
LA71076SM
No.A0217-29/31
Function Control Table
Pin No.
Function
L (to 0.5V)
H (4.0V to )
12
AUDIO MUTE
OFF
ON
REC: XO MODE
NORMAL
XO MODE
19
PB: DOC OFF
DOC AUTO
DOC OFF
PB: TRICK
NORMAL
TRICK
30
REC: COPY GUARD
ON
OFF
Pin No.
Function
L (to 0.5V)
H (1.0V to )
13
RF SW PULSE
L
H
14
C ROT PULSE
L
H
15
HA PULSE
L
H
Pin No.
Function
to 0.7V
1.1V to 3.3V
1.7V to 2.3V
2.7V to 3.3V
3.7V to
31
CHARACTER INSERT
THROUGH
EDGH
25IRE
CHARA
40IRE
QH
25IRE
QV
SYNC
Pin No.
Function
L (to 0.5V)
M (2.0 to 2.8V OR OPEN)
H (3.6V to )
16
REC/EE/PB (Y/C)
PB
REC
17
REC/EE/PB (Audio)
PB
EE
REC
55
INPUT SELECT
IN-1
IN-2
IN-3
59
TAPE SPEED
SP
LP
EP
68
REC C-LEVEL
+1.5dB
STANDARD
-1.5dB
71
REC: REC-CURRENT-2
LOW
STANDARD
MAX
73
REC: REC-CURRENT-1
LOW
STANDARD
MAX
10
NC CTL
MAX
STANDARD
LOW
Pin No.
Function
L (to 0.5V)
OPEN OR H (4.0V to )
18
COMB THROUGH CONTROL
KIL+SP-REC-NO-CORR
KIL+SP-REC
Pin No.
Function
L (to 0.5V)
H (4.0V to )
8
REC-I ARRANGEMENT
SP-CURRENT MORE
SP/EP SAME CURRENT
Pin No.
Function
L (to 0.5V)
M (2.5V )
H (4.0V to )
11
REC/PAUSE/PB (Head Amp)
PB
REC PAUSE
REC
Test Mode Control
Pin No.
Function
Contents
22
Phase EQ Q adjust/Y-test
PULL-UP = Y-test
23
EQ monitor/R-EQ slope control
PULL-UP = REC EQ slope is changes to slant
29
Phase EQ F0 adjust/F-test
PULL-UP = F-test
36
PB EQ Low side band CTL/REC
EQ in
REC EQ external signal: input with bias (3.5V)
66
REC ENV monitor/Head Amp in
Head Amp external signal: input with bias (3.5V)
PULL-UP = REC: FM mute at pin66
R/P pin23 changes to TEST mode
Child Lock mode
72
PB-C monitor/FM Mute & Child Lock
/Sync Slice Level
additional resistor to GND:
Sync Slice Level changes to Pedestal side.
74
PB Head Amp monitor/ENV in
External ENV signal: input with bias (3.5V)