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à
's
G EN ER A L
Semiconductors:
Power source:
Power consumption:
Speakers:
Dimension:
Weight:
RADIO SECTION
Frequency range:
Intermediate frequency:
Sensitivity:
(IH F, THD 3%)
(S/N 10 dB)
Image rejection:
IF rejection:
Total harmonic distortion:: FM Less than 1.5% (at 98 MHz)
FM stereo separation:
Auto stop level:

SPECIFICATIONS

16 ICs, 1 FET .9 9 transistors,
68 diodes, 8 LED's, 1 LCD
Batteries DC 13.5V (UM-1 x 9)
Back-up power supply (for tuner memory)
DC 3V (UM-3, "A A "x 2)
H,HG model
AC 110 ~ 120V/220 ~ 240V
switchable 50/60 Hz
U,UC model
AC 120V/220 ~ 240V
switchable, 60 Hz
Car battery (thru car adaptor)
H,HG model
27W
U,UC model
39W
14Omm0 x 2 (Woofer)
(5-5/8")
5Omm0 x 2 (Tweeter)
2
(
" )
17Omm0 x 1 (Passive Radiator)
(6-3/4" )
588(W) x 325(H) x 163(D) mm
[23-1/4" x 12-7/8" x 6-1/2")
8.6 kg (18.6 lbs.)
FM
875 ~ 107.9 MHz
AM
522 ~1,611 kHz
FM
10.7 MHz
AM
450 kHz
FM (H,HG model)
13 ± 6 dB (at 87.9 MHz)
12 ± 6 dB (at 98.0 MHz)
13 ± 6 dB (at 107.9 MHz)
(U,UC model)
14 ±6 dB (at 87.9 MHz)
13 +6 dB (at 98.0 MHz)
14 ±6 dB (at 107.9 MHz)
47 ±5 dB (at 594 kHz)
45 ±5 dB (at 1,008 kHz)
42 ±5 dB (at 1,404 kHz)
FM 45 ± 5 dB (at 107.9 MHz)
AM 41 ±5 dB (at 1,404 kHz)
FM 80 ± 10 dB (at 87.9 MHz)
AM 31 +5 dB lat 594 kHz)
AM 1.7 ± 1.0% (at 1,008 kHz)
22 ±3 dB (at 1 kHz)
FM 22 ±10 dB (at 98 MHz)
AM 60 ±10 dB (at 1,008 kHz)
AIWA
[SERVICE MANUAL]
Code No. 29-880-000-78
DATE OF ISSUE 5/1981
TAPE REC O RD ER SECTIO N
Tape speed:
4.8 cm/s. ± 3%
Recording system:
AC bias
Erasing system:
AC erase
Record bias frequency:
61 ± 0.5 kHz
Distortion:
Less than 1.5% (PB)
Less than 1.5% (REC/PB)
M ETALtape
Frequency response:
CrOj tape
LH tape
More than 49/46 dB
Signal to noise ratio:
(Un-weighted)
[DC/AC] (PB)
More than 44/42 dB
[DC/AC] (REC/PB)
Erasing ratio:
More than 60 dB
Separation:
More than 39 dB (REC/PB)
Output power:
H,HG model
More than 24W [12W + 12W)
U,UC model
7 watts per channel,
Min. RM S at 8 ohms,
from 200 Hz to 10 kHz, with
no more than 10%
Total Harmonic Distortion
IFF & rewind time:
90 ±5 s. (atC-60)
Automatic stop system:
Mechanical auto stop
Pinch roller pressure:
125 ± 15q
Wow and flutter:
Less than 0.038% (WRMS)
+15
Take-up torque:
, ,
35
-5
FF & rewind torque:
110
±
Input terminal:
MIC 3.50 jack x 2
PHONO/LINE IN pin jack x 2
Input sensitivity /impedance:
MIC
LIN E IN
PHONO
Output terminal:
LIN E OUT
EX T. SP
PHONES
Noise reduction system manufactured under license from
Dolby Laboratories Licensing Corporation.
Dolby and the [Xj symbol are trademarks of Dolby Labo­
ratories Licensing Corporation.
Specifications and external appearance are subject to change
without notice due to product improvement.
3 5 - 16,000 Hz
35 ~ 13,000 Hz
35 ~ 12,500 Hz
c g-cm
20
g
0.3mV/3kfi
150mV/47kn
4mV/47kii
pin jack x 2
3.50 jack x 2
6.30 jack

