Sony STR-DB1070 Service Manual
Sony STR-DB1070 - Fm Stereo/fm-am Receiver Manual
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- Sony STR-DB1070 | Service Manual - Page 1
STR-DB870/DB1070 SERVICE MANUAL Ver 1.0 2001.04 US Model E Model Chinese Model STR-DB1070 Canadian Model AEP Model UK Model STR-DB870/DB1070 Photo: STR-DB870 This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround System. * Manufactured under license from - Sony STR-DB1070 | Service Manual - Page 2
16.0 kg Supplied accessories FM wire antenna (1) AM loop antenna (1) • Models of area code U, CA Audio/video/control S connecting cord (1) Control S connecting cord (1) • STR-DB1070 only • Models of area code U, CA Remote commander RM-PP505L (1) R6 (size-AA) batteries (2) • Models of other area - Sony STR-DB1070 | Service Manual - Page 3
service problem accurate low- DB1070 SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL - Sony STR-DB1070 | Service Manual - Page 4
STR-DB870/DB1070 TABLE OF CONTENTS 1. SERVICING NOTES 5 2. GENERAL 6 3. DISASSEMBLY 3-1. Disassembly Flow 8 3-2. Case 9 3-3. S-VIDEO board, VIDEO Board, Tuner 9 3-4. VIDEO AU Board 10 3-5. DIGITAL Board 10 3-6. MAIN Board 11 4. TEST MODE 12 5. DIAGRAMS 5-1. Note for Printed Wiring Boards - Sony STR-DB1070 | Service Manual - Page 5
- Rear Panel - SECTION 1 SERVICING NOTES STR-DB870/DB1070 Model DB1070 : US model DB1070 : Canadian model DB1070 : Malaysia and Singapore models DB1070 : Chinese model DB1070 : AEP and UK models DB1070 : 120 V AC area and 240 V AC area in E models DB1070 : Taiwan model DB1070 : Korean model DB870 - Sony STR-DB1070 | Service Manual - Page 6
STR-DB870/DB1070 LOCATION OF CONTROLS - Front Panel - SECTION 2 GENERAL 1 2 3 45678 9 0 qa qsqdqf qg qh qj qk ql This section is extracted from instruction manual. w; •• rg rf rd rs ra r; ekej eg es e; wk wj whwg wf wd wswa el eh efedea wl 2CH qg (30) 2ND ROOM (STR-DB1070 only) eg (27) 6.1CH - Sony STR-DB1070 | Service Manual - Page 7
ANTENNA terminal 3 CONTROL A1 II jack 4 MONITOR jack 5 TV/SAT jack 6 DVD/LD jack 7 VIDEO 2 jack 8 VIDEO 1 jack 9 COMPONENT VIDEO jack (US and Canadian models) 0 SPEAKER terminal qa PRE OUT jack qs IMPEDANCE SELECTOR switch qd MULTI CH IN jack (STR-DB870) MULTI CH IN 2 jack (STR-DB1070) qf MULTI CH - Sony STR-DB1070 | Service Manual - Page 8
STR-DB870/DB1070 • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW SECTION 3 DISASSEMBLY SET 3-2. CASE (Page 9) 3-3. S-VIDEO BOARD, VIDEO BOARD, TUNER (Page 9) 3-4. VIDEO AU BOARD (Page 10) 3-5. DIGITAL BOARD (Page 10) 3-6. MAIN BOARD (Page 11) 8 - Sony STR-DB1070 | Service Manual - Page 9
Follow the disassembly procedure in the numerical order given. 3-2. CASE 1 two screws (flat head) 1 two screws (flat head) 3 case assy 2 STR-DB870/DB1070 1 two screws (flat head) 2 1 two screws (flat head) 3-3. S-VIDEO BOARD, VIDEO BOARD, TUNER 1 connector (CN753) 4 S-VIDEO board, VIDEO board - Sony STR-DB1070 | Service Manual - Page 10
STR-DB870/DB1070 3-4. VIDEO AU BOARD 1 wire (flat type) (9 core) (CN201) 3 VIDEO AU board 2 two screws (BV/RING) 3-5. DIGITAL BOARD 2 connector (CN1106) 2 connector (CN1107) 3 two screws (BVTP3 × 8) 2 connector ( - Sony STR-DB1070 | Service Manual - Page 11
STR-DB870/DB1070 3-6. MAIN BOARD 1 connector (CN804) 1 connector (CN805) 4 screw (BVTP3 × 8) 3 two screws (BVTP3 × 8) 1 connector (CN802) 1 connector (CN803) 4 screw (BVTP3 × 8) 3 two screws (BVTP3 × 8) 5 2 five screws (BV/RING) 6 five - Sony STR-DB1070 | Service Manual - Page 12
STR-DB870/DB1070 SECTION 4 TEST MODE Factory Set Mode All preset contents are reset to the default setting. Procedure: While pressing the [SET UP] and [DIMMER] buttons, press the I/1 button to turn on the main power. The message "TUNER FACTORY PRESET" appears and the present contents are reset to - Sony STR-DB1070 | Service Manual - Page 13
