Aiwa AD-6550EE User manual

|
CASSETTE
:
DECK
Semiconductors:
Power source:
Power consumption:
Dimensions:
Weight:
Track system:
Tape speed:
Wow & flutter:
Automatic shut-off
action time:
Pinch roller pressure:
Take-up torque:
FF & rewind torque:
FF & rewind time:
Playback output:
(TTA-161)
Playback noise:
Rec./pb output:
(400 Hz 0 VU)
Rec./pb distortion:
(400 Hz0 VU)
Rec./pb S/N:
(400 Hz 0 VU)
(UNn- Weighted )
Channel separation:
Cross talk:
Erasing ratio:
SPECIFICATIONS
4 IC’s, 45 transistors,
35 diodes & 2 LED's
AD-6550EE:
AC
110~120
V/220~240
V
(switchable)
50/60
Hz
AD-6550UK: AC 120 V/240 V
(switchable) 50/60 Hz
10 W
420(W) x 150(H) x 330(D) mm
7.5 kg
4-track 2-channel stereo
4.76 cm/sec. +1%
0.1% (According to DIN 45 500 Blatt 8)
4 +1 sec.
375 +30g
50 +10 g-cm
125 +25 g-cm
Less than 95 sec. (w/C-60 cassette)
1.05 +0.05 V (LINE/DIN)
Less than 4.5 mV (LH)
Less than 3.0 mV (Fe-Cr, CrO, }
O VU +£0.5 dB (LINE/DIN)
Less than 2.0% (LH)
Less than 1.5% (Fe-Cr)
Less than 3.0% (CrO, )
More than 43/45 dB (LH, DOLBY
OFF/ON)
More than 45/48 dB (Fe-Cr, DOLBY
OFF/ON)
More than 45/48 dB (CrO,, DOLBY
OFF/ON)
More than 28 dB (at 1 kHz 0 VU)
More than 65 dB (at 1 kHz 0 VU)
More than 60 dB (400 Hz +10 VU)
@ Dolby Noise Reduction System is
AIWA
(SERVICE MANUAL)
a a a
Set using 1SO screws
DATE OF ISSUE 26/7/1977
100 kHz +10 kHz
LH tape, 20~15 kHz (—10 dB)
30~13 kHz (+3 dB)
Fe-Cr tape, 20~17 kHz (—10 dB)
30~15 kHz (+3 dB)
CrO, tape, 20~17 kHz (—10 dB)
30~15 kHz (+3 dB)
(at Dolby off, Rec./pb)
Bias frequency:
Frequency response:
Motor: 38 pulse FG servo motor
Head: Ferrite guard head (FGH)
Input: MIC: Max. input semsitivity 0.3 mV
(200 2 ~ 10 kQ suitable)
LINE IN: Max. input sensitivity 50 mV
(More than 50 kQ)
DIN: Max. input sensitivity 0.1 mMV/kQ
(3 kQ)
Output: LINE OUT: Standard output level
0.775 V (0 VU)
Optimum load impedance
more than 50 kQ
DIN: Standard output level
0.775 V (0 VU)
Optimum load impedance
more than 50 kQ
PHONES: 3.4 mV (+3 VU)
Load impedance 8 2
@ Specifications and external appearance are subject to change
without notice due to product improvement.
licensed from Dolby
Laboratories Incorporated.
@ Thename “Dolby” and the ‘Double D” symbol! are trademarks
of Dolby Laboratories Incorporated.

MODEL AD-G550EE,UK
DISASSEMBLY INSTRUCTIONS
To Remove Cabinet
Remove 7 screws.
Unies satdne = U@4—6(Black)
UT) i3— 8 (Black )
UG4—6(Black)
{
To Remove Power Circuit Board
Remove 3 screws.
Hees wie
VIT@O3—~—5
-
sf
To Remove Main Circuit Board
Remove 2 screws.
VIT@®3I—-5
To Remove Bottom Cover
Remove 4 screws.
e —VITH 3-5
VITH3—5
To Remove MIC/PHONE Jack Circuit Board
Remove 2 screws.
To Remove DIN Circuit Board
Remove 3 screws.
MIC.“ PHONE JACK circuit board
|
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UD3-5 ats
NOY
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DIN circuit _ OP
SS.
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~
~~
To Remove Rec. Volume Circuit Board
Remove mounting nut.

