Sony RDR-GX300 Service Manual page 91

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5-1. IT CONTROL IC (IC603: M603H2MC-511FPUO (AV-84 BOARD))
Pin No. Pin Name
1 TU_S/B_D
2 SIRCS IN
3 JUSTCLK
4 AV_LINK_IN
5 CSYNC
6 FAN_DET
7 BYTE
8 CNVSS
9 XCIN
10 XCOUT
11 XRESET
12 XOUT
13
14
15
16 XNMI
17 SYNC_V
18 IT_REQ
19 SLICEON_IN
20
21 LED DIMMER
22 AREA1
TE
L 13942296513
23 BUZZER
24
25 STB_CNT
26 AREA0
27 AV_LINK_OUT
28 TXT_SCL
29 TXT_SDA
30
31
32
33
34 VDD2
35
36
37 SLICEON
38 ITSOUT
39 ITSIN
40 ITSCLK
41
42 FLD_DATA
43 FLD_IN
44 FLD_CLK
45 EPG SW1
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46 EPG SW2
47 LED_STB
48 FL_PCONT
.
49 FLD_XRESET
50 FLD_CS
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IC PIN FUNCTION DESCRIPTION
I/O
I Tuner Stereo detection L: Stereo
I Remote control signal input
I Timer pulse input Fixed to digital GND
I Not used
I Composite sync signal input
I Fan rotation control at power ON, L: Fan rotating, H: Fan stopped
– Fixed to digital GND
Connected to VCC when the FLASH is overwritten
I 32KHz oscillator input
O 32KHz oscillator output
I Reset signal input
O 10 MHz oscillator output
VSS – Digital GND
XIN I 10 MHz oscillator input
VCC – Analog power 6 V
I Analog power 6 V
I V sync signal detection
I Signal input for communication request from HOSTIC
I Signal input during slicer operation
N.C. O Fixed to digital GND
O Signal output for LED dimmer pulse
I Destination input 1
O Fixed to digital GND
N.C. – Fixed to digital GND
– Fixed to digital GND
I Destination input 0
O Fixed to digital GND
– Fixed to digital GND
– Fixed to digital GND
VSS2 – Fixed to digital GND
LP2 O Filter signal output 1 (For Fsc)
LP3 – Filter signal output
LP4 O Filter signal output 1 (For PDC)
– Backup power 5 V
M2 –
M1 – Fixed to digital GND
O Slicer operation detection H: Operating
O Data signal output (HOST / overwriting FLASH by dedicated writer)
I Data signal input (HOST / overwriting FLASH by dedicated writer)
O Clock signal output for host communication
H/B I DVD/HDD judge signal input
O SO signal output for FLD
I Fixed to digital GND
O SCLK signal output for FLD
–
–
x ao
y
O Strobe signal output for FLD drive
O Power control signal output of D/DCONV for FLD H: ON, L: OFF
i
O Reset signal output for FLD drive H: NORMAL, L: RESET
O Chip select signal output for FLD drive
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SECTION 5
8
Q Q
3 6 7 1 3
u163
.
5-1
RDR-GX300/GX700
2 9 9 4 2 8
Function
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9