Aiwa AD 6600 Service Manual

Page 1

STEREO CASSETTE DECK WITH DDLBY-NR
L SYSTEM

MODEL ND. AID-6 EDD U, E, K

ear

For Service Manuals Contact ®
MAMIITRON TECHNICAL SERVICES
6 Cherry Tree Rd, Chinnor
Oxon OX9 4QY

Tet- OIWSSISBA Fax:- 01844352554

Cord No.. 04660-00046

DATE OF ISSUE 11/1978

SPECIFICATIONS

Semiconductors: 10 ICs, 57 transistors, 33 diodes. Channel separation: More than 28 dB
2 LEDs (U model) (1 kHz, 0 VU)
10 IC's 69 transistors, 34 diodes. Cross talk: More than 60 dB
2 LEDs (E, K model) (1 kHz, 0 VU)
Power source: AC 120 v 60 Hz (U model) Erasing ratio: More than 60 dB
AC 110N120V/220~240V (400 HZ. 0 VU, *10 dB)
switchable 50/60 Hz (E model) Level drift: Less than 0.5 dB
AC120V/240V (10 kHz, 0 VUI
switchable 50/50 Hz (K model) VU mater display error: 0 VU 2 0.5 dB
Power consumption: 10W (U model) (GNU)
14w (E, K model) Peak indicator hold time: 3 sec
Dimensions: 17-%"(W) x 5-15/16"(H) x Bias lraquancy: 100 kHl
13"3) Frequency response: LH tape 20 ~ 15,000 Hz
[450IWIX15OIHIX 330(D)mm) 30 ~ 13,000 Hz (2 3 (13)
(U model) Fe~Cr tape 20 ~ 17,000 Hz
420(Wlx150lHIX 330(D) mm 30 ~15,000 Hz (2 3 dB)
(E, K model) CrO2 tape 2!.) ~ 17,000 Hz
Weight: 18.7 lbs (8.5 kg) (U model) .30 ~ 15,000 Hz (at 3 dB)
75 kg (E, K model) Rut: mute crosstalk: More than 63 dB
Track type: 4 tracks 2 channel 1 kHz, 0 VU: 0 d5}
Tape speed: 1-7/8 in: 2 1% Mom" 38 pulse FG servo motor
(4.76 cm/sec 2 1%) Head: Ferrite guard head (FGH)
Automatic stop system: Full auto stop IHPUII MIC: Max. input sensitivity
Automatic shut-off action time: 03 mv (200 .0 ~ 10 ka
4 t 1 sec suitable)
Pinch roller pressure: 375 t 30 9 LINE 'N/RECI Max. input
Take-up torque: 50 z 10 gram sensitivity
FF 8: rewind torque: 125 t 25 9cm 50 mV (More
FF & rewind time: 95 , 1.5 sec than 50 kn)
' 1.0 Output: LINE OUT/PLAY:
Unattended recording action time: Standard amour level
3.2 2 1.5 sec 0.775V
(at Power switch 0N) (Optimum load imped-
Plav back output: 1.05 2 0.05V (LINE) ance more than 50 kn)
(TTA-151) PHONES: 0.175V
Play back noise: Less than 3.0/2.0 mV (CrO, , (Load impedance 8m
Fe-Cr Dolby NR OFF/ON) (U model)
Less than 4.0/2.5 mV (LH, 0-110V
Dolby NR OFF/ON) (Load impedance 8:7.)
I Root/Pb. output: 0 VU : 1 dB ' IE,K model)
l Rem/Pb. distortion: Less than 2.0% (CrOa , LH)
Less than 1.5% (Fe-Cr) 0 Specifications and external appearance are subject to change
Ram/Pb. SN ratio: More than 45/48 dB without due to product improvement.
(400 Hz. 0 VU) (CrO , FeCr, Dolby NR 0 Dolby Noise Reduction System is licensed from Dolby
(Unweighted) OFF ON) Laboratories Incorporated.

More than 43/45 dB (LH, I The name "Dolby" and the "Double D" cumhnl :rn imam

Page 2

_ 5:54

MODEL N0. AD-6600U,E,K .AIWA

DISASSEMBLY INSTRUCTIONS

1. To Remove Cabinet

4. To Remove Main Circuit Board
1) Remove 7 screws. (Refer to Fig. 1)

1) Remove the rod stoppers and take out the pus-rods.
(Refer to Fig. 4)

m A .

U447 Mum ? um: mum 2) Remove Zscrews. (Refer lo Fig. 5)

Fig. 4

2. To Remove Front Panel
1) Remove 2 screws, securing cassette window in place.
2) Pull out the control knobs.
3) Remove 7 screws.
(Refer to Fig. 2)

vTr®3- 5

Fig. 5

5. To Remove Front Chassis

1) Remove the rod stoppers and take out the push-rods.
(Refer to Fig. 4)
2) Remove 2 screws. (Refer to Fig. 6)

Fig. 2

3. To Remove Mechanism
1) Remove the counter belt.
.2) Remove 7 screws.
(Refer to Fig. 3)

VT7@3-5 UT@J_E
CM W;TT@J_5 For Service Manuals Conrad
MAURITRON TECHNICAL SERVICES _
6 Cherry Tree Rd, Chinnor Fig. 6
Oxon OX9 4QY
Tet-01844351694 Faxz- 01364-352554
Bnalt- emieséimaummmm

Fig. 3