57
7
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
DC
SW
NOISE
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
A-OUT (L)
A-OUT (R)
N-A-IN
Hi-Fi-H-SW
A-MUTE
NORMAL-H
40
ST/SAP-MODE
FROM/TO AUDIO
BLOCK
SCL
P-ON+9V
TO SERVO/SYSTEM
CONTROL BLOCK
Hi-Fi
AUDIO
(R) HEAD
Hi-Fi
AUDIO
(L) HEAD
CYLINDER
ASSEMBLY
MAIN CBA
Hi-Fi-
A(R)
3
Hi-Fi
-COM
2
Hi-Fi-
A(L)
1
CL1401
IC1751(MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
Hi-Fi Audio Block Diagram
TD900BLH
1-10-7
1-10-8
REC-AUDIO SIGNAL
PB-AUDIO SIGNAL
PILOT
CANCEL
TO
AUDIO BLOCK
FROM/TO
SERVO/ SYSTEM
CONTROL BLOCK
FROM
SERVO/SYSTEM
CONTROL BLOCK
62
63
JK1702
AUDIO-IN(L)
JK1703
AUDIO-IN(R)
BUFFER
Q1010
SIF
TU1001
(TUNER UNIT)
Q1701
TP1701
TP1702
SDA
Hi-Fi-L
Hi-Fi-R
Summary of Contents for EC720E
Page 2: ...EC720E T1008UJ 2004 06 22 ...
Page 22: ...1 7 4 TD900DC S 4 S 4 S 4 S 4 4 CRT Anode Cap CRT CBA Fig 3 ...
Page 93: ...2 4 8 TD951DA Fig DM16 41 42 43 L 13 44 45 P 9 Slide Fig DM17 ...
Page 97: ...3 1 3 TD900PEX S4 S1 X1 TAPE X5 X4 X2 X3 S3 S6 S7 S2 PACKING TAPE Packing ...
Page 119: ...Printed in Japan 2003 08 25 HO 6720FDD TD900UA ...