1-14-2
E2B21PIN
Notes:
Abbreviation for Active Level:
PWM -----Pulse Wide Modulation
A/D--------Analog - Digital Converter
IC1503 (FRONT PANEL CONTROL)
72
-
VCC1-CONT VCC_OFF(91pin) Control
73
-
NU
Not Used
74
IN
P-DOWN
Power Failure Detection
75
IN
REMOTE2
Remote Control Sensor
76
-
NU
Not Used
77
OUT PWR-SW
HDD,DVD Power
Supply Control
78
OUT
FAN-CONT2 Fan Motor Control Signal
79
OUT
FAN-CONT1 Fan Motor Control Signal
80
OUT LOW-POW
PowerConsumption
Control
81
IN
AFT
Tuner AFT Voltage
82
IN
KEY-1
Key Scan Input Signal 1
83
IN
KEY-2
Key Scan Input Signal 2
84
IN
SAFETY1
Power Supply Abnormal
Watch(HDD,DVD,P-ON)
85
IN
SAFETY2
Power Supply Abnormal
Watch(EV)
86
IN
AGC
Tuner Electric Field
Strength Level
Judgment.
87
IN
FAN-LOCK
FAN Abnormality
Detection
88
IN
SC2-IN
Sub Micro Controller
Interface Chip Select
Signal Input
89
IN EPG-V-IN
Video Signal Input for
EPG
90
-
VDD2
VDD2
91
-
VCC-OFF
+3.3V Power Supply
Control (Usually=“L”/
Failure=“H”)
92
-
GND
GND
93
-
TEST1
Terminal for Test
94
-
LP-
VPS(LP3)
Filter Connection
95
-
LP-
PDC(LP4)
Filter Connection
96
-
GND
GND
97
-
NU
Not Used
98
IN
SYNC-IN
Video Signal Input for
SYNC Detection
99
-
AVcc
A/D Converter Power
Input/ Standard Voltage
Input
100
OUT FL-STB
VFD Control
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
Pin
No.
IN/
OUT
Signal
Name
Function
1
IN CLK
Clock
Input
2
IN STB
Serial Interface Strobe
3
-
NU
Not Used
4
-
NU
Not Used
5
-
VSS
GND
6
-
VDD
Power Supply
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
Pull Down Level
16 OUT i
Segment Output
17
OUT
7G
Grid Output
18
6G
19
5G
20
4G
21
3G
22
2G
23
1G
24
- VDD
Power
Supply
25
- VSS
GND
26
IN OSC
Oscillator
Input
27
-
NU
Not Used
28
IN DIN
Serial Data Input
Summary of Contents for HD-A2685
Page 1: ...SERVICE MANUAL HDD DVD RECORDER HD A2685 HD A2885 HD B2785 HD D2885 ...
Page 29: ...1 11 6 E2B25SCAV4 AV 4 5 Schematic Diagram ...
Page 30: ...1 11 7 E2B25SCAV5 AV 5 5 Schematic Diagram ...
Page 38: ...1 11 15 AV CBA Top View BE2B20F01042A ...
Page 64: ...HD A2685 HD A2885 HD B2785 HD D2885 E2B25 26ED 28BD 29ED 2006 11 21 ...
