Philips AZ 7383, Руководство по обслуживанию

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MPC17A50VM – 4-CHANNEL H-BRIDGE SERVODRIVER
Pin Name Direction Description
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1 CGND GND ground (control part)
2 VLG +3 power supply input (control part)
3 ERR2 CD7
→
servo driver error level input (slide error signal)
4 NI2
→
servo driver filter capacitor connection in ABS amp circuit section
5 OP2
→
servo driver filter capacitor connection in ABS amp circuit section
6 ERR1 CD7
→
servo driver error level input (focus error signal)
7 NI1
→
servo driver filter capacitor connection in ABS amp circuit section
8 OP1
→
servo driver filter capacitor connection in ABS amp circuit section
9 LIM
→
servo driver limit control level signal input
10 VR
→
servo driver control reference voltage input (VR=VLG/2)
11 CLK DC/DC converter
→
servo driver clock signal input
12 OP3
→
servo driver filter capacitor connection in ABS amp circuit section
13 NI3
→
servo driver filter capacitor connection in ABS amp circuit section
14 ERR3 CD7
→
servo driver error level input (track error signal)
15 OP4
→
servo driver filter capacitor connection in ABS amp circuit section
16 NI4
→
servo driver filter capacitor connection in ABS amp circuit section
17 ERR4 µP
→
servo driver error level input (disc speed error signal)
18 PHSW GND CH4 mode setup (if PHSW=high, CH4 operates half-bridge)
19 POL not connected CH4 polarity monitor output
20 CFL4
→
servo driver pin for connecting filter for capacitor
21 CFL3
→
servo driver pin for connecting filter for capacitor
22 OUT4A servo driver
→
disc motor H-bridge output A
23 OUT4B servo driver
→
disc motor H-bridge output B
24 VIN34 +A CH3 and CH4 output stage power supply
25 OUT3B servo driver
→
track actuator H-bridge output B
26 PGND34 GND CH3 and CH4 output stage ground
27 OUT3A servo driver
→
track actuator H-bridge output A
28 OUT1A servo driver
→
focus actuator H-bridge output A
29 PGND12 GND CH1 and CH2 output stage ground
30 OUT1B servo driver
→
focus actuator H-bridge output B
31 VIN12 +A CH1 and CH2 output stage power supply
32 OUT2B servo driver
→
slide motor H-bridge output B
33 OUT2A servo driver
→
slide motor H-bridge output A
34 CFL1
→
servo driver pin for connecting filter for capacitor
35 CFL2
→
servo driver pin for connecting filter for capacitor
36 VG VG power supply input (predriver circuit)
3-8
CS 46 469