manual

21 En
■ Block diagram
CD BAL
PHONO
CD
SPEAKERS L CH
PHONES
TUNER
LINE1
LINE2 PB
LINE2 REC
PRE OUT
MAIN IN
BUFFER AMP
µ COM
for µ COM
PROTECTION
REMOTE
BASS
TREBLE
BALANCE
FRONT PANEL
INPUT SEL
VOLUME
CONTROL
SUB TRANSFORMER
MAIN TRANSFORMER
INDEPENDENT CURRENT REGULATED POWER SUPPLY (for AUDIO)
INDEPENDENT FLOATING
POWER SUPPLY
(for POWER AMP / VOLTAGE AMP STAGE)
POWER SWITCH
for MC AMP
for EQ AMP
for LINE AMP1
for LINE AMP2
for VOLUME1
for VOLUME2
BUFFER AMP
INPUT SELECTOR
VOLUME & TONE CONTROL
FLOATING BALANCE
POWER AMPLIFIER
to POWER AMP
R CH
LOW IMPEDANCE DRIVE
HEADPHONE AMP
A B
+
–
+
–
SPEAKER DRIVER
HOT (POSITIVE PHASE) SIDE
SPEAKER DRIVER
COLD (NEGATIVE PHASE) SIDE
HOT
HOT
HOT
TONE CONTROL DEVICES
SP A L CH SP B L CH
FLAT
MAIN DIRECT
TONE CONTROL/FLAT
ATT. 1 ATT. 2 ATT. 3
TONE CONTROL DEVICES
FLAT
ATT. 4 ATT. 5 ATT. 6
COLD
COLD
COLD
L CH for HOT L CH for COLD R CH for HOT R CH for COLD
EQ AMP
HOT (POSITIVE PHASE) COLD (NEGATIVE PHASE)
MC
HEAD AMP
MM/MC
UNBALANCE
⇐⇒
BALANCE
CONVERTER
BALANCE
⇐⇒
UNBALANCE
CONVERTER
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