A B C 1 2 3 4 5 FS-SD550R/FS-SD770R/FS-SD990R 2-1 Block diagram SPEAKER J3001 W3002 CN181 W1801 CN192 J8301 CN802 CN704 CN707 CN191 J1901 CN301 W3001 CN102 CN502 W8002 W8003 CN804 CN603 J5303 J5302 J5301 W3901 CN193 BL6V CD7V TU5V US5V SW10V IC108 DOOR MOTOR DRIVER IC501 FUNC / VOL AMP IC603 DIGITAL SERVO & DIGITAL SIGNAL PROCESSOR IC601 RF & SERVO AMP IC602 BTL DRIVER IC102 HP AMP CN103 CN801 CN803 W8001 BACK LIGHT HP MUTING BUCKUP RESET IC702 US6VREG SW5V CONTROL CD LED CONTROL CD LED CONTROL CD LED CD DOOR SWITCH IC701 SYSTEM CONTROL KEY SWITCH IC801 REMOCON LCD DIMMER CONTROL CN104 W5001 CN106 IC301 POWER AMP OUT1 OUT2 SIGL SIGR POUT AHBNF T1 IC101 AHB MPX FILTER KEY SWITCH CD DOOR SWITCH IC2 PLL TU1 L11 IC1 FM IF/DET/MPX AM RF/IF/DET OUT1 OUT2 US7V CN105 CN701 CN703 CN706 CN708 CN705 W8005 W8004 CLOCK CN702 CN101 CN501 M MT0 MT1 OUT1 OUT2 SW10V CD+B +B HPMUTE HPL HPR SIGL SIGR SW10V TUNERL TUNERR Lch Rch MPX AMIN IFOUT/CONT TUST,TUDATA TUCK,Vt/FM+B AMOSC AMRF FMIN J1 HOT AM FM RFIN HPL HPR HEADPHONE OUT KEY3 REM,POUT D84~87 E,RS DIMMER POUT FTU FCD MT0 MT1 MTS TUCK SAFETY BLCTL AHB SMUTE TUST MPX TUDATA LOCK POUT DIMMER KEY3 REM D84~87 ENA,RS TXDO RXDO RESET LED+B KEY1 KEY2 LOMUTE DOOR3 X1,X2 VCLK VDATA +B SW10V DOOR1 DOOR2 FAN+B DOOR1 DOOR2 LED+B CLOCK DATA CDL CDR TUNERL TUNERR SIGL SIGR SW10V KEY1 KEY2 DOOR3 E1,E2 PRI1 PRI2 OUT1 AUX OUT AUX IN S.W. OUT DOOR3 CDL,CDR RFENV, TBAL,FBAL VDET,TE,FE OFT,BDO RFDET,ARF LDON A,B,C D,E,F PD,LD F ,T SM FM CD+B TRV,TVD,ECS,ECM KICK,FOD,TRD MLD,MDATA MCLK,SUBQ SQCK,XRST STAT,REST SCD,DRMUTE PICKUP KSM-900AAH NDIP NDIP NDIP A B C D E F G 1 2 3 4 5 2-3 FS-SD550R/FS-SD770R/FS-SD990R CD servo control section Standard schematic diagrams CD signal IC603 K6051 R6028 R6026 R6040 R6024 R6025 R6016 C6003 R6005 R6006 C6015 C6016 C6019 R6007 R6009 R6012 C6020 C6023 C6017 R6001 C6203 C6005 R6045 R6042 R6041 R6047 R6044 R6043 R6046 C6083 R6201 C6051 X6051 C6052 R6059 R6008 R6048 CN606 C6061 C6053 J6001 C6154 CN603 Q6031 C6072 C6071 C6075 C6073 C6159 D6062 R6067 R6251 C6251 C6096 C6098 C6076 C6140 Q6201 R6252 IC602 IC601 C6032 R6052 R6257 C6034 C6007 R6069 R6010 C6018 C6021 C6001 C6012 C6011 C6010 C6009 C6014 C6008 C6002 R6002 R6014 Q6001 R6015 R6058 R6013 C6029 C6028 D6001 R6021 R6053 R6033 C6031 D6033 