Ic Pin Function Descriptions - Philips 21PV385 Service Manual

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Comparison Chart of Models and Marks
Model
21PV385/07
21PV385/01
21PV385/58
21PV385/39
IC 201 (TV/VCR Micro Controller)
Pin
IN/
Signal
Mark
No.
OUT
Name
NU
1
-
P-SAFETY 2
2
IN
P-SAFETY 1
3
IN
END-SENS
4
IN
IN
AFC
5
V-ENV
6
IN
KEY-1
7
IN
KEY-2
8
IN
LD-SW
9
IN
ST-SENS
10
IN
NU
11
-
NU
12
-
IN/
DV SYNC
13
OUT
REMOTE
14
IN
OUT C-ROTA
15
OUT H-A-SW
16
NU
17
-
OUT RF-SW
18
NU
19
-
OUT A-MUTE-H
20
NU
21
-
NU
22
-
OUT REC-LED
23
OUT REC-LED
24

IC PIN FUNCTION DESCRIPTIONS

Mark
A
B
C
D
"H" ≥ 4.5V, "L" ≤ 1.0V
Function
Not Used
Power Supply
Failure Detection 2
Power Supply
Failure Detection 1
End-Sensor
Automatic
Frequency Control
Signal
Video Envelope
Input
Key 1 Input
Key 2 Input
Loading Switch
Input
Start-Sensor
Not Used
Not Used
Artificial V-Sync
Output
Remote Signal
Input
Color Phase Rotary
Changeover SIgnal
Video Head Amp
Switching Pulse
Not Used
Video Head
Switching Pulse
Not Used
Audio Mute Control
Signal (Mute = "H")
Not Used
Not Used
Recording LED
Control Signal
Recording LED
Control Signal
Pin
IN/
Mark
No.
OUT
25
-
26
-
27
-
28
-
29
OUT
30
-
31
IN
A,B,
-
C
32
D
IN
A,B,
-
C
33
IN/
D
OUT
34
IN
35
IN
OUT XCOUT
36
37
-
38
IN
OUT XOUT
39
40
-
OUT SPOT-KILL
41
OUT EXT-L
42
43
IN
OUT SP-MUTE
44
IN/
45
OUT
46
-
OUT D-REC-H
47
OUT SCART-H
48
49
-
50
-
51
-
52
-
1-12-1
Signal
Function
Name
NU
Not Used
NU
Not Used
NU
Not Used
NU
Not Used
RAPID-Switch Input
SCART-
Signal from Scart
MUTE
Jack
NU
Not Used
REC-
Record Protection
SAFETY
Tab Detection
NU
Not Used
SECAM Mode at
SECAM-H
High
NU
Not Used
Special Playback =
TRICK-H
"H" in SECAM
Mode
System Reset
RESET
Signal (Reset="L")
XCIN
Sub Clock 32 kHz
Sub Clock 32 kHz
TIMER+5V
Vcc
XIN
Main Clock Input
Main Clock Output
GND
GND
Counter-measure
for Spot
External Input or
Playback = Output
CLKSEL
Clock Select (GND)
Speaker Mute
Signal
White Balance
I2C-OPEN
Adjust Mode
Judgment
GND
GND
Delayed Record
Signal
Switching Signal of
Scart Jack and
RCA Jack
OSD-GND
OSD GND
NU
Not Used
NU
Not Used
NU
Not Used
T6552PIN

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21pv385/0721pv385/3921pv385/0121pv385/58

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