Sony STR-DE315, Service Manual

Page: 3 / 14

SECTION 1
GENERAL
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
I
I
—
O
O
O
—
I
I
I
I
—
—
—
—
—
I
O
O
O
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.
Input for model select.
Protector detect input.
Protector detect input.
System reset terminal.
Auto stop detect input.
Stereo detect input.
Ground.
Speaker relay drive.
Surround Relay.
Power relay drive.
Ground.
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).
Plologic LED.
CINEMA STUDIO LED.
HALL LED.
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-R
BRIDGE
PROTECT
RESET
AUTO-STOP
STEREO-IN
AVss
SP-RY
SURR-RY
POWER-RY
AVss
SIGNAL
A/D3
A/D2
A/D1
AVDD
AV. REF
GND
NC
Vss
X1
X2
IC. MUTE
PROLOGIC
SIMULATED
HALL
T. MUTE
SECTION 2
EXPLANATION OF IC TERMINALS
Pin No.
41
42
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
I/O
O
O
O
I
I
I
I
—
I
I
—
—
I
O
O
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
—
O
O
O
O
O
O
O
O
O
Description
Volume up.
Volume down.
Standby LED drive.
System power ON/OFF.
RDS data input.
RDS clock input.
Stop signal input from NJM2103D (IC950).
Ground.
Sircs signal input.
Power switch input terminal.
5.1ch LED drive.
Power supply (+5V).
Bass boost LED drive.
Line mute drive.
SL mute drive.
Input for model select.
Key in 4.
Key in 3.
Key in 2.
Key in 1.
SR mute drive.
Key out 15.
Key out 14.
Key out 13.
Key out 12.
Key out 11.
Key out 10.
Key out 9.
Key out 8.
Key out 7.
Connect to –24V.
Key out 6.
Key out 5.
Key out 4.
Key out 3.
Key out 2.
Key out 1.
Fluorescent indicator tube drive.
Pin Name
VOLUME UP
VOLUME DOWN
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
• IC201
µ
PD78044FGF-064-3B9









Fluorescent indicator tube drive.







Fluorescent indicator tube drive.
— 3 — — 4 — — 5 — — 6 —
SECTION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
SP SW (A) board
PRIMARY board
SECONDARY board
STBY board
MIX board
VOLUME board
VR-TONE board
KEY board
DISPLAY board
SP SW (B) board
SW board
MAIN board
LOCATION AND FUNCTION OF CONTROLS
<FRONT>
<REAR>
1 2 3 5 4 6
7 8 9 !º !¡ !™ !£
!¢
!∞
!§
!¶
!•
!ª
@º
@¡ @™ @£ @¢ @∞
1 2
3 4 5 6 7 8 9 !º !™ !£
!¡
1
POWER switch
2 CENTER LEVEL +, – buttons
3
REAR LEVEL +, – buttons
4 STANDBY indicator
5
FUNCTION indicators
6
MASTER VOLUME control
7
BALANCE control
8
TREBLE control
9 BASS control
!º
BASS BOOST button/indicator
!¡ SURROUND ON/OFF button
!™
MODE button
!£
EFFECT/DELAY TIME, SET UP buttons
!¢
TAPE/MD button
!∞
PHONO button
!§ TV/LD button
!¶
TUNER button
!• VIDEO button
!ª
CD button
@º
DIRECT button
@¡
SHIFT button
@™
Numeric buttons
@£ Tuner control buttons
@¢
PHONES jack
@∞ SPEAKERS (A/B) buttons
1
WOOFER
2
AC OUTLET (EXCEPT UK)
3
AC power cord
4
FRONT SPEAKERS (A/B)
5 SURROUND SPEAKERS (CENTER)
6
SURROUND SPEAKERS (REAR)
7 VIDEO
8
TV/LD
9
TAPE/MD
!º
CD
!¡
PHONO
!™ ANTENNA (FM/AM)
!£
SIGNAL GND