SECTION 5 DIAGRAMS STR-DB870/DB1070 5-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board: • X : parts extracted from the component side. • Y : parts extracted from the conductor side. • : - Sony STR-DB1070 | Service Manual - Page 14
STR-DB870/DB1070 • Circuit Boards Location DC2 board POWER board SP board VIDEO board S-VIDEO board H.P board VIDEO 3 board SW board MUTING board BIAS board DIGITAL board AC - Sony STR-DB1070 | Service Manual - Page 15
DB1070) (DB870) MD/TAPE OPTICAL OUT MD/DAT OPTICAL OUT (DB1070 CN1104 21P (US,CND) 15P (DB1070:AEP,UK,E,CH) 11P (DB870 OSD_CLK V-SYNC DB870:CND /DB1070 P/N GND_A1 CTRL A1 V_SW1 OPTICAL RECEIVER IC1401 RECEIVER IC1402 TORX178 DIGITAL OPTICAL RECEIVER INTERFACE RECEIVER IC1408 STR-DB870/DB1070 L1 - Sony STR-DB1070 | Service Manual - Page 16
STR-DB870/DB1070 5-3. SCHEMATIC DIAGRAM - DIGITAL Board (2/5) - • See page 38 for Waveform. E10 E9 E8 E7 E6 E5 E4 E3 E2 E1 E19 E18 E17 E16 E15 E14 - Sony STR-DB1070 | Service Manual - Page 17
38 for Waveform. STR-DB870/DB1070 1E 2E 3E 4E A7 N5 IC1701 BR24C16 C1701 0.1 EEPROM C1 L1 R1799 10k RESET SIGNAL GENERATOR R1736 100k Q1702 2SC2712-YG BUFFER C1706 0.1 R1754 10k C1709 0.1 R1814 220 R1812 220 SYSTEM CONTROLLER IC1703 MB91154PMT2 -G-102-E1 R1771 10k R1756 10k C1708 - Sony STR-DB1070 | Service Manual - Page 18
STR-DB870/DB1070 5-5. SCHEMATIC DIAGRAM - DIGITAL Board (4/5) - • See page 38 for Waveform. • See page FB1102 21A C1112 0.1 R1134 100k C1115 100p C1113 0.1 K1 K2 C1131 22 50V K3 K4 K5 (DB1070) J2 J1 LINE AMP IC1281 M5218AFP VEE VCC C1281 22 50V C1282 1800p C1272 1800p C1271 22 50V - Sony STR-DB1070 | Service Manual - Page 19
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 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) - Sony STR-DB1070 | Service Manual - Page 20
STR-DB870/DB1070 5-7. PRINTED WIRING BOARD - DIGITAL Board (Component Side) - • See page 14 for Circuit R1651 R1710 R1709 R1707 R1711 R1715 R1714 R1708 D1701 R1717 R1743 IC1703 R1770 R1769 (DB1070) R1772 R1775 R1774 R1777 R1779 R1776 R1778 R1780 R1810 C1414 R1436 IC1407 IC1410 - Sony STR-DB1070 | Service Manual - Page 21
STR-DB870/DB1070 5-8. PRINTED WIRING BOARD - DIGITAL Board (Conductor Side) - • See page 14 for Circuit Boards Location. 1 2 3 4 R1281 R1282 C1109 C1106 C1110 C1283 R1283 C1107 C1104 C1103 C1274 2 1 C1284 (DB1070) C1115 C1131 C1114 C1121 C1404 IC1403 IC1404 C1405 C1406 3 1 3 1 R1401 - Sony STR-DB1070 | Service Manual - Page 22
STR-DB870/DB1070 5-9. PRINTED WIRING BOARD - VIDEO Board - • See page 14 for Circuit Boards Location. • Semiconductor IC312 C-2 Q302 C-5 B Q304 E-8 Q305 E-7 C D E F 1 2 VIDEO BOARD J302 J303 CONTROL A1 II MONITOR OUT VIDEO 3 TV/SAT IN VIDEO J305 DVD/LD IN VIDEO 4 5 6 7 8 - Sony STR-DB1070 | Service Manual - Page 23
See page 38 for IC Block Diagrams. STR-DB870/DB1070 CN306 4P C318 1 50V C315 470 10V C314 470 10V (DB1070) R320 1k R321 1k R322 1k R329 10 IC306 74HC00 R332 100 R318 75 2 3 1 FL301 R323 75 (DB1070:AEP,UK,E,CH) J303 CONTROL A1 II (CHASSIS) E4 J302 1P MONITOR OUT VIDEO TV/SAT IN - Sony STR-DB1070 | Service Manual - Page 24
STR-DB870/DB1070 5-11. PRINTED WIRING BOARDS - S-VIDEO/VIDEO AU Boards - • See page 14 for Circuit JW750 JW751 R773 E R774 JW42 JW704 JW703 JW702 JW701 JW700 JW71 JW70 JW708 JW707 JW43 JW28 (DB870: CND/DB1070) CN751 (US, CND) 4 1 11 CN753 D 1-681-195- (11) H VIDEO BOARD CN301 (Page - Sony STR-DB1070 | Service Manual - Page 25
STR-DB870/DB1070 J753 MONITOR CTRL S IN J754 TV/SAT CTRL S STATUS IN J755 DVD/LD CTRL S OUT J756 VIDEO 1 CTRL S OUT (US,CND) (CHASSIS) J751 Y MONITOR S-VIDEO OUT C TV/SAT Y S-VIDEO IN C J750 DVD/LD Y S-VIDEO IN C R750 1k C768 470p C765 470p GND R751 1k R752 1k CONTROL TV/DBS - Sony STR-DB1070 | Service Manual - Page 26
