Advertisement
CIRCUIT DESCRIPTION
Description of components
POWER SUPPLY UNIT (X00-2400-10)
Application/function
Oa]
Relay driver control
a
ele ec
ee
a
ee
Ter
—BAVA
= B holding circuit
+B reference comparison
— B reference comparison
Constant-voltage LED constant current
Monostable multivibrator
AUDIO UNIT (X09-2342-70)
1C1
Equalizer
IC2
dbx
ICc3
Dolby B/C
IC6
FM signal amp.
1C7
FM/AM select
{C11
Electronic volume
1C12
Buffer/tone
Buffer/tone
DIN output amp
IC16
Electric volume, stage duration buffer
dbx input buffer
AVR for Dolby/dbx
iyo 208 = 4c)
DK amp.
ee
Gain select for Q5
SK ON/OFF switch
| ao
| a0
3
7
SK LED dirver
10
SK/SD
DK operation control
[| os
Q
| ainsi
DK ON/OFF switch
AM input short
Short-circuits the AM signa! to grounding when in FM mode.
TAPE/TUNER select
Output mute
Volume UP drive
Advertisement