R6057 R6051 R6056 C6033 R6054 C6006 C6058 R6060 C6094 R6203 C6201 C6062 C6065 R6064 C6064 C6063 R6063 R6061 R6258 R6031 C6156 C6199 Q6500 C6055 C6157 C6158 D6500 R6032 CN605 R6072 R6066 C6099 R6049 C6022 R6071 R6500 C6089 R6050 C6091 C6092 D6031 D6061 C6202 R6068 D6063 C6080 C6081 B6001 R6202 C6090 C6097 R6205 R6204 R6146 R6145 R6253 R6254 R6256 R6255 C6252 C6253 C6254 C6030 MN662748RPMFA QQR0601-001Z 2.2K 2.2K 1K 10K 10K 91 NI 180k 270k 0.022 0.022 470P 39K 47K 8.2K 330P 0.027 0.022 6.8K NI 330P 43K 4.7k 180K 4.7K 39K 9.1K 3.9K 0.022 4.7K 12P QAX0413-001Z 15P 470 390K 2.7K QGF1006F1-16W 470P 0.022 GP1FA550TZ 100P QGF1008F1-16 2SC2060/QR/-T 0.0022 0.0022 0.001 220/10 0.1 1SS355-X 22 1K 0.1 390P 390P 0.001 NI NI 1M LA6541-X AN22000A 100/6.3 1K 0 NI 0.0022 1.5M 150K 0.0022 1500P 100/6.3 0.01 0.0022 0.027 0.1 0.22 1/50 10/16 NI 10 2SA1037AK/R/-X 12 0 120 100/6.3 0.047 1SS355-X 33 100 1K 220/10 1SR35-400A-T5 0 1K 0 10/16 1K 0.0022 6P 470 0.1 0 68P 0.47 0.15 330 0.022 0.022 120K 100K 2.7K 1K 150P 1.5 DTD123TK-X 0.047 150P 150P MTZJ8.2B-T2 1K QGA2001C1-06 1K 47 390P NI 47/6.3 1K 2.7K 0.0047 3.3K 1/50 NI MTZJ5.6C-T2 1SS355-X NI 22 1SS355-X 220/10 220/10 0 2.2K 0.0068 390P 39K 62K NI NI NI 100K 560K NI NI 0.33 NI NI B+D RFENV A+C FBAL TE TBAL E A+C ARF WVEL WVEL TE VDET E B+D TRV F F FE ECS VDET FE TBAL FBAL TRV TVD ECM ECS KICK TRD FOD KICK OFT TRD TVD ECM BDO RFDET FOD FM+ FM- F- T- T+ F+ SM+ SM- DRMUTE SCD ARF SQCK STAT CDL REST CDMG BDO RFDET OFT FM+ RFENV SUBQ CDDG T+ CDR FM- MLD MCLK MDATA MDATA MCLK SUBQ XRST SQCK XRST STAT SM+ MLD SM- AG T- F+ F- Note:/tr/s/jsc/sd550/LVS200602_GNS10002-001A 2/8 FS-SD550R/770R/990R NDIP NDIP NDIP H A B C D E F G 1 2 3 4 5 FS-SD550R/FS-SD770R/FS-SD990R FS-SD550R/FS-SD770R/FS-SD990R 2-4 Parts are safety assurance parts. When replacing those parts make sure to use the specified one. Power supply & main circuit section Tuner signal CD signal Main signal C5101 R3207 R3107 R3101 CN193 R3201 IC301 D1910 Q1915 D1914 C3101 CN104 LF311 C3201 LF321 EP191 J1901 J1901 Q1201 R1211 C1106 C1206 R1110 R1210 C1204 R1208 R1207 CN501 C1103 C1203 R1108 R1107 Q1101 R1111 R1304 C1304 R1203 R1103 IC501 J5301 J5302 C5201 C5207 C5107 C5102 C5202 C5103 C5203 R5101 R5201 C5204 C5104 C5208 C5110 C5210 C5109 C5209 R5110 R5210 C5301 