STR-DE1075 — Sony Audio Service Manual (repair manual)

Model
STR-DE1075
Pages
81
Size
8.13 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-de1075.pdf
Date

View Sony STR-DE1075 Service Manual online

SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
US Model
Canadian Model
SPECIFICATIONS
STR-DE1075
Ver 1.2  2001.11
9-873-841-13
Sony Corporation
2001K0500-1
Home Audio Company
C
 2001.11
Published by Sony Engineering Corporation
– 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 (US model only).
Amplifier section
POWER OUTPUT
Rated Power Output at Stereo Mode
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
100 W + 100 W
Reference Power Output
(8 ohms 1 kHz, THD 0.7 %)
FRONT
1)
:100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
SURR BACK
1)
: 100 W
1) Depending on the sound field settings and the
source, there may be no sound output.
Frequency response
PHONO
CD/SACD, TAPE,
MD/DAT, TV/SAT,
DVD/LD, VIDEO 1, 2,
3
Inputs (Analog)
PHONO
MULTI CH IN (1, 2),
CD/SACD, TAPE,
MD/DAT, DVD/LD,
TV/SAT, VIDEO 1, 2,
3
2) INPUT SHORT.
3) Weighted network, input level.
RIAA equalization curve
±
0.5 dB
10 Hz – 100 kHz
±
3 dB (with sound field,
equalizer, and bass boost
bypassed)
Sensitivity: 2.5 mV
Impedance: 50 kilohms
S/N
2)
: 86 dB (A, 2.5 mV
3)
)
Sensitivity: 150 mV
Impedance: 50 kilohms
S/N
2)
: 96 dB
(A, 150 mV
3)
)
2
STR-DE1075
Inputs (Digital)
DVD/LD (Coaxial)
DVD/LD, TV/SAT,
MD/DAT (Optical)
Outputs
TAPE, MD/DAT
(REC OUT), VIDEO
1, 2 (AUDIO OUT)
FRONT L/R,
CENTER,
SURROUND L/R,
SURROUND BACK,
SUB WOOFER
Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
Sensitivity: –
Impedance: –
S/N: 100 dB
(A, 20 kHz LPF)
Voltage: 150 mV
Impedance: 2.2 kilohms
Voltage: 2 V
Impedance: 2.2 kilohms
EQ
BASS:
99 Hz~1.0 kHz
(21 steps)
MID:
198 Hz~10 kHz
(37 steps)
TREBLE:
1.0 kHz~10 kHz
(23 steps)
Gain levels:
±
10 dB, 1 dB step
FM tuner section
Tuning range
87.5 - 108.0 MHz
Antenna terminals
75 ohms, unbalanced
Sensitivity
Mono:
18.3 dBf, 2.2 
µ
V/75 ohms
Stereo:
38.3 dBf, 22.5 
µ
V/75 ohms
Usable sensitivity
11.2 dBf, 1 
µ
V/75 ohms
S/N
Mono:
76 dB
Stereo:
70 dB
Harmonic distortion at 1 kHz
Mono:
0.3%
Stereo:
0.5%
Separation
45 dB at 1 kHz
Frequency response
30 Hz – 15 kHz,
+0.5/–2 dB
Selectivity
60 dB at 400 kHz
AM tuner section
Tuning range
With 10-kHz tuning scale: 530 – 1.710 kHz
4)
With 9-kHz tuning scale:
531 – 1.710 kHz
4)
Antenna
Loop antenna
Usable sensitivity
50 dB/m (at 1,000 kHz or
999 kHz)
S/N
54 dB (at 50 mV/m)
Harmonic distortion
0.5 % (50 mV/m,
400 kHz)
Selectivity
At 9 kHz:
35 dB
At 10 kHz:
40 dB
4) You can change the AM tuning scale to 9 kHz or
10 kHz. After tuning in any AM station, turn off
the receiver. Hold down TUNING – and press
?/1. All preset stations will be erased when you
change the tuning scale. To reset the scale to
10 kHz (or 9 kHz), repeat the procedure.
Video section
Inputs
Video:
1 Vp-p, 75 ohms
S-video:
Y:  1 Vp-p, 75 ohms
C: 0.286 Vp-p, 75 ohms
Outputs
Video:
1 Vp-p, 75 ohms
S-video:
Y:  1 Vp-p, 75 ohms
C: 0.286 Vp-p, 75 ohms
General
Power requirements
120 V AC, 60 Hz
Power consumption
300 W (US model)
375 VA (Canadian model)
AC outlets
2 switched, 120 W/1A
Dimensions
430 
×
 161 
×
 401 mm
including projecting parts
and controls
Mass (Approx.)
16.0 kg
Supplied accessories
FM wire antenna (1)
AM loop antenna (1)
Audio/video/control S connecting cord (1)
Control S connecting cord (1)
Remote commander RM-PP505L (1)
