NAD 116 - Schematic Diagram: Phono Preamp and Power Supply

SCHEMATIC
DIAGRAM(Phono
Preamp/Power
Supply)
C113 Q107 +24V
220u/25 25C1815
‘ Ri6i ° Ris9
oe
is?7K
|
Lik
NOTES:
Sooete 1. Resistors, unless otherwise specified, are carbon film +/-—-5S% 1/4W.
2 c1is 2. Ceramic capacitors, unless otherwise specified, are SOV +/-5%.
20u/25
25A1015 3. Diodes, unless otherwise specified, are 1N4148.
: 4. Components marked with are safety critical parts.
R105
3K9
C101 _
100u/10 R157
JKiOL 237uUH C103 c14S Bees
< 4 PHR>
: 22u/s0 | >6°
: C147
R163 ? 2200p
z 22K
feiss y @119
C114 2108 4K7 : } +24V
220u/25 2SC1815 | 24
Ri36/|R1i38 Ri6G2 * R160
137K 11K
47n
1000u/16
Q@110
2SA1015
R106
3K9
C102
100u/16 che Soo
C146
C124 : R1ié66
- 10u/50 | PHL
22u/so0 | 769
c148
R164 ? 2200p
22
120
2SA1015
= MM
Cc R148 +29
‘. O
are : -24V
L :
, D354 Ic3S1 Bees I¢354 D364 +18V
\.
1N4002
M3177
IN4002
ppeitzebts
4N4002
.
C199 ecserd TOOL D351 mee
10n C152 C122 AN uN 1N4002
100p
100p
4K?
RL3O1A
ACL F351 -
= rH 3,
cae tes 6 D3s9 D367
AC2 TO.8A 250V 1N4002 1N4002
RL3018
AC2 F3S2 : mae a =
ACO 4 Tr~O 0 D368
>
.
1N4002
1N4002
nq
ACO
An
. SWOOL ci 4
MAINS IN MAINS SWITCH
‘:
4
D352
p3ss
A
A TRANS 116 IN4002 1N4002 o3e5 -18V
. : IN4002
. +R24V ¢
c500 PAN 7 9 —24V
4n? 400V
CLASS X D3S6 IC353 IC356 rf tte +5V
tnaooe M7824 LM780 IN
LK34
2R2
FUSIBLE
: —i+ D369
e 1N4002
7
C353
C364
oA
1000u/50 10u/S0 10u/50
10