IWA
MODEL
AD-6550EE,UK
To Remove Front Panel To Remove Mechanism
Pull out the 6 knobs and remove 9 screws. Remove 5 screws.
VITH3—§
To Remove Front Chassis To Remove LH Bias Volume Circuit Board
Remove mounting screw. Remove mounting nut.
To Remove Lamp Circuit Board To Remove Eq./Switch Circuit Board
Remove mounting screw. Remove 4 screws and nut.
VT @2.6—6

MODEL AD-6550EE,UK
EXPLODED VIEW-—1
AIWA:

IWA
MECHANICAL PARTS
146
1-7
1-8
1-9
1-10
1-11
1-12
1-13
1-14
1-15
Part No.
09-047-084-01
82-397-003-01
82-397-018-01
82-397-250-01
82-397-246-01
82-387-028-01
82-397-027-01
82-397-004-01
82-397-245-01
82-380-439-01
82-397-293-01
82-397-021-01
82-397-019-01
82-397-023-01
82-399-024-01
82-397-062-01
Part No.
Changed to
PARTS LIST
Description
Pane! Assembly
Panel, Front
Window, Meter
Cover, Selector button
Cover, Reset button
Guide, Lever switch
Ring, AC switch button
Cabinet, Steel sach
Himeron cloth, Cabinet
Spacer, Back panel
Bottom lid
Knob B ass’y, RECORD LEVEL
Knob Aass’y, RECORD LEVEL
Knob ass’'y, OUTPUT LEVEL
Knob ass’y, TAPE SELECTOR
Knob, LH BIAS FINE
MODEL AD-6550EE,UK
AD-6500
*
*
m * Mark in this part fist shows exclusive part
(which is used) for only Model AD-6550.
NAN =
EBay |] ao os oa a oa a
Part No.
87-327-074-01
Description
UT2 +2.6-8 (Black)
O'ty
Description O'ty
U + 4-6(Black)
87-257-169-01
1-102 87-233-094-01 | Q+3-6 1-106 87-081-481-01 | VTT + 3-5
1-103 87-233-095-01 | Q+ 3-8 1-107 87-081-499-01 | PW4-8-0.25
1-104 87-326-095-01 | UT: + 3-8(Black)

AIWA
MODEL AD-6550EE,UK
EXPLODED VIEW-—2
UK model only

WA
Part No.
Part No.
Description
MODEL AD-6550EE,UK
2-102
2-103
2-104
2-105
2-106
2-107
2-108
2-109
82-397-201-01
82-399-025-01
82-385-382-01
82-385-383-01
82-397-324-01
82-397-028-01
82-397-017-01
82-397-030-01
82-397-031-01
82-397-032-01
82-397-316-01
82-397-239-01
82-397-210-01
82-397-029-01
82-397-061-01
, 82-397-902-01
82-397-330-01
87-034-835-01
87-034-848-01
82-397-014-01
82-397-063-01
82-386-629-01
82-397-008-01
82-397-009-01
87-085-102-01
87-033-088-01
87-038-039-01
84-184-242-01
82-397-318-01
82-397-232-01
82-397-319-01
82-272-424-01
82-397-229-01
82-397-243-01
81-301-040-01
82-397-334-01
82-397-317-01
87-085-144-01
82-397-248-01
82-397-310-01
82-397-335-01
82-397-241-01
82-397-054-01
82-397-235-01
87-040-090-01
82-387-273-01
82-380-457-01
82-397-694-01
82-397-244-01
87-085-094-01
87-085-095-01
87-056-008-01
87-056-014-01
Changed to +
Description
Amp. chassis assy
AC switch button ass’y
Rod, P
Stopper, Rod
Holder, Circuit board
Reset button
Name plate, Meter
Window, Counter
Lens, DOLBY
Lens, REC
Spring, Reset
Lever, Reset button
Front chassis
Selector button
Selector button (blue)
Shaft, Selector
Shaft, DIN circuit board
AC cord (EE model only)
AC cord (UK model only)
Name plate, Spec. (EE model only)
Name plate, Spec. (UK model only)
Shield plate, Jack
Jack plate (EE model only)
Jack plate (UK model only)
Nylon rivet
Earth terminal
Wire binder
Rubber, Sound-proof
Stide rod, PAUSE
Holder, Solenoid
Stide rod, Auto A
Spring, Brake
REC holder ass’y
REC lever A
Cushion, Circuit board
Auxiliary plate
Slide rod, REC
Leg
REC fever C
Spring, REC
Spring, REC-C
REC lever B
Cover, DIN
Collar, LED
Counter
Holder, Jack
Stopper rubber, Up-plate
Earth lug
Holder, AC cord
Holder A, AC cord
Holder B, AC cord
Label, AC cord (UK model only)
Tag, Main voltage (UK model only)
AD-6300
AD-6300
Description
SPeePe roe nNeranNer ae saan Prose sn nn sennyNnNenw We sana nn es Po Waaennnnsnan py goeas
Q
<
87-257-033-01
87-253-071-01
87-253-093-011 |
87-253-170-01
87-261-101-01
87-233-035-01
87-233-094-01
87-233-095-01
87-341-095-01
U + 2-4(Black)
U + 2.6-4
U+3-5
U+4-8
V + 3-18
Q+ 2-6
Q+3-6
Q+3-8
UT, +38
APA NANN AN AHN
Ref. No.
2-110 87-351-073-01
2-111 87-480-093-01
2-412 87-480-169-01
2-113 87-081-481-01
2-114 87-433-906-01
2-115 87-441-006-01
2-116 87-441-009-01
2-117 87-391-024-11
VT, + 2.6-6
VS + 3-5
VS + 4-6
VIT +35
WTIE4-10
STE-2.3
STE-3
N4
RP SenNaAYUNN =

