Sharp DV-RW550U - Page 102

1-18-5
E9656PIN
Notes:
Abbreviation for Active Level:
PWM ----- Pulse Wide Modulation
A/D -------- Analog - Digital Converter
80 IN
VCR
POWER-
SAFETY
VCR Power Supply Safety
Signal
81 IN END-S
Tape End Position Detect
Signal
82 IN AFC
Automatic Frequency Control
Signal
83 IN V-ENV
Video Envelope Comparator
Signal
84 IN
PG-
DELAY
Video Head Switching Pulse
Signal Adjusted Voltage
85 IN KEY-2 A/D Key Data Signal 2
86 IN KEY-1 A/D Key Data Signal 1
87 IN LD-SW
Deck Mode Position Detector
Signal
88 IN ST-S
Tape Start Position Detector
Signal
89 IN
FAN-
LOCK
Fan Motor Lock Detection
90 - NU Not Used
91 OUT
FAN-
CONT1
Fan Motor Control Signal
92 - NU Not Used
93 - NU Not Used
94 OUT VCR-LED
VCR Mode LED Signal Output
95 OUT DVD-LED
DVD Mode LED Signal Output
96
OUT
CONV-
SW
RF Conv. Output Channel
Switching Signal 3ch=”Hi-z”,
4ch=”L”
97 OUT TV/VCR
RF Conv. ON/OFF Signal
98 OUT C-ROTA
Color Phase Rotary
Changeover Signal
99 OUT H-A-SW
Video Head Amp Switching
Pulse
100 IN
H-A-
COMP
Head Amp Comparator Signal
Pin
No.
IN/
OUT
Signal
Name
Function
IC571 (FIP DRIVER)
Pin
No.
In/Out
Signal
Name
Name Function
1
IN CLK Clock Input
2
IN STB Serial Interface Strobe
3
-NU
4
-NU
5 -
VSS
Power
Ground
Supply
Power
Ground
Supply
6 -
VDD
7
OUT a
Segment Output
8
OUT b
9
OUT c
10
OUT d
11
OUT e
12
OUT f
13
OUT g
14
OUT h
15 -
VEE P
Segment Output
ull Down Level
16
OUT i
17
OUT
7G
Grid Output
18
6G
19
5G
20
4G
21
3G
22
2G
23
1G
24 -
VDD
25 -
VSS
26
IN OSC Oscillator Input
27
-NU
28
IN DIN Serial Data Input
Not Used
Not Used
Not Used