Sanyo RD 203 - Chassis Bottom Assembly; Dolby NR Schematic Diagram; IC and Transistor Lead Identification

(Chassis Bottom)
4 5279 70836
Motor
141 2 3519 36901
Support Flywheel
141 25649 11100
Belt ASO
141 2 4469 00500
Thrust Flywheel
a \ 141 24219 17900
Screw
141 25519 27200
Pulley ASO
141 2 4539 15800 |
Washer —~
W 2.6x6x0.2 _®
141 28519 72000
Spring ASO Q/
141 24219 13200
Screw Washer :
141 2 7419 51700
Lever Stop
— 141 28519 73400
| Spring Lever Stop
141 28519 68100
| Spring Pause
141 2 7419 51900
WN 141 2 8519 19300
Ss Seg Brake
Plate Lock
1471 24219 12100
Lever
Stop
Eject
Sf
Screw
Washer
141 25649 11000
Belt Drive
|
oe
AG
“a, mh 141 2 3529 17900
* Spacer Brake
141 2 4539 06700 cal
Washer |
1412741951600
Lever ASO
EXPLODED VIEW (continued)
4 2269 33320
P.C.B. Transistor
+PMS C PW 3x6
4 2039 70601
2SC1846
+PTS-B 3x10
141 24539 15800
Washer
14105519 059071
Friction Assy
141 2 5649 09900 |
Belt Take-up.
141 2 8519 03600
Spg Shut-off Lever
s
we
141 27149 03400
Brake
141 2 4459 20501
Cover Brake
141 2 8519 70500 ow
( +BTS-2 2x6
4 2319 73110
Leaf Switch Sh
141 24219 05400
Screw Washer
tw
~~
~~
Spring Plate Record
4A5=
141 0 5219 03901
Flywheel Assy
141 2 4539 18400
asner
141 2 8539 35800 arate
Spring Flywheel
141
27319
33100
+PMS
C
SW
3x5
141 2 7419 48300
Lever Record Stop 141 24219 05400
Screw Washer
141 2 8429 05400
Plate Record
DOLBY
NR
SCHEMATIC
DIAGRAM
a
L103. L203
DOLBY FILTER
C222
0,027) Ri24 RI25
R224 R225
180 lok
Fre RN tee see eA Na a ae ene en Oe eee eee
L
3 5 7 6
IC
&
TRANSISTOR
LEAD
IDENTIFICATION
FRONT
VIEW
|
BOTTOMVIEW
|
TRANSISTOR
2SC536
2SC693
2801815
IC NE646B BOTTOM VIEW
2SC 1846
TERMINAL NAME
B> BASE
C> COLLECTOR
E> EMITTER
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