Marantz SR-66 - Printed Circuit Board Diagrams (continued); Front Board Diagram

#61
“62
#64
TUNING TUNING
P
e
5
AM
sweo6
eT
BASS TREBLE
4 Sw2i0 Sweii
FL101%
STEREO
MONO
SLEEP CH
VIDEO 12 NA Wt
a a 1FRA731 ONLY
LO'FA751/SR66 !
HI: FA731 :
Lee mew ee em ew ws
PH
ce20o0 c20i
Oey To: 047
FR75 1/SR66/FA734
FRONT B’D
400 1004800
SS [x
| R236 _|
| 4.7 | JUMPER |
| R237 | 4.7 | JUMPER
-— 8236
Cce2o9s
100/35
POWER OFF MUTE C)
[irc ac) ef}
o
i
os
Ne
BALANCE
Sweia
PRESET
Sw2i6
17
uPD7BO44GF
TO TUNER
Di eases On oecemeeel a arenes Ua ma Me
Cai:
10/50
o206
OTC114YS
18
/
a209
KTALOIM
Q201
OTC114YS
TO PWR Sw B'O
TO POWER SUPPLY B'D
FR751/FA731/SR66
POWER SW B’D
400 1001820
TO FRONT B°D
4.Resistor values are indicated in
onms unless otnerwise specified
{x=3. 000 M=1-000-000 }
@.Capecitor valves ere inaicetes in
microfarsdes unless otnerwise
specified.
CAUTION
Setety precaution to be foallowed
Guring servicing
1)Since tnose perts marked with
ere critical parts for safety.
use only the one descrived in the
eerte list
(p=micro-microtececdes |
2i@etore returning tne set ta the
customer make sooroprisate leakage
current or resistence measurements
to cetermine tne exoosec parts
are properly insulates from tne
supply circuit.