Sharp MD-MX30 Service Manual page 84

MD-MX30/MX30W
IC1201 VHiLR376484F1: ENDEC/ATRAC (LR376484F) (1/2)
Terminal Name Input/Output
Pin No.
1* EFMMON
2 AVCC
3 EFMI
4 AGND
5 AIN
6 EIN
7 TCG
8 BIN
9 FIN
10 VBAT
11 WBI
12 VDD1
13 DGND
14, 15 TEST0, TEST1
16 TEST2
17 X176KO
18 FODRF
19 FODRR
20 TRDRF
21 TRDRR
22 SLDRF
23 SLDRR
24 SPDRF
25 SPDRR
26 RAA3
27 RAA2
28 RAA1
29 RAA0
30* RAA10
31 VDD2
32 RAA4
33 RAA5
34 RAA6
35 RAA7
36 RAA8
37 RAOEX
38 DGND
39 RACASX
40 RAD2
41 RAD3
42 RAA9
43 RARASX
44 RAWEX
45 RAD1
46 RAD0
47* TCRS
48* ACRCER
49* PLCK
50 EFM0
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Output EFM monitor output
– Analog power
Input EFM signal input from the RF amplifier
– Analog ground
Input Focus error signal A
Input Tracking error signal E
Input Track cross signal
Input Focus error signal B
Input Tracking error signal F
Input Supply voltage detection signal for the constant voltage servo
Input ADIP wobble signal
– Digital power
– Digital ground
Input Test input.
Normally connected to GND.
Input Test input.
Switches between the encoder and decoder/servo mode and the ATRAC mode.
Normally connected to GND.
Output Clock output. f=176.4kHz (4fs)
Output Focus servo forward output, PWM.
Output Focus servo reverse output, PWM.
Output Tracking servo forward output, PWM.
Output Tracking servo reverse output, PWM.
Output Slide servo forward output, PWM.
Output Slide servo reverse output, PWM.
Output Spindle servo forward output or spindle servo output, PWM.
Output Spindle servo reverse output or spindle rotation forward/reverse selection
Output Address output to the external D-RAM, ADR3
Output Address output to the external D-RAM, ADR2
Output Address output to the external D-RAM, ADR1
Output Address output to the external D-RAM, ADR0 (LSB)
Output Address output to the external D-RAM, ADR10 (MSB)
– Digital ground
Output Address output to the exterminal D-RAM, ADR4
Output Address output to the exterminal D-RAM, ADR5
Output Address output to the exterminal D-RAM, ADR6
Output Address output to the exterminal D-RAM, ADR7
Output Address output to the exterminal D-RAM, ADR8
Output Data output enable signal output to the external D-RAM
– Digital ground
Output Column address strobe signal output to the external D-RAM
In/Output Data input/output to and from external D-RAM, D2
In/Output Data input/output to and from external D-RAM, D3 (MSB)
Output Address output to the external D-RAM, ADR9
Output Low address strobe signal output to the external D-RAM
Output Data write enable signal output to the external D-RAM
In/Output Data input/output to and from external D-RAM, D1
In/Output Data input/output to and from external D-RAM, D0 (LSB)
Output Track cross signal
Output ADIP CRC error flag monitor output
Output Playback: EFM PLL clock output
Output Recording: EFM signal output. Playback: CIF (CI error frag) monitor output
Function
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