STR-DE515
SERVICE MANUAL
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY”, “PRO LOGIC” and the double-D symbol
are trademarks of Dolby Laboratories Licensing
Corporation.
SPECIFICATIONS
Amplifier section
Power output
Stereo mode (DIN 1kHz, 4ohms)
Surround (DIN 1kHz, 4ohms)
mode Front : 90W/ch
Frequency PHONO : RIAA
response equalization curve
Inputs
Sensitivity Impedance S/N
PHONO 2.5mV 50 74dB
(MM) Kilohms 72dB***
CD, 200mV
5.1/DVD
TAPE/MD,
TV/LD,
VIDEO
110W + 110W
Center : 90W
Rear :
(DIN 1kHz, 8ohms)
30Wch
± 0.5dB
TV/LD, CD, TAPE/MD,
VIDEO, 5.1/DVD :
10Hz - 50kHz ± 1dB
(weighting
network,
input level)
50 82dB
150mV
Kilohms 82dB***
(A,2.5mV)
(A, 150mV)
***78 IHF
Outputs TAPE/MD REC OUT :
Voltage : 150mV,
Impedance : 10 kilohms
VIDEO AUDIO OUT :
Voltage : 150mV,
Impedance : 10 kilohms
WOOFER
Voltage : 2V
Impedance : 10 kilohms
PHONES :Accepts low
and high impedance
headphones
Muting Full mute
BASS BOOST + 10dB at 70Hz
TONE ± 8dB at 100Hz and
10kHz
FM tuner section
Tuning range 87.5 - 108.0MHz
Aerial terminalss75ohms, unbalanced
Sensitivity Mono : 18.3 dBf, 2.2µV
/75ohms
Stereo : 38.3 dBf, 22.5µV
/75ohms
AEP Model
UK Model
Usable 11.2 dBf, 1µV
sencitivity /75ohms (IHF)
S/N Mono : 76dB
Harmonic Mono : 0.3%
distortion at Stereo : 0.5%
1kHz
Separation 45dB at 1kHz
Frequency 30Hz - 15kHz
response
Selectivity 60dB at 400kHz
AM tuner section
Tuning range 522 - 1611 kHz
Aerial Loop aerial
Usable 50dB/m (at 999kHz)
sensitivity
S/N 54dB (at 50mV/m)
Harmonic 0.5% (50mV/m,
distortion 400Hz)
Stereo : 70dB
+ 0.5
dB
– 2
— Continued on next page —
FM STEREO/FM-AM RECEIVER
MICROFILM
Selectivity 35dB
General
System Tuner section : PLL
quartz-locked digital
synthesizer system
Preamplifier section :
Low-noise NF type
equalizer
Power amplifier section :
Pure-complimentary
SEPP
Power 230V AC, 50/60Hz
requirements
Power 230W
consumption
AC outlets Switched 100W
Dimensions 430 × 145 × 295mm
Mass (Approx.) 7.2kg
Supplied FM wire aerial (1)
accessories AM loop aerial (1)
Remote controller
(remote) (1)
Size AA (R6) batteries (2)
Scart adaptor (1)
TABLE OF CONTENTS
Specifications ··············································································· 1
1. GENERAL
Location and Function of controls················································ 3
2. EXPLANATION OF IC TERMINALS ···················5
3. DIAGRAMS
3-1. Circuit Boards Location ····················································· 7
3-2. Printed Wiring Boards (Main Section) ······························· 8
3-3. Schematic Diagram (Main Section) ································· 13
3-4. Schematic Diagram (Display Section) ····························· 18
3-5. Printed Wiring Boards (Display Section) ························· 21
4. EXPLODED VIEWS
4-1. Front Panel Section ··························································25
4-2. Chassis Section································································· 26
5. ELECTRICAL PARTS LIST································ 27
Design and specifications are subject to change without notice.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH
MARK ! 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
PUBLISHED BY SONY .
— 2 —
LOCATION AND FUNCTION OF CONTROLS
123 54 6
7
8
9!º!¡
!™!£
!¢
!∞!§!¶!•!ª@º@¡
@™
@£
@¢@∞@§
<FRONT>
1 POWER switch
2 CENTER LEVEL +, – buttons
3 REAR LEVEL +, – buttons
4 STANDBY indicator
5 FUNCTION indicators
6 5.1 INPUT indicator
7 MASTER VOLUME control
8 BALANCE control
9 TREBLE control
!º BASS control
!¡ BASS BOOST button/indicator
!™ SURROUND ON/OFF button
!£ MODE button
<REAR>
1 5.1 INPUT (FRONT/REAR/CENTER/WOOFER)
2 WOOFER
3 WIRELESS REAR SPEAKER
4 AC OUTLET
5 AC power cord
6 FRONT SPEAKERS (A/B)
7 SURROUND SPEAKERS (CENTER)
8 SURROUND SPEAKERS (REAR)
1
!£
!¡!™!¢!∞
SECTION 1
GENERAL
!¢ EFFECT/DELAY TIME, SET UP, 5.1/DVD INPUT buttons
!∞ TAPE/MD button
!§ PHONO button
!¶ TV/LD button
!• TUNER button
!ª VIDEO button
@º CD button
@¡ DIRECT button
@™ SHIFT button
@£ Numeric buttons
@¢ Tuner control buttons
@∞ PHONES jack
@§ SPEAKERS (A/B) buttons
23 4
6
89!º
7
9 VIDEO
!º TV/LD
!¡ TAPE/MD
!™ CD
!£ PHONO
!¢ ANTENNA (FM/AM)
!∞ SIGNAL GND
5
IC201 : µPD78044FGF-064-3B9
Pin No.
