SU-HTB500EB, SU-HTB500EEK, SU-HTB500EG, SC-HTB500EB, SC-HTB500EE, SC-HTB500EG - Panasonic Audio Service Manual (repair manual). Page 104

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104
18.2. IC2002 (RFKWMHTB10PB) IC MICRO PROCESSOR
No.
Port
I/O
Function Name
1
IN2_5V
I
Detection of connection to 
HDMI IN2
2
IN1_5V
I
Detection of connection to 
HDMI IN1
3
NC
-
No Connection
4
M_CS
I
Communication to MAIN 
uCOM
5
REM
I
Remote control Input (For 
Power-On)
6
VSYNC_COUNT
I
VSYNC Monitor for Source
7
NC
-
No Connection
8
BYTE
-
Ground
9
CNVSS
-
Vss for on board programming
10
XCIN
I
Sub clock at 32.768KHz
11
XCOUT
O
Sub clock at 32.768KHz
12
RESET
I/O
For on board programming
13
XOUT
O
Main clock at 4MHz
14
VSS
-
Ground
15
XIN
I
Main clock at 4MHz
16
VCC1
-
Main power supply
17
CEC I/O
I/O
CEC IN/OUT
18
VSYNC_MONI
I
VSYNC Monitor for Source
19
TX_INT
I
Interrupt from HDMI TX
20
RX_INT
I
Interrupt from HDMI RX
21
IDROM_DT
I/O
IDROM SDA (I2C)
22
IDROM_CK
I/O
IDROM SCL (I2C)
23
NC
-
No Connection
24
SW_RST
O
Reset of HDMI SW
25
WRITESEL
O
IN3 EDID ROM write enable 
select
26
RX1_SCL
O
IN3 EDID ROM SCL (I2C)
27
RX1 SDA
O
IN3 EDID ROM SDA (I2C)
28
CLK
I
Communication to MAIN 
uCOM (Clk)
29
SI
I
Communication to MAIN 
uCOM (Serial I/P)
30
SO
O
Communication to MAIN 
uCOM (Serial O/P)
31
UPCON_SDA
O
For on board programming
32
UPCON_SCL
I
For on board programming
33
Flash_SCLK
O
For on board programming
34
Flash_BUSY
O
For on board programming
35
I2C SDA
I/O
HDMI TX SDA (I2C)
36
I2C SCL
I/O
HDMI TX SCL (I2C)
37
GND
-
Ground
38
TX_RESET
O
Reset of HDMI TX
39
RX_RESET
O
Reset of HDMI RX
40
NC
-
No Connection
41
Flash_EPM
I
For on board programming
42
HDMI_POWER
O
HDMI power control
43
MAIN_POWER
O
To Main power control
44
NC
-
No Connection
45
HDMI_LED
-
No Connection
46
Flash_CE
I
For on board programming
47
NC
-
No Connection
48
NC
-
No Connection
49
CEC_OUT
-
No Connection
50
NC
-
No Connection
51
NC
-
No Connection
52
NC
-
No Connection
53
AMUTE
O
HDMI Audio MUTE (Active 
High)
54
DCDET
O
Output of Voltage check 
(F76=H)
55
NC
-
No Connection
56
NC
-
No Connection
57
NC
-
No Connection
58
NC
-
No Connection
59
NC
-
No Connection
60
NC
-
No Connection
61
NC
-
No Connection
62
VCC2
-
Main power supply
63
NC
-
No Connection
64
VSS
-
Ground
65
NC
-
No Connection
66
NC
-
No Connection
67
5V_DET
I
Connect to Diode
68
M_RST
I
Reset from MAIN uCOM
69
TX_DDC_CK
I/O
TX DDC SCL (I2C)
70
TX_DDC_DA
I/O
TX DDC SDA (I2C)
71
RX1_5V_DET
I
Detection of connect to HDMI 
IN3
72
RX0_5V_DET
I
Detection of connect to HDMI 
IN1 or IN2
73
Key 1
-
Not Used
74
RX_SCDT
I
HDMI RX data
75
TX_HPD
I
Hot Plug Detect of HDMI Sink
76
RX1_HPD
O
Hot Plug Detect out to HDMI 
IN3
77
RX0_HPD
O
Hot Plug Detect out to HDMI 
IN1 or IN2
78
SW_INT
I
Interrupt from HDMI SW
79
STBY_H
O
Audio output enable control
80
NC
-
No Connection
81
NC
-
No Connection
82
NC
-
No Connection
83
NC
-
No Connection
84
NC
-
No Connection
85
NC
-
No Connection
86
NC
-
No Connection
87
NC
-
No Connection
88
NC
-
No Connection
89
RX1_5V_DET
I
Detection of connect to HDMI 
IN3
90
RX0_5V_DET
I
Detection of connect to HDMI 
IN1 or IN2
91
IN2_5V
I
Detection of connection to 
HDMI IN2
92
IN1_5V
I
Detection of connection to 
HDMI IN1
93
NC
-
No Connection
94
V_CHECK
I
Check of power supply voltage
95
REQ
O
Communication to MAIN 
uCOM
96
AVSS
-
Ground
97
NC
-
No Connection
98
VREF
-
Power supply
99
AVCC
-
Main power supply
100
NC
-
No Connection
No.
Port
I/O
Function Name

Display

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