
203 P2_5 VPC_5 Data signal 5 from DM270 to IP I
204 P2_6 VPC_6 Data signal 6 from DM270 to IP I
205 P2_7 VPC_7 Data signal 7 from DM270 to IP I
MSP 5 I2S_WS S_WS I2S word strobe L: Right audio input / H: Left audio input O
(Audio processor)
4 I2S_CL S_CL Clock for I2S serial data transmission timing O
6 I2SDA_OUT S_DO Audio input/output Audio data input from TV main unit O
7 I2SDA_IN1 S_DI In card mode: Card Audio / Not in card mode: Shutter sound I
Abolished
DC/DC
converter B4V/6V1_1A B4V/6V1_1A Power supply 4V/6V output from DC/DC converter to Reg O
IC704, 707 B4V/6V2_1A B4V/6V2_1A