Sharp LC32SB27U Service Manual - Page 81
Main3 Amp If, 3/14]
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MAIN Unit-3 (LC-32SB27U) TO MAIN13(POWER) UR13V J A9V A5V D3.3V TO MAIN8(CPU) AMP_PROTECT AMP_STANDBY_N I AMP_MUTE LINE_MUTE HDMI_MUTE H SW_MUTE LR_MUTE OPT_MUTE G TO MAIN13(POWER) AC_DET TO MAIN7(UCOM) MUTE_A_ALL TO MAIN8(CPU) OPT_OUT F TO MAIN14(SP_IF) R1324 4.7K R1303 47K Q1305 KRC404E 5.0 0.0 0.0 R1372 47K R1306 47K R1307 47K R1322 47K R1305 47K *R1370 0 E D C B A 1 TO MAIN8(CPU) SPOUT_L SPOUT_R TO MAIN8(CPU) LINE_MCLK LINE_BCLK LINE_DATA LINE_LRCLK N_LINE_DAC_RST 2 3 R1361 0 R1362 0 R1317 100 R1318 100 R1329 220K R1330 220K Q1306 IMH23T110 R1308 2.2K R1341 15K C1303 10u 16V KZA510WJPZ BUFFER Q1307 KTA1504SG 0.7 0.7 R1314 47K 0.2 R1315 10K 4 5 6 3 2 1 C1301 0.1u 10V 8 7 6 5 4 3 2 1 IC1301 AK4341ED 2Vrms Audio DAC for SW PREOUT MCLK GAIN BICK VCOM SDTI LRCK VDD VSS PDN HVDD SMUTE AOUTL ACKS AOUTR DIF DEM 9 10 11 12 13 14 15 16 C1302 10u CKZ C1304 0.1u C1305 0.1u CZF C1315 10u CKZ C1316 10u CKZ GND_B 4 5 6 7 8 MAIN3 (AMP IF) R1335 5.6K 0.0 0.7 0.0 Q1309 KTC3875SG R1337 10K D1311 EXA523WJ 5.6V R1338 3.3K C1314 10u 25V KZA098WJ *R1333 22K *Q1312 KRC404E *IC1304 AHC1G08W SPDIF BUFFER &SPDIF MUTE *C1310 0.1u 25V 4.9 B 1 VCC 5.0 5 2.1 A 2 3 0.0 GND 4 Y 2.0 *R1311 22 D1313 KDS4148 VHD D1305 1SS361 1 3 2 D1302 1SS361 1 3 2 D1304 1SS361 1 3 2 *D1314 1SS361 1 3 2 Q1304 KRC404E 0.0 2.9 0.0 R1323 10K D1312 1SS361 1 3 2 D1307 1SS361 1 3 2 *D1310 1SS361 1 3 2 LC-32D47U/LC-32SB27U/LC-C3237U [3/14] MAIN UNIT 3/14 DUNTKF030WE (PWBXF030WJ) TO MAIN4(AMP) PROTECT_N AMP_STANDBY_N AMP_MUTE_D 4 5 123 *L1301 10uH CEM *C1311 10u 16V KZA510WJPZ *C1312 0.1u 25V *D1306 GPFSV51M OPTICAL OUTPUT TO MAIN4(AMP) SP_L SP_R TO MAIN2(A_TERM) 3 4 Q1301 RN4983 R1302 47K 2 5 1 6 9 10 11 10 - 7 12 C1306 1u 16V R1310 1K C1307 1u 16V R1334 1K R1340 560K R1339 2.2K R1342 560K BUFFER Q1310 KTA1504SG 0.7 0.7 R1345 15K C1309 10u 16V KZA510WJPZ R1343 47K 0.2 R1344 10K 4 5 6 3 2 1 Q1311 IMH23T110 13 14 15 TO MAIN2(A_TERM) LINE_OUT_L LINE_OUT_R 16 17 18 19
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