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Summary of Contents for Aiwa CS-880 H

  • Page 1 à AIWA [SERVICE MANUAL] Code No. 29-880-000-78 DATE OF ISSUE 5/1981 SPECIFICATIONS G EN ER A L TAPE REC O RD ER SECTIO N 16 ICs, 1 FET .9 9 transistors, Semiconductors: Tape speed: 4.8 cm/s. ± 3% 68 diodes, 8 LED's, 1 LCD...
  • Page 2 L AIWA CS-880H,HG,U,UC DISASSEM BLING CHART OF MAIN PARTS To avoid troubles when disassembling or replacing the main parts, follow the chart diagram as below. Radio chassis (Including radio chassis, tuning, display MS, A {pattern side) PC Boards) Tuning circuit board...
  • Page 3 CS-880H,HG,U,UC AIWA D ISA SSEM BLY INSTRUCTIONS Installing the Main Case Removing the Main Case Remove 11 screws on the rear lid shown by arrows < Check that the fibre apper of the REC/PB PC Board (pattern die) is fixed properly.
  • Page 4 AIWA CS-880H,HG,U,UC Installing the radio chassis Removing the radio chassis Hook the jack plate to the tab of the rear lid while paying Be sure to remove the level meter before starting work to attention not to pinch the wire. Compress the radio chassis prevent the pointer of the level meter from being damaged.
  • Page 5 AIWA CS-880H,HG,U;UC Removing Mechanism Remove 4 screws. Loosen the screw and remove the hook of the rod.
  • Page 6 1 AIWA CS-880H,HG,U,UC Cautions on Disassembling MD-3 Mechanism Disassemble or repair the MD-3 mechanism while paying attention to the springs and levers, etc. shown in the figure below. the lever R EC driver) Be sure to hook the T-spring (P L A Y lever) to the cam of the gear when installing the gear PLA Y .
  • Page 7 AIWA CS-880H,HG,U,UC DESCRIPTION OF THE MD-3 MECHANISM Description o f the PLAY Operation When the gear (P L A Y ) rotates, the lever (P L A Y ) moves in the direction of the arrow • * - (3) along the cam groove on the rear of...
  • Page 8 CS-880H,HG,U,UC AIWA Description o f the FF Operation and the gear F R cam stops. The FR lever B moves in the direction When the F F button is pressed, the trigger lever F F moves in the of the arrow < - (3) along the groove of the gear FR cam, the FR...
  • Page 9 AIWA CS-880H.HG.il.UC REW Operation When the R EW button is pressed, the trigger lever R EW moves in The FR gear B is moved in the dirSfction the arrow < - (4) by means the direction of the arrow < - (1) and pushes the lever R EW in the of the cam of the gear FR following the rotation of the gear FR ;...
  • Page 10 CS-880H,H6,U,UC AIWA Description o f the PAUSE Operation The PA U SE lever moves in the direction of the arrow (3) along When the PA U SE button is pressed, the trigger lever PA U SE moves the cam groove of the PA U SE g e ^ a t that time. The P L A Y idler...
  • Page 11 AIWA CS-880H,HG,U,UC R EC Operation When one of the STO P, F F and R EW buttons is pressed, the REC When the R EC and P LA Y buttons are pressed simultaneously. trjgger |ever js re|eased from the R Ê t ,ever driver and on|y the the trigger lever R EC moves in the direction of the arrow - (1 ).
