— 25 —
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 µPD78044FGF-112-3B9
Summary of Contents for STR-DE425 - Fm Stereo/fm-am Receiver
Page 8: ...STR DE425 9 10 3 3 SCHEMATIC DIAGRAM DISPLAY SECTION ...
Page 10: ...STR DE425 13 14 3 5 SCHEMATIC DIAGRAM POWER SECTION ...
Page 13: ...STR DE425 19 20 3 8 SCHEMATIC DIAGRAM MAIN SECTION 1 3 ...
Page 14: ...STR DE425 21 22 3 9 SCHEMATIC DIAGRAM MAIN SECTION 2 3 ...
Page 15: ...STR DE425 23 24 3 10 SCHEMATIC DIAGRAM MAIN SECTION 3 3 ...
