Sony MEX-R5 Service Manual page 51

SERVO BOARD IC6 M6578FP (DVD PROCESSOR)
Pin No.
Pin Name
1
DVDD33
2
EXPLDT
SPWM1,
3, 4
SPWM2
5 FG
6
SEN
7
SDT
8
SCK
9 MIRR
10
DEFCT
11
DVDD15
12
DVSS
13
TZC
14
RFAC
15
TLC
16
AVSS
17
IREF
18
JMREF
19
JMOUT
20
AVDD33
21
CHG
22
VFBC
23
VCOI
24
AVDD15
25, 26
LPF1, LPF2
27
RC
28
AVSS
29
FE
30
TE
31
SE
32
PI
33
AMPMNT
34
AD5
35
AVDD33
36, 37
AVSS
38 STB
39
FSCON
40
STA
41
TSCON
42 AVDD33
43
DVDD15
44
DVSS
45, 46
GIO12, GIO11
47 LMT_SW
48, 49
GIO9, GIO8
50
SLPF1
I/O
- Power supply terminal (+3.3V)
I RF data (logic level) input terminal
O PWM output for the spindle motor drive
I FG signal input from the coil/motor driver
O Enable signal output to the DVD analog front-end
I/O Serial data input/output terminal with the DVD analog front-end
O Serial data transfer clock signal output to the DVD analog front-end
I Mirror detection signal input terminal "H": mirror detect
I Defect detection signal input of RF signal
- Power supply terminal (+1.5V)
- Ground terminal
I Tracking zero-cross signal input terminal
I Single RF signal input terminal
O Asymmetry charge pump output terminal
- Ground terminal
I Reference current setting terminal for asymmetry circuit
I Reference current setting terminal for jitter monitor
O Jitter monitor output terminal
- Power supply terminal (+3.3V)
I Reference current setting terminal of charge pump for data PLL
I Offset frequency setting terminal of VCO for data PLL
I VCO free-run frequency setting terminal
- Power supply terminal (+1.5V)
O Loop filter connection terminal of VCO for data PLL
I Gain setting terminal of VCO for data PLL
- Ground terminal
I Focus error signal input terminal
I Tracking error signal input terminal
I Sled error signal input terminal
I Pull-in error signal input terminal
I Analog signal monitor input from the DVD analog front-end
I A/D input terminal Not used
- Power supply terminal (+3.3V)
- Ground terminal
O PWM output for the sled motor drive
O PWM output for the focus coil drive
O PWM output for the sled motor drive
O PWM output for the tracking coil drive
- Power supply terminal (+3.3V)
- Power supply terminal (+1.5V)
- Ground terminal
I/O Not used
I Limit switch input terminal
I/O Not used
O Loop filter connection terminal of VCO for system clock PLL
Description
MEX-R5
51