Sony MEX-R5 Service Manual ▷ View online
49
MEX-R5
•
IC Pin Function Descripition
SERVO BOARD IC1 CXD5002R (DVD ANALOG FRONT-END)
Pin No.
Pin Name
I/O
Description
1, 2
RFIN, RFIP
I
Differential RF signal input terminal
3
SUMF
-
DC filter connection terminal for differential sum amplifier
4, 5
AGHPF1,
AGHPF2
-
High-pass filter connection terminal for AGC input block
6
AGFR
-
Filter connection terminal for AGC filter
7
VCC
-
Power supply terminal (+5V)
8
IREFE
-
Resistor connection terminal for cut-off frequency setting of RF equalizer
9
RF_GND
-
Ground terminal
10
EQHPF
-
High-pass filter connection terminal for AGC detection block
11
RFAC
O
Single RF signal output terminal
12, 13
EQOP, EQON
O
Differential RF signal output terminal Not used
14
TOPH
-
Top hold terminal for envelope detection
15
BOTH
-
Bottom hold terminal for envelope detection
16
BOTLPF
-
Low-pass filter connection terminal for bottom envelope detection
17
NC
-
Not used
18
GND
-
Ground terminal
19, 20
NC
-
Not used
21
TST
O
Output terminal for test
22
VDD_IO
-
Power supply terminal (+3.3V)
23
RFHLD
I
Hold control signal input terminal Fixed at "L" in this set
24
TZC
O
Tracking zero-cross output terminal Not used
25
MIRR
O
MIRROR detection signal output terminal
26
DFT
O
DEFECT detection signal output terminal
27
IO_GND
-
Ground terminal
28
XRST
I
System reset signal input from the reset signal generator
29
SCLK
I
Serial data transfer clock signal input from the DVD processor
30
SDATA
I/O
Serial data input/output terminal with the DVD processor
31
SDEN
I
Serial data transfer enable signal input from the DVD processor
32
NC
-
Not used
33
TEIN
I
Detection signal input for tracking zero-cross
34
VDD_SRV
-
Power supply terminal (+3.3V)
35
SIGM
O
Analog signal monitor output to the DVD processor
36
TE
O
Tracking error signal output terminal
37
LE
O
Lens position error signal output terminal
38
PE
O
Pull-in error signal output terminal
39
FE
O
Focus error signal output terminal
40
PDCD
I
Light amount monitor input from the laser diode (for CD)
41
LDCD
O
Laser diode on/off control signal output terminal (for CD)
42
SRV_GND
-
Ground terminal
43
PDDVD
I
Light amount monitor input from the laser diode (for DVD)
44
LDDVD
O
Laser diode on/off control signal output terminal (for DVD)
45
IREFT
-
Resistor connection terminal for reference current setting
46
VREF
O
Reference voltage (+2.5V) output terminal
47
VHALF
O
Reference voltage (+1.65V) output
48
V33
I
Voltage (+3.3V) input terminal for VHALF (pin 47)
49
VCC2
-
Power supply terminal (+5V)
50
MEX-R5
Pin No.
Pin Name
I/O
Description
50
HAVC
I
Reference voltage input for interface with optical pick-up
51 to 54
MD to MA
I
Main 4D signal input from the optical pick-up
55, 56
FON, FOP
I
Focus error signal input from the optical pick-up Not used
57
TRN
I
F signal input from the optical pick-up
58
TRP
I
E signal input from the optical pick-up
59 to 62
SD to SA
I
Sub 4D signal input from the optical pick-up
63
VDD_RF
-
Power supply terminal (+3.3V)
64
NC
-
Not used
51
MEX-R5
SERVO BOARD IC6 M6578FP (DVD PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
DVDD33
-
Power supply terminal (+3.3V)
2
EXPLDT
I
RF data (logic level) input terminal
3, 4
SPWM1,
SPWM2
O
PWM output for the spindle motor drive
5
FG
I
FG signal input from the coil/motor driver
6
SEN
O
Enable signal output to the DVD analog front-end
7
SDT
I/O
Serial data input/output terminal with the DVD analog front-end
8
SCK
O
Serial data transfer clock signal output to the DVD analog front-end
9
MIRR
I
Mirror detection signal input terminal "H": mirror detect
10
DEFCT
I
Defect detection signal input of RF signal
11
DVDD15
-
Power supply terminal (+1.5V)
12
DVSS
-
Ground terminal
13
TZC
I
Tracking zero-cross signal input terminal
