Philips DVDR615 Service Manual page 158

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EN 158 9.
PIN DESCRIPTION
PIN SYMBOL
1 HU+
2 HU-
3 HV+
4 HV-
5 HW+
6 HW-
7 HBIAS
8 RREF
9 REMF
10 RLIM
11 GNDSPN1
12 U
13 VDDSPN1
14 V
15 GNDSPN2
16 W
17 VDDSPN2
18 FG
19 GNDDIG
20 INSPN
21 REF
22 VDDANA
23 CP1
24 CP2
25 CAPY
26 CTL1
27 CTL2
28 TEMP
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DVDR615/69 Circuit-, IC descriptions and list of abbreviations
DESCRIPTION
positive Hall input U
negative Hall input U
positive Hall input V
negative Hall input V
positive Hall input W
negative Hall input W
Hall element bias
ext. res. for current reference
ext. res. for EMF regeneration
ext. res. for current limit
spindle driver power ground 1
spindle driver output U
spindle driver power supply 1
spindle driver output V
spindle driver power ground 2
spindle driver output W
spindle driver power supply 2
frequency generator output
ground supply
spindle driver input
reference input voltage
system supply voltage
charge pump cap. conn. 1
charge pump cap. conn. 2
charge pump output voltage
driver logic control input 1
driver logic control input 2
thermal warning
PIN SYMBOL
56 COSC
55 DIODE
54 GNDDIO
53 INLD
52 INFCS
51 INTRK
50 INTLT
49 VDDLD
48 OUTLD+
47 OUTLD-
46 OUTFCS+
45 OUTFCS-
44 GNDACT
43 VDDACT
42 OUTTRK+
41 OUTTRK-
40 OUTTLT+
39 OUTTLT-
38 CURSLD1
37 OUTSLD1+
36 OUTSLD1-
35 CURSLD2
34 OUTSLD2+
33 OUTSLD2-
32 VDDSLD
31 GNDANA
30 INSLD2
29 INSLD1
Figure 9-30
DESCRIPTION
ext. capacitor for int. oscillator
diode for temperature readout
temperature diode ground
loading driver input
focus driver input
tracking driver input
tilting driver input
loading driver power supply
loading driver positive output
loading driver negative output
focus driver positive output
focus driver negative output
actuator drivers power
ground
actuator drivers power supply
tracking driver pos. output
tracking driver neg. output
tilting driver pos. output
tilting driver neg. output
sled driver 1 current sense
sled driver 1 positive output
sled driver 1 negative output
sled driver 2 current sense
sled driver 2 positive output
sled driver 2 negative output
sled driver power supply
ground supply
sled driver 2 input
sled driver 1 input