Sony HCD-J300 Service Manual page 69

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• IC1001 M30805MG-205GP SYSTEM CONTROL (DIGITAL BOARD)
Pin No. Pin Name
1 —
2 —
3 LVLI
4 LVL0
5 (TXD3)
6 (RXD3)
7 (CLK3)
8 MUTE
9 DARST
10 SLICERSEL
11 LD-LOW
12 LDIN
13 LDOUT
14 MOD
15 BYTE
16 CNVSS
17 X-CIN
18 X-COUT
19 RESET
20 XOUT
21 VSS0
22 XIN
TE
L 13942296513
23 VCC0
24 NMI
25 DQSY
26 P.DOWN
27 SQSY
28 NC
29 LDON
30 LIMIT-IN
31 C2-PWM-B
32 XINIT
33 —
34 XELT
35 WR PWR
36 IIC CLK
37 IIC DATA
38 SWDT
39 VCC1
40 SRDT
41 VSS1
42 SCLK
43 REC-SW
44 CLIP DTO
45 CLIPDTI
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46 CLIP CLK
47 DIG-RST
48 SENS
.
49 PLAY-SW
50 XLAT
51 OUT-SW
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I/O
— Not used
— Not used
— Not used
— Not used
— Not used
— Not used
— Not used
O Line out muting output L: Muting
O Reset signal output to the D/A converter L: Active
O IEC958 input select signal output to the D/A converter L: CD H: MD
O Loading motor voltage control output L: High voltage H: Low voltage
I Loading motor control input H: IN
O Loading motor control output H: OUT
O Laser modulation switching signal output L: OFF H: ON
I Data bus changed input (Connected to ground)
— Ground
O Sub clock input (32.768kHz) (Not used)
O Sub clock output (32.768kHz) (Not used)
I System rest input L : ON
O Main clock output (10MHz)
— Ground
I Main clock input (10MHz)
— Power supply (+3.3V)
I Fixed at H (Pull-up)
I Digital in sync input (Record system)
I Power down detection input L: Power down
I ADIP (MO) sync or subcode Q (PIT) sync input from CXD2662R (Playback system)
— Not used
O Laser ON/OFF control output H: Laser ON
I Detection input from the limit switch L: Sled limit-In H: Sled limit-Out
— Not used
I Interrupt status input from CXD2662R
— Not used
I XELT input from DSP IC
O Write power ON/OFF output L: OFF H: ON
I/O IIC serial clock input/output
I/O IIC serial data input/output
O Writing data signal output to the serial bus
— Power supply (+3.3V)
I Reading data signal input from the serial bus
— Ground
O Clock signal output to the serial bus
I Detection signal input from the recording position detection switch L: REC
O CLIP serial data output
I CLIP serial data input
O CLIP serial clock output (Not used)
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O Digital rest signal output to the CXD2662R and motor driver L: Reset
I Internal status (SENSE) input from the CXD2662R
i
I Detection signal input from the playback position detection switch L: PLAY
O Latch signal output to DSP IC
I Detection signal input from the loading out detection switch
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Description
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