SR4023
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
SR4023 /
N1B/U1B
Part no. 90M03DW855010
First Issue 2008.07
MZ
Receiver
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. POWER AMPLIFIER ADJUSTMENT .................................................................................. 2
3. SERVICE MODE .................................................................................................................. 3
4. UPDATE MICROPROCESSOR SOFTWARE PROCEDURE .............................................. 4
5. WIRING DIAGRAM .............................................................................................................15
6. BLOCK DIAGRAM ..............................................................................................................17
7. SCHEMATIC DIAGRAM .....................................................................................................19
8. PARTS LOCATION .............................................................................................................24
9. EXPLODED VIEW AND PARTS LIST ............................................................................... 33
10. MICROPROCESSOR AND IC DATA .................................................................................. 36
11. ELECTRICAL PARTS LIST ................................................................................................ 44
12. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE .............................. 62
TUNING/
PRESET
MEMORY
STANDBY
POWER ON/STANDBY
MUTECLEART.MODEDIMMER F/P BANDS.DIRECT
DOWN
VOLUME
UP
INPUT
SELECTOR
RECEIVER SR4023
PHONES
DISP AUTO TUNED ST
SLEEP DIRECT SPKR B
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