AIWA
MODEL AD-6550EE,UK
EXPLODED VIEW-3
Soy
-
“A
By
DO
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i
\
A
\
“O\\
/
eo
Om ©
eS) e \
p
WV
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ry a
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<a
7
POM
¥
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Yea
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\IWA
Part No.
——1-
Part No.
Changed to
3-9
. 3-10
3-11
3-12
3-13
3-14
3-15
3-16
3-17
3-18
3-19
3-20
3-21
3-22
23~36
3-23
3-24
3-25
3-26
3-27
3-28
3-29
3-30
3-31
3-32
3-33
3-34
3-35
3-36
3-37
3-38
3-39
3-40
3-41
3-42
3-43
3-44
3-45
3-46
3-47
3-48
3-49
Ref. No.
3-102
3-103
3-104
3-105
3-106
82-397-279-01
82-397-276-01
82-397-274-01
82-397-275-01
82-397-046-01
82-397-048-01
82-397-045-01
82-397-047-01
82-397-278-01
82-397-252-01
87-038-039-01
82-397-280-01
82-397-303-01
82-397-261-01
82-397-218-01
82-397-281-01
82-397-302-01
82-397-271-01
82-397-340-01
82-397-265-01
82-397-348-01
82-397-256-01
09-047-077-01
82-397-043-01
82-397-312-01
82-397-225-01
82-397-339-01
82-397-056-01
82-397-052-01
82-397-044-01
82-397-313-01
82-397-053-01
82-397-036-01
82-397-040-01
82-397-055-01
82-397-042-01
87-329-036-01
82-397-264-01
82-397-325-01
82-397-314-01
82-397-228-01
82-379-617-01
82-397-247-01
87-081-483-01
87-087-029-01
82-397-211-01
82-397-647-01
82-272-424-01
82-397-270-01
82-397-301-01
Part No.
87-253-036-01
87-253-071-01
87-253-072-01
87-257-073-01
87-253-093-01
87-233-074-01
U+2-8
U+26-4
U+2.6-5
U + 2.6-6(Black)
U+3-5
Q+2.6-8
O'ty
Description
MODEL AD-6550EE,UK
Coliar, Push key
Push-key lever, REW
Push-key lever, PLAY
Push-key lever, STOP
Push-key lever, FF
Push-key, STOP
Push-key, PLAY
Push-key, REC
Shaft, Push-key
Holder, Push-key
Wire binder
Lock plate, Cassette lid
Spring E, Oil drum
Lock lever ass’y
Frame chassis L ass'y
Flange collar, Cassette lid
Spring C, Oil drum
Idler lever ass’y, Oil
Drum B ass’y, Oil
Drum ass’y, Oil
Spring, Cassette lid arm
Cassette lid lever L ass’y
Cassette lid ass’y
Cassette case L
G cushion, Cassette case
Cassette case ass’y
G cushion
Cassette tid
Bushing, Cassette tid
Blinder
G cushion, Blinder
G cushion, Cassette window
Cassette window
Special screw, 4mm@ x 13mm
Cushion, Cassette lid
Cassette case R
QT: + 2-8 (Black)
Cassette lid lever R ass'y
Rubber bett C
Rubber beit A
Relay pulley
Ring magnet
Shaft ass’y, Relay
Motor screw
Rubber cushion
Frame chassis R ass’y
Holder, Motor circuit board
Brake spring
Shaft, Stopper C
Spring, Lock lever
3-108
3-109
3-110
3-111
3-112
AD-1800
*
teense [ow
87-081-481-01
87-480-072-01
87-410-318-01
87-081-489-01
87-081-499-01
87-441-006-01
VTT + 3-5
VS + 2.6-5
W3-13-0.8
PW4-8-0.25
STE-2.3
PW1.7-3.5-0.25
Bea Be YONNeB Be eBeNBABPeBeP Bee A WWANN
BPFENONHAHNWH NH NANN
Peo ow a WW A Ba eo ow

MODEL
AD-6550EE,UK
AIWA
EXPLODED
VIEW—4