Sony RDR-HX820, Service Manual

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5-1
SECTION 5
IC PIN FUNCTION DESCRIPTION
RDR-HX820/HX825
5-1. IT CONTROL IC
(IC603: M306H5MG-A14FP, M306H5MC-C36FP (AV-106 BOARD))
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Pin No. Pin Name
ONDO
SIRCSIN
AVLINK-IN
FLD_DATA
FLD_IN
FLD_CLK
BYTE
CNVSS
XCIN
XCOUT
_RESET
XOUT
VSS
XIN
VCC1
_NMI
INT_RTC
_IT_REQ
SLICE
IT_XRST
DIMMER
JUST_CLK_2
RISM_STATUS2
P75
P74
P73
AVLINK-OUT
TU_SCL_1
TU_SDA_1
VSS2
LP2
LP3
LP4
VDD2
TEST1
M1
SLICEON
IT_SOUT
IT_SIN
IT_SCLK
RISM_RTS_O
IR_TXO
IR_RXO
ATT_XDTT_SEL
RISM_STATUS1
CLKOUT
PCONT
FAN_DET
FAN_ONOFF
FAN_SPEED
I/O
I
I
I
O
I
O
I
I
I
O
I
O
I
—
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
—
—
—
O
O
I
O
I
O
I
O
I
—
O
I
O
O
Function
Detection of board temperature
Input of remote control signal
Input of AV LINK scart signal
Output of FLD data signal
Fixed at “L”
Output of FLD clock signal
Fixed at “L”
Connected to GND when the flash is overwritten is VCC
Input of sub-clock signal (32.768KHz)
Not used
Input of system reset signal
Output of main-clock signal (10MHz)
Digital GND
Input of main-clock signal (10MHz)
Power supply input (Digital 5.0V)
Fixed at “H”
Input of RTC INT signal from Real Time Clock
Input of communication request signal with system controller
Input of slicer operation detection from 37 pin
Output of communication reset signal with RISM 3
Output of LED power supply switch
Not used
Output of communication status 2 signal with system controller
Not used
Not used
Not used
Output of AV LINK signal
Output of IIC clock signal
Input/output IIC data signal
Analog GND
Output of filter signal 2 (for Fsc)
Output of filter signal 3 (forVPS)
Output of filter signal 4 (for PDC)
Power supply input (Analog 5V)
Fixed at “L”
Fixed at “L”
Output of slicer operation detection
Output of serial TXD 1 signal with system controller
Input of serial RXD 1 signal with system controller
Output of serial CLK 1 signal with system controller
Input of RTS signal with system controller
Output of serial TXD O signal wth Ir-CON (HX825 model)
Input of serial RXD O signal wth Ir-CON (HX825 model)
Not used
Input of communication status 1 signal with system controller
Digital GND
Output of system power control switching signal
Input of fan stopping detect signal
Output of fan on/off signal (“H”:fan on)
Output of fan direction speed switching signal (“H”:high speed)