Sony KE-50XBR900 Service Manual - Page 41
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4-1-2. MEDIA RECEIVER UNIT (MBT-XBR900) S171-176 H3(KEY) CN171 4 3 2 1 KEY1 KEY-WAKE GND GND CN107 1 2 3 4 D171 S191 POWER CN191 1 2 3 4 5 6 P-SW(+) P-SW(-) P-ON E E STBY+5V CN106 6 5 4 3 2 1 H4(POWER SW) A TO A BOARD CN6203 CN105 SCL 1 SDA 2 SDT5V 3 STBY5V 4 GND 5 P-ON 6 P-SW(-) 7 P-SW(+) 8 GND 9 GND 10 5V D126,D127 Q117-124 LED SW CN101 1 KEY1 2 KEY_WAKE 3 GND 4 NC 5 NC 6 NC 7 P_LED 8 STBY_LED 9 TIMER LED B TO ABOARD CN6204 MEMORY STIK CN1401 MS-BS 2 VCC 3 MS-SDIO 4 MS-INS 6 MS-SCLK 8 VCC 9 IC101 LED DRIVE A02 2 20 SCL 21 SDA A03 3 A04 4 DA5 5 DA6 6 DA7 7 DA8 8 DA9 9 DA10 10 Q101-108 5V LED DRIVE D101-108 H1(LED) IC1401 LVDS RECEIVER 3 BS IC1403 BUS SW 2 A DE 1 DO 4 11 CK 5 DE 13 DO BS- 1 L401 BS+ 2 DIR- 6 L402 DIR+ 7 CK- 9 L403 CK+ 10 DO+ 14 L404 DO- 15 IC1402 LVDS DRV 2 DI1 DI- 7 DI+ 8 CN1402 +3.3V 3 3.3VD 5 MS BS+ 6 MS BS- 7 MS SDIR+ 8 MS SDIR- 9 MS SCLK+ 10 MS SCLK- 11 MS SDO+ 12 MS SDO- 13 MS SDI+ 14 MS SDI- 15 MS INS VCC SW Q1403 LED DRIVE Q1401,1402 3.3V D1409 MS2 (MEMORY STICK) I TO IFA BOARD CN8005 S VIDEO J40 34 12 VIDEO IN2 VIDEO L AUDIO R CN43 1 2 3 4 5 6 7 8 9 10 11 12 13 V2-SW V2-S2 GND V2-C GND V2-Y GND V2-V GND V2-L GND V2-R GND H2 (VIDEO2 INPUT, VOLUME CONTROL) F TO AD BOARD CN4001 J9405 S VIDEO 34 12 MONITOR OUT VIDEO L AUDIO R U2 (MONITOR OUT) CN9406 1 M-V 2 GND 3 M-Y 4 GND 5 M-C 6 GND 7 M-L 8 GND 9 M-R 10 GND E TO AD BOARD CN4301 KE-50XBR900(UC) 4-6
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