Sony STR-K790 Service Manual - Page 19

4-6. SCHEMATIC DIAGRAM - DIGITAL BOARD (2/5) - • See page 13 for Waveform. • See page 36 for IC Block Diagram. STR-K790 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 DIGITAL BOARD (4/5) 11 A (Page 21) DIGITAL BOARD (5/5) 12 (Page 22) 79 74 75 73 72 76 5678 69 GP10 0.3 A13 0.3 A14 0.3 A15 71 A16 70 78 77 68 67 66 65 64 63 62 61 60 59 58 IC1902 TA7809S 56 DIGITAL BOARD (2/5) B C1913 0.47 50V 16.5 1 C I IC1902 G2 +9V REG O 3 9 C1914 47 16V D TUNER_LAT E F AEP,UK G TUNER AM H FM 75 COAXIAL I TUNER AM FM 75 J COAXIAL US,CND K L CH VCC R CH GND SD CNS508 11P 1 CL017 2 CL016 3 CL018 4 CL019 5 CE 6 DI 7 CL 8 DO/SD/ST RDS INT 9 CL020 10 RDS DATA 11 L_CH CNS507 9P 1 VCC 2 R_CH 3 GND 4 NC 5 CE 6 DI 7 CLK 8 DO/SD/ST 9 TUNER_R R1261 1k C1019 0.1 R1260 1k JL001 C1120 0.1 R1253 10k C1253 220p R1943 47k L DIR_ERROR DIR_DSP_GP8 DSP_XRST DSP_A15 DSP_A14 DSP_A13 SRAM_D15 SRAM_D11 DSP_WEO SRAM_D10 SRAM_D9 R1557 220 R1555 220 R1541 220 RB1500 100 RB1507 100 IC1503 SELECTOR IC B/D IC1503 TC7WH157FU(TE12R) 0 A 1.6 B 3 VCC ST 3 Y S 1.6 GND Y 100 R1510 A17 4321 VSS DSP_CS SRAM_D14 SRAM_D13 SRAM_D12 SRAM_D8 RB1508 100 RB1503 100 FB1501 0uH IC1502 SRAM IC1502 IS61WV6416BLL-12TLI 0.2 0.2 0.3 0.3 0.3 3.2 0.1 0.1 0.1 0.1 3.3 C1520 0.1 0.1 0.1 0.1 0.1 3.3 0.2 0.2 0.2 0.2 0.2 1 A9 2 A12 3 A15 4 A14 5 A13 6 CS 7 D15 8 D14 9 D13 10 D12 11 VDD 12 VSS 13 D11 14 D10 15 D9 16 D8 17 WE 18 A11 19 A10 20 A8 21 A7 22 GND 0.2 A5 44 0.2 A6 43 0.2 A7 42 3.2 OE 41 BHL 40 BLL 39 0 D7 38 0 D6 37 0 D5 36 0 D4 35 VSS 34 C1519 0.1 3.3 VDD 33 0 D3 32 0 D2 31 0 D1 30 0 D0 29 28 0.2 A2 27 0.2 A1 26 0.2 A0 25 0.2 A6 24 GND 23 RB1504 100 RB1502 100 RB1501 100 RB1506 100 FB1502 0uH C1515 C1516 470 0.1 10V JR1002 0 C1518 0.1 C1517 470 10V DSP_PM R1150 100 C1513 0.1 C1514 0.1 R1514 10k 0.2 C1508 0.1 C1507 0.1 R1511 100 C1525 470 10V R1570 10k R1571 10k R1572 10k R1573 10k R1574 10k 0 0 2.6 0.2 0.2 0.2 0.2 3.3 0.1 0.1 0.1 0.1 0.2 0.2 0.2 3.3 3.3 3.3 3.3 3.3 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 GP9 GP8 VDDI VSS TDI TCK XTRST TMS TD0 A10 A11 A12 A9 VSS D8/GP0 D9/GP1 D10/GP2 D11/GP3 VDDE D12/GP4 D13/GP5 D14/GP6 D15/GP7 91 0.1 92 0.2 93 0.2 94 0.2 95 0.2 96 0.2 97 0 98 0 99 2.6 100 101 0 102 0 103 0 104 0 105 3.3 106 0 107 0 108 0.2 109 0.2 110 111 0.2 112 3.3 113 114 115 2.7 116 117 118 119 2.6 120 VSS A8 A7 A6 A5 A4 A3 D7 D6 VDDI VSS D5 D4 D3 D2 VDDE D1 D0 A2 A1 VSS A0 PM SDI3 SDI4 SYNC TST2 GP11 TST3 VDDI IC1905 AUDIO DSP IC1905 CXD9862R 1 C1506 0.1 2.6 VDDI 60 3.3 EXLOCK 59 MOD0 58 3.3 MOD1 57 1.6 BST 56 TST1 55 BOOT 54 C1502 0.1 PAGE0 53 PAGE1 52 VSS 51 C1505 0.1 PAGE2 50 3.3 VMD0 49 VSS 48 3.3 VMDI 47 3.3 VDDE 46 3.2 WE0 45 3.2 CS0 44 3.3 CE0 43 GP15 42 VSS 41 2.6 VDDI 40 GP14 39 C1504 0.1 GP13 38 3.3 GP12 37 3.3 HCS 36 3.3 HDOUT 35 3.2 HCLK 34 3.2 HDIN 33 1.4 HACN 32 R1509 100 R1508 100 VSS 31 SD04 SD03 SD02 SD01 KFSI0 VSS BCK0 LRCK0 SDI1 BCKI1 VDDE LRCKI1 SCKOUT MCLK2 MS VDDI VSS MCLK1 VSS PLOCK BCKI3 EXTIN 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 SPDIF 1.6 LRCKI2 1.6 BCKI2 1.6 SDI2 LRCKI3 2.6 VDDI VSS 3.3 XRST 1.7 1.7 1.7 1.7 1.6 1.6 1.8 1.6 3.3 1.7 1.7 0 1.6 2.6 1.6 R1513 10k C1509 C1510 0.1 0.1 C1511 0.1 R1501 100 R1512 10k C1501 C1521 27p R1515 1M 0.1 C1522 27p X1502 13.9MHz C1503 0.1 R1523 220 PCM1609_LRCK DSP_HACN No mark:FM 45 44 41 40 39 37 36 35 34 33 32 31 30 43 27 29 38 3 4 1 M 8 DIGITAL BOARD (1/5) (Page 18) 10 DIGITAL BOARD (3/5) (Page 20) STR-K790 19 19