NOTES
ON
SCHEMATIC
DIAGRAM
Ref. No.
SW1 (A
-
F)
SW101 (A
-
J)
SW102
(A
-
D)
SW103 (A
-
D)
--
SW1
04
SW1
05
Names of Switch
Band Selector Switch
Record/Playback Switch
Power Switch
Function Selector Switch
FM Mode Selector Switch
Tape Selector Switch
Switch Position
FM -SW1 -SW2 -AM
-
Playback
-
Record
&l
-
Off
Tape/Line in
-
Radio
Mono
-
Stereo
_~
&I+
-
NormalKrOz
I
SW201 (A
-
D) Dubbing Switch
SW202 (A
-
D)
Input Selector Switch
SW203
Beat Cancel Switch
On-Off
Line
-
Phono
A-B-C
SW204
I
Record Muting Switch
I On
-
Off
I
SW205
SW301
SW501
1
Deck 1 Main Switch
/
Deck 2 Main Switch
I
Deck 1 Plav Switch
1
Deck 2
Plav
Switch
I
On
-
Off
~
-1
SW502 I On
-
Off
I
SW503
I
On
-
Off
I
I
On
-
Off
I
Metal
-
NormaVCrOz
Metal
-
Normal/CrOz
On
_
Off
SW508
I
Deck 2 Cue/Review Switch
I
On
-
Off
I
SW509
1
Deck 2 Pause Switch
/
On
-
Off
1
SW601
1
AC/DC Selector Switch
I
AC
-
DC
I
l
The voltage in each part is measured with
no signal given.
l
As for the radio circuit, the voltage indica-
tion without parentheses is in FM stereo
mode,
and that with parentheses is in
MWILWISW
mode.
.
As
for the audio circuit, the voltage indica-
tion is in play mode at normal speed. The
voltage indication with parentheses, for
0105
-
Q510,
is in play mode at high
speed.
Parts marked with
“8”
( )
ace
important
for maintaining the safety of the set.
Be
sure
to replace these parts with specified ones for
maintaining the safety and performance of
the set.
l
Specifications or wiring diagrams of this
model are subject to change for improve-
ment without prior notice.
VHIIR3108A/-1
(IR3108A)
Block Diagram of APSS Integrated Circuit
Amplifier
Constant
circuit
-
voltage
Detection Rectifier
Comparisor
Schmidt
circuit
circuit
circuit
circuit
circuit
FRONT VIEW
I
2 3 4
I
6
7
6
9
Figure 18 BLOCK DIAGRAM OF INTEGRATED CIRCUIT
-18-
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