Instruction/ maintenance manual of the product STR-DE845 Sony
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SERVICE MANUAL FM STEREO/FM-AM RECEIVER US Model Canadian Model STR-DE845/DE945 E Model A ustralian Model Chinese Model PX Model STR-DE845 SPECIFICA TIONS STR-DE845/DE945 Photo: STR-DE945 Manuf actured under license from Dolby labora- tories.
2 SAFETY-RELA TED COMPONENT W ARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DO TTED LINE WITH MARK 0 ON THE SCHEMA TIC DIA GRAMS AND IN THE P ARTS LIST ARE CRITICAL T O SAFE OPERA TION. REPLA CE THESE COMPONENTS WITH SONY P AR TS WHOSE P AR T NUMBERS AP- PEAR AS SHO WN IN THIS MANU AL OR IN SUPPLEMENTS PUB- LISHED BY SONY .
3 MODEL IDENTIFICA TION – Rear View – Part No. Fig. A. Using an A C voltmeter to chec k A C leakage. 1.5 k Ω 0.15 µ F AC voltmeter (0.75 V) To Exposed Metal Parts on Set Earth Ground SAFETY CHE.
4 SECTION 1 GENERAL Location of contr ols – Front vie w – 1 I/ 1 button 2 Function Buttons 3 INPUT MODE button 4 5.1CH INPUT button 8 DIMMER button 9 DISPLA Y button q; A. F . D button/indicator 2CH button/indicator MODE button/indicator qa CINEMA STUDIO EX.
5 1 ANTENN A terminal 2 5.1CH INPUT jack 3 DIGIT AL jack OPTICAL jack CO AX jack 4 SPEAKERS terminal FR ONT (A/B) terminal REAR terminal CENTER terminal 5 SUB WOOFER jack 6 IMPED ANCE SELECTOR switch .
6 CASE 5.1 IN BO ARD , A U SW BO ARD, TUNER Note: Follo w the disassembly procedure in the numerical order giv en. SECTION 2 DISASSEMBL Y 1 two screws 3 case 2 2 1 two screws 1 two screw s 3 four scre ws (BVTP 3X8 ) 1 wire (flat type) (15 core) (CN1) 4 tuner 5 5.
7 VIDEO/OSD/JOINT (1) (H)/OSD JOINT (H)/ S-VIDEO/DIGIT AL BOARD HEA T SINK 1 wire (flat type) (15 core ) (CN51) 5 brack et (digital) 1 wire (flat type) (21 core) (CN55) 4 DIGIT AL board 8 VIDEO board .
8 V OL BO ARD , MAIN BO ARD 5 four scre ws (BVTP 3X8 ) 2 knob 3 washer 7 three screws (BVTP 3X8 ) 6 connector (CNS305) 8 MAIN board 4 V OL board 1 wire (flat type) (23 core ) (CNS111) DE945.
9 SECTION 3 TEST MODE Fluorescent Indicator T ube T est Mode All fluorescent segments are tested. When this test is activ ated, all segments turn on at the same time, then each segment turns on one after another . Procedure: 1. While depressing, the [A.
10 MEMO.
11 11 STR-DE845/DE945 L D ATA FM AM FM 75 Ω AM DO TUNED MUTING STEREO D ATA CLOCK CE L OUT R OUT TM301 TUNER UNIT DO TUNED MUTING STEREO S DA TA S CLK S LA T R CH PHONO IN (DE945) (DE845) (DE945) (D.
12 12 STR-DE845/DE945 VIDEO SELECT IC2005 Y SWITCH IC252 C SWITCH IC251 VIDEO BUFFER IC2002 X2002 14MHz CLOCK IC2001 05 J299-2 (DE945) J2003 J2002 VCC VEE +5V – 5V SW1 16 8 14 V1 OUT 15 3 TV 5 LD 13.
13 13 STR-DE845/DE945 B C D 3 9 8 10 3 2 13 14 15 8 1 13 14 15 6 1 3 5 2 11 9 12 2 15 2 14 9 8 10 3 9 8 10 VEE VCC IN MUT +VE NF – VE VCC POWER AMP (L) IC501 +B – B 13 14 15 8 1 49 95 96 93 94 18 .
14 14 SP board DC (2) board AC board DIGIT AL board 5.1 IN board A U SW board MUTING board RO T AR Y board DISPLA Y board POWER board DC (1) board VIDEO 3 board (DE945) • Circuit Boar ds Location 4-4. NO TE FOR PRINTED WIRING BO ARDS AND SCHEMA TIC DIA GRAMS Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted.