STR-DB870/DB1070 5-13. PRINTED WIRING BOARD - MAIN Board - • See page 14 for Circuit Boards MULTI CH IN (DB870) MULTI CH IN 2 (DB1070) SURROUND R L SUB WOOFER CENTER (DB1070) FRONT R L MULTI CH IN 1 J304 SURROUND R L SURROUND BACK CENTER J307 SUB WOOFER PHONO IN R L J301 CD/SACD - Sony STR-DB1070 | Service Manual - Page 27
STR-DB870/DB1070 (Page 18) CN807 21P TUNER-L GND TUNER-R GND FRONT-L GND FRONT-R GND SL GND SR GND C GND DB9-SB/DB8-W GND DB9-W/DB8-NC GND SOURCE-R GND SOURCE-L (DB870) MULTI CH IN MULTI CH IN 2 (DB1070) FRONT (CHASSIS) J305 6P L R L SURROUND R CENTER 22 50V ELECTRICAL VOLUME IC401 TC94A07P - Sony STR-DB1070 | Service Manual - Page 28
STR-DB870/DB1070 5-15. SCHEMATIC DIAGRAM - MAIN Board (2/3) - • See page 38 for IC 2P C557 100p C507 100p (CHASSIS) (CHASSIS) R SURROUND L CENTER TM501 SPEAKERS IMPEDANCE USE 4-6Ω SURROUND BACK (CHASSIS) (CHASSIS) GP801 GND PLEATE C657 100p (DB1070) C607 100p CN803 4P R GND GND L (Page - Sony STR-DB1070 | Service Manual - Page 29
Board (3/3) - • See page 38 for IC Block Diagrams. (Page 27) STR-DB870/DB1070 (Page 28) 1B 2B 3B 4B 5B 6B 7B 8B 9B 10B 11B R337 4.7k C174 22 50V (DB1070) I1 I2 I3 R850 1k CN808 2P (Page 19) CN806 21P +15V -15V GND GND S-MUTE VOL-LAT AC-MUTE H1 PROTECTOR CD-RY H2 HP-CONT SP-FR - Sony STR-DB1070 | Service Manual - Page 30
STR-DB870/DB1070 5-17. PRINTED WIRING BOARD - BIAS Board - • See page 14 for Circuit Boards Location. 1 R674 C666 R805 JW105 Q805 D807 R807 JW104 Q801 R619 R618 E Q605 Q604 E C613 R615 D655 (DB1070) Q656 E R677 R616 JW106 JW107 E Q803 R819 C805 D817 E Q802 Q654 E R863 JW103 Q804 - Sony STR-DB1070 | Service Manual - Page 31
5-18. SCHEMATIC DIAGRAM - BIAS Board - STR-DB870/DB1070 R691 1k R690 4.7k D808 1SS133T-72 (Page 28) CN501 7P 47k Q606 2SC1815GR- R621 30k AF POWER D606 PROTECTOR 1SS133T-72 C615 0.01 R624 15k C616 10 50V R627 22k R692 10k Q690 2SC4495 BIAS (DB1070) R665 4.7k C663 220p C690 47 16V - Sony STR-DB1070 | Service Manual - Page 32
STR-DB870/DB1070 5-19. PRINTED WIRING BOARDS - DISP/SW Boards - • See page 14 for Circuit Boards Location. 1 2 DISP BOARD A JW89 B RV1601 ROTARY ENCODER JW90 JW91 MASTER VOLUME RDS/PTY R1916 JW77 R1917 (AEP, UK) FM MODE CN1901 • Semiconductor Location ENTER R1903 D1903, S1906 EQ - Sony STR-DB1070 | Service Manual - Page 33
IC Block Diagrams. STR-DB870/DB1070 P02 P03 P04 P05 R1638 220 R1637 56 D1617 MODE D1618 A.F.D. R1640 10k Q1602 2SA1115 DIMMER C1607 0.1 RV1601 ROTARY ENCODER MASTER VOLUME A2 A1 A4 A3 STREAM INFO (DB870) 2ND ROOM (DB1070) + - TUNING PTY SELECT FM MODE S1916 MEMORY SLEEP (US,CND,E, - Sony STR-DB1070 | Service Manual - Page 34
STR-DB870/DB1070 5-21. PRINTED WIRING BOARDS - H.P/MUTING/POWER/SP/VIDEO 3 Boards - • See page 14 for Circuit Boards Location. J701 (DB870) SUB WOOFER J403 CENTER PRE OUT J401 (DB1070) SUB WOOFER SURROUND BACK L R J402 SURROUND MUTING RV1801 JW64 JW65 INPUT MODE S1801 11 1-681-100- - Sony STR-DB1070 | Service Manual - Page 35
R1704 1k REMOTE CONTROL RECEIVER IC1701 NJL63H400A S1703 DISPLAY S1702 DIMMER S1704 VCC GND OUT C1701 47 16V S1701 SPEAKERS OFF ON R1703 22k R1701 100 R1702 10 CN1701 11P (Page 33) J402 4P L FRONT R L SURROUND R J403 1P (DB870) CENTER J401 4P (DB1070) PRE OUT L SURROUND BACK - Sony STR-DB1070 | Service Manual - Page 36
STR-DB870/DB1070 5-23. PRINTED WIRING BOARDS - POWER SUPPLY Section - • See page 14 for Circuit Boards Location. • Semiconductor 1 2 Location Ref. No. Location D51 D-7 D52 C-7 D53 C-7 D54 C-7 D55 B-7 D56 B-7 - Sony STR-DB1070 | Service Manual - Page 37
