Notes On Schematic Diagram; Deck - Sharp GF-500 Service Manual

Ref. No.
SW1 (A - F)
SW101 (A - J)
- -
SW201 (A - D)
SW202 (A - D)
SW203
SW204
SW205
SW502
SW503
SW508
SW601
The voltage in each part is measured with
l
no signal given.
As for the radio circuit, the voltage indica-
l
tion without parentheses is in FM stereo
mode, and that with parentheses is in
. As for the audio circuit, the voltage indica-
tion is in play mode at normal speed. The
voltage indication with parentheses, for
speed.
Block Diagram of APSS Integrated Circuit
Names of Switch
Band Selector Switch
Record/Playback Switch
Power Switch
Function Selector Switch
FM Mode Selector Switch
Tape Selector Switch
Dubbing Switch
Input Selector Switch
Beat Cancel Switch
I
Record Muting Switch
Parts marked with " 8" (
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.
Specifications or wiring diagrams of this
l
model are subject to change for improve-
ment without prior notice.
Constant
Amplifier
Figure 18 BLOCK DIAGRAM OF INTEGRATED CIRCUIT
F M -SW1 -SW2 - A M
Playback - Record
Tape/Line in - Radio
Mono - Stereo
O n - O f f
A - B - C
I On - Off
I On - Off
I
On - Off
On - Off
Metal - NormaVCrOz
Metal - Normal/CrOz
On - Off
I
A C
Detection Rectifier
circuit
FRONT VIEW
Switch Position
-
D C
Schmidt
Comparisor
circuit
circuit
I
I
I