15 15 STR-DE845/DE945 PIN FUNCTION 4-5. SCHEMA TIC DIA GRAM – DIGIT AL Board (1/3) –• See page 42 for Wa veform. • See page 42 for IC Bloc k Diagram.
16 16 STR-DE845/DE945 PIN FUNCTION 4-6. SCHEMA TIC DIA GRAM – DIGIT AL Board (2/3) –• See page 42 f or W avef orm. • See page 42 for IC Bloc k Diagrams.
17 17 STR-DE845/DE945 PIN FUNCTION PIN FUNCTION 4-7. SCHEMA TIC DIA GRAM – DIGIT AL Board (3/3) –• See page 42 for Wa veform. • See page 42 for IC Bloc k Diagrams. The components identified by mark 0 or dotted line with mark 0 are critical for saf ety .
18 18 STR-DE845/DE945 4-8. PRINTED WIRING BO ARD – DIGIT AL Board (Component Side) –• See page 14 for Cir cuit Boards Location. IC1201 D-4 IC1202 F-5 IC1301 H-5 IC1401 G-8 IC1402 I-8 IC1403 J-7 IC1404 I-4 IC1503 I-11 IC1504 H-12 IC1554 G-11 Q1201 E-6 Q1202 E-6 Q1203 E-2 Q1204 E-2 Ref.
19 19 STR-DE845/DE945 4-9. PRINTED WIRING BO ARD – DIGIT AL Board (Conductor Side) –• See page 14 for Cir cuit Boards Location. IC1204 J-17 IC1205 F-14 IC1206 H-16 IC1207 H-14 IC1208 G-13 IC1501 J-15 IC1511 B-6 Q1205 G-17 Ref . No. Location Ref.
20 20 STR-DE845/DE945 4-10. PRINTED WIRING BO ARDS – VIDEO/JOINT (1) (H) Boards (DE845) –• See pa ge 14 for Circuit Boar ds Location. (Page 26) TO VIDEO BOARD TO JOINT (1) (H) BOARD.
21 21 STR-DE845/DE945 4-11. SCHEMA TIC DIA GRAM – VIDEO/JOINT (1) (H) Boar ds (DE845) –• See page 42 for IC Block Dia gram. (Page 27).
22 22 STR-DE845/DE945 4-12. PRINTED WIRING BO ARDS – OSD/OSD JOINT (H) Boards (DE945) – • See page 14 for Circuit Boar ds Location. IC2004 C-5 IC2005 B-2 IC2006 B-5 IC2007 IC2008 B-4 Q2001 B-6 Q2002 C-5 Ref.
23 23 STR-DE845/DE945 4-13. SCHEMA TIC DIA GRAM – OSD/OSD JOINT (H) Boar ds (DE945) – • See page 42 for wavef orms. • See page 42 IC Block Diagrams.
24 24 STR-DE845/DE945 4-14. PRINTED WIRING BO ARD – A U SW Boar d – • See page 14 for Circuit Boar ds Location. • Semiconductor Location Ref. No.
25 25 STR-DE845/DE945 4-15. SCHEMA TIC DIA GRAM – A U SW Boar d – • See page 42 for IC Block Dia gram. (Page 17) (Page 32) (Page 37).
26 26 STR-DE845/DE945 4-16. PRINTED WIRING BO ARD – S-VIDEO Board – • See page 14 for Circuit Boar ds Location. (Page 19) (Page 22) (Page 20) (Page 34).
27 27 STR-DE845/DE945 4-17. SCHEMA TIC DIA GRAM – S-VIDEO Boar d – • See page 42 for IC Block Diagrams. (Page 23) (Page 21) (Page 35) (Page 15).
28 28 STR-DE845/DE945 CNP107 4-18. PRINTED WIRING BO ARD – DISPLA Y Board – • See page 14 for Cir cuit Boards Location. D168 B-2 D169 B-4 D170 C-2 D171 B-4 D172 A-3 D180 C-6 DD11 B-2 DD12 D-2 DD.
29 29 STR-DE845/DE945 PIN FUNCTION 4-19. SCHEMA TIC DIA GRAM – DISPLA Y Board – • See page 42 for Wa veforms. • See page 42 f or IC Block Diagrams. The components identified by mark 0 or dotted line with mark 0 are critical for saf ety . Replace only with par t number specified.