SCHEMATIC DIAGRAM - POWER SUPPLY Section - STR-DB870/DB1070 CN51 5P SUB,T P.RY 8V GND 0.033 250V (US,CND) 0.015 100V (AEP,UK.E,CH) D914 * C915,916 RBV-602 12000 71V (DB870) 3 15000 71V (DB1070) C917 * CN910 4P +B CT GND B GND 1 4 2 C915 * (US,CND) JW901 -B C916 * (AEP,UK,E,CH) - Sony STR-DB1070 | Service Manual - Page 38
STR-DB870/DB1070 • Waveforms - DIGITAL Board - 1 IC1303 qf (XO) 1.3 Vp-p 231 ns 2 IC1410 1 3.9 Vp-p 40.4 ns 3 IC1601 (MCLK2) 3.7 Vp-p 74 ns 4 IC1703 tj (X1) 3.8 Vp-p 60 ns 5 IC1501 qd (MCLK2) 3.8 Vp-p 74 ns - VIDEO Board - qa IC304 qa 4 Vp-p qs IC304 qd 71 ns 4 Vp-p 57.7 ns • IC - Sony STR-DB1070 | Service Manual - Page 39
STR-DB1070)) YIN 1 CIN 2 VIN 3 AVCC 4 FSCO 5 VBLK 6 VCC 7 EXS 8 XS 9 HSYNC 10 VSYNC 11 EXHSYN 12 EXVSYN 13 VSS 14 ANALOG SWITCH 4 FSC CLOCK OSCILLATOR CIRCUIT VIDEO SIGNAL GENERATOR CIRCUIT FOR COLOR BURST SERIAL INPUT CONTROL Board (IC603: STR-DB1070)) BIAS CIRCUIT PROTECTOR REG DRIVE PRE - Sony STR-DB1070 | Service Manual - Page 40
DIGITAL ∑ MODULATOR DIGITAL ∑ MODULATOR 1/64 DECIMATION FILTER & LOW-CUT FILTER SERIAL I/O INTERFACE & MODE/FORMAT CONTROL SINGLE-END DEFERENTIAL CONVERTER 1 REFERENCE 234 SINGLE-END DEFERENTIAL CONVERTER 5 CLOCK/ TIMING CONTROL RESET/ POWER CONTROL 6 789 10 11 12 LIN V REF 1 REFCOM V REF - Sony STR-DB1070 | Service Manual - Page 41
STR-DB870/DB1070 IC1201 PCM1604Y/2K (DIGITAL Board) ML MC MDI MDO 31 30 29 28 27 26 25 CLOCK MANAGER MODE CONTROL INTERFACE SERIAL INPUT INTERFACE MULTI-FUNCTION X8 OVER SAMPLING DIGITAL FILTER MULTILEVEL DIGITAL ∑ MODULE BPZ CONTROL ZERO DETECT D/A CONVERTER D/A CONVERTER D/A CONVERTER 24 - Sony STR-DB1070 | Service Manual - Page 42
STR-DB870/DB1070 IC1407 TC7WH157FU (TE12R) (DIGITAL 31 CL 32 CHG 33 L-GND 34 D-GND 35 OUTPUT CIRCUIT RESET C 60BIT R REGISTER SI 60BIT C SHIFT SO R REGISTER 42 13 P23 14 P24 15 PARALLEL DATA OUTPUT BUFFER LATCH CIRCUIT SHIFT REGISTER CONTROL CIRCUIT 30 VDD 29 P10 28 P9 27 P8 26 P7 25 P6 - Sony STR-DB1070 | Service Manual - Page 43
STR-DB870/DB1070 5-25. IC PIN FUNCTION DESCRIPTION • DIGITAL BOARD IC1201 PCM1604Y/2K (D/A CONVERTER) system controller (IC1703) I Clock signal input from the system controller (IC1703) I Latch signal input from the system controllrt (IC1703) I Reset signal input from the system controller ( - Sony STR-DB1070 | Service Manual - Page 44
STR-DB870/DB1070 • DIGITAL BOARD IC1408 LC89056W-E (DIGITAL AUDIO INTERFACE RECEIVER) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 system controller (IC1703) 38 CLK I Clock signal input from the system controller (IC1703) 39 XSEL I Clock select terminal (fixed at "H") 40, 41 MODE0, MODE1 I Mode - Sony STR-DB1070 | Service Manual - Page 45
STR-DB870/DB1070 • Description - Ground terminal I Reset signal input from the system controller (IC1703) I Master clock input receiver (IC1408) - Power supply terminal (+3.3V) I Bit clock signal input from the audio interface receiver mode setting terminal (fixed at "H") - Ground terminal 45 - Sony STR-DB1070 | Service Manual - Page 46
STR-DB870/DB1070 Pin No. Pin Name I/O 49 (open) Boot mode control signal input terminal Not used (fixed at "L") Boot mode display signal output terminal Signal output to the system controller (IC1703) Audio transfer signal output to the digital audio inteface receiver (IC1408) Power supply - Sony STR-DB1070 | Service Manual - Page 47
STR-DB870/DB1070 • DIGITAL BOARD IC1601 CXD9616R (AUDIO DSP2) Pin No. mode setting terminal (fixed at "H") Mode select signal input terminal "L": 384fs, "H": 256fs Mode select signal input terminal "L": single chip mode, "H": can not use Ground terminal Reset signal input from the system controller - Sony STR-DB1070 | Service Manual - Page 48
