Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment POLYTONE Polytone_PA378B_PCB
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Polytone PA378B
IN
BLK WHT
B C EE C B
C6 + R4
R7 C3 C4
Q1
R6
R3
C B E
Q2
R9 C2 +
C7
R1
C5
C1 R2 R12 R5
RED
E
R10
R14
R15
R8
D6
GRN
B
E B C
Q3
D3
C8
-
C10
+
R11
ORG
+ C9
C
D1
R13
D2
Q5
R17
PNP
C B E
R18
D4
Q4
+ OUT ORG
C
Q1 = PT 1583 RED
replaced by 2 x 2N5210
R19
GRN
D7
B
Q2, Q4 = NSDU57 = MPSU57
~ - BLU
C.T.
E
R16
replaced by MJE 172 BLU CR1
Q6
+ ~
C12
NPN
Q3 = NSDU07 = MPSU07
replaced by MJE 182
-
C11
Q5 = MJ 4502 +
Q6 = MJ 802 - OUT
R23 R22 BLU
D1 - D7 = 1N4004
R20
POLYTONE ENOTYLOP
PA378B
R21 B873AP
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