R5305 R5204 R5104 RY191 C5108 CN101 LF111 C5302 R1101 R1201 LF121 CN106 K5302 R5107 R5208 R5106 R5206 R5207 R5108 Q5101 Q5201 J5303 R5103 R5304 R5109 R5209 Q5302 R5302 Q5301 R5203 J1901 S1901 D1901 D1902 C1901 LF191 R1901 C1903 C1904 C1905 C1902 C1907 C1908 Q1901 Q1902 Q1914 R1114 Q1904 R1931 R1902 R1903 R1904 Q1907 R1911 R1914 Q1903 R1913 C1912 Q1906 Q1905 Q1908 Q1909 R1935 CN105 Q1912 Q3301 R1808 R1806 Q1801 C1803 IC191 Q1301 R1310 C1307 J3001 CN103 D1301 Q1302 D1304 R1933 C1210 C1104 C1906 Q3101 Q3201 W3901 C1209 C1208 C1108 C1109 R1112 R1212 C1107 C1207 R1309 Q1102 Q1202 R1116 R1216 R1214 R1115 R1215 R1306 IC108 R1807 R1801 C1916 C1110 CN181 W1801 WR501 C3320 C5310 WR502 R1218 R1118 CN301 W3002 R3102 R3202 C3204 C3203 C3302 R3203 R3204 R3103 R3104 C3102 C3202 C3303 C3304 C3103 C1927 C3301 C3308 C3306 R3303 C3104 R3105 R3205 R3106 C3205 R3206 D3302 D3303 IC101 CN102 W3001 C1302 R1302 R1303 D1302 C1303 C1101 R1209 C1205 R1206 C1105 R1109 R1106 R1305 D1303 R1205 C1102 R1204 R1105 R1104 C1202 R5202 R5102 C5111 C5211 C5205 C1928 C5105 C3309 R1102 R1202 C1201 R1301 C5212 C5112 C3310 C5304 R5303 C5303 R5301 C1926 R1312 CN191 CN192 D1907 C1911 D1915 D1916 C1924 C1923 R1929 R1928 R1930 R1907 R1909 R1908 R1905 R1906 D1903 R1910 R1912 D1905 C1913 C1914 R1915 R1916 R1917 C1915 R1920 R1918 R1919 D1909 R1936 Q1910 C1925 C1917 C1921 D1908 R1313 D1904 Q1913 D1911 R1925 R1927 R1926 C1919 C1920 D1912 D1906 D1801 L1801 C1801 C1802 R1802 R1803 R1804 R1805 W5001 K1801 EP131 C1922 D1913 D1305 R1311 C1308 R1922 CN502 C1301 R5105 R5205 R1921 R1923 C3311 R3304 R3305 R1932 IC102 C1305 R1307 R1308 R1113 R1213 C1306 C3105 C1910 C3312 C1918 R1924 R1937 R1934 D1917 C1929 R1938 C5308 C5307 C5309 4.7/50 2.2K 2.2K 4.3k QGA2501C1-07 4.3k LA4905 6A10E2 2SC2412K/R/-X MTZJ3.9B-T2 10/35 QGF1201F3-09 QQR0797-002 10/35 QQR0797-002 QNZ0136-001Z QNC0030-001 QNC0052-001 2SD2114K/VW/-X 10K 22/35 22/35 220k 220k 0.056 4.3k 15K QGF1201F3-08 0.056 0.056 4.3k 15K 2SD2114K/VW/-X 10K 220k 1/50 10K 10K BD3861FS-X QNS0047-001 QNS0047-001 4.7/50 22/16 22/16 4.7/50 4.7/50 4.7/50 4.7/50 22K 22K 10/35 10/35 0.0033 0.15 0.15 0.15 0.15 3.3K 3.3K 100/16 1.5 1.8K 1.8K QSK0116-001 0.0033 QGF1201F3-08 QQR0590-001 47/35 1.2K 1.2K QQR0799-001 QQR0590-001 QGA2501C1-02 QQR0601-001Z 1K 2.2K 3.9K 3.9K 