30 30 STR-DE845/DE945 4-20. PRINTED WIRING BO ARD – MAIN Board – • See page 14 for Circuit Boar ds Location. IC408 H-10 IC409 H-11 IC410 H-9 IC414 D-10 IC415 D-11 IC416 C-7 IC501 C-9 IC601 C-11 .
31 31 STR-DE845/DE945 4-21. SCHEMA TIC DIA GRAM – MAIN Boar d (1/3) – • See page 42 for IC Block Diagrams. (Page 35) (Page 32) (Page 33).
32 32 STR-DE845/DE945 4-22. SCHEMA TIC DIA GRAM – MAIN Boar d (2/3) – • See page 42 for IC Bloc k Diagrams. (Page 35) (Page 25) (Page 15) (Page 31) (Page 33) (Page 33) (Page 33) (Page 33) (Page .
33 33 STR-DE845/DE945 4-23. SCHEMA TIC DIA GRAM – MAIN Boar d (3/3) – The components identified by mark 0 or dotted line with mark 0 are critical for saf ety . Replace only with par t number specified. Les composants identifiés par une marque 0 sont critiques pour la sécurité.
34 34 STR-DE845/DE945 4-24. PRINTED WIRING BO ARDS – H.P/MUTING/PO WER/RO T AR Y/VIDEO 3 (DE945)/V OL/V . SWITCH (E) Boar ds – • See page 14 for Circuit Boar ds Location.
35 35 STR-DE845/DE945 4-25. SCHEMA TIC DIA GRAM – H.P/MUTING/PO WER/R O T AR Y/VIDEO 3 (DE945)/V OL/V . SWITCH (E) Boards – The components identified by mark 0 or dotted line with mark 0 are critical for saf ety . Replace only with par t number specified.
36 36 STR-DE845/DE945 4-26. PRINTED WIRING BO ARDS – BIAS (C)/BIAS (L)/BIAS (R)/BIAS (LS)/BIAS (RS)/5.1 IN Boards –• See page 14 for Circuit Boar ds Location.
37 37 STR-DE845/DE945 4-27. SCHEMA TIC DIA GRAM – BIAS (C)/BIAS (L)/BIAS (R)/BIAS (LS)/BIAS (RS)/5.1 IN Boar ds – (Page 25) (Page 33) (Page 33) (Page 33) (Page 33) (Page 33).
38 38 STR-DE845/DE945 4-28. PRINTED WIRING BO ARDS – DC (1)/DC (2) Boar ds –• See page 14 for Circuit Boar ds Location. • Semiconductor Location Ref.
39 39 STR-DE845/DE945 4-29. SCHEMA TIC DIA GRAM – DC (1)/DC (2) Boar ds – The components identified by mark 0 or dotted line with mark 0 are critical for saf ety . Replace only with par t number specified. Les composants identifi é s par une marque 0 sont critiques pour la s é curit é .
40 40 STR-DE845/DE945 4-30. PRINTED WIRING BO ARDS – A C/SP Boards –• See pa g e 14 for Circuit Boar ds Location. • Semiconductor Location Ref.
41 41 STR-DE845/DE945 4-31. SCHEMA TIC DIA GRAM – A C/SP Boar ds – The components identified by mark 0 or dotted line with mark 0 are critical for saf ety . Replace only with par t number specified. Les composants identifi é s par une marque 0 sont critiques pour la s é curit é .
42 42 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 31 32 33 34 35 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38.
43 IC301 TC9273N-004 (MAIN Board) IC303 TC9273N-014 (MAIN Board) IC330 TC9273N-013 (MAIN Board (DE945)) IC1502 TC9273N-012 (EL) (A U SW Board) IC501, 601, 701 µPC2581V (MAIN Board) IC414-416 TC9299P .
44 IC1005 TC74A CT153AF (EL) (DIGIT AL Board) IC1101 LC89055W -RA8 (DIGIT AL Board) IC1206 NJM2103M-TE2 (DIGIT AL Board) 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 2G 2C3 2C2 2C1 2C0 2Y VCC 2C3 2C2 2C1 2C.
45 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 64K x 16 MEMORY ARRAY SENSE AMP & WRITE PRIVER HIGH BYTE I/O BUFFER LOW .
