Samsung DVD-VR320/COM, Manual

Page: 237 / 249

Circuit Operating Descriptions
14-38 Samsung Electronics
14-12 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)
IN
SEL
REC
AMP
INPUT
ALC LPF PNR MOD
26
REC FM
OUT
SEL
CONV. &
LINE AMP
80
LINE
OUT
LINEAR IN LINEAR OUT
4 6
PRE
AMP
INPUT
33 34
BPF DEMOD LPF PNR
CONV. &
LINE AMP
80
LINEAR IN
OUT
SEL
4
LINE
OUT
Fig. 14-24 REC Mode (L-CH Only)
Fig. 14-25 PB Mode (L-CH Only)
2) PB Mode (L-CH Olny)