STR-DB870/DB1070 Pin No. 60, 61 62 63 64 65 66 67, 68 69, 70 Ground terminal O Host serial data input from the system contrller (IC1703) O Host acknowledge signal output to the system controller (IC1703) O Chip select signal output to the S-RAM (IC1602) O Write enable signal output to the S-RAM - Sony STR-DB1070 | Service Manual - Page 49
STR-DB870/DB1070 - Not used (open) I Clock signal input from the digital audio interface receiver (IC1408) I Serial clock signal input terminal O Not used (open) O from the system controller (IC1703) I Boot strap signal input from the system controller (IC1703) I Boot mode control signal input - Sony STR-DB1070 | Service Manual - Page 50
STR-DB870/DB1070 • DIGITAL BOARD IC1703 MB91154PMT2-G-102-E1 (SYSTEM CONTROLLER VSS - Ground terminal 10 SB RY I Center and surround back speakers drive signal output terminal "H": relay ), function switch (IC101, 102, 105, 201) and electrical volume (IC401, 501, 601, 701) 23 TUNER DATA IN I - Sony STR-DB1070 | Service Manual - Page 51
STR-DB870/DB1070 Pin No. Pin Name I/O Description 41 M STATUS O STATUS (M BUS) control signal output to the select switch (IC751) 42 D.POWER O Power ON/OFF control signal output terminal (digital section power) 43 V.POWER O Power ON/OFF control the remote control receiver (IC1701) - Sony STR-DB1070 | Service Manual - Page 52
to the electrical volume (IC401, 501, 601, 701) 116 SYSTEM MUTE O System muting control signal output terminal 117 AC MUTE O Audio muting control signal output to the poweramp (IC403, 503, 603) 118 PROTECTOR I Over load detection signal input from the protect circuit "L": protect detect 119 - Sony STR-DB1070 | Service Manual - Page 53
- /+) Key input terminal (A/D input) S1911 to 1918 (EQUALIZER, STREAM INFO (DB870)/ I 2ND ROOM (DB1070), TEST TONE, TUNING +/-, SLEEP (US, Canadian, E, Chinese models)/RDS/PTY (AEP, UK models) FM MODE, MEMORY) I Key input terminal (A/D input) S1901 to 1908 (ENTER, >, - Sony STR-DB1070 | Service Manual - Page 54
STR-DB870/DB1070 • VIDEO BOARD IC307 MB90089F-G-238-BND (OSD DRIVER) Pin No. 1 2 3 4 5 6 7 Pin Name YIN CIN VIN AVCC FSCO VBLK VCC I/O Description I Y (luminance) signal input from the Y - Sony STR-DB1070 | Service Manual - Page 55
seldom required for routine service. Some one. delay SECTION 8 8 chassis section 11 8 B STR-DB870/DB1070 The components identified by mark 0 or dotted SONY (BLACK) 6 4-942-568-51 EMBLEM (NO.5), SONY (GOLD) 6 4-942-568-61 EMBLEM (NO.5), SONY (SILVER) 7 4-980-776-01 WINDOW, REMOTE CONTROL - Sony STR-DB1070 | Service Manual - Page 56
STR-DB870/DB1070 6-2. FRONT PANEL SECTION-1 59 58 Front panel section-2 53 66 57 60 #1 61 #2 65 62 59 63 #1 54 52 53 51 Ref. No. 51 51 51 51 51 51 51 52 52 52 52 52 53 53 53 Part No. Description Remark 4-233-627-01 PANEL, FRONT (DB1070 BLACK) (DB1070: AEP, CND, E2, E3, UK, - Sony STR-DB1070 | Service Manual - Page 57
6-3. FRONT PANEL SECTION-2 STR-DB870/DB1070 102 101 104 105 103 not supplied 103 109 103 not 108 supplied 103 110 107 111 112 113 Ref. No. 101 101 101 101 101 101 101 102 102 102 103 104 104 105 Part No. Description Remark X-4953-673-1 BASE ASSY, PANEL (DB1070: CND, E2, E3 - Sony STR-DB1070 | Service Manual - Page 58
STR-DB870/DB1070 6-4. CHASSIS SECTION-1 156 #1 157 #1 #1 162 158 T901 165 not supplied 163 TW) 1-437-325-11 TRANSFORMER, POWER (CND, US) 1-437-327-11 TRANSFORMER, POWER (DB870: AEP, UK / DB1070: AEP, CH, KR, MY, SP, UK) 1-437-328-11 TRANSFORMER, POWER (E2, E3) 160 1-769-904-11 WIRE (FLAT - Sony STR-DB1070 | Service Manual - Page 59
STR-DB870/DB1070 6-5. CHASSIS SECTION-2 #1 #1 not supplied #1 not supplied #1 207 #1 207 #1 1-773-001-11 WIRE (FLAT TYPE) (15 CORE) (DB870) 1-773-003-11 WIRE (FLAT TYPE) (15 CORE) (DB1070) 3-703-244-00 BUSHING (2104), CORD A-4476-487-A BIAS BOARD, COMPLETE (DB870: AEP, UK) A-4726-840-A BIAS - Sony STR-DB1070 | Service Manual - Page 60
