Panasonic SA-AK44 Service Manual page 42

Pin No. Mark
76 RSEL
77 IOVOD
78 PSEL
79 MSEL
80 SSEL
14.3. IC703 (AN8739SBE2) Focus Coil, Tracking Coil, Traverse Motor,
Spindle Motor Drive
Pin No. Mark I/O
1 /RST -
2 NC -
3 IN2 I
4 PC2 I
5 NC -
6 IN1 I
7 NC I
8 PVCC1 I
9 PGND1 -
10 NC -
11 D1- O
12 D1+ O
13 D2- O
14 D2+ O
15 D3- O
16 D3+ O
I/O Function
I RF signal polarity
assignment input (at
"H" level, RSEL="H",
at "L" level, RESL=
"L")
I 5V supply input
I Test terminal
(connected to Gnd)
I SMCK oscillating
frequency
designation input ("L"
:4.2336 MHz, "H":
8.4672 MHz)
I SUBQ output mode
select ("H":Q-code
buffer mode)
Function
RESET output terminal
N.C.
Motor Drive (2) input
Turntable motor drive
signal ("L :ON)
N.C.
Motor driver (1) input
N.C.
Power supply (1) for
driver
Ground connection (1) for
driver
N.C.
Motor driver (1) reverse-
action output
Motor driver (1) forward-
action output
Motor driver (2) reverse-
action output
Motor driver (2) forward-
action output
Motor driver (3) reverse-
action output
Motor driver (3) forward-
action output