Sony STR-DB1070 Service Manual - Page 19

5-6. SCHEMATIC DIAGRAM - DIGITAL Board (5/5) - • See page 38 for IC Block Diagrams. (Page 17) STR-DB870/DB1070 (Page 15) 1I N2 N3 N4 N5 2I 3I 4I 5I 6I 7I 8I 9I 10I 11I 1D 2D 1G 2G 3G 4G 5G 6G (Page 16) 1J 2J 3J (Page 18) 4J 5J 6J 7J 8J 9J FB1201 21A R1204 10k N1 O1 C1201 330 25V C1202 0.1 O2 O3 R1202 100 O4 R1203 100 R1201 100 (DB1070) C1214 4700p R1212 100 C1205 10 50V C1206 0.1 C1212 0.1 C1208 10 50V J1 R1280 8.2k IC1202 PCM1748 D/A CONVERTER D/A CONVERTER IC1201 PCM1604Y/2K C1210 0.1 R1220 8.2k R1230 8.2k C1211 0.1 C1207 10 50V J7 J6 C1213 10 50V R1701 10k R1798 10k R1240 8.2k R1250 8.2k R1260 8.2k R1270 8.2k C1203 0.1 * C1811,1815 1000 16V (DB870/EXCEPT DB1070: AEP, UK) 1000 63V (DB1070:AEP, UK) J2 J3 J4 J5 C1204 220 16V FB1202 21A IC1808 7805 O I G +5V REGULATOR Q1813,1814 D POWER SWITCH Q1813 2SB733 R1807 680 R1808 10k D1703 1SS184 Q1705 2SC2712-YG C1702 220p Q1703 RT1N141C-T Q1703-1705 MUTING SWITCH Q1704 2SC2712-YG R1797 10k R1795 10k C1815 * +3.3V REGULATOR IC1806 2933 O I G C1811 * Q1814 RT1N141C D1803 1SR154 +2.5V REGULATOR IC1805 NJM2391-26 OI G Q1810 2SD1733 B+ SWITCH C1809 470 16V +5V REGULATOR IC1807 7805 C1812 4700 6.3V O I G Q1811,1812 D POWER SWITCH Q1811 2SB733 R1805 680 R1806 10k Q1812 RT1N141C 19 19 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 CN1108 3P -5V D.GND 8V CN1102 21P DATA CLK FUNC-LAT SB-RY PRE-RY 2ND-RY C-RY REAR-RY W-FR-RY HP-RY SP-FR-RY HP-CONT CD-RY PROTECTOR AC-MUTE VOL-LAT S-MUTE GND GND -15V +15V (Page 37) (Page 29) CN1109 2P (Page 29)