Pin Name
1
DIG7
2
DIG6
3
DIG5
4
DIG4
5
DIG3
6
DIG2
7
DIG1
8
+5V
9
S. CLK
10
S. DATA
11
PLL. DATA
12
S. CE (LC7288)
13
S. CE (LV100)
14
REARRY
15
BRIDGE CABLE
16
PROTECT
17
RESET
18
AUTO-STOP
19
STEREO-IN
20
AVss
21
SP-RY
22
SURR-RY
23
POWER-RY
24
Not used
25
SIGNAL
26
A/D3
27
A/D2
28
A/D1
29
AVDD
30
AV. RE F
31
GND
32
NC
33
Vss
34
X1
35
X2
36
IC. MUTE
37
PROLOGIC
38
CSTUDIO
39
HALL
40
T. MUTE
SECTION 2
EXPLANATION OF IC TERMINALS
I/O
O
O
O
O
Fluorescent indicator tube drive.
O
O
O
—
Power supply (+5V).
I
System clock.
I
System data.
I
PLL data input from TU001.
O
Chip enable output.
O
Chip enablr output.
I
Input for model slect.
O
Standby relay ON/OFF control.
I
Protector detect input.
I
System reset terminal.
I
Auto stop detect input.
I
Stereo detect input.
—
Ground.
O
Speaker relay drive.
O
Surround Relay.
O
Power relay drive.
O
Not used.
I
A/D signal input terminal.
I
A/D3 key input terminal.
I
A/D2 key input terminal.
I
A/D1 key input terminal.
—
Power supply (+5V).
—
Reference voltage (+5V).
—
Ground.
—
Not used (Open).
—
Ground.
I
System clock (4.19MHz).
O
System clock (4.19MHz).
O
Mute drive output for µPD2581V (IC701).
O
Plologic LED drive.
O
CINEMA STUDIO LED drive.
O
Hall LED drive.
O
Tuner mute drive output.
Description
Pin No.
41
42
VOLUME DOWN
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
VOLUME UP
STANDBY
SYS. POWER
RDS. DATA. IN
RDS. CLK. IN
STOP
Vss
SIRCS
POWER SW
5.1ch LED
+5V
BASS BOOST
FUNC. MUTE
SL MUTE
VERSION
K14
K13
K12
K11
SR MUTE
S15
S14
S13
S12
S11
S10
S9
S8
S7
VLOAD
S6
S5
S4
S3
S2
S1
DIG10
DIG9
DIG8
O
Volume up.
O
Volume down.
O
Standby LED drive.
I
System power ON/OFF.
I
RDS data input terminal.
I
RDS clock input terminal.
I
Stop signal input from NJM2103D (IC950).
—
Ground.
I
Sircs signal input.
I
Power switch input terminal.
O
5.1ch input LED.
—
Power supply (+5V).
O
Bass boost LED drive.
O
Line mute drive.
O
Surround Lch mute.
I
Input for model select.
I
Key in 4.
I
Key in 3.
I
Key in 2.
I
Key in 1.
O
Surround Rch mute.
O
Key out 15.
O
Key out 14.
O
Key out 13.
O
Key out 12.
O
Key out 11.
O
Key out 10.
O
Key out 9.
O
Key out 8.
O
Key out 7.
—
Connect to –24V.
O
Key out 6.
O
Key out 5.
O
Key out 4.
O
Key out 3.
O
Key out 2.
O
Key out 1.
O
O
Fluorescent indicator tube drive.
O
I/O
Pin Name
Description
Fluorescent indicator tube drive.
Fluorescent indicator tube drive.
3-1. CIRCUIT BOARDS LOCATION
PRIMARY board
SP-SW board
DISPLAY board
SECONDARY board
KEY board
SECTION 3
DIAGRAMS
VR TONE board
STBY board
VOLUME board
VIDEO board
MAIN board
SWITCH board
— 3 — — 4 — — 5 — — 6 — — 7 —