1K 2.2K 2SD2114K/VW/-X 2SD2114K/VW/-X QNN0198-001 3K 1K 56K 56K 2SD2114K/VW/-X 2.2K DTA114EKA-X 3K QNC0030-001 VMZ0126-003 D5SBA20-S1 D3SBA20-S1 0.1 QQR0799-001 3.3M 0.1 0.1 0.1 0.1 0.1 0.1 2SA1359/OY/ 2SC2412K/R/-X 2SA1037AK/R/-X 1K 2SA1037AK/R/-X 39 1 1 1 2SD2144S/VW/-T 470 470 2SC2412K/R/-X 2.7K 220P DTC144TKA-X DTA144TKA-X 2SA1359/OY/ 2SC2412K/R/-X 2.7K QGF1201F3-18 2SA1175/FE/-T DTA143TKA-X 470 18K 2SC2412K/R/-X 1.5 UPC78L05J-T DTA123EKA-X 1K 10/50 QNB0092-001 QGB1216J1-08S DTA123EKA-X 680 0.001 0.056 0.1 2SD2114K/VW/-X 2SD2114K/VW/-X 0.0022 150P 150P 0.0022 3.3K 3.3K 4.7/50 4.7/50 10 2SC2412K/R/-X 2SC2412K/R/-X 2.2K 2.2K 1K 560 560 56k TA8409F-W 470 470 220P 0.001 QGA2001C1-02 0.001 0.001 1 1 QGA2501F1-04 10k 10k 0.1 0.1 0.0015 2.2 2.2 2.2 2.2 0.001 0.001 # 1/50 0.1 0.01 10/16 33/16 # 10K 0.1 22K 22K 22K 0.0033 22K NJM4580D-D QGA2501C1-06 47/25 470 1K MTZJ5.1A-T2 # 0.0056 15K 47/16 3.9k 47/16 15K 3.9k 120K 2.7k 0.22 3.3K 2.7k 3.3K 0.22 68K 68K 150P 150P 10/16 0.01 10/16 1/50 5.6K 5.6K 0.0056 51K 0.001 0.001 1/50 0.001 47K 1/50 22K 0.01 470 QGA7901C1-04 QGA7901C1-02 QGA7901C1-02 QGA3901C1-04 6800/25 100/16 4.7/50 27K 1.2K 1K 1K 1K 1K 150 1K 4.7K 560 MTZJ10A-T2 0.01 47/50 8.2K 1K 1.2K 100/16 1K 15K 5.1K MTZJ6.8B-T2 150 2SC2412K/R/-X # 0.01 0.1 470 MTZJ5.6C-T2 2SC2412K/R/-X MTZJ6.8A-T2 560 10K 12K 10/16 22/25 MTZJ10A-T2 MTZJ11A-T2 DSK10C-T1 QQL25CK-221Z 10/50 100/35 15K 47K 10 10 QQR0779-001Z QNZ0136-001Z 10/25 MTZJ6.8B-T2 1K 10/50 4.7 QGA2001C1-04 10/25 47K 47K 4.7 4.7 0.047 6.8K 6.8K 330 BA15218F-W 100/35 9.1K 10K 56K 56K 47/16 0.0033 8200/25 0.047 47/25 10K 5.6K 1.5K 0.01 1K 0.01 0.01 0.01 POUT MT0 FCD LOCK MT1 MTS BLCTL SMUTE TUCK TUDATA TUST MPX SAFETY RDSCK RDSI FTU TUDATA POUT FTU FCD MT0 MT1 MTS BLCTL AHB SMUTE TUST MPX RDSI TUCK RDSCK SAFETY LOCK AHB Note:/tr/s/jsc/sd550/LVS100571_GNS10002-001A 3/8 FS-SD550R/770R/990R NDIP NDIP NDIP A B C D E F G 1 2 3 4 5 2-5 FS-SD550R/FS-SD770R/FS-SD990R System control section CD signal Q7002 Q7001 X7002 X7001 IC801 S8014 S8003 S8009 S8010 S8011 S8012 S8008 S8013 S8007 S8005 S8006 S8004 CN804 W8003 S8022 Q8101 C8101 C8201 L8101 L8201 R8101 CN802 R8203 CN704 IC702 D7008 Q8003 Q8201 R8103 R8201 R7075 R7077 R7079 R7076 R8010 Q7010 R7078 C7023 Q7011 TH701 R8006 D8001 Q7005 Q8002 R8005 R8302 