Sony MDS-JE520 Service Manual ▷ View online
– 74 –
Function
Pin No.
Pin Name
I/O
48
49
50, 51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
D1
D0
D2, D3
MVCI
ASYO
ASYI
AVDD
BIAS
RFI
AVSS
PCO
FILI
FILO
CLTV
PEAK
BOTM
ABCD
FE
AUX1
VC
ADIO
AVDD
ADRT
ADRB
AVSS
SE
TE
DCHG
APC
ADFG
F0CNT
XLRF
CKRF
DTRF
APCREF
TEST0
TRDR
Data input/output for DRAM
Clock input from an external VCO (Fixed at “L”)
Playback EFM duplex signal output
Playback EFM comparator slice level input
+3V power supply (Analog)
Playback EFM comparator bias current input
Playback EFM RF signal input
Ground (Analog)
Phase comparison output for the recording/playback EFM master PLL
Filter input for the recording/playback EFM master PLL
Filter output for the recording/playback EFM master PLL
Internal VCO control voltage input for the recording/playback EFM master PLL
Light amount signal peak hold input from the CXA2523R
Light amount signal bottom hold input from the CXA2523R
Light amount signal input from the CXA2523R
Focus error signal input from the CXA2523R
Auxiliary A/D input
Middle point voltage (+1.5V) input from the CXA2523R
Monitor output of the A/D converter input signal (Not used)
+3V power supply (Analog)
A/D converter operational range upper limit voltage input (Fixed at “H”)
A/D converter operational range lower limit voltage input (Fixed at “L”)
Ground (Analog)
Sled error signal input from the CXA2523R
Tracking error signal input from the CXA2523R
Connected to +3V power supply
Error signal input for the laser digital APC (Fixed at “L”)
ADIP duplex FM signal input from the CXA2523R (22.05 ± 1 kHz)
Filter f
0
control output to the CXA2523R
Control latch output to the CXA2523R
Control clock output to the CXA2523R
Control data output to the CXA2523R
Reference PWM output for the laser APC
PWM output for the laser digital APC (Not used)
Tracking servo drive PWM output (–)
I/O
I/O
I/O
I (S)
O
I (A)
—
I (A)
I (A)
—
O (3)
I (A)
O (A)
I (A)
I (A)
I (A)
I (A)
I (A)
I (A)
I (A)
O (A)
—
I (A)
I (A)
—
I (A)
I (A)
I (A)
I (A)
I (S)
O
O
O
O
O
O
O
• Abbreviation
EFM: Eight to Fourteen Modulation
PLL : Phase Locked Loop
VCO: Voltage Controlled Oscillator
PLL : Phase Locked Loop
VCO: Voltage Controlled Oscillator
– 75 –
Function
Pin No.
Pin Name
I/O
86
87
88
89
90
91
92
93
94
95
96 to 98
99
100
TFDR
DVDD
FFDR
FRDR
FS4
SRDR
SFDR
SPRD
SPFD
FGIN
TEST1 to TEST3
DVSS
EFMO
O
—
O
O
O
O
O
O
O
I (S)
I
—
O
Tracking servo drive PWM output (+)
+3V power supply (Digital)
Focus servo drive PWM output (+)
Focus servo drive PWM output (–)
176.4 kHz clock signal output (X’tal) (Not used)
Sled servo drive PWM output (–)
Sled servo drive PWM output (+)
Spindle servo drive PWM output (–)
Spindle servo drive PWM output (+)
Test input (Fixed at “L”)
Ground (Digital)
EFM output when recording
• Abbreviation
EFM: Eight to Fourteen Modulation
– 76 –
Pin No.
Pin Name
I/O
Function
• IC307 A/D, D/A converter (CXD8607N)
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
INRP
INRM
REFI
AV
DD
AVss
APD
NU
NU
TEST1
LRCK1
BCK1
ADDT
V
35A
V
SS1 (LF)
MCKI
DPD
V
SS2 (LF)
INIT
MODE
SHIFT
LATCH
256CK
V
35D
V
SS2
512CK
BCK2
DADT
LRCK2
V
DD2
R1
A
VDDR
R2
AV
SSR
XV
DD
XOUT
XIN
XV
SS
AV
SSL
L2
AV
DDL
I
I
I
—
—
I
—
—
I
I
I
O
—
—
I
I
—
I
I
I
I
O
—
—
O
I
I
I
—
O
—
O
—
—
O
I
—
—
O
—
Rch analog (+) input
Rch analog (–) input
A/D reference voltage input (+3.2V)
+5V power supply (A/D, analog)
Ground (A/D, analog)
A/D analog block power down
“L”: Power down
Not used
Test pin (Fixed at “L”)
A/D LRCK input
A/D BCK input
A/D data output
+3.3V power supply
Ground (A/D, digital)
A/D master clock input (256 fs)
A/D digital block power down
“L”: Power down/reset
Ground (D/A, digital)
D/A initialize
“L”: Initialize
Mode flag input
Shift clock input
Latch clock input
256 fs clock output
+3.3V power supply
Ground (D/A, digital)
512 fs clock output
D/A BCK input
D/A data input
D/A LRCK input
+5V power supply (D/A, digital)
Rch PLM output 1
+5V power supply (D/A, Rch, analog)
Rch PLM output 2
Ground (D/A, Rch, analog)
+5V power supply (X’tal)
X’tal oscillation output (22 MHz)
X’tal oscillation input (512 fs ) (22 MHz)
Ground (X’tal)
Ground (D/A, Lch, analog)
Lch PLM output 2
+5V power supply (D/A, Lch, analog)
– 77 –
Function
Pin No.
Pin Name
I/O
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
L1
V
DD2
V
DD1
V
DD1
V
SS1
TEST2
TEST3
V
SS1 (LF)
NU
NU
AV
SS (LF)
LV
DD
LV
SS
REFO
INLM
INLP
O
—
—
—
—
I
I
—
—
—
—
—
—
O
I
I
Lch PLM output 1
+5V power supply (D/A, digital)
+5V power supply (A/D, digital)
Ground (A/D, digital)
Test pin (Fixed at “L”)
Ground (A/D, digital)
Not used
Ground (A/D, analog)
+5V power supply (A/D, buffer)
Ground (A/D, buffer)
A/D reference voltage output (+3.2V)
Lch analog (–) input
Lch analog (+) input
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