Sony STR-K790 Service Manual - Page 22

STR-K790 4-9. SCHEMATIC DIAGRAM - DIGITAL BOARD (5/5) - • See page 13 for Waveform. • See page 39 for IC Pin Function Description. 1 A B 5 C 15 16 D 7 DIGITAL BOARD (1/5) E (Page 18) 6 7 8 9 F 10 11 12 13 20 21 22 G 24 25 26 14 28 23 H 61 62 63 64 65 66 67 I 68 69 12 70 71 DIGITAL 72 BOARD (2/5) 79 J (Page 19) 77 78 76 73 74 75 46 47 K 48 49 50 13 51 DIGITAL BOARD 53 (3/5) L (Page 20) 55 2 3 DIGITAL BOARD (5/5) 4 5 6 7 8 9 10 11 12 DIGITAL BOARD 14 (4/5) (Page 21) 90 89 b9 91 92 97 99 93 94 95 96 98 a1 a2 a4 a6 a3 TUNER_CLK TUNER_DI RDS_SIG RDS_CLK RDS_DATA TUNER_DO/SD/ST V_SW3 V_SW4 C1171 0.01 C1172 0.01 C1100 0.1 C1140 0.1 R1201 22k R1035 2.2k R1112 100 R1106 100 R1083 10k R1124 100 R1059 220 R1058 220 R1039 10k R1187 10k AEP,UK US,CND R1127 100 3.3 3.3 R1094 10k IC1111 RESET IC1111 S-80929CNMC-G8ZT2G 0 1 5 2 3 4 C1137 0.01 R1095 10k C1138 0.1 FB1101 0uH C1108 0.1 R1190 10k R1189 10k C1107 0.1 C1102 0.1 C1103 47 16v R1122 100 R1123 100 R1128 100 3.3 R1111 2.2k 3.2 R1110 2.2k R1946 100 3.3 R1108 2.2k 3.3 R1107 2.2k 3.3 0 3.3 3.3 3.3 0 0 3.2 2.9 3.3 0.1 3.3 0 0 0 JL002 3.3 R1015 100 3.3 0 R1068 100 0 R1067 100 3.3 R1125 100 3.3 R1126 100 X1101 24MHz R1524 0 C1299 0.1 HDMI_S2 R1014 100 HDMI_S1 R1013 100 HDMI_OED R1012 100 HDMI_PRE R1011 100 HDMI_CTRL R1010 100 COMP_S2 R1062 100 COMP_S1 R1061 100 R1049 10k R1120 1k XMODE R1041 100 DIR_CKSEL R1042 100 DIR_CLK R1140 100 DIR_CE R1134 100 DIR_DI R1135 100 DIR_DO DIR_XSTATE JL005 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 C1604 0.1 XOA XIA COMP MUTE RSTX V_SW4 V_SW3 SLATCH D0/SD/ST BRIDGABLE_RY NC SW_RY C/REAR/SB_RY DC-CONTROL FRONT_B_RY/DG51_FA FRONT_A_RY/DG51_FB VOL_ENCODER(A) VOL_ENCODER(B) FUSE_DETECT HP_RY PROTECTOR VO ICL_DA VOL IC_CL POWER_RY ADCC_INT POWER_KEY HP_DETECT SIRCS RDS_DATA RDS_CLK MD2 81 VSS 1.3 82 X0 1.1 2 83 X1 3.3 84 VCC3 0 85 HDMI_S2 0 86 HDMI_S1 0 87 HDMI_OED 0 88 HDMI_PRE 0 89 HDMI_CTRL 0 90 COMP_S2 3.3 91 COMP_S1 0 92 BST_SEL 3.3 93 XMODE 0 94 CKSEL1 0 95 CLK 0 96 CE 0 97 DI 3.2 98 D0 3.2 99 ERROR 3.3 100 XSTATE IC1101 SYSTEM CONTROLLER IC1101 MB90F045PF-G-9033-SPE1 MD1 MD0 STOP TUNER DATA TUNER CLK VAX CTRL MODEL TUNER SD 3.3 R1635 10k 50 3.3 49 0 48 0 R1118 1k 47 0 R1117 1k 46 C1255 0 220p 45 0 C1254 220p 44 0 43 VSS VERSION A/D2 A/D1 ADCC 42 0 41 3.3 40 3.3 39 3.3 38 AVSS AVRH AVCC 37 3.3 36 3.3 35 NC 34 C1142 0.1 C1124 0.1 NC ENC_B ENC_A 33 3.3 32 3.3 31 R1175 100 R1072 3.3k DATA0 GP9 BST HCS HACN XRST PM GP12 FL_LAT PCM1609/1803_RST VSS PCM1609_ML PCM1609_MC PCM1609_MDI PCM1609_MD0 FL_CLK FL_DATA HDOUT HDIN HCLK TUNING_A TUNING_B VCC5 V_SW1 V_SW2 C LINK_DET FLASH2/C LINK_RX(MICLO) FLASH1/C LINK_TX(MOCLI) SDA SCL C1129 0.01 C1131 0.01 R1084 100 C1132 0.01 C1122 0.1 C1123 0.1 V_SW1 V_SW2 R1065 100 R1066 100 DSP_HCS R1143 100 R1144 100 0.1 0 0 3 3.1 3.3 3.3 0 3.3 3.3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3.3 0 3.3 0 3.3 0 3.3 3.3 3.3 3.2 3.2 0.2 0.2 3.3 0.1 0 0 3.3 C1121 0.1 R1947 22 R1948 R1096 100 10k C1149 220p C1495 220p C1144 C1145 0.01 0.01 R1157 0 R1156 0 DSP_GP12 R1121 100 DSP_HDIN DSP_HCLK R1161 100 R1160 100 DSP_HDOUT R1151 100 R1152 100 R1153 100 R1154 100 PCM1609/1803_RST R1076 100 13 14 15 16 17 18 a5 a7 a8 b8 a9 b1 b2 b3 b4 b5 b6 b7 IP_B IP_A TUNING_A C1605 0.1 R1636 10k C1620 0.1 C1119 0.1 R1164 0 C1118 0.1 R1194 * R1193 47k AEP,UK * R1194 2.2k:AEP,UK 0 :US,CND R1073 3.3k R1192 10k R1191 10k R1185 10k R1188 10k R1078 100 R1077 100 3.3 C1067 220p C1068 220p R1159 3.3k 8765 0 3.3 9 8 7 6 5 CL034 4 CL035 3 2 1 CNS504 9P SDA SCL MD2 MD0 RESET GND VDD FLASH 2 FLASH 1 for FLASH PROGRAMMING IC1131 BR24L16FJ-WE2 SDA SCL WCB VCC GND A2 A1 A0 C1139 0.1 1234 IC1131 EEPROM CNS502 11P 1 NC 2 NC 3 NC CL037 4 VOL IC_CLK CL036 5 VOL IC_DATA_LAT 6 VACS CTRL 7 SBR_OUT 8 SBL_OUT 9 SR_OUT 10 -7V 11 SL_OUT G MAIN BOARD (1/4) CNP502 (Page 27) STR-K790 22 22