K8301 J8301 R8301 R7051 R7080 Q7006 R7043 Q7004 IC701 R7020 R7021 R7022 R7023 R7024 R7025 R7026 R7027 R7028 R7030 R7032 R7034 R7036 R7037 R7040 R7074 R7047 R7049 R7054 R7055 R7056 R7058 R7060 R7062 R7063 R7064 R7065 R7066 R7067 R7068 R7069 R7070 R7072 R7073 R7048 L7002 Q7003 L7001 K7001 C7012 D7003 Q7008 Q7007 S8021 R8057 R8051 R8001 R8002 DI801 C8003 C8004 C7015 C7017 R7006 R7003 R7004 C7011 C7002 C7001 C7009 C7008 C7004 C7005 C7006 C7003 C7007 R7001 R7002 D8021 D8022 Q8001 S8001 S8002 D8031 D8032 CN702 CN701 CN703 CN705 CN706 W8004 W8005 C7014 D8025 D8035 D7010 Q7009 CN708 C7013 R8102 R8202 CN801 R8008 R8003 R8303 D8002 R8004 C7120 C7119 C7114 D7009 C7112 C8102 C8202 D7007 R7052 R7050 C7020 R7044 D7006 R7042 R7081 C7019 R7041 R7007 R7008 R7009 R7010 R7011 R7012 R7013 R7014 R7015 R7016 R7017 R7019 R7018 R7046 D7001 R7053 C7010 R7038 R7039 C7021 R7029 R7035 R7033 R7031 R7045 D7002 R7005 C7018 C7022 R8032 R8058 R8059 R8060 R8061 R8062 R8052 R8053 R8054 R8055 R8056 W8002 R8022 R8031 R8021 W8001 CN803 C8001 C8002 R8007 R7071 D7005 D7004 C7016 R7061 R7059 R7057 CN707 2SC2814/4-5/-X 2SC2814/4-5/-X QAX0410-001 QAX0401-001 GP1U271X QGA2001F1-02 QSW0851-001 2SD2114K/VW/-X 220/10 220/10 QQL231K-470Y QQL231K-470Y 22 QGB1216K1-14S 2.7K QGB1216J1-14S KIA78S06P-T 1SS133-T2 DTA114EKA-X 2SD2114K/VW/-X 2.7K 22 10K 10K 10K 100K DTC144EKA-X 10K 10/16 2SA1037AK/R/-X 10K NI SPR-39MVWF NI DTC114EKA-X 560 2.2K QQR0601-001Z QNS0162-001 2.2K 47K NI 2SC2412K/R/-X 10K 2SC2412K/R/-X UPD78F0034AGK 2.2K 1K 1K 100 1K 1K 1K 1K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 1K 10K 1K 2.2K 2.2K 10K 10K 10K 2.2K 2.2K 470 2.2K 2.2K 2.2K 2.2K 2.2K 1K 2.2K 1K 1K QQL244K-100Z DTA114TKA-X QQL244K-100Z QQR0601-001Z QEZ0229-479Z 1SS133-T2 DTA114EKA-X DTC114EKA-X QSW0851-001 100 100 1K 10K 0.022 100P 100P 2.2K 10K 10K 0.1 18P 18P 0.01 0.001 36P 22P 20P 39P 0.001 8.2K 8.2K DTC114TKA-X QGF1201F3-18 QGF1201F3-09 QGA2001F1-11 QGA2001F1-03 QGA2001F1-02 0.1 1SS355-X 2SA1037AK/R/-X QGA2001F1-02 100/16 2.2K 2.2K QGB1216K1-08S NI 330 NI 1SS133-T2 330 MTZJ8.2B-T2 0.01 0.01 MTZJ5.1C-T2 33K 100K 4.7/50 10K 1SS355-X 10K NI 2.2/50 10K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 1K 10K 2.2K 2.2K 1K 0 2.2K 1SS355-X 2.2K 100/10 10K 10K 10K 10K 2.2K 1SS355-X 330 0.01 0.01 2.7K 3.3K 