STR-DB870/DB1070 AC SECTION 7 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked "*" are not stocked since they parts list may be different from the parts speci- are seldom required for routine service. fied in the diagrams or the components used Some - Sony STR-DB1070 | Service Manual - Page 61
STR-DB870/DB1070 BIAS Ref. No. C413 C415 C416 C416 C440 C440 C463 C465 C466 C690 1-128-840-11 ELECT Remark 220PF 5% 50V (DB1070) 0.01uF 5% 50V (DB1070) 10uF 20% 50V (DB1070: CH, CND, E, US) 10uF 50V (DB1070: AEP, UK) 47uF 20% 16V (DB1070: CH, CND, E, US) C690 C805 C805 C806 C807 - Sony STR-DB1070 | Service Manual - Page 62
STR-DB870/DB1070 BIAS Ref. No. Part No. Description Remark Ref. No. Part No. Description Q456 Q490 Q504 Q505 8-729-281-53 TRANSISTOR 8-729-026-08 TRANSISTOR 8-729- - Sony STR-DB1070 | Service Manual - Page 63
STR-DB870/DB1070 BIAS DC1 DC2 Ref. No. Part No. Description Remark Ref. No. 1-137-666-12 ELECT C916 1-125-895-11 ELECT 12000uF 20% 15000uF 20% 12000uF 20% 71V (DB870) 71V (DB1070) 71V (DB870) The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only - Sony STR-DB1070 | Service Manual - Page 64
STR-DB870/DB1070 DC2 DIGITAL Ref. No. Part No. Description < CONNECTOR > CN904 COMPLETE(E2, E3) CN909 1-785-103-11 PIN, CONNECTOR 5P < DIODE > A-4476-530-A DIGITAL BOARD, COMPLETE (DB1070: AEP, UK) D901 D902 D903 D904 D905 8-719-109-89 DIODE RD5.6ESB2 8-719-983-95 DIODE MTZJ-T-72-39 - Sony STR-DB1070 | Service Manual - Page 65
STR-DB870/DB1070 DIGITAL Ref. No. C1204 C1204 C1205 C1205 C1206 C1207 C1207 128-858-11 ELECT 1-135-744-11 ELECT 22uF 50V (DB1070: AEP, UK) 0.0018uF 5% 50V (DB1070) 180PF 5% 50V (DB1070) 22uF 20% 50V (DB1070: CH, CND, E, US) 22uF 50V (DB1070: AEP, UK) 1-165-319-11 CERAMIC CHIP 0.1uF - Sony STR-DB1070 | Service Manual - Page 66
STR-DB870/DB1070 DIGITAL Ref. No. C1318 C1318 C1319 C1320 C1401 C1402 C1403 C1404 . Description 1-119-824-11 ELECT MELF 1-135-743-11 ELECT 10uF 10uF Remark 20% 50V (DB870: AEP, UK) 50V (DB1070: AEP, UK) 1-163-275-11 CERAMIC CHIP 0.001uF 5% 50V (AEP, UK) 1-165-319-11 CERAMIC CHIP 0.1uF 50V - Sony STR-DB1070 | Service Manual - Page 67
STR-DB870/DB1070 DIGITAL Ref. No. C1716 C1717 C1718 C1719 C1720 C1721 C1722 C1723 CERAMIC CHIP 0.1uF 50V 1-165-319-11 CERAMIC CHIP 0.1uF 50V 1-127-718-11 ELECT MELF 100uF 20% 16V (DB870/DB1070: CH, CND, E, US) Ref. No. Part No. Description D1802 8-719-988-61 DIODE 1SS355TE-17 D1803 8-719 - Sony STR-DB1070 | Service Manual - Page 68
STR-DB870/DB1070 DIGITAL Ref. No. Part No. Description IC1803 IC1804 IC1805 PIN 1P (DIGITAL DVD/LD COAXIAL IN) (DB870) 1-794-973-11 JACK, PIN 1P (DIGITAL DVD/LD COAXIAL IN) (DB1070) < SHORT > JW1001 1-211-950-11 SHORT 0 JW1002 1-216-296-11 SHORT 0 JW1003 1-216-296-11 SHORT 0 JW1004 - Sony STR-DB1070 | Service Manual - Page 69
STR-DB870/DB1070 Ref. No. Part No. Description R1412 1-216-067-00 METAL CHIP 5.6K R1413 1-216-065-00 RES-CHIP 4.7K R1414 1-216-073-00 RES-CHIP - Sony STR-DB1070 | Service Manual - Page 70
STR-DB870/DB1070 DIGITAL DISP Ref. No. Part No. Description R1755 R1756 073-00 RES-CHIP 1-216-045-00 METAL CHIP 1-216-073-00 RES-CHIP Remark Ref. No. Part No. Description 100 5% 10K 5% 0 (DB1070) 10K 5% 2.2K 5% 1/10W 1/10W 1/10W 1/10W (E2, E3) 10K 5% 1/10W (CH, KR, MY, SP, TW) 0 - Sony STR-DB1070 | Service Manual - Page 71
DB1070) 8-719-075-60 LED SELS5823C-TP15 (TUNER) 8-719-075-60 LED SELS5823C-TP15 (PHONO) Ref. No. Part No. Description < ROTARY ENCODER > Remark RV1601 1-418-773-11 ENCODER, ROTARY (MASTER VOLUME -TP15 (2CH) 8-719-046-39 LED SEL5821A-TP15 (MODE) 8-719-046-39 LED SEL5821A-TP15 (A.F.D.) 8-719-084 - Sony STR-DB1070 | Service Manual - Page 72
