Read Sony STR-DE215 Service Manual online
STR-DE215
AEP Model
SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
MICROFILM
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY”, “PRO LOGIC” and the double-D symbol
are trademarks of Dolby Laboratories Licensing
Corporation.
Licensing Corporation.
“DOLBY”, “PRO LOGIC” and the double-D symbol
are trademarks of Dolby Laboratories Licensing
Corporation.
SPECIFICATIONS
Amplifier section
Power output
(DIN 1kHz, 4ohms)
60W + 60W
Frequency
PHONO : RIAA
response
equalization curve
± 0.5dB
± 0.5dB
CD, TAPE/MD,VIDEO :
10Hz - 50kHz ± 1dB
Inputs
Sensitivity Impedance S/N
(weighting
network,
input level)
network,
input level)
PHONO
2.5mV
50
74dB
(MM)
Kilohms
72dB*
(A, 2.5mV)
CD,
200mV
50
82dB
TAPE/MD,
150mV
Kilohms
82dB*
TV/LD,
(A, 150mV)
VIDEO
*78 IHF
Outputs
TAPE/MD REC OUT :
Voltage : 150mV,
Impedance : 10 kilohms
Impedance : 10 kilohms
VIDEO AUDIO OUT :
Voltage : 150mV,
Impedance : 10 kilohms
PHONES :Accepts low
and high impedance
headphones
Impedance : 10 kilohms
PHONES :Accepts low
and high impedance
headphones
BASS BOOST
+ 10dB at 70Hz
TONE
± 8dB at 100Hz and
10kHz
10kHz
FM tuner section
Tuning range
87.5 - 108.0MHz
Aerial terminalss
75ohms, unbalanced
Sensitivity
Mono : 18.3 dBf, 2.2
µ
V
/75ohms
Stereo : 38.3 dBf, 22.5
µ
V
/75ohms
Usable
11.2 dBf, 1
µ
V
sencitivity
/75ohms (IHF)
S/N
Mono : 76dB
Stereo : 70dB
Stereo : 70dB
Harmonic
Mono : 0.3%
distortion at
Stereo : 0.5%
1kHz
Separation
45dB at 1kHz
Frequency
30Hz - 15kHz
+ 0.5
dB
response
-2
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)
Selectivity
35dB
— Continued on next page —
— 2 —
TABLE OF CONTENTS
Specifications ··············································································· 1
1.
GENERAL
...................................................................... 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) ·························· 11
3-4.
Schematic Diagram (DISPLAY SECTION) ···················· 16
3-5.
Printed Wiring Boards (DISPLAY SECTION) ················ 19
4.
EXPLODED VIEWS
4-1.
Front Panel Section ·························································· 23
4-2.
Chassis Section ································································· 24
5.
ELECTRICAL PARTS LIST
··································· 25
General
System
Tuner section : PLL
quartz-locked digital
synthesizer system
synthesizer system
Preamplifier section :
Low-noise NF type
equalizer
equalizer
Power amplifier section :
Pure-complimentary
SEPP
SEPP
Power
230V AC, 50/60Hz
requirements
Power
115W
consumption
Dimensions
430
×
145
×
295mm
Mass (Approx.)
5.5kg
Supplied
FM wire aerial (1)
accessories
AM loop aerial (1)
Remote controller
(remote) (1)
Size AA (R6) batteries (2)
Remote controller
(remote) (1)
Size AA (R6) batteries (2)
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.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
— 3 —
SECTION 1
GENERAL
LOCATION AND FUNCTION OF CONTROLS
1
POWER switch
2
CENTER LEVEL +, – buttons
3
REAR LEVEL +, – buttons
4
MASTER VOLUME control
5
BALANCE control
6
TREBLE control
7
BASS control
8
BASS BOOST button/indicator
9
TAPE/MD button
0
PHONO button
!¡
TV/LD button
!™
TUNER button
!£
VIDEO button
!¢
CD button
!∞
DIRECT button
!§
SHIFT button
!¶
Numeric buttons
!•
Tuner control buttons
!ª
PHONES jack
@º
SPEAKERS (A/B) buttons
1
AC power cord
2
FRONT SPEAKERS (A/B)
3
VIDEO
4
TV/LD
5
TAPE/MD
6
CD
7
PHONO
8
ANTENNA (FM/AM)
9
SIGNAL GND
<FRONT>
<REAR>
1
2 3
4
5
6
7
8
9
!º
!¡
!™
!£
!¢
!∞
!§
!¶
!•
!ª
@º
1
2
3
4
5
6
8
9
7
Pin No.
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
36
37
38
39
40
I/O
O
O
O
O
O
O
O
—
I
I
I
O
O
—
—
I
I
I
I
—
O
—
O
—
I
I
I
I
—
—
—
—
—
I
O
O
—
—
—
O
Description
Fluorescent indicator tube drive.
Power supply (+5V).
System clock.
System data.
PLL data input from TU001.
Chip enable output.
Chip enable output.
Not used.
Not used.
Protector detect input.
System reset terminal.
Auto stop detect input.
Stereo detect input.
Ground.
Speaker relay drive.
Not used.
Power Relay.
Not used.
A/D signal input terminal.
A/D3 key input terminal.
A/D2 key input terminal.
A/D1 key input terminal.
Power supply (+5V).
Reference voltage (+5V).
Ground.
Not used (Open).
Ground.
System clock (4.19MHz).
System clock (4.19MHz).
Mute drive output for
µ
PD2581V (IC701).
Not used (Open).
Not used (Open).
Not used (Open).
Tuner mute drive output.
Pin Name
DIG7
DIG6
DIG5
DIG4
DIG3
DIG2
DIG1
+5V
S. CLK
S. DATA
PLL. DATA
S. CE (LC7288)
S. CE (LV100)
REAR-RY
BRIDGE CABLE
PROTECT
RESET
AUTO-STOP
STEREO-IN
AVss
SP-RY
SURR-RY
POWER-RY
NOT USED
SIGNAL
A/D3
A/D2
A/D1
AVDD
AV. REF
GND
NC
Vss
X1
X2
IC. MUTE
PROLOGIC
CSTUDIO
HALL
T. MUTE
SECTION 2
EXPLANATION OF IC TERMINALS
— 4 —
• IC201
µ
PD78044FGF-064-3B9