Technics SL-EH760, Руководство по обслуживанию

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Pin
No.
Terminal
Name
I/O Function
79 MSEL -
Output frequency select signal
input
(Not used, connected to GND)
80 SSEL I
SUBQ output mode select signal
input
(Not used, connected to V
DD
)
15.4. IC703 (AN8739SBE2): / Focus Coil/Tracking Coil/ / Traverse
Motor/Spindle / Motor Drive
Pin
No.
Terminal
Name
I/O Function
1 /RST - Not used, open
2 NC - Not used
3 IN2 I Motor driver 2 input
4 PC2 I Turntable motor drive signal
input (L: ON)
5 NC - Not used
6 IN1 I Motor driver 1 input
7
PV
CC
1
I Driver power supply terminal 1
8 PGND1 - Driver GND terminal 1
9 NC - Not used, connected to GND
10 D1- O Motor driver 1 output terminal (-)
11 D1+ O Motor driver 1 output terminal (+)
12 D2- O Motor driver 2 output terminal (-)
13 D2+ O Motor driver 2 output terminal (+)
14 D3- O Motor driver 3 output terminal (-)
15 D3+ O Motor driver 3 output terminal (+)
16 D4- O Motor driver 4 output terminal (-)
17 D4+ O Motor driver 4 output terminal (+)
18 NC - Not used
19 PGND2 - Driver GND terminal 2
20 PV
CC
2
I Driver power supply terminal 2
21
V
CC
I Power supply terminal
22 VREF I Reference voltage input terminal
23 IN4 I Motor driver 4 input
24 IN3 I Motor driver 3 input
25 RSTIN I
Reset terminal
(Not used, connected to GND)
26 NC - Not used, connected to GND
16. Replacement Parts List
Notes:
45