STR-DB870/DB1070 MAIN Ref. No. C126 C127 C128 C129 C130 C131 C132 C133 CERAMIC 1-127-868-11 CERAMIC 1-128-809-11 CERAMIC 2200PF 2200PF 2200PF 2200PF 100PF 2200PF 2200PF 100PF Remark 5% 50V (DB1070) 5% 50V (DB1070) 10% 50V 10% 50V 5% 50V 10% 50V 10% 50V 5% 50V Ref. No. C409 C410 C411 C412 - Sony STR-DB1070 | Service Manual - Page 73
STR-DB870/DB1070 MAIN Ref. No. C518 C519 C520 C551 C551 C552 C554 233-00 CERAMIC 1-128-809-11 CERAMIC 1-102-230-00 CERAMIC 220PF 33PF 100PF 4PF 5% 50V (DB1070) 10% 500V (DB1070) 5% 50V (DB1070) 0.25PF 500V (DB1070) 1-128-832-11 ELECT 1-135-667-11 ELECT 1-128-809-11 CERAMIC 1-107-597-11 CERAMIC - Sony STR-DB1070 | Service Manual - Page 74
) 1-815-543-11 JACK, PIN 6P (MULTI CH IN 1 FRONT/ SURROUND/CENTER/SURROUND BACK) (DB1070) 1-793-775-12 JACK, PIN 6P (MULTI CH IN FRONT/ SURROUND/CENTER/SUB WOOFER) (DB870) 1-815-543-11 JACK, PIN 6P (MULTI CH IN 2 FRONT/ SURROUND/CENTER/SUB WOOFER) (DB1070) 1-794-974-11 JACK, PIN 1P (SUB WOOFER - Sony STR-DB1070 | Service Manual - Page 75
STR-DB870/DB1070 Ref. No. Q601 Q602 Q602 Q603 Part No. Description Remark 8-729-141-30 TRANSISTOR 2SC3623A-LK 8-729-051-92 TRANSISTOR 2SD2560 (DB1070) 8-749-010-25 IC MN2488-OPY-M (DB870) 8-729-051-93 TRANSISTOR 2SB1647 (DB1070) Ref. No. R134 R135 R151 Part No. Description 1-247-887-00 - Sony STR-DB1070 | Service Manual - Page 76
STR-DB870/DB1070 MAIN Ref. No. R411 R411 0 R412 0 R413 0 R414 0 R417 R423 R451 R452 11 CARBON 1-249-441-11 CARBON 10 10 6.8K 1K 100K 5% 1/4W F (DB1070) 5% 1/4W F (DB1070) 5% 1/4W (DB1070) 5% 1/4W (DB1070) 5% 1/4W (DB1070) 1-249-417-11 CARBON 1K 1-249-433-11 CARBON 22K 1-215-887-00 METAL OXIDE - Sony STR-DB1070 | Service Manual - Page 77
IC > 5% 1/4W 5% 1/4W F IC1701 8-759-459-85 IC NJL63H400A 5% 1/4W (REMOTE CONTROL RECEIVER) R856 R859 R860 R864 1-249-429-11 CARBON 1-249-421-11 CARBON 1-249-429-11 (SP) (SURROUND/ CENTER/SURRONUD BACK SPEAKERS) (DB1070) TM501 1-694-839-11 TERMINAL BOARD (SP) (SURROUND/CENTER SPEAKERS) (DB870 - Sony STR-DB1070 | Service Manual - Page 78
STR-DB870/DB1070 S-VIDEO Ref. No. C750 C751 C752 C753 C754 C755 C756 0.1uF 20% 50V 10% 50V < CONNECTOR > * CN751 CN751 CN751 * CN753 1-573-828-11 CONNECTOR, BOARD TO BOARD 14P (DB1070: AEP, CH, E, UK) 1-766-719-41 CONNECTOR, BOARD TO BOARD 10P (DB870: AEP, UK) 1-784-040-41 CONNECTOR, BOARD - Sony STR-DB1070 | Service Manual - Page 79
STR-DB870/DB1070 SP SW Ref. No. Part No. Description 1-681-105-11 SP PRE OUT SURROUND BACK/ SUB WOOFER) (DB1070) J402 1-779-902-21 JACK, PIN 4P (PRE OUT FRONT/SURROUND) (DB870) J402 1-815-541-11 JACK, PIN 4P (PRE OUT FRONT/SURROUND) (DB1070) J403 1-774-843-11 JACK, PIN 1P (PRE OUT CENTER) J701 - Sony STR-DB1070 | Service Manual - Page 80
STR-DB870/DB1070 SW VIDEO Ref. No. S1912 Part No. Description Remark 1-762-875-21 SWITCH, KEYBOARD (STREAM INFO (DB870), 2ND ROOM (DB1070)) S1913 A.DIRECT) 1-762-875-21 SWITCH, KEYBOARD (MODE +) S1941 1-762-875-21 SWITCH, KEYBOARD (ON SCREEN) (DB1070) S1942 1-762-875-21 SWITCH, KEYBOARD (FM - Sony STR-DB1070 | Service Manual - Page 81
IN, DVD/LD IN) 1-794-970-11 JACK, PIN 1P (MONITOR OUT VIDEO) (DB870) 1-794-971-11 JACK, PIN 1P (MONITOR OUT VIDEO) (DB1070) 1-563-330-11 JACK (CONTROL A1 II) 1-794-978-11 JACK, PIN 3P (VIDEO 2 IN VIDEO, VIDEO 1 IN/OUT VIDEO) (DB870) 1-794-979-11 JACK, PIN 3P (VIDEO - Sony STR-DB1070 | Service Manual - Page 82
STR-DB870/DB1070 VIDEO VIDEO 3 Ref. No. Part No. Description R304 1-247-804- 418-11 CARBON R350 1-249-437-11 CARBON 75 5% 1/4W 3.9K 5% 1/4W (DB1070) 47K 5% 1/4W (DB1070) 1.2K 5% 1/4W (DB1070) 47K 5% 1/4W (DB1070) R351 1-247-804-11 CARBON R352 1-249-411-11 CARBON R353 1-247-883-00 - Sony STR-DB1070 | Service Manual - Page 83
