Philips FR752/00 - Page 20

Description
Output for surround mute.
Output is low level under the following conditions.
1. When power is turned on or off.
2. When surround mode is turned on or off.
3.
When
test
tone
mode
is
changed,
or
when
output
is
not
directed
to
surround.
[PinNo[ Symbol
4. When delay time is activated.
27 SURR. MUTE
5. When "-co mute signal" is received from the commander.
RDS S/M Input to detect the signal strength of RDS station.
23 EV power supp
30 Reference voltage.(Connected to +5V, Not Vop)
Ground
31
32_[ NC | Notused
33
Ground
34/35 XTAL/EXTAL Input and Output for crystal oscillator.
4. When preset button is pressed.
5. When displayed preset number is changed during memory scan.
2. When the protection terminal's level is high.
Output for PRO-LOGIC test ton mute.
KEY,;~KEY3 | Input data of K, ~ K, for key scan.
RDS START Input for LC7073 data start.
36 TUNER MUTE Output for tuner mute.
Output is high level under the following conditions.
1. When power is turned on or off.
2. When tuner band is changed.
‘| 6. When "-co mute signal" is received from the commander.
37 ST-BY When the power is on, control data output is "H".
When the power is off, control data output is "L" and last memory function
is activated.
38 AMP MUTE Output for all amplifier mute.
Output is high level under the following conditions.
39 T.TONE MUTE
Output is high level under the following conditions.
When power is turned on or off.
POWER DOWN | Input for power down.(At"L", it is active)
Input for remote control signal.(At "L”, it is active)
Vss
3. When tuning up or down button is pressed.
1. When power is turned on or off.
ST-BY LED _| Output to light up stand-by LED.(At"H’, it is active)
41~4
47/49 | M.VOL. IN 1/IN 2 | Signal input to decrease or increase volume by volume encoder.
| 48 | ss [Ground C—CsCSCSCSC‘*C
NJU9701 Chip enable output for NJU9701.
LM7001 Chip enable output for LM7001.
“SV power Supply.
16-2