Read Sony STR-DE425 Service Manual online
STR-DE425
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
—
O
O
I
O
O
O
O
I
I
I
I
—
O
O
O
—
I
I
I
I
—
—
—
—
—
O
I
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.
Relay control.
Relay control.
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 NJM2279 (IC251).
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
3-11.
IC PIN FUNCTION DESCPIRTION
• IC201
µ
PD78044FGF-112-3B9
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
—
I
I
I
I
—
I
O
O
—
O
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.
Not used. (Open)
System power ON/OFF.
RDS data input.
RDS clock input.
Stop signal input from NJM2103D (IC950).
Ground.
Sircs signal input.
Muting LED drive.
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
NC
SYS. POWER
RDS. DATA. IN
RDS. CLK. IN
STOP
Vss
SIRCS
MUTING
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
Fluorescent indicator tube drive.
Fluorescent indicator tube drive.
— 25 —
— 26 —
Click on the first or last page to see other STR-DE425 service manuals if exist.