Sylvania Emerson 6719DC Service Manual page 34

Hi-Fi Audio Block Diagram
IC1751(MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
FROM
SIF
CHROM/TUNER
57
BLOCK DIAGRAM
69
JK1703
A-IN(R)
JK1702
A-IN(L)
TO AUDIO
N-A-OUT
6
BLOCK
DIAGRAM
7
1-10-7
NOISE
DET
SIF SAP SAP
DEMOD FILTER DEMOD
STEREO PILOT
FILTER CANCEL
PILOT
DET
STEREO
PLL
SW
P
R-CH R-CH
NOISE
48 47
INSEL
PNR
R
LIM
NOR
SW
LIM
R
L-CH L-CH
13 14
SW
INSEL PNR
NOISE
P
MAIN CBA
ST/SAP dBX
DC
L-R DEC
SW
MATRIX
DEMOD
COMP R-CH BPF
BO
DEV VCO LPF
DET
OUTPUT
SELECT
HOLD
PULSE
NOISE
MATRIX COMP
DET
DEV VCO LPF
AGC 31
COMP L-CH BPF
AGC
DET
PB-AUDIO SIGNAL REC-AUDIO SIGNAL
SERIAL 37
Hi-Fi-DATA
DATA
38
DECODER
39
RIPPLE
54 P-ON+9V
FILTER
MODE OUT 51
ENV
23
DET
4
80
TP1701
Hi-Fi-OUT-L
78
TP1702
Hi-Fi-OUT-R
77
1
40
49
26
CL1701A CL1701B
R
24 1 1 Hi-Fi-
30 2 2 Hi-Fi
27 3 3 Hi-Fi-
L
CL1701
1-10-8
Mode : SP/REC
Hi-Fi-CS
FROM SERVO/ SYSTEM
CONTROL BLOCK
Hi-Fi-CLK
DIAGRAM
ST/SAP-IN
TO SERVO/SYSTEM
NORMAL-H
CONTROL BLOCK
DIAGRAM
N-A-IN
A-OUT(L)
FROM/TO
AUDIO BLOCK
DIAGRAM
A-OUT(R)
FROM
Hi-Fi-SW
SERVO/SYSTEM
A-MUTE-H
CONTROL BLOCK
DIAGRAM
CYLINDER
ASSEMBLY
CL1401
Hi-Fi
A(R) 3
AUDIO
-COM 2
(R) HEAD
A(L) 1
Hi-Fi
AUDIO
(L) HEAD
TD500BLH