Harman Kardon DVD 38, Руководство по обслуживанию

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BH7862FS
Multimedia ICs
1/9
High-performance 6-channel video driver
IC for progressive DVD
BH7862FS
BH7862FS is a 6-channel video driver IC developed for progressive DVD player/recorder. Special filters adjusted to each
band of various video signals are incorporated into a single chip. Extended definition, size reduction, and high cost
performance can be achieved in DVD players.
!
! !
! Application
DVD players, DVD recorders
! ! ! ! Features
1) Each high-performance filter, 6dB amplifier, and 75
Ω
driver for DVD are incorporated into a single chip.
2) Driver 6ch (Y, C, MIX, and PY, Pb, Pr for progressive)
3) Group delay difference between chroma signal and luminance signal is a small number of nsec.
4) Drive 2 lines of each signal
5) Operating by 5V single power supply
6) Built-in mute circuit
!
! !
! Absolute maximum ratings (Ta = 25
°
C)
Parameter Symbol Limits Unit
Operating temperature range
Storage temperature range
Topr
Tstg
0.95
∗
°
C
°
C
∗
Reduced by
−
7.6mW for each increase in Ta of 1
°
C over 25
°
C.
PCB (70mm
×
70mm, t
=
1.6mm) glass epoxy mounting.
−
10~
+
70
−
55~
+
150
Power dissipation
Pd
Impressed voltage V
CC
max 6.0 V
W
! ! ! ! Recommended operating conditions (Ta = 25
°
C)
Parameter Symbol Unit Max. Typ. Min.
Power supply voltage V
CC
4.5
−
5.5 V
Radiation resistance is not included in the design.
DVD38
harman/kardon
116