NAD 6220 - Component Layout; Block Diagram

ALIGNMENT COMPONENT LAYOUT
Main PC Board
TPY
TP7 TP10
a P8
DOLBY LEVEL (R)
DOLBY LEVEL(L)
oye:
(245mV)
[>
“Agee
2
TPIl
“UU
va)
DOLBY
DOLBY
LEVEL
LEVEL
ADJUST
ADJUST
(R) CE)
DOLBY Mh
BLOCK DIAGRAM
DOLBY NR IND. RCA OUT
~ Po
R/P
a
PLAYBACK
DOLBY
NR
AUDIO
LEVEL
IND.
I
MUTING
DRIVE
Q401~404 1C801
RCA IN
FILTER REC AMP
Q201~202
E
PLAYBACK
AMP
ae
BIAS
OSCILLATOR}
REC
AMP
oa
OSCILLATOR
DRIVER
DOLBY
NR
AMP
REGULATOR
Q501,
502
Q503,
504
Q601,
602
OSCILLATOR
POWER
SWITCH
REC
IND
gy
CASSETTE
MOTOR
POWER
TRANSFORMER
LEVEL
REGULATOR
IND.
Q701
Specs ¢ aleunnsbasannipecinn