Panasonic SAAK22 - MINI HES W/CD-PLAYER, Руководство по обслуживанию

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Pin No. Mark I/O Function
79 MSEL I SMCK oscillating
frequency
designation input (“L”
:4.2336 MHz, “H”:
8.4672 MHz)
80 SSEL I SUBQ output mode
select (“H”:Q-code
buffer mode)
14.3. IC703 (AN8739SBE2) Focus coil/ Tracking coil/ Traverse motor/
Spindle motor driver
Pin No. Mark I/O Function
1 /RST - RESET output terminal
2 NC - N.C.
3 IN2 I Motor Drive (2) input
4 PC2 I Turntable motor drive
signal (“L :ON)
5 NC - N.C.
6 IN1 I Motor driver (1) input
7 NC I N.C.
8 PVCC1 I Power supply (1) for
driver
9 PGND1 - Ground connection (1)
for driver
10 NC - N.C.
11 D1- O Motor driver (1) reverse-
action output
12 D1+ O Motor driver (1) forward-
action output
13 D2- O Motor driver (2) reverse-
action output
14 D2+ O Motor driver (2) forward-
action output
15 D3- O Motor driver (3) reverse-
action output
16 D3+ O Motor driver (3) forward-
action output
17 D4- O Motor driver (4) reverse-
action output
18 D4+ O Motor driver (4) forward-
action output
19 NC - N.C.
20 PGND2 - Ground connection (2)
for driver
21 PVCC2 I Power supply (2) for
driver
22 NC - N.C.
Pin No. Mark I/O Function
23 VCC I Power supply terminal
24 VREF I Reference voltage input
25 IN4 I Motor driver (4) input
26 IN3 I Motor driver (3) input
27 RSTIN I Reset terminal
28 NC - N.C.
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www.freeservicemanuals.info 12/10/2014
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