Cpu Port Functions - Sanyo CP14CE1 Service Manual

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CPU Port Functions

Pin No.
Function Name
1
SIFout
2
IFAGC-F
3
SIF-IN
4
FM-F
5
FMout
6
Aud out
7
SND-APC-F
8
IF-Vcc
9
VM/Ext-A-IN
10
ABL
11
RGB Vcc
12
R-Out
13
G-Out
14
B-Out
15
NC
16
Vramp
17
V-out
18
Iref
19
H-Vcc
20
AFC-F
21
H-out
22
VCD-GND
23
Power Fail IN
24
S-TERM IN
25
STATUS IN
26
Remote IN
27
P14/PWM1
28
P15/PWM2
29
ON-TIMER LED OUT On timer led out function
30
MUTE OUT
31
IIC SDA1
32
IIC SCK1
33
X'tal
34
X'tal
35
5V
36
Power Out
37
Bass Expander
ON/OFF OUT
38
VIF M OUT
/Bilingual Out
39
AD KEY IN
40
RESET
41
FILT
42
GND
43
CCD-Vcc
44
FBP-IN
45
YC-C
46
YC-Y
Function
SIF Output (NICAM)
IF AGC Filter
SIF Input
Filter for the DC loop of FM detector
FM detector output
Audio output
Snd VCO frequency is locked at 500kHz from SIF
DC Supply pin for IF circuit
External audio signal input
Auto Beam Limiter function
Vcc input pin of RGB output block function
R signal output pin function
G signal output pin function
B signal output pin function
Not Connected
To generate a ramp waveform for the reference V-out
Output pin of vertical synchronization ramp signal
Producing reference current function
Vcc of Horizontal deflection and BUS interface
AFC Filter pin of horizontal VCO function
Horizontal output pin
Video Chroma Deflection GND
Power Fail Input function
S-Video input
Factory PC mode status (L=ON)
Remote Control signal receiver
Mute out function
IIC-Bus Data Line
IIC-Bus Clock Line
Crystal Oscillator
Crystal Oscillator
Supply (5V)
Power On/Off signal output
Bass Expander On/Off function
VIF M Out/Bilingual Out function
Key signal input
RESET pin function
FILT pin function
Ground
Vcc (5V) pin for 1H delay-line
Fly Back Pulse Input
Y/C-C Input function
Y/C-Y Input function
Pin No.
Function Name
47
C-APC2
48
DVD-Y
49
CB-IN
50
X'tal
51
CR-IN
52
SVO/FSC
53
C-APC-F
54
Ext-Video-IN
55
VCD-Vcc
56
Int-Video-IN
57
Blk-F
58
PIF-APC-F
59
AFT
60
Video out
61
RF AGC
62
IF-GND
63
VIF IN
64
VIF IN
-7-
Function
AFC filter pin of chroma VCO. (3.58MHz)
DVD-Y Input
C
Input (for DVD)
B
4.43MHz Crystal
C
Input (for DVD)
R
Selected Video Output or FSC Output
Chroma APC Filter
Ext Video Input & Y Input in S-VHS mode
Video Chroma Deflection VCC
Int. Video Input & Chroma Signal Input in S-
VHS mode
Black peak level detection in black stretch circuit.
APC filter pin for PLL circuit function.
Automatic Fine Tuning Output pin
Video Output pin
RF AGC Output pin
Ground of IF circuit
PIF input pin
PIF input pin

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