46 4-32. IC PIN FUNCTION DESCRIPTION • DIGIT AL BO ARD IC1101 LC89055W -RA8 (A UDIO INTERF ACE RECEIVER) Pin No. Pin Name I/O Description 1 DISEL I Input data select terminal (fixed at “L” in th.
47 Pin No. Pin Name I/O Description 44 DOSEL0 O Data select 0 output terminal (fixed at “ L ” in this set) 45 DOSEL1 O Data select 1 output terminal (fixed at “ L ” in this set) 46 CKSEL0 I Sy.
48 • DIGIT AL BO ARD IC1201 MB90573PFV -G-296-BND (SYSTEM CONTROLLER) Pin No. Pin Name I/O Description 1 SCLK O Serial clock signal output to the dolby digital audio decoder (IC1301) 2S I I Serial d.
49 Pin No. Pin Name I/O Description 56 SDATA O Tuner data output to the FM/AM tuner unit (TM301) 57 SCLK O Tuner clock signal output to the FM/AM tuner unit (TM301) 58 DATA IN I PLL data input from th.
50 Pin No. Pin Name I/O Description 107 DIG-INB O Digital input select B control signal output to the select switch (IC1005) 108 DIG-INA O Dgital input select A control signal output to the select swi.
51 • DIGIT AL BO ARD IC1401 CXD2712R (A UDIO DSP) Pin No. Pin Name I/O Description 1 VSS3 — Ground terminal 2 to 5 SOA to SOD O Serial data output to the A/D, D/A converter 6, 7 ECJ0, ECJ1 I Condi.
52 Pin No. Pin Name I/O Description 99 CLKI I Master clock signal input terminal (10MHz) 100 CLKO O Master clock signal output terminal (10MHz) 101 VSS1 — Ground terminal 102 VDD0 — Power supply terminal (+3.3V) 103 AVSS — Ground terminal (for PLL cell) 104 AVDD — Power supply terminal (+3.
53 • DIGIT AL BO ARD IC1503 AK4527 (A/D, D/A CONVER TER) Pin No. Pin Name I/O Description 1 SDOS I Data source select terminal “ L ” : internal ADC output “ H ” : DAUX input 2 I2C I Control .
54 • DIGIT AL BO ARD IC102 MB90553ABPF-G-169-BND (DISPLA Y CONTROLLER) Pin No. Pin Name I/O Description 1 EQ O EQUALIZER indicator (D123) drive signal output terminal “ L ” : on 2 SUR O SURROUND.
55 Pin No. Pin Name I/O Description 53 RDS CLOCK I RDS clock signal input terminal Not used (fixed at “ L ” ) 54 RDS DATA I RDS data input terminal Not used (fixed at “ L ” ) 55 OSD VSYNC O Vi.
56 (1) FRONT P ANEL SECTION SECTION 5 EXPLODED VIEWS Les composants identifiés par une marque 0 sont critiquens pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécif ié. The components identified by mark 0 or dotted line with mark 0 are critical for safety .
57 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark (2) CHASSIS SECTION-1 #1 #1 #1 66 not supplied #1 #1 #4 #1 #1 #1 #1 #2 #2 #1 #1 #1 #1 #1 #1 not supplied not supplied not s.
58 (3) CHASSIS SECTION-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark E, PX #4 #4 #3 #3 #1 #1 #1 #1 #1 #1 #1 not supplied not supplied not supplied TU301 #1 #1 #1 #1 #1 #1.
59 SECTION 6 ELECTRICAL P ARTS LIST 5.1 IN A C Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark NO TE: • Due to standardization, replacements in the parts list may be dif f erent from the parts speci- fied in the diagrams or the components used on the set.
60 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark AU S W A-4428-791-A AU SW BOARD, COMPLETE ********************** < CAP ACITOR > C1503 1-163-251-11 CERAMIC CHIP 100PF 5% 50V C1504 1-163-037-11 CERAMIC CHIP 0.022uF 10% 25V C1505 1-163-037-11 CERAMIC CHIP 0.
61 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A U SW BIAS (C) BIAS (L) BIAS (LS) BIAS (R) BIAS (RS) DC (1) DC (2) R1584 1-216-089-00 RES-CHIP 47K 5% 1/10W R1585 1-216-08.
62 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark DC (2) DIGIT AL < CAP ACITOR > C801 1-104-664-11 ELECT 47uF 20% 25V C807 1-107-935-11 ELECT 330uF 20% 100V C808 1-126.