R6 (size-AA) batteries (2)
Design and specifications are subject to change
without notice.
3
STR-DE1075
Fig. A.
Using an AC voltmeter to check AC leakage.
1.5 k
0.15 
µ
F
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
ATTENTION  AU  COMPOSANT  AYANT  RAPPORT
À  LA  SÉCURITÉ!
LES  COMPOSANTS  IDENTIFIÉS  PAR  UNE  MARQUE  
0
SUR  LES  DIAGRAMMES  SCHÉMATIQUES  ET  LA  LISTE
DES  PIÈCES  SONT  CRITIQUES  POUR  LA  SÉCURITÉ
DE  FONCTIONNEMENT.  NE  REMPLACER  CES  COM-
POSANTS  QUE  PAR  DES  PIÈCES  SONY  DONT  LES
NUMÉROS  SONT  DONNÉS  DANS  CE  MANUEL  OU
DANS  LES  SUPPLÉMENTS  PUBLIÉS  PAR  SONY.
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  OR  IN  SUPPLEMENTS  PUB-
LISHED  BY  SONY.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
SAFETY  CHECK-OUT
After correcting the original service problem, perform the follow-
ing safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE  TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a VOM
or battery-operated AC voltmeter. The “limit” indication is 0.75
V, so analog meters must have an accurate low-voltage scale.
The Simpson 250 and Sanwa SH-63Trd are examples of a pas-
sive VOM that is suitable. Nearly all battery operated digital
multimeters that have a 2 V AC range are suitable.  (See Fig. A)
TABLE  OF  CONTENTS
1.
SERVICING  NOTES
...............................................
4
2.
GENERAL
...................................................................
5
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
6
3-2. Case .................................................................................
7
3-3. S-VIDEO board, VIDEO Board,  Tuner .........................
7
3-4. VIDEO AU Board ...........................................................
8
3-5. DIGITAL Board ..............................................................
8
3-6. MAIN Board ...................................................................
9
4.
TEST  MODE
.............................................................. 10
5.
ELECTRICAL  ADJUSTMENT
............................ 11
6.
DIAGRAMS
6-1. Block Diagram  – TUNER/VIDEO INPUT Section – ... 13
6-2. Block Diagram  – AUDIO DSP Section – ...................... 14
6-3. Block Diagram  – AUDIO CONTROL Section – .......... 15
6-4. Block Diagram  – POWER AMP Section – ................... 16
6-5. Block Diagram
– DISPLAY/KEY CONTROL Section – ........................ 17
6-6. Block Diagram  – POWER SUPPLY Section – ............. 18
6-7. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 19
6-8. Schematic Diagram  – DIGITAL Board (1/5) – ............. 21
6-9. Schematic Diagram  – DIGITAL Board (2/5) – ............. 22
6-10. Schematic Diagram  – DIGITAL Board (3/5) – ............. 23
6-11. Schematic Diagram  – DIGITAL Board (4/5) – ............. 24
6-12. Schematic Diagram  – DIGITAL Board (5/5) – ............. 25
6-13. Printed Wiring Board
– DIGITAL Board (Component Side) – ......................... 26
6-14. Printed Wiring Board
– DIGITAL Board (Conductor Side) – ........................... 27
6-15. Printed Wiring Board  – VIDEO Board – ....................... 28
6-16. Schematic Diagram  – VIDEO Board – ......................... 29
6-17. Printed Wiring Boards
– S-VIDEO/VIDEO AU Boards – .................................. 30
6-18. Schematic Diagram
– S-VIDEO/VIDEO AU Boards – .................................. 31
6-19. Printed Wiring Board  – MAIN Board – ........................ 32
