Philips HTB3510, Руководство по обслуживанию

Страница: 70 / 75

Pin Symbol Type Description
N7
ʳ FEGIO6
Analog
Output
Read gain switch 6. The pin is not allowed to pull-up in circuit
layout.
Alternate function :
1. SIDM
2. LCD serial interface command enable.
3. Internal monitored signal output
4. General IO.
N6
ʳ FEGIO7
3.3V LVTTL
I/O,
5V-tolerance,
2,4,6,8 mA
PDR,
75K pull-
down (0V)
General IO. The pin is spike-free at power-on stage. The pin is
not allowed to pull-up in circuit layout.
R5 ʳ FEGIO9
3.3V LVTTL
I/O,
5V-tolerance,
2,4,6,8 mA
PDR,
75K pull-
down (0V)
General IO. The pin is spike-free at power-on stage.
Alternate function :
1. Internal monitored signal output
2. Spoke input.
3. Power on reset input, high active.
4. General IO.
E4 ʳ
HAVC
Analog
Output
Decoupling Pin for Reference Voltage of Main and Sub
Beams
C3
ʳ INA
Analog Input Input of Main Beam Signal (A)
B1
ʳ INB
Analog Input Input of Main Beam Signal (B)
C2 ʳ
INC
Analog Input Input of Main Beam Signal (C)
C1
IND
Analog Input Input of Main Beam Signal (D)
E2
ʳ INE
Analog Input Input of Sub-Beam Signal (E)
E1
ʳ INF
Analog Input Input of Sub-Beam Signal (F)
D1
ʳ ING
Analog Input
Input of Sub-Beam Signal (G)
D2 ʳ
INH
Analog Input
Input of Sub-Beam Signal (H)
F4
ʳ MPXOUT1
Analog
Output
Multiplexer Output 1 for Signal Monitoring. The pin is not
allowed to pull-up in circuit layout.
Alternate function: Internal monitored signal output / General
output.
F2
ʳ MPXOUT2
Analog
Output
Multiplexer Output 2 for Signal Monitoring. The pin is not
allowed to pull-up in circuit layout.
Alternate function: Internal monitored signal output / General
output.
F1
ʳ MPXOUT3
Analog
Output
Multiplexer Output 3 for Signal Monitoring. The pin is not
allowed to pull-up in circuit layout.
Alternate function : Internal monitored signal output / General
output.
9-23