Block Diagram - Yamaha A-S201 Service Manual

A B
A-S201

■ BLOCK DIAGRAM

1
PHONO
2
CD
LINE
3
4
(ROTARY ENCODER)
5
6
7
32
C D
IC201
PHONO EQ.
NJM2068MD
MUTE
(REC)
IC202
E-VOLUME
BD3491FS
IC203
Volume
Microprocessor
R5F100JEAFA
Internal CLK:32MHz
Operation Key
(TACT SW.)
IC501
FL Driver
HT16515-44LQFP
FL Display
E F G
MUTE
POWER
AMPLIFIER
Relay Driver
Relay Driver
Power transformer
POWER SUPPLY
POWER SUPPLY
Sub-transformer
POWER SUPPLY
PDT/RST
H I
SP A
A
RY102
SPEAKERS
SP B
B
RY103
HP
PHONES
RY101
POWER
AC IN
110-120
220-240V/
50/60 Hz
• See page 41 →
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