Aiwa Z-R990 User Manual

S E R V I C E M A N U A L
SIMPLE MANUAL
• Replace this Service Manual with ”Revision Publishing” when it is issued.
Z-R990
• BASIC TAPE MECHANISM: 2ZM-3MK2 YPR5NM
• BASIC CD MECHANISM: 6ZG-1 YS2DSHNM
• TYPE: K
S/M Code No. 09–986–262–0FE
COMPACT DISC STEREO
CASSETTE RECEIVER

Aiwa Z-R990 Specifications

General

Brand	Aiwa
Model	Z-R990
Type	Car Receiver
CD Player	Yes
CD-R/RW Playback	Yes
MP3 Playback	Yes
Equalizer	Yes
Remote Control	Yes
Detachable Faceplate	Yes
Auxiliary Input	Yes
Bluetooth	No
Display Type	LCD
Channels	4.0
Tuner Bands	FM
Preset Stations	24

Summary

Schematic Diagrams

Schematic Diagram - 1 (Main 1/2)

Displays the main schematic for the unit, covering primary circuit boards and decks.

Schematic Diagram - 2 (Main 2/2)

Continues the main schematic, detailing PLL, tuner, RF, and antenna circuits.

Schematic Diagram - 3 (Front)

Illustrates the front circuit schematic, including MICON, key matrix, and power sections.

Schematic Diagram - 4 (CD Key)

Shows the schematic for the CD key interface, detailing control logic and LED connections.

Schematic Diagram - 5 (AC1)

Details the AC1 schematic, focusing on power input, fuse, and cord connections.