  • Page 12 AIWA CS-880H,HG,U,UC Description o f the Auto-stop Operation When the reel discs (S, T sides) stop, the lever auto A stops in the The motor rotation is transmitted to the gear auto-kick of the condition being moves in the direction of flle arrow (2).
  • Page 13 AIWA CS-880H,HG,U,UC SPRIN G APPLICATION POSITION...
  • Page 14 CS-880H,HG,U,UC AIWA EXPLODED VIEW —1...
  • Page 15 AIWA j CS-880H,HG,U,UC PARTS LIST MECHANICAL PARTS 1 mark in this part list shows exclusive part. Common Part No. Description Q 'ty Ref. No. Part No. Model Changed to Main case ass’y (Silver) 1-1 a 09-017-839-01 (H,U,UC model only) Main case ass'y (Blue)
  • Page 16 CS-880H,HG, EXPLODED V IEW —2...
  • Page 17 AIWA CS880H;HG,U,UC Common Part No. Description Q 'ty Ref. No. Part No. Model Changed to Whip antenna 87-043-058-01 Antenna terminal 87-033-166-01 Terminal plate. Antenna 82-587-220-01 • 82-587-205-01 Rod, REC 82-588-209-01 Cushion 15 x 15 x 41 CS-770 • Sheet, Fiber A...
  • Page 18 AIWA CS-880H,HG,U,UC E X P L O D E D V IE W —3 U 0 2 - I2 P W I.7 -3 .5 - 0 .2 5 P W I.7 -3 .5 -0 .2 5 P W I.7 -3 .5~ 0.2 5...
  • Page 19 CS-880H,H6,U,UC AIWA Common Part No. Description Q 'ty R ef. N o. Part No. Model Changed to 82-585-325-01 Outsert chassis Plate button, F R 82-585-277-01 Plate button, REC 82-585-337-01 Lever A, Eject 82-585-279-01 82-585-255-01 REC blocking lever 82-585-319-01 P-spring, Cassette pressure 82-585-254-01 Slide plate.
  • Page 20 CS-880H.HG, uuc I AIWA EXPLODED VIE W — 4 ___!___ I _ __ L V © 3 -I2 f ^ V T T ® 2 . 6 - 5 PW 2.1-3.5-0.25...
  • Page 21 CS880H,HG,U,UC Common Part No. Description Q 'ty Ref. No. Part No. Changed to Model Shaft lock 4 -1 82-585-289-01 C-spring lock 82-585-285-01 E-spring, Button lock 82-585-317-01 T-spring, Play lever 82-585-306-01 Slide plate, FR auto 82-585-283-01 Slide plate. Motor switch 82-585-282-01 82-585-327-01 Slide plate key ass'y Auto A lever...
  • Page 22 AIWA CS-880H,HG,U,UC « Description of Circuitry 1. Block Diagram o f Synthesizer Tuner ROD ANTENNA EXT. O - lf. ANTENNA TERM INALS Fig. 1 2. Outline o f PLL Frequency Synthesizer 2-1. Operation During FM Reception The pulse swallow system is first outlined.
  • Page 23 CS-880H,HG,U,UC AIWA 3-2. Controller juPD1703C-515 2-2. Operation During AM Reception When fs = 594 kHz is received: Contained in this IC are the conventional programmable divider fs = 594 kHz and f|p = 450 kHz section and control section. Therefore: fosc = 594 + 450 = 1044 kHz 3-2-1.
  • Page 24 [ AIW A CS-880H,HG,U,UC • The function in parentheses ¡s displayed by key operation based Pin no. Name Function on a momentary switch (marked oo ). SEG M EN TO U T • Manual/auto selection (*1) 8 ,9 ,1 0 ,4 A 1 ,B1 ,C 1 , D1 LCD segment output pins Manual/auto selection is performed by a fixed switch but in this...
  • Page 25 AIWA CS-880H,HG,U,UC 4-2. Scan Auto Stop Circuit 4. Other Circuits 4-1. FM/AM +B Power Selector Circuit IC 2 T C 4 0 I IB P ► To SD P IN Fig. 11 4-2-1. Operation During FM Reception The S-curve output pin 10 and meter output pin 15 of IF 1C (IC2, HA12413) are used.
