Ampex 351 - Page 67

LOW SPEED
O
-6
HIGH SPEED
V
R50I
6-
6-
■O
R504
11
R507
PLAY K502
R503
■O
O
R506
BRAKE SOLENOID K505
BRAKE SOLENOID K506
RELAY CONTACTS
CAPACITORS
A-C CONTROL CIRCUIT
D-C CONTROL CIRCUIT
-ii-
SIMPLIFIED CONTROL CIRCUIT SCHEMATIC
6-20
6-19
NEUTRAL
j5O7p r~i~i
-j 3 | —
P507P
TO RECORD
RELAY CONTROL
NORMALLY
OPEN
R508
-Wr-
NORMALLY
CLOSED
CAPSTAN MOTOR
B5OI
TAKE-UP MOTOR
B502
REWIND MOTOR
B503
I
I
LOWOj --------
I
I HIGH
CAP. SOLENOID
K5OI
C5O3
SPEED
SWITCH
S503
■O — j-OO ---
I
I
I
K5O3-2
4H
K503-1.
HF-
K502-2
HI —
C504
HF
K504-2
HI —
K503-2
C5OI
4F
C5O8
HH
C5O7
HH
K504-2
dH
HF
C5I3
C5IO
HF
C5II
dF
K504-3
-dH
K503-3
HH
K502-3
-dH
C502
C509
HF
K503-3 K504-I
-ft — II —
115V AC FROM
ELECTRONICS
ASSEMBLY
P5O7P
a
R505
----- 4C5O6'» ---
HF
FASTFWD. K503
'VW']
'C505T
HF
JUMPER PLUG
I IP5O2P
-S s —
J502S
QSAFETY
SWITCH
S50I
SR5OI V
NEUTRAL
P507P [T]
FAST FWD
— S506
O ---------- f
STOP
| p 502
----------- ] REEL SIZE
SWITCH
S504
O
R502 fl
REWIND
— I ---- S507
O O -----------
J<5Q.2-I.
K504-3 K503-I
HI'r li —
, PLAY
— I — S505
REWIND K504
R5I0 P <VY '
HF
C5I2
R504>
I 15V AC FROM
ELECTRONICS
ASSEMBLY
P5O7P
T
O SAFETY
/ SWITCH
> S50I
9 JU MPER PL UG
I ^P5O3P
o --- 0 ± —
J503S