Pioneer MJ-D508 Service Manual page 60

MJ-D508
LR376487 (IC102: CORE MAIN UNIT ASSY)
Encode/Decode/ATRAC
Pin Assignment (Top view)
TOTMON
TEMON
SBCK
SBO
SBSY
SFSY
FOK
SENSE
COUT
MCCK
DINTX
VDD1
DGND
RSTX
SYD0
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
SYD7
SYWRX
SYRDX
SYRS
Pin Function
No. Name I/O
∗
1 EFMMON O EFM monitor output
2 AVCC – Analog power supply
3 EFMI I EFM signal input from RF amp
4 AGND – Analog GND
5 AIN I Focus error signal A
6 EIN I Tracking error signal E
7 TCG I Track cross signal
8 BIN I Focus error signal B
9 FIN I Tracking error signal F
∗
10 VBAT I Power-supply voltage detection signal for
constant-voltage servo
11 WBI I ADIP wobble signal
12 VDD1 – Digital power supply
13 DGND – Digital GND
14 TEST0 I Test-use input;
normally connected to GND when used.
15 TEST1 I
16 TEST2 I Test-use input; Encoder/Servo Mode and ATRAC
Mode changeover
60
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
76
77
78
79
80
81
82
83
84
85
86
87
LR376487
88
89
90
91
92
93
94
95
96
97
98
99
100
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
Description
EFMO
50
PLCK
49
ACRCER
48
TCRS
47
RAD0
46
RAD1
45
RAWEX
44
RARASX
43
RAA9
42
RAD3
41
RAD2
40
RACASX
39
DGND
38
RAOEX
37
RAA8
36
RAA7
35
RAA6
34
RAA5
33
RAA4
32
VDD2
31
RAA10
30
RAA0
29
RAA1
28
RAA2
27
RAA3
26
No. Name I/O
17 X176KO O Clock output; f = 176.4kHz (4fs)
18 FODRF O Focus servo forward output; PWM
19 FODRR O Focus servo reverse output; PWM
20 TRDRF O Tracking servo forward output; PWM
21 TRDRR O Tracking servo reverse output; PWM
22 SLDRF O Slide servo forward output; PWM
23 SLDRR O Slide servo reverse output; PWM
24 SPDRF O Spindle servo forward output or spindle servo
output; PWM
25 SPDRR O Spindle servo reverse output or spindle rotation
forward/reverse changeover
26 RAA3 O Address output to external D-RAM; ADR3
27 RAA2 O Address output to external D-RAM; ADR2
28 RAA1 O Address output to external D-RAM; ADR1
29 RAA0 O Address output to external D-RAM; ADR0 (LSB)
∗
30 RAA10 O Address output to external D-RAM; ADR10 (MSB)
31 VDD2 – Power supply for DRAM interface
Description