  • Page 26 AIWÄ CS-880H,HG,U,UC 5-2-2. Detector Circuit meaning that the characteristics change. A t a scale position lower The level of this circuit is set by the frequency division ratio of than the volume control's tap position, the loudness characteris­ two resistors. tics are provided regardless of the strength of the sound level 5-2-3.
  • Page 27 AIWA CS-880H,HG,U,UC ACCESSOR IES/PACKAG E Common Part No. Description Q 'ty Ref. No. Part No. Model Changed to Printed indiv.. Packing 82-587-855-01 Cushion L, Printed indiv. 82-587-852-21 Cushion R , Printed indiv. 82-587-853-21 Poly-vinyl sack 87-051-137-11 Poly-vinyl sack 87-056-626-01 Instructions booklet (H.HG model only) 82-587-904-01 Instructions bookelt (U.UC model only)
  • Page 28 81 0525(1 )-Z...
  • Page 29 A I W A J ELECTRICAL MAIN PART LIST Part N o. D escription ' ‘ D escription S y m b o l N o . Sym bol N o . r Part N o. ^ T U N E R C IR C U IT BO A RD SEC T IO N > Q 4 5 ,4 6 8 9-320-011-21 T ransistor, 2SC 2001 (K,L)
  • Page 30 Part N o. Sym bol N o . S ym bol N o. Description D escription S ym bol N o. Part N o . ^ CO NTRO L C IR C U IT BO A RD SEC TIO N > <...
  • Page 31 LIST D escription Sym bol N o . Sym bol N o . Part N o . D escription Sym bol N o .F Part N o . Part N o . D escription S ym bol N o . Part N o.
  • Page 32 CS-88DH,HG,U,UC CS-880H,HG.U,UC CS-880H,HG,U,UC SCHEMATIC DIAGRAM-1 s i —j~ e FU N CTIO N (TAPE) S 1 2 M S+ B SW S 23 P R E S E T C H A N N E L - 4 0 R E C /P B S 2 - M 4 R EC/PB (P B ) S I 3...
  • Page 33 CS-880H,HG,U,UC CS-880H,H6.U,UC s t - i- e FU N CTIO N (TAPE) S I 2 MS + B SW C H A N N E L - 4 S 2 3 P R E S E T 0 R E C / P B C.B H L A M P SW ITCH C .B S 2 - M 4 REC/PB (P B )
  • Page 34 A I W A J SCHEM ATIC D IAGRAM -2 PIN PIN ©-Î 2 ©-8 © -1 © - 2 © - 9 © -10 H T U N E R C.B Q T U N E R C .B...
  • Page 35 ÇJTUNER C.B CONTROL C.B H CONTROL C.B S32 ■ ( P U , P L 2 > lUGHTI^ J L IG H f SWITCH C.B - P IN © - I l H TUNER C.B PIN PIN © - I2 ©...
  • Page 36 CS-880H,HG,U,UC CS-880H,HG,U,UC N O TES (1) B(+) Pattern jjB S S Others pattern CS-880H,HG.U,UC The voltage is the reference value measured with a tester (20 K ohms/V DC) when there are no signals. An asterisk (* ) indicates that the value was measured with a vacuum-tube voltmeter during recording. W IR IN G - 1...
  • Page 37 { A IW A CS-880H,HG,U,UC CS-880H,HG,U,UC N O T ES (1) H B H B (+ ) Pattern H H ! Others pattern The voltage is the reference value measured with a tester (20 K ohms/V DC) when there are no signals. An asterisk (*) indicates that the value was measured with a vacuum-tube voltmeter during recording.
  • Page 38 A I W A j N O TES (1) B(+) Pattern Component side pattern Others pattern J2 ) The voltage is the reference value measured with a tester (20 K ohms/V DC) when there are no signals. W IR IN G - 2 But ( ) is with AM reception.
  • Page 39 CS-880H,HG,U,U( N O TES (1) H H H B(+) Pattern H H C o m p o n e n t side pattern B H i Others pattern The voltage is the reference value measured with a tester (20 K ohms/V DC) when there are no signals. But ( ) is with AM reception.

This manual is also suitable for:

Cs-880 uCs-880 hgCs-880 uc

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