Sony HTC-V5550, Руководство по обслуживанию

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• VIDEO BOARD IC502 M30620MC-302FP (CD MECHSNIAM CONTROLLER)
Pin No.
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
I/O
I
O
O
O
O
I
I
I
—
O
O
I
O
—
I
—
I
I
I
I
O
O
I
O
I
I
O
O
I
I/O
O
I/O
O
I
O
O
—
I
O
O
I
Description
Internal status (SENSE) signal input from the CXD2545Q (IC101)
Sense serial data reading clock signal output to the CXD2545Q (IC101)
Serial data output to the CXD2545Q (IC101)
Serial data latch pulse output to the CXD2545Q (IC101)
Serial data transfer clock signal output to the CXD2545Q (IC101)
Disc tray status detection signal input terminal Not used (open)
Remote control signal input terminal Not used (open)
External data bus line byte selection signal input “L”: 16 bit, “H”: 8 bit (fixed at “L”)
Ground terminal
Muting on/off control signal output to the CXD2545Q (IC101) “H”: muting on
RF equalizer selection signal output terminal “L”: double speed
Reset signal input from the system controller (IC501) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
Main system clock output terminal (10 MHz)
Ground terminal
Main system clock input terminal (10 MHz)
Power supply terminal (+5V)
Non-maskable interrupt input terminal (fixed at “H” in this set)
Subcode sync (S0+S1) detection signal input from the CXD2545Q (IC101)
Former type: UART communication data input from the expansion (IC402)
New type: Not used (open)
Interrupt request signal input from the MPEG video/audio decoder (IC505)
Command selection signal output to the MPEG video/audio decoder (IC505)
Serial data latch pulse output to the D/A converter (IC509) “L” active
Ready status detection signal input from the MPEG video/audio decoder (IC505)
Reset signal output to the MPEG video/audio decoder (IC505) “L”: reset
Rotary encoder jog dial pulse input terminal Not used (fixed at “H”)
Rotary encoder jog dial pulse input terminal Not used (fixed at “H”)
RF equalizer selection signal output terminal “H”: double speed
Laser on/off selection signal output to the CXA1821M (IC103) “H”: laser on
Former type: Communication data receive input from the expansion (IC402)
Newtype:Communication data reading clock signal input or transfer clock signal output with the
system controller (IC501) and fluorescent indicator tube driver (IC601)
Former type: Communication data transmit output to the expansion (IC402)
Newtype:Communication data bus with the systemcontroller (IC501) and fluorescent indicator
tube driver (IC601)
Serial data output to the MPEG video/audio decoder (IC505) and D/A converter (IC509)
Serial data input from the MPEG video/audio decoder (IC505)
Serial data transfer clock signal output to the MPEG video/audio decoder (IC505) and D/A
converter (IC509)
Sharpness control signal output of the video signal (Y signal) “H” active (“L”: normal)
Not used (open)
Sub-code Q data input from the CXD2545Q (IC101)
Sub-code Q data reading clock signal output to the CXD2545Q (IC101)
Power on/off control signal output terminal Not used (open)
Ready signal input terminal Not used (fixed at “H”)
Pin Name
SENSE
SENSE CLK
DSP DATA
DSP LATCH
DSP CLK
TSENS
REMOTE IN
BYTE
VSS
DSP MUTE
CTRL1
XRESET
XOUT
VSS
XIN
VCC
NMI
SCOR
ITOU
CL680 HINT
CL680 SEL
DF LATCH
CL680 HRDY
CL680 RESET
JOG1
JOG2
CTRL2
LDON
RXD
CLK
TXD
DATA
DATA1O
DATA1I
CLK1
SHARPNESS
XVLEVEL. DOWN
SUBQ DATA
SUBQ CLK
P.ON
BUS XRDY
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