1-14-1
E7H20PIN
IC PIN FUNCTION DESCRIPTIONS
IC1501 (SUB MICRO CONTROLLER)
Pin
No.
IN/
OUT
Signal
Name
Function
1
IN
KEY-1
Key Data Input 1
2
IN
KEY-2
Key Data Input 2
3
IN
POW-SW
Abnormal Voltage Detection
4
IN
AFT
Tuner Voltage Input Signal
5
-
FLASH-
VPP
Flash Writing Voltage
6
IN
VCC
+3.3V Power Supply
7
IN
VCC
+3.3V Power Supply
8
OUT XOUT
Main Clock Output
9
IN
XIN
Main Clock Input
10
-
GND
Ground
11
IN
XCIN
Sub Clock Input
12 OUT XCOUT
Sub Clock Output
13
-
GND
Ground
14
IN
RESET
Micro Controller Reset
Signal
15
-
NU
Not Used
16
-
NU
Not Used
17
-
NU
Not Used
18 OUT SUB-TXD
Transmission Data to Main
Micro Controller
19
IN
SUB-RXD
Reception Data from Main
Micro Controller
20 OUT SUB-SCLK
Communication Clock with
Main Micro Controller
21
-
NU
Not Used
22 OUT
SYS-
RESET
System Reset Signal
23
-
NU
Not Used
24
-
NU
Not Used
25
-
NU
Not Used
26 OUT 1V2CONT
Power Regulator Control
Signal
27
IN
REMOTE
Remote Signal Input
28
-
NU
Not Used
29
IN
RDY
Ready/Busy communication
Control with Main Micro
Controller
30
IN
P-DOWN
Power Voltage Down
Detector Signal
31 OUT FL-SEL
FL Select (Low Level)
32
-
NU
Not Used
33
IN/
OUT
SDA
Serial Data
34 OUT SCL
Serial Clock
35
IN/
OUT
FLASH-
SDA
Serial Data Signal for Flash
36 OUT
FLASH-
SCL
Serial Clock Signal for Flash
37
-
NU
Not Used
38
-
NU
Not Used
39 OUT
AUDIO-
SW2
Audio Input Select Signal 2
40 OUT
AUDIO-
SW1
Audio Input Select Signal 1
41 OUT
VIDEO-
SW1
Video Input Select Signal 1
42 OUT
VIDEO-
SW2
Video Input Select Signal 2
43 OUT
VIDEO-
SW3
Video Input Select Signal 3
44 OUT
VIDEO-
MUTE
Video Mute Control Signal
45
-
NU
Not Used
46 OUT
DTV1.05V-
CONT
DTV1.05 Control Signal
47
-
NU
Not Used
48 OUT FL-DIN
FL Serial Data
49 OUT FL-STB
FL Serial Interface Strobe
50 OUT FL-CLK
FL Serial Clock
51
-
NU
Not Used
52 OUT
REG-
CONT
Power Regulator Control
Signal
53 OUT PWSW
Power On Signal Output
54
-
NU
Not Used
55
-
NU
Not Used
56
-
NU
Not Used
57
-
NU
Not Used
58
-
NU
Not Used
59
-
NU
Not Used
60
-
NU
Not Used
61
-
GND
Ground
62
-
NU
Not Used
63
-
NU
Not Used
64
-
NU
Not Used
Pin
No.
IN/
OUT
Signal
Name
Function
Summary of Contents for ZC350SL8
Page 1: ...SERVICE MANUAL DVD RECORDER ZC350SL8...
Page 27: ...1 10 4 AV 2 5 Schematic Diagram E7H20SCAV2...
Page 28: ...1 10 5 E7H20SCAV3 AV 3 5 Schematic Diagram...
Page 29: ...1 10 6 E7H20SCAV4 AV 4 5 Schematic Diagram...
Page 32: ...1 10 9 SW Schematic Diagram E7H20SCSW...
Page 38: ...1 10 15 DTV Module 1 2 Schematic Diagram E7H20SCDTV1...
Page 39: ...1 10 16 DTV Module 2 2 Schematic Diagram E7H20SCDTV2...
Page 40: ...1 10 17 AV CBA Top View BE7H50F01013A...
Page 44: ...1 10 21 BE7H50F01013C SW CBA Top View SW CBA Bottom View...
Page 49: ...1 13 3 R4NTI Push close 0 08 V 0 02 s Push Close detection Threshold level...