5.6K 12K 39K 2.7K 3.3K 5.6K 12K 39K QGA2001C1-02 0.01 100/10 4.3K 1K 1SS133-T2 1SS133-T2 100P 10K 10K 10K QGF1201F3-06 POUT LOCK SUBQ RXD0 TXD0 SAFETY KEY2 KEY1 POUT TUCK REST STAT MCLK MDATA MLD SQCK XRST FCD FTU DIMMER DB7 DB6 DB5 DB4 ENA RS VDATA VCLK DOOR3 LOMUTE FTU FCD MT0 MT1 MTS BLCTL AHB SMUTE TUST MPX RDSDI TUDATA TUCK RDSCK SAFETY LOCK CDL AG CDR VDATA VCLK DOOR3 LOMUTE KEY1 TXD0 KEY2 RXD0 RESET RESET IC RDSCK CDR RDSDI DRMUTE TUDATA MT0 MT1 MTS BLCTL AHB SMUTE DB7 DB6 DB5 DB4 ENA RS DB7 DB6 DB5 DB4 ENA RS TUST MPX SCD REM DIMMER REM DB7 DB6 DB5 DB4 ENA RS AG CDL STAT XRST SQCK SUBQ MCLK MDATA MLD REST SCD DRMUTE Note:/tr/s/jsc/sd550/LVS200612GNS10002-001A 1/8 FS-SD550R/770R/990R NDIP NDIP NDIP H A B C D E F G 1 2 3 4 5 FS-SD550R/FS-SD770R/FS-SD990R FS-SD550R/FS-SD770R/FS-SD990R 2-6 Tuner signal TU1 C7 IC2 R69 R54 R61 R65 R43 R44 R45 R52 R66 L11 C50 R1 R55 C72 C5 C91 C63 L4 C32 R31 R2 Q8 C68 C21 C69 C67 C19 C14 C3 R12 L10 C53 R26 C55 C30 C8 C44 C61 R15 C31 Q2 R36 Q4 Q3 IC1 C62 R16 R22 C70 R57 R29 IC4 Q6 C60 R37 R30 C51 C34 R38 CF4 R23 CF1 CF2 R56 Q1 T1 R20 C65 C35 C71 C66 R60 R24 C47 C45 R25 C39 D2 C49 D1 C4 D3 C12 CF3 X1 R34 L1 C11 R13 Q7 R10 C52 C17 C80 C36 R42 C81 R48 C85 R35 C2 R39 R27 C46 R75 R74 C86 C83 C9 C84 D4 C82 X2 C1 R80 Q14 C90 R83 R82 C95 R68 R76 R84 R3 C89 R46 C20 C93 C92 C6 C13 J1 C42 C16 L12 C40 C43 C33 C37 C41 R21 L5 C15 C18 QAU0034-001 0.001 LC72136N 2.2K 4.7K 1K 2.2K 1K 1K 1K 4.7K 2.2K QQL231K-2R7Y 0.018 1K 1.8K 0.001 10/16 0.01 0.047 QQL231K-221Y 0.001 10K 82 100P 0.047 2.2/50 100P 0.0012 0.001 0.047 1K QQR0794-001 680P 15K 12P 47/16 15P 220P 12P 10K 39P 10K TA2057N 12P 10K 330 0.0039 1K 47K BU1923 100/10 4.7K 10K 4.7/50 15P 3.9k 10 QAX0420-001 QAX0421-001 3.3K QQR0793-001 330 0.001 0.001 3.3/50 150P 1K 270 0.01 10/16 47K 0.047 0.018 0.01 15P QAX0402-001 33K QQR0870-001 0.001 100K 10K 4.7/50 0.01 82P 10/16 1K 47P 1K 330P 33K 0.01 3.9k 22K 0.022 10K 3.3K 560P 0.047 0.001 2.2/50 10/16 QAX0263-001Z 0.022 2.2K 0.01 1K 1K 0.001 22K 1K 10K 56 0.001 47K 0.01 0.01 0.01 0.001 0.047 QNB0014-001 0.47/50 0.001 QQL231K-4R7Y 0.01 3.3/50 100/10 0.047 QAX0409-001 0.1/50 220K QAX0418-001 QQL231K-101Y 0.001 0.01 Note:/tr/s/jsc/sd550/LVS200295_GNS10002-001A 5/8 FS-SD550R/770R/990R_B/E/EN/EV/UB Tuner section NDIP NDIP NDIP