63 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark DIGIT AL C1221 1-126-964-11 ELECT 10uF 20% 50V C1222 1-165-319-11 CERAMIC CHIP 0.1uF 50V C1223 1-165-319-11 CERAMIC CHIP 0.1uF 50V C1224 1-165-319-11 CERAMIC CHIP 0.1uF 50V C1225 1-165-319-11 CERAMIC CHIP 0.
64 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark DIGIT AL IC1007 8-759-242-70 IC TC7WU04F (TE12R) IC1101 8-759-639-35 IC LC89055W-RA8 IC1201 8-759-680-64 IC MB90573PFV-G-29.
65 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark DIGIT AL DISPLA Y R1246 1-216-049-11 RES-CHIP 1K 5% 1/10W R1247 1-216-073-00 MET AL CHIP 10K 5% 1/10W R1248 1-216-073-00 ME.
66 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C102 1-164-222-11 CERAMIC CHIP 0.22uF 25V C103 1-165-319-11 CERAMIC CHIP 0.1uF 50V C104 1-165-319-11 CERAMIC CHIP 0.1uF 50V C105 1-104-905-11 CAPACITOR 0.22F 5.5V C106 1-165-319-11 CERAMIC CHIP 0.
67 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R100 1-216-089-00 RES-CHIP 47K 5% 1/10W R101 1-216-049-11 RES-CHIP 1K 5% 1/10W R102 1-216-049-11 RES-CHI.
68 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark RR33 1-216-073-00 MET AL CHIP 10K 5% 1/10W (DE945) RR34 1-216-073-00 MET AL CHIP 10K 5% 1/10W (DE945) RR35 1-216-073-00 MET.
69 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C352 1-128-809-11 CERAMIC 100PF 5% 50V (EXCEPT US, CND) C353 1-126-934-11 ELECT 220uF 20% 10V C354 1-125-896-91 MYLAR 0.0091uF 5% 50V C355 1-136-159-00 MYLAR 0.033uF 5% 50V C356 1-126-961-11 ELECT 2.
70 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark CNP561 1-784-921-11 PIN, CONNECTOR 4P CNP601 1-785-104-11 PIN, CONNECTOR 6P CNP602 1-785-104-11 PIN, CONNECTOR 6P CNP603 1-.
71 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q558 8-729-140-82 TRANSISTOR 2SA988TP-PAF AEA Q559 8-729-281-53 TRANSISTOR 2SC1815GR-TPE2 Q560 8-729-900-63 TRANSISTOR BN1F.
72 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R403 1-249-417-11 CARBON 1K 5% 1/4W R404 1-249-417-11 CARBON 1K 5% 1/4W R405 1-249-417-11 CARBON 1K 5% 1/4W R406 1-249-417-.
73 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R655 1-249-439-11 CARBON 68K 5% 1/4W R657 1-249-429-11 CARBON 10K 5% 1/4W 0 R658 1-249-393-11 CARBON 10 5% 1/4W F R680 1-249-429-11 CARBON 10K 5% 1/4W R681 1-249-425-11 CARBON 4.
74 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2018 1-126-964-11 ELECT 10uF 20% 50V C2019 1-164-159-11 CERAMIC 0.1uF 50V C2020 1-126-964-11 ELECT 10uF 20% 50V C2023 1-164-159-11 CERAMIC 0.
75 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VIBRA TOR > X2002 1-781-821-21 VIBRA TOR, CRYST AL (14MHz) ********************************************************.
76 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > IC251 8-759-529-20 IC NJM2296D IC252 8-759-529-20 IC NJM2296D IC253 8-759-666-33 IC NJM2145D < JACK > J2.
77 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-677-004-11 V . SWITCH BOARD (E, PX) *************** 1-533-217-31 HOLDER, FUSE < CONNECTOR > CNV903 1-568-106-11 PIN.
78 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** #1 7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3 #2 7-685-881-09 SCREW +BVTT 4X8 (S) .
An important point after buying a device Sony STR-DE845 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sony STR-DE845 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sony STR-DE845 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony STR-DE845 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony STR-DE845 will certainly help you make a decision on the purchase.
If you already are a holder of Sony STR-DE845, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony STR-DE845.
However, one of the most important roles played by the user manual is to help in solving problems with Sony STR-DE845. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony STR-DE845 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
