Yamaha AS1000 - Amplifier, Owner'S Manual

Page: 69 / 212

21
De
■
Blockdiagramm
PHONO
CD
SPEAKERS L CH
PHONES
TUNER
LINE1
LINE2 PB
LINE2 REC
PRE OUT
MAIN IN
B
UFFER AMP
B
UFFER AMP
µ
COM
for
µ
COM
PR
O
TECTION
REMO
TE
B
ASS
TREBLE
B
ALANCE
FR
ONT P
ANEL
INPUT SEL
V
OLUME
CONTR
OL
SUB TRANSFORMER
MAIN TRANSFORMER
INDEPENDENT REGULA
TED PO
WER SUPPL
Y (f
or A
UDIO)
INDEPENDENT FLO
A
TING
PO
WER SUPPL
Y
(f
or PO
WER AMP /
V
OL
T
A
GE AMP ST
A
GE)
PO
WER SWITCH
for MC AMP
for EQ AMP
for LINE AMP1
for LINE AMP2
for VOLUME1
for VOLUME2
INPUT
SELECT
OR
V
OLUME &
T
ONE CONTR
OL
FLO
A
TING B
ALANCE
PO
WER AMPLIFIER
to PO
WER AMP
R CH
HEADPHONE AMP
A B
+
–
+
–
SPEAKER DRIVER
HOT (POSITIVE PHASE) SIDE
SPEAKER DRIVER
COLD (NEGATIVE PHASE) SIDE
HO
T
T
ONE CONTR
OL DEVICES
SP A L CH SP B L CH
FLA
T
MAIN DIRECT
AT
T
. 1
AT
T
. 2
AT
T
. 3
COLD
L CH for HO
T
L CH for COLD R CH for HO
T
R CH for COLD
EQ AMP
MC
HEAD AMP
MM/MC
B
ALANCE
⇐⇒
UNB
ALANCE
CONVER
TER
BALANCE
⇐⇒
UNBALANCE
CONVERTER
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