STR-DB870/DB1070 VIDEO 3 VIDEO AU V.SWITCH Ref. No. Part No. Description < JACK > Remark STANDARD (RM-U305A) (DB870: AEP, UK) 1-476-606-11 REMOTE COMMANDER (RM-PP505) (DB870: CND) 1-476-607-11 REMOTE COMMANDER (RM-PP505L) (DB1070: CND, US) The components identified by mark 0 or dotted line - Sony STR-DB1070 | Service Manual - Page 84
(for RM-PP505) (FRENCH) (DB870: CND) 4-236-328-11 MANUAL, INSTRUCTION (for RM-PP505L) (ENGLISH) (DB1070: US, CND) 4-236-328-21 MANUAL, INSTRUCTION (for RM-PP505L) (FRENCH) (DB1070: CND) 4-236-383-11 MANUAL, INSTRUCTION (for RM-LP205) (ENGLISH) (DB1070: AEP, CH, E2, E3, MY, SP, TW, UK) 4-236 - Sony STR-DB1070 | Service Manual - Page 85
MEMO STR-DB870/DB1070 85 - Sony STR-DB1070 | Service Manual - Page 86
STR-DB870/DB1070 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date 1.0 2001.04 New Description of Revision
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SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
SPECIFICATIONS
STR-DB870/DB1070
Photo: STR-DB870
Ver 1.0
2001.04
9-873-842-11
Sony Corporation
2001D0500-1
Home Audio Company
C
2000.4
Shinagawa Tec Service Manual Production Group
US Model
E Model
Chinese Model
STR-DB1070
Canadian Model
AEP Model
UK Model
STR-DB870/DB1070
– Continued on next page –
This receiver incorporates Dolby* Digital and Pro Logic Surround
and the DTS** Digital Surround System.
*
Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are trademarks
of Dolby Laboratories.
** “DTS” and “DTS Digital Surround” are registered trademarks
of Digital Theater Systems, Inc.
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from
20 – 20,000 Hz; rated 100 watts per channel
minimum RMS power, with no more than
0.09 % total harmonic distortion from 250
milliwatts to rated output (Models of area code
U only).
Amplifier section
POWER OUTPUT
Models of area code U, CA
Rated Power Output at Stereo Mode
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
100 W + 100 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %)
90 W + 90 W
Reference Power Output
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DB1070:
FRONT
1)
:100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
SURR BACK
1)
: 100 W
STR-DB870:
FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DB1070:
FRONT:
1)
90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
SURR BACK
1)
: 90 W
STR-DB870:
FRONT
1)
:90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
Models of other area code
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
STR-DB1070:
100 W + 100 W
2)
90 W + 90 W
3)
STR-DB870:
100 W + 100 W
2)
(4 ohms 1 kHz, THD 0.7 %)
STR-DB1070:
90 W + 90 W
2)
80 W + 80 W
3)
STR-DB870:
100 W + 100 W
2)
Reference Power Output
2)
(8 ohms 1 kHz, THD 0.7 %)
STR-DB1070:
FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
SURR BACK
1)
: 100 W
STR-DB870:
FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
(4 ohms 1 kHz, THD 0.7 %)
STR-DB1070:
FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
SURR BACK
1)
: 90 W
STR-DB870:
FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DB1070:
FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
SURR BACK
1)
: 90 W
STR-DB870:
FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DB1070:
FRONT
1)
: 80 W + 80 W
CENTER
1)
: 80 W
SURR
1)
: 80 W + 80 W
SURR BACK
1)
: 80 W
STR-DB870:
FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
1) Depending on the sound field settings and the
source, there may be no sound output.
2) Measured under the following conditions:
Area code
Power requirements
E
240 V AC, 50 Hz
CN, SP, CEL, KR
230 V AC, 50 Hz
TW
110 V AC, 60 Hz
3) Measured under the following conditions:
Area code
Power requirements
CN
220 V AC, 50 Hz
Frequency response
PHONO
CD/SACD, TAPE,
MD/DAT, MD/TAPE,
TV/SAT, DVD/LD,
VIDEO 1, 2, 3
RIAA equalization curve
±
0.5 dB
10 Hz – 100 kHz
±
3 dB (with sound field,
equalizer, and bass boost
bypassed)