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SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
CD-CASSEIVER
NSX-AJ70
NSX-SZ70
NSX-SZ70E
CX-NSZ70E
• This Service Manual is the "Revision Publishing" and replace the
"Simple Manual" NSX-AJ70<U> (S/M Code No. 09-001-425-3T1)
NSX-SZ70/SZ70E<HR, HA> (S/M Code No. 09-001-425-3T2)
and NSX-SZ70<HS> (S/M Code No. 09-002-425-3T3).
• If requiring information about the CD mechanisim, see Service Manual
of AZG-1 (S/M Code No. 09-001-335-3N8).
NSX-AJ70
NSX-SZ70
NSX-SZ70E
BASIC TAPE MECHANISM: 2ZM-3MK2 PR4NM
BASIC CD MECHANISM: AZG-1 ZD3RDM
SPEAKER
CX-NAJ70
SX-WNAJ70
CX-NSZ70
SX-WNSZ70
SX-WNSZ70
S/M Code No. 09-005-425-3R2
U
HR,HS
HA
REMOTE CONTROLLER
RC-ZAS01
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Table of Contents
Related Manuals for Aiwa CX-NAJ70
Summarization of Contents
SPECIFICATIONS
FM Tuner section
Technical specifications for the FM tuner.
AM Tuner section
Technical specifications for the AM tuner.
Amplifier section
Technical specifications for the audio amplifier.
Cassette deck section
Technical specifications for the cassette tape deck.
Compact disc player section
Technical specifications for the CD player.
Speaker system SX-WNSZ70/WNAJ70
Specifications for the included speaker system.
General
General specifications including power requirements.
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
Precaution to replace Optical block (KSS-213F)
Steps to safely replace the optical pickup block.
NOTE ON BEFORE STARTING REPAIR
Forced discharge of electrolytic capacitor of power supply block
Procedure for safely discharging power supply capacitors.
Regarding the HOLD terminal of the MICROCOMPUTER
Checking the HOLD terminal status for microcontroller operation.
Regarding reset
Procedure for resetting the microcontroller if it fails to operate.
Confirmation of soldering state of MICROCOMPUTER
Verifying the microcontroller's soldering for proper function.
WIRING - 1 (MAIN/VM: U,HA)
MAIN C.B Wiring Diagram
Wiring connections for the Main Circuit Board.
VM C.B Wiring Diagram
Wiring connections for the VM Circuit Board.
FRONT C.B Wiring Diagram
Wiring connections for the Front Circuit Board.
AMP C.B Wiring Diagram
Wiring connections for the Amplifier Circuit Board.
HEAD-1 C.B Wiring Diagram
Wiring connections for Head Unit 1 Circuit Board.
HEAD-2 C.B Wiring Diagram
Wiring connections for Head Unit 2 Circuit Board.
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