II
ALPHA 220
PARTS LIST
1. *
2. +
3. ++
The KEY NUMBER (#)
marked with a (*) on parts list relate to
number of three digits with a
(0).
(Photo 4 - 7)
Numberals in file indicate the quantity of parts used in one type.
TR:
FET:
VR:
RES:
MO-RES :
CEM-
RES :
FP:
CAP:
CAP:
CAP:
CAP:
CAP:
BP-CAP :
LC-
CAP:
KEY
SYMBOL
Transistor
Field effect transistor
Volume control (Variable resistor)
Carbon film fixed resistor
Metal oxide film fixed resistor
Cemented wirewound fixed resistor
Flame proof
Ceramic capacitor
Aluminum electrolytic capacitor
Polyester film capacitor
Polystyrene film capacitor
Tantalum electrolytic capacitor
Bipolar electrolytic capacitor
Low current leakage electrolytic capacitor.
TYPE
PART
NO. NO.
DESCRIPTION
WE B
PACKING MATERIALS & ACCESSORIES
001
111
Carton box
9825790
002
222
Pad 9840970
003
111 Sack, polyethylen cloth
9640740
004
111
Sack
, polyethylen cloth - #13
9640320
005a
1-- Manual
, instructions - English and French 960340E
005b
Manual, instructions - in five different
languages
960340K
006
1-- Manual , safety instructions
9670410
007a
Card
, warranty - U.
967043A
007b
1-- Card, warranty - Canada
9670420
008
1-- List, service stations
9690210
009
111
Cord
, RCA phono pin plug - 2T-
962014A
*IO1a
*101b
*102a
*102b
*103
*104
*1O5a
:*1O5b
*106
*107
*108
*109.
*109b
*110
111
112
CABINET ASSEMBLY
111 Panel , front - SILVER
7885060
111
Panel, front - 8LACK
7885050
111 Panel, power level indicator - SI L
VER 7870540
111
Panel
, power level indicator - BLACK
7870490
111
Window
, power level indicator
7802650
111
Globe, LED - protection indicator
7402540
222 Handle - 100G - SILVER
7490180
222
Handle - 100B - BLACK
7490190
111 Guide, button - IP18
- power switch
7402550
111 Guide, button - 2P18 -
speakers selector
7402560
111 Globe
, LED - input power indicator
7402120
333 Button, push - M18GL - powerlspeakers
SILVER
7852290
333 Button, push - M18BK - powerlspeakers
8LACK
7852300
111
Cover
, top
7821110
111
Plate
, bottom
7326430
444 Foot, polyethylen - 22q,x
1 0 7401350
CHASSIS ASSEMBLY
NO.
4. Assemblies and parts are subject to change without notice.
5. Parts ordering procedure:
AND "SYMBOL" NUMBER.
A. DO NOT USE THE "
KEY" NUMBER
(these are control # for the factory only)
B.
Include in any order
a.
Part number.
b. Part
description.
c. Model number.
(any of the above lacking from an order may delay shipment of that order
CAUTION:
The L!:i mark, the KEY NO. and the SYM80L NO. circled with
rectangle in the schematic
diagram and the shaded area in the parts list designate components which have special charac-
teristics important for safety and should be replaced only with types identical to those in the
original circuit or specified in the parts list.
KEY TYPESYMBOL
DESCRIPTI0N
MAIN AMP PC BOARD ASSEMBLY
(POWER OUTPUT SECTION)
0727
728 222 TR 2SD882 (P or 0)
513119S
0729
730 222
TR 2SB772 (P or 0)
5111205
0731 732
0735
736 444
TR 2SC2565 (0 or R)
512127S
0733 734
0737,738
444
TR 2SA1095 (0 or R)
5101235
C741,742
222 CAP 0. 047uf
10% 400V
273473K
C743
- C746
444
CAP luf
100V
2118100
R781
- R788 888
CEM-
RES O.lohm 2Wx2
382109P
R789 790 222 FP-MO-RES 1O0hm
362100L
(DRIVER PCB SECTION)
IC701 111 IC AN6552
518096S
0701 702 222
FET 2SK 150A (GR) 5160385
0703
- 0706 444 TR 2SC1845 (E or F)
512115S
0707
- 0710 444 TR 2SA1144 (OorY)
5101205
0711,712
222
TR 2SCI941 (L or KI
512112S
0713,714 222 TR 2SC27O4 (0 or Y)
512122S
0715,716 222
TR 2SA992
(E or FI 5101105
0717
718 222
TR 2SC1845 (E or F)
5121155
0719 720 222 TR 2SC1815 (Y or GR)
512107S
0721
722 222
TR 2SA1015 (YorGR)
510102S
0723 724 222 TR 2SC2275 (P or 0) 5121205
0725 726 222 TR 2SA985
(PorO) 5101185
D701
- D704 444
Diode 2-
0A90
5oo013G
D705
- D708 444 Diode IS2076
501019S
D709,710 222 Diode GP10-4002
560066S
D802
111
Diode W02
56oo61S
ZD701
- ZD704 444 Zener diode RD22EB4 5020595
ZD705 706 222 Zener diode
RD13EB3 5020635
TH701
- TH704
444
Thermistor D2FHL-
103S
5400180
*202
203
*204
*205
206
*301a
*301b
*302
*303
111
7002510
Supporter
, filter capacitors
111
111
111
111
Power level indicator assembly
Inside panel, power level indicator
Light guide
, level indicator
Lamp - 8V 0.
4582770
7802660
7401580
5808210
BACK PLATE ASSEMBLY
1-- Plate
, back - (W)
Plate
, back - (E)
7326390
7326400
222
7401860
Block
, terminal guard
222 Terminal
, speakers - screw type 4P
4450480
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