Emerson EWV401B - Page 18

TU701
J192
Audio Block Diagram
AUDIO-IN
REC
AMP
7
6
AUTO
BIAS
99
P-ON+5V
P-ON+5V
Q421
BIAS
OSC
Q422
Q426
(PB=ON)
Q425
SWITCHING
D-REC OFF
4
3
1
EQ
AMP
LINE
AMP
MUTE
96
98
100
SP/LP-ON
P
R
ALC
REAR TUNER
FRONT
IC301
(AUDIO PROCESS)
76
2
AUDIO-OUT
21
SIF OUT
22
TP753
TP752
A-OUT(R)
A-OUT
TP754
A-OUT(L)
4 A-PB/REC
CL504
3 A-COM
1 AE-H
2 AE-H/FE-H
AUDIO
HEAD
AUDIO
ERASE
HEAD
AC HEAD ASSEMBLY
FE HEAD
(DECK ASSEMBLY)
1 FE-H
2 FE-H-GND
CL501
1-8-5 1-8-6 HB3J1BLA
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC
16
11 12
D-REC-H
D-REC-H
REC/EE/PB
A-MUTE-H
D-PB-H
FROM
SERVO/SYSTEM
CONTROL BLOCK
FULL
ERASE
HEAD
WF8
7880
2
SIF
A-IN (L)
A-IN (R)
A-IN (L)-F
A-IN (R)-F
A-OUT (R)
N-A-OUT
MOD-A
N-A-IN
JK751
JK752
JK754
JK755
A-OUT (R)
A-OUT (L)
A-IN (L)
A-IN (R)
A-IN (L)
A-IN (R)
FROM/TO
Hi-Fi AUDIO
BLOCK
FRONT
REAR
A-OUT (L)
TYPE A
TU701
AUDIO-IN
AUDIO-OUT
2
14
SIF OUT
15
WF8 WF13
WF13
TYPE B
NOTE: The Tuner Unit (TU701) is either type A or type B.
Wave Form will be different. It depends on the type
of tuner used on the unit you are servicing.
EWV601B
J193
EWV401B
EWV401B
EWV401B
EWV601B
J03
J23
EWV401B
J52
J55
EWV601B
J20
EWV401B
EWV601B
EWV601B