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Hi-Fi Audio Block Diagram
T2202BLH
57
48 47
13 14
69
6
7
R-CH
INSEL
L-CH
INSEL
NOR
SW
SERIAL
DATA
DECODER
OUTPUT
SELECT
VCO
LPF
L-CH BPF
R-CH
PNR
PILOT
DET
CONT
STEREO
PLL
STEREO
FILTER
SAP
FILTER
SAP
DET
SIF
DEMOD
SAP
DEMOD
L-R
DEMOD
ST/SAP
SW
MATRIX
L-CH
PNR
LIM DEV
COMP
SW
NOISE
VCO
LPF
LIM DEV
COMP
COMP
D.C
NOISE
SW
dBX
DEC
ENV
DET
MODE
OUT
RIPPLE
FILTER
DO
DET
MATRIX
R-CH BPF
P
R
R
L
P
R
HOLD
PULSE
NOISE
DET
34 33
23
4
80
78
37
38
54
77
1
39
26
24
27
N-A-OUT
LIM
49
AUDIO-OUT(L)
AUDIO-OUT(R)
N-A-IN
Hi-Fi-H-SW
AUDIO-MUTE
NORMAL-H
40
ST/SAP-IN
TO AUDIO
BLOCK DIAGRAM
SCL
P-ON+9V
Hi-Fi
AUDIO
(R) HEAD
Hi-Fi
AUDIO
(L) HEAD
CYLINDER
ASSEMBLY
MAIN CBA
CL1401
IC1701 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
PILOT
CANCEL
TO AUDIO
BLOCK DIAGRAM
62 63
JK1702
AUDIO(L)-IN
JK1703
AUDIO(R)-IN
SIF
TO TV PROCESS
BLOCK DIAGRAM
Q1701
TP1702 TP1701
SDA
Hi-Fi-L
Hi-Fi-R
PB AUDIO SIGNALREC AUDIO SIGNAL
Mode : SP/REC
TO SYSTEM
CONTROL/SERVO
BLOCK DIAGRAM
TO SYSTEM
CONTROL/SERVO
BLOCK DIAGRAM
TO SYSTEM
CONTROL/SERVO
BLOCK DIAGRAM
Hi-Fi-
AUDIO(R) 7
Hi-Fi
-COM 8
Hi-Fi-
AUDIO(L) 9