Samsung SV-DVD50 Service Manual page 130

Circuit Operating Descriptions
7-5 Hi-Fi Audio
(1) Outline
Hi-Fi circuit consists of HiFi audio LPF, VCO, BPF, FM detect circuit and switching noise compensator, PRE-AMP
etc. Linear audio consists of an ALC circuit,REC EQ circuit and a PB EQ circuit.
Hi-Fi and Linear audio share the same input selector,output selector and mute circuit.
1) REC Mode (L-CH Only)
INPUT
IN
SEL
2) PB Mode (L-CH Only)
INPUT
7-28
LINEAR OUT
6
ALC
Fig. 7-25 REC Mode (L-CH Only)
PRE
AMP
Fig. 7-26 PB Mode (L-CH Only)
LINEAR IN
4
OUT
SEL
LPF PNR
CONV. &
LINE
80
LINE AMP
OUT
BPF DEMOD
CONV. &
LINE AMP
REC
MOD
AMP
LINEAR IN
4
OUT
SEL
LPF PNR
LINE
80
OUT
26
REC FM