6-20. Schematic Diagram  – MAIN Board (1/3) – .................. 33
6-21. Schematic Diagram  – MAIN Board (2/3) – .................. 34
6-22. Schematic Diagram  – MAIN Board (3/3) – .................. 35
6-23. Printed Wiring Board  – BIAS Board – .......................... 36
6-24. Schematic Diagram  – BIAS Board – ............................. 37
6-25. Printed Wiring Board  – DISP Board – .......................... 38
6-26. Schematic Diagram  – DISP Board – ............................. 39
6-27. Printed Wiring Boards
– H.P/JOG/POWER/SP/VIDEO 3/VOL Boards – ......... 40
6-28. Schematic Diagram
– H.P/JOG/POWER/SP/VIDEO 3/VOL Boards – ......... 41
6-29. Printed Wiring Boards
– POWER SUPPLY Section – ........................................ 42
6-30. Schematic Diagram  – POWER SUPPLY Section – ...... 43
6-31. IC Pin Function Description ........................................... 49
7.
EXPLODED  VIEWS
7-1. Case Section .................................................................... 61
7-2. Front Panel Section ......................................................... 62
7-3. Chassis Section-1 ............................................................ 63
7-4. Chassis Section-2 ............................................................ 64
8.
ELECTRICAL  PARTS  LIST
............................... 65
Ver 1.2
4
STR-DE1075
SERVICE  POSITION
In checking the DIGITAL board, prepare jig (extension cable J-2501-208-A: 200 mm 21 core).
SECTION  1
SERVICING  NOTES
MAIN board
DIGITAL board
Connect jig (extension cable J-2501-208-A)
to the MAIN board (CN806, 807) and
DIGITAL board (CN1102, 1103).
5
STR-DE1075
SECTION  2
GENERAL
This section is extracted from
instruction manual.
LOCATION  OF  CONTROLS
– Front Panel –
2ND ROOM wf (25)
6.1CH DECODING wa (29)
6.1CH DECODING indicator ql
(29)
AM eh (36)
CINEMA STUDIO EX A–C qh
(26)
DIGITAL CONCERT HALL A,
B w; (27)
Cursor buttons (
/
) ef (17,
31, 33, 34, 38, 40)
Digital Cinema Sound indicator
qk
 (26)
DIMMER 5 (25)
DIMMER indicator 8 (25)
Display qj (30)
DISPLAY  4 (25)
ENTER ed (38)
EQ 0 (34)
EQUALIZER wk (34)
FM ej (36)
FM MODE ek (36)
FUNCTION wg (22, 23, 36–38)
INPUT MODE wj (23)
IR receptor 6
Jog dial eg (17, 31, 33, 34, 38,
40)
LEVEL qs (33)
MASTER VOLUME wd (21, 24)
MEMORY r; (37)
MODE wh (23)
MULTI /2CH A. DIRECT  wl
(24, 28)
MULTI CHANNEL DECODING
indicator qd
MUTING ws (24)
NAME qg (38)
ON SCREEN ra (8)
PHONES jack 3 (24)
PRESET TUNING +/– 7 (37)
SET UP qf (17, 40)
SHIFT el (37)
SOUND FIELD 2CH e; (28)
SOUND FIELD A.F.D. es (28)
SOUND FIELD MODE ea (26,
35)
SPEAKERS switch 2 (24)
SURR qa (31)
TUNING +/– 9 (36)
VIDEO 3 INPUT jacks rs (8)
?/1 (power) 1 (16, 21, 22, 35)
wf
wh
wg
wk
ea
es
wl
e;
wj
123
qh
4
qs
8
5
9
0qa
qd qfqg
qj qkqlw;wa
ws
wd
6 7
ed
rs
ej
ek
el
r;
ef
eg
eh
ra
– Rear Panel –
7
1
2 3 4
5
6
8
9
0
qa
qs
qd
qf
qh
qg
qj
qk
ql
1
DIGITAL jack
2
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
SPEAKERS terminal
0
AUDIO OUT jack
qa
INPEDANCE SELECTOR
qs
MULTI CH IN 2 jack
qd
MULTI CH IN 1 jack
qf
PHONO jack
qg
CD/SACD jack
qh
MD/DAT jack
qj
TAPE jack
qk
2ND ROOM jack
ql
AC OUTLET

Download Sony STR-DE1075 Service Manual (Repair Manual)

Here you can view online or download Sony STR-DE1075 Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sony STR-DE1075 Audio. Information contained in Sony STR-DE1075 service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).