Aiwa AD F410 Service Manual

Page 1

S/M Code No.91 -026 DATE OF ISSUE 6/1991 ~T

Al WA® AD-R507
AD-F41O

D o a 'l 1- ° °

O O

- =,
STEREO CASSETTE DECK

U (R507)

. BASIC TAPE MECHANISM: (1-14 . TYPE. H,E.K,Z (F410)

AIWA CO., Ltd. Tokyo J apan

Printed in Japan

Page 2

SPECIFICATIONS

AD- R507

TYPE Stereo cassette tape deck
Track lormat 4 tracks, 2 channels
Power supply AC 120 V, 60 Hz

Power consumption
12 W
Frequency response
METAL tape: 20-18,000 Hz
CrOz tape: 20-17,000 Hz
NORMAL tape: 20-16,000 Hz
Signal-to~noise ratio
73 dB (METAL tape DOLBY C NR
ON above 5 kHz)
Wow and llutter 0.065% (WRMS)
0.18% (according to DIN 45500)

Tape speed 4.8 cm/sec. (17/5 ips)
Recording system AC bias (frequency 85 kHz)
Erase system AC erase

Motor DC servomotor (1)

Heads Recordlplayback head (1)

Erase head (1)
(Double-gap lerite head)

Inputs REC/LINE lN maximum input
sensitivity: 50 mV (47 kn)
Outputs PLAY/LINE OUT standard output

level: 350 mV (0 VU); suitable load
impedance: over 47 k0
PHONES: 014 mW (320)

Dimensions 430(W) x 133(H) x 269(0) mm
17 (W) x 5]: (H) x 105/5 (D) inches
Weight 3.9 kg

8.58 lbs.

AD - F41 0
Type Stereo cassette tape deck
Track tormat 4 tracks, 2 channels
Power supply AD-F41OE, Z
AC 220 V, 50 HZ
AD-F41OK
AC 240V, 50 Hz
AD-FMOH

AC 110-120 VI220-240 V
switchable, 50/60 Hz
Power consumption >
12 W
Frequency response
METAL tape: 20-20,000 Hz
Cr02 tape: 20-18,000 Hz
NORMAL tape: 20-11000 Hz
Signal-to-noise ratio
73 dB (METAL tape DOLBY 0 NR
ON above 5 kHz)
Wow and flutter 0.065% (WRMS)
(118% (according to DIN 45500)

Tape speed 4.8 cmlsec. (17/5 ips)

Recording system AC bias (frequency 85 kHz)

Erase system AC erase

Motor DC servomotor (1)

Heads Record/playback head (1)

(PGOCC super DX head)
Erase head (1)
(Doublegap lerite head)

Inputs REC/LINE IN maximum input sen-
sitivity: 50 mV (47 k0)

DIN max sensitivity (2 model
only): 0.1 mV/kfl (33 k0)

Outputs PLAY/LINE OUT standard output
level: 350 mV (0 VU); suitable load
impedance: over 47 kt)

DIN standard level (2 model only):
0.3 v (o VU)
PHONES: 0.14 mW (320)

Dimensions 430(W) x133(H)x 269(0) mm
17 (W) x 5l4 (H)x105/a (D) inches
Weight 3.9 kg

8.6 lbs

. Design and specifications are subject to change
without notice.

0 Dolby noise reduction and HX Pro headroom exten-
sion manutactured under license from Dolby Labora-
tories Licensing Corporation. HX Pro originated by
Bang 8. Olufsen.

O "DOLB . the double-D symbol DD, and HX PRO"
are trademarks of Dolby Laboratories Licensing Cor-
poration.

Page 13

6. HX Offset Adjustment (R507 ONLY)

Settings :

Method :

7. REC/PB
Settings 1

Method :

Rated

' Test tape : TTA * 620 (TTA - 119M?)
-Test point : TF2 (L ch), TPS (R ch)
'Adjustment Location : L301 (L ch)

L302 (R ch)
Set to the record mode and adjust so that the
bias voltage leaking to the test point is

minimum level_

Frequency Response Adjustment
- Test tape : TTA - 600 (TTA - 119K)
- Test point : LINE OUT jack
-Input signal :1 kHz/10 kHz (LINE IN)
' Adjustment Location : SFRSOI (L ch)

SFRSOZ (R ch)
Apply a 1 kHz signal and adjust attenuator so
that the output level at the LINE OUT jack is
35 mV.
Record and play back the 1 kHz and 10 kHz
signals and adjust so that the output of the 10
kHz signal is -0.5 dB with respect to that of
the 1 kHz signal.

: CrOZ : 012.0 dB

METAL : 0 I 2.0 dB

8. REC/PB Sensitivity Adjustment

Settings :

Method :

Rated

- Test tape : TTA > 600 (TTA - 119K)
- Test point : LINE OUT jack
- Adjustment Location : SFRZOI (L ch)
SFRZOZ (R ch)
Apply a 1 kHz signal and adjust attenuator so
that the output level at the LINE OUT jack is
35 mV.
Record and play back the 1 kHz signal and
adjust so that the output is -0.5 dB.
CrOZ :0 :10 dB
METAL : 0 t 1.0 dB

18

PRACTICAL SERVICE FIGURE

PB output level:
REC/PB output level :
Distortion (REC/PB) :
Erasing ratio :
Crosstalk :

Channel separation 2
Noise (PB) : (R507)

(LINEAR)

(F410) (LINEAR)

Noise (REC/PB) :
(F410) (LINEAR)

PB/REC S/N ratio :
(R507) (LINEAR)

Recording bias frequency:

Tape speed :
Wow & flutter (W.RMS) :

Take - up torque :
F.F & REW torque :
Back tension :

Test tape :

500 th40 mV (LINE OUT) (R507)
470 mViSO mV (LINE OUT) (F410)
0VU12.0 dB (LINE OUT) (R507)
OVUi' 1.0 dB (LINE OUT) (F410)
Less than 2.0%
(NORM.. CrOZ. MT)
More than 60 dB
More than 60 dB
More than 35 dB (R507)
More than 40 dB (F410)
Less than 4.8/16/12 mV
(DOLBY OFF/B/C NORM.)
Less than 2.9/1.3/10 mV
(DOLBY OFF/B/C CrOZ. MT)
Less than 4.0/2.2/2.0 mV
(DOLBY OFF/B/C NORM.)
Less than 3.0/2.0/1.8 mV
(DOLBY OFF/B/C CrOZ. MT)
Less than 4.3/2.1/1.7 mV
(DOLEY OFF/B/C NORM.)
Less than 3.4/1.7/1.7 mV
(DOLBY OFF/B/C CrOZ. MT)
More than 34/44/47 dB
(DOLBY OFF/B/C NORM.)
More than 40/46/48 dB
(DOLBY OFF/B/C CrOZ)
More than 40/47/48 dB
(DOLBY OFF/B/C MT)
85 kHz
3000 Hz t 1.5 %
Less than 0.08% (R507)
Less than 0.055% (F410)
30~50 3cm
120 : 30 gcm
2~5 gcm
NORMAL : TTA # 600

(TTA - 119K)
CrOZ : TTA - 610 (TTA -119H)
METAL : TTA - 820

(TTA - 119M?)