Aiwa SX-WNSZ85 User Manual

SERVICE MANUAL
DATA
COMPACT DISC STEREO
CASSETTE RECEIVER
BASIC TAPE MECHANISM : 2ZM-3MK2 PR7NM
BASIC CD MECHANISM : AZG-1 VZD3RNDM
NSX-VC88 HR
S/M Code No. 09-005-428-7R1
REVISION
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-VC88 (HR), (S/M Code No. 09-005-428-7T1).
• If requiring information about the CD mechanism, see Service Manual of
AZG-1 VZD3RNDM, (S/M Code No. 09-001-335-3NG).
NSX–VC88
MAIN
SPEAKER
SYSTEM
CD
CASSEIVER
REMOTE
CONTROLLER
RC–ZAS07CX–NVC88 SX–WNSZ85
SATELLITE
SPEAKER
SX–S80

Aiwa SX-WNSZ85 Specifications

General

Brand	Aiwa
Model	SX-WNSZ85
Category	Stereo System
CD Player	Yes
USB Playback	Yes
Bluetooth	Yes
FM Radio	Yes
AUX Input	Yes
Remote Control	Yes
Speaker Configuration	2.0
Tuner Bands	FM
Tape Deck	No
Type	Mini System
Speakers	2

Summary

Specifications

FM/AM Tuner Specifications

Details tuning range, sensitivity, and antenna for FM/AM reception.

Amplifier Specifications

Power output, THD, input/output specs for amplifiers.

CD Player and Cassette Deck Specs

Details specifications for CD player and cassette deck sections.

General and Speaker System Specifications

Power requirements, dimensions, weight, and speaker system details.

Laser Safety Precautions

Optical Block Replacement Precaution

Warns about electrostatic discharge damaging the laser diode.

Pre-Repair Procedures

Capacitor Discharge Procedure

Safely discharge capacitors before repair to prevent damage.

Electrical Main Parts List

Transistor Illustrations

System Diagrams and Wiring

Wiring - 1 (Main / VM)

Shows wiring connections for the Main and VM boards.

Schematic Diagram - 1 (Main 1/3)

Circuit diagram for the Main board's amp and VM sections.

Schematic Diagram - 2 (Main 2/3)

Circuit diagram for the Main board's tuner section.

Schematic Diagram - 3 (Main 3/3)

Wiring - 2 (Front / CD Key / Mic)

Schematic Diagram - 4 (Front / CD Key / Mic)

Wiring - 3 (Amp 1F)

Schematic Diagram - 5 (Amp 1F)

Wiring - 4 (Amp Sate)

Schematic Diagram - 6 (Amp Sate)

Wiring - 5 (PT: U)

Schematic Diagram - 7 (PT: U)

Wiring - 6 (PT: LH, HA)

Schematic Diagram - 8 (PT: LH, HA)

Wiring Diagram - 7 (Deck)

FL Display Details

IC Block Diagrams

IC M65849BFP631D Block Diagram

IC BU2099FV Block Diagram

Integrated Circuit (IC) Descriptions

IC M61506FP / BU9990-03FS Description

IC BA7762AFS / LC72131D Description

IC BU2092F / LA1843 Description

IC BD3876KS2 / LC87654V-5P35 Description

Adjustment Procedures

Tuner Section Adjustments

Procedures for adjusting tuner frequency, VT, and tracking.

Deck Section Adjustments

Procedures for tape speed, azimuth, and frequency response adjustments.

Speaker Disassembly Instructions

Speaker Parts Lists