14
RFAC
I
Single RF signal input terminal
15
TLC
O
Asymmetry charge pump output terminal
16
AVSS
-
Ground terminal
17
IREF
I
Reference current setting terminal for asymmetry circuit
18
JMREF
I
Reference current setting terminal for jitter monitor
19
JMOUT
O
Jitter monitor output terminal
20
AVDD33
-
Power supply terminal (+3.3V)
21
CHG
I
Reference current setting terminal of charge pump for data PLL
22
VFBC
I
Offset frequency setting terminal of VCO for data PLL
23
VCOI
I
VCO free-run frequency setting terminal
24
AVDD15
-
Power supply terminal (+1.5V)
25, 26
LPF1, LPF2
O
Loop filter connection terminal of VCO for data PLL
27
RC
I
Gain setting terminal of VCO for data PLL
28
AVSS
-
Ground terminal
29
FE
I
Focus error signal input terminal
30
TE
I
Tracking error signal input terminal
31
SE
I
Sled error signal input terminal
32
PI
I
Pull-in error signal input terminal
33
AMPMNT
I
Analog signal monitor input from the DVD analog front-end
34
AD5
I
A/D input terminal Not used
35
AVDD33
-
Power supply terminal (+3.3V)
36, 37
AVSS
-
Ground terminal
38
STB
O
PWM output for the sled motor drive
39
FSCON
O
PWM output for the focus coil drive
40
STA
O
PWM output for the sled motor drive
41
TSCON
O
PWM output for the tracking coil drive
42
AVDD33
-
Power supply terminal (+3.3V)
43
DVDD15
-
Power supply terminal (+1.5V)
44
DVSS
-
Ground terminal
45, 46
GIO12, GIO11
I/O
Not used
47
LMT_SW
I
Limit switch input terminal
48, 49
GIO9, GIO8
I/O
Not used
50
SLPF1
O
Loop filter connection terminal of VCO for system clock PLL
52
MEX-R5
Pin No.
Pin Name
I/O
Description
51
PLLAVDD33
-
Power supply terminal (+3.3V)
52
PLLAVDD15
-
Power supply terminal (+1.5V)
53
PLLGND
-
Ground terminal
54
SLPF2
O
Loop filter connection terminal of VCO for system clock PLL
55
XO
O
System clock output terminal (36.864 MHz)
56
XI
I
System clock input terminal (36.864 MHz)
57 to 59
GIO14, GIO13,
GIO15
I/O
Not used
60
CLKOUT
O
Clock signal output terminal Not used
61
DVSS
-
Ground terminal
62
DVDD15
-
Power supply terminal (+1.5V)
63
MA3
O
Address signal output to the SD-RAM
64
MA4
O
Address signal output to the SD-RAM
65
MA2
O
Address signal output to the SD-RAM
66
MA5
O
Address signal output to the SD-RAM
67
MA1
O
Address signal output to the SD-RAM
68
MA6
O
Address signal output to the SD-RAM
69
DVSS
-
Ground terminal
70
DVDD33
-
Power supply terminal (+3.3V)
71
MA0
O
Address signal output to the SD-RAM
72
MA7
O
Address signal output to the SD-RAM
73
MA10
O
Address signal output to the SD-RAM
74
MA8
O
Address signal output to the SD-RAM
75
MBA1
O
Bank address signal output to the SD-RAM
76
MA9
O
Address signal output to the SD-RAM
77
MBA0
O
Bank address signal output to the SD-RAM
78
MA11
O
Address signal output to the SD-RAM
79
DVSS
-
Ground terminal
80
DVDD33
-
Power supply terminal (+3.3V)
81
DCS
O
Chip select signal output to the SD-RAM
82
DCS2
O
Chip select signal output terminal Not used
83
RAS
O
Row address strobe signal output to the SD-RAM
84
CAS
O
Column address strobe signal output to the SD-RAM
85
MCLK
O
Serial data transfer clock signal output to the SD-RAM
86
DWE
O
Write enable signal output to the SD-RAM
87
DQMU
O
Write mask signal output to the SD-RAM (upper byte)
88
DQML
O
Write mask signal output to the SD-RAM (lower byte)
89
MD7
I/O
Two-way data bus with the SD-RAM
90
MD8
I/O
Two-way data bus with the SD-RAM
91
MD6
I/O
Two-way data bus with the SD-RAM
92
MD9
I/O
Two-way data bus with the SD-RAM
93
DVDD15
-
Power supply terminal (+1.5V)
94
DVSS
-
Ground terminal
95
MD5
I/O
Two-way data bus with the SD-RAM
96
MD10
I/O
Two-way data bus with the SD-RAM
97
MD4
I/O
Two-way data bus with the SD-RAM
98
MD11
I/O
Two-way data bus with the SD-RAM
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