Sony MEX-R1 Service Manual ▷ View online
45
MEX-R1
IC603
BA8271F-E2
1
2
3
4
5
6
7
8
9
10
14
13
12
11
VCC
BUS ON
LINK OFF
CLK OUT
DATA OUT
DATA IN
BUS RESET
BUS DATA
VREF
BUS CLK
GND
BUS ON IN
BUS ON OUT
RESET
RESET
SWITCH
IC701
MM1567AJBE
4dB
4dB
VCC2
75
Ω
DRIVER
LPF
LPF
LPF
75
Ω
DRIVER
2dB
4dB
2dB
75
Ω
DRIVER
2dB
75
Ω
DRIVER
2dB
4dB
75
Ω
DRIVER
2dB
4dB
75
Ω
DRIVER
4dB
2dB
CIN
2
VIN
4
MUTE1
3
YC MIX
5
YIN
6
BIAS
7
GND1
8
NC
9
GND1 10
NC 11
CYIN 12
CLP 13
CbIN 14
CrIN 16
GND2 17
MUTE2 15
VCC1
1
34
CrSAG
18
CrOUT
19
CbSAG
21
GND2
20
CbOUT
22
CYSAG
24
GND2
23
GND2
26
CYOUT
25
YSAG
27
YOUT
28
VSAG
30
GND2
29
GND2
32
VOUT
31
COUT
33
+
BIAS
BIAS
BIAS
BIAS
BIAS
CLAMP
CLAMP
CLAMP
LPF
LPF
LPF
46
MEX-R1
•
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)
47
MEX-R1
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
48
MEX-R1
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
Click on the first or last page to see other MEX-R1 service manuals if exist.