Sony HCD-LV100AV Service Manual page 59

• VIDEO BOARD IC502 M30620MC-A17FP
Pin No. Pin Name
1 SENSE
2 SENSE CLK
3 DSP DATA
4 DSP LATCH
5 DSP CLK
6 TSENS
7 REMOTE IN
8 BYTE
9 VSS
10 DSP MUTE
11 CTRL1
12 XRESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 SCOR
19 DSENS
20 CL680 HINT
21 CL680 SEL
22 DF LATCH
23 CL680 HRDY
24 CL680 RESET
25 JOG1
26 JOG2
27 CTRL2
28 LDON
29 CLK
30 DATA
31 DATA1O
32 DATA1I
33 CLK1
34 SHARPNESS
35 XVLEVEL. DOWN
36 SUBQ DATA
37 SUBQ CLK
38 P.ON
39 BUS XRDY
40 BUS
41 BUS XHOLD
(CD MECHANISM CONTROLLER)
I/O
I Internal status (SENSE) signal input from the CXD3008Q (IC101)
O
Sense serial data reading clock signal output to the CXD3008Q (IC101)
O
Serial data output to the CXD3008Q (IC101)
O
Serial data latch pulse output to the CXD3008Q (IC101)
O
Serial data transfer clock signal output to the CXD3008Q (IC101)
I
Disc tray status detection signal input terminal Not used
I
Remote control signal input terminal Not used (open)
I External data bus line byte selection signal input "L": 16 bit, "H": 8 bit (fixed at "L")
—
Ground terminal
O
Muting on/off control signal output to the CXD3008Q (IC101) "H": muting on
Clock selection signal output to the CXD3008Q (IC101)
O
"L": 16.9344 MHz (double speed), "H": 33.8688 MHz
Reset signal input from the system controller (IC501) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Main system clock output terminal (10 MHz)
—
Ground terminal
I Main system clock input terminal (10 MHz)
—
Power supply terminal (+5V)
I
Non-maskable interrupt input terminal (fixed at "H" in this set)
I
Subcode sync (S0+S1) detection signal input from the CXD3008Q (IC101)
I
Disc status detection signal input terminal Not used
I
Interrupt request signal input from the MPEG video/audio decoder (IC505)
O
Command selection signal output to the MPEG video/audio decoder (IC505)
O Serial data latch pulse output to the D/A converter (IC509) "L" active
I
Ready status detection signal input from the MPEG video/audio decoder (IC505)
O
Reset signal output to the MPEG video/audio decoder (IC505) "L": reset
I
Rotary encoder jog dial pulse input terminal Not used (fixed at "H")
I Rotary encoder jog dial pulse input terminal Not used (fixed at "H")
O
Laser power selection signal output to the CXA2568M (IC103) "H": double speed
O
Laser on/off selection signal output to the CXA2568M (IC103) "H": laser on
Communication data reading clock signal input or transfer clock signal output with the system
I/O
controller (IC501) and fluorescent indicator tube driver (IC601)
Communication data bus with the system controller (IC501) and fluorescent indicator tube driver
I/O
(IC601)
O
Serial data output to the MPEG video/audio decoder (IC505) and D/A converter (IC509)
I
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
O
converter (IC509)
O Sharpness control signal output of the video signal (Y signal) "H" active ("L": normal)
O
Not used (open)
I
Sub-code Q data input from the CXD3008Q (IC101)
O Sub-code Q data reading clock signal output to the CXD3008Q (IC101)
O
Power on/off control signal output terminal Not used (open)
I
Ready signal input terminal Not used (fixed at "H")
O
Not used (open)
I Hold signal input terminal Not used (fixed at "H")
Description
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