AIWA CDC-X144 Service Manual - Page 3

Pin No., Pin Name, Pin Description

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CDC-R104/X104/X144 Pin No. 50 51 52 53 54 55 56 57 58 59 60 61 62 to 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Pin Name LRCK DVDD FD+ FD- TD+ TD- SD+ SD- MD+ MD- DGND TESTEN TEST4 to TEST0 ADGND EFM ASY ADVDD RFI EQ2 EQ1 RF- RF2- AGCO AGCI RFO ATEST C3T AGND A C B D F E VREFIN AVDD REFOUT REFC FE- FEO ADCIN TETEO TE2 TEC AGND PWMSW I/O Pin Description O Not used. (Connect to LRCKIN in this set) - Power supply pin (+3.3 V) O Focus servo drive PWM signal output (+) O Focus servo drive PWM signal output (-) O Tracking servo drive PWM signal output (+) O Tracking servo drive PWM signal output (-) O Sled servo drive PWM signal output (+) O Sled servo drive PWM signal output (-) O Spindle servo drive PWM signal output (+) O Spindle servo drive PWM signal output (-) - Ground I Test setting input (Fixed at L in this set) I Test setting input (Fixed at L in this set) - A/D converter power supply (-) pin O EFM signal output I EFM comparator reference voltage input - A/D converter power supply pin (+3.3 V) I RF signal input for EFM data growing. - Not used. (Open) - RF amplifier equalizer parts connection pin I Not used. (Open) I RF amplifier inversion input O RF signal output after on AGC. I RF AGC signal amplifier input O RF signal output before on AGC. I Not used. (Open) - Capacitor connection pin for 3T detection. - Ground I Signal input (A) from optical pick-up detector. I Signal input (C) from optical pick-up detector. I Signal input (B) from optical pick-up detector. I Signal input (D) from optical pick-up detector. I Signal input (F) from optical pick-up detector. I Signal input (E) from optical pick-up detector. I Reference voltage (+1.65 V) input - Analog power supply pin (+3.3 V) O Reference voltage (+1.65 V) output - Capacitor connection pin for reference voltage output. I Focus error signal amplifier inversion input O Focus error signal amplifier output I Not used. (Open) I Tracking error signal amplifier inversion input O Tracking error signal amplifier before output O Tracking error signal amplifier after output I Tracking error signal comparator input - Ground I Not used. (Fixed at L in this set) 15

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15
CDC-R104/X104/X144
Pin No.
Pin Name
I/O
Pin Description
50
LRCK
O
Not used. (Connect to LRCKIN in this set)
51
DVDD
—
Power supply pin (+3.3 V)
52
FD+
O
Focus servo drive PWM signal output (+)
53
FD–
O
Focus servo drive PWM signal output (–)
54
TD+
O
Tracking servo drive PWM signal output (+)
55
TD–
O
Tracking servo drive PWM signal output (–)
56
SD+
O
Sled servo drive PWM signal output (+)
57
SD–
O
Sled servo drive PWM signal output (–)
58
MD+
O
Spindle servo drive PWM signal output (+)
59
MD–
O
Spindle servo drive PWM signal output (–)
60
DGND
—
Ground
61
TESTEN
I
Test setting input (Fixed at L in this set)
62 to 66
TEST4 to TEST0
I
Test setting input (Fixed at L in this set)
67
ADGND
—
A/D converter power supply (–) pin
68
EFM
O
EFM signal output
69
ASY
I
EFM comparator reference voltage input
70
ADVDD
—
A/D converter power supply pin (+3.3 V)
71
RFI
I
RF signal input for EFM data growing.
72
EQ2
—
Not used. (Open)
73
EQ1
—
RF amplifier equalizer parts connection pin
74
RF–
I
Not used. (Open)
75
RF2–
I
RF amplifier inversion input
76
AGCO
O
RF signal output after on AGC.
77
AGCI
I
RF AGC signal amplifier input
78
RFO
O
RF signal output before on AGC.
79
ATEST
I
Not used. (Open)
80
C3T
—
Capacitor connection pin for 3T detection.
81
AGND
—
Ground
82
A
I
Signal input (A) from optical pick-up detector.
83
C
I
Signal input (C) from optical pick-up detector.
84
B
I
Signal input (B) from optical pick-up detector.
85
D
I
Signal input (D) from optical pick-up detector.
86
F
I
Signal input (F) from optical pick-up detector.
87
E
I
Signal input (E) from optical pick-up detector.
88
VREFIN
I
Reference voltage (+1.65 V) input
89
AVDD
—
Analog power supply pin (+3.3 V)
90
REFOUT
O
Reference voltage (+1.65 V) output
91
REFC
—
Capacitor connection pin for reference voltage output.
92
FE–
I
Focus error signal amplifier inversion input
93
FEO
O
Focus error signal amplifier output
94
ADCIN
I
Not used. (Open)
95
TE-
I
Tracking error signal amplifier inversion input
96
TEO
O
Tracking error signal amplifier before output
97
TE2
O
Tracking error signal amplifier after output
98
TEC
I
Tracking error signal comparator input
99
AGND
—
Ground
100
PWMSW
I
Not used. (Fixed at L in this set)