DJ-493
Service Manual
CONTENTS
SPECIFICATIONS
1) GENERAL........................................................................2
2) TRANSMITTER...............................................................2
3) RECEIVER.......................................................................2
CIRCUIT DESCRIPTION
1) Receiver System ........................................................3, 4
2) Transmitter System.........................................................4
3) PLL Synthesizer C ircu it
............................................4, 5
4) CPU and Peripheral Circuits
..........................
.
........
5, 6
5) M38267M8L252GP (XA0725)
.................................. 6-8
SEMICONDUCTOR DATA
1) NMJ2070M T1 (XA0210) ...............................................9
2) AT24C16N-10SI-2.7TER (XA0368)
.............................
9
3) M5222FP-600C (XA0385)
.......................................... 10
4) TK14521MTL (XA0515)............................................... 11
5) M64076AGP (XA0352)................................................ 12
6) NJM29Q4V-TE1 (XA0573) .......................................... 12
7) NJM2902V-TE1 (XA0596) .......................................... 12
8) S-81350HG-KD-T1 (XA0724)
....................................
13
9) S-80845ALMP-EA9-T2 (XA0620)
.............................
13
10) 2SK2975 (XE0038)
......................................................
13
11) Transistor, Diode, and LED Ontline Drawings
..........
14
12) LCD Connection (EL0044)......................................... 14
EXPLODED VIEW
1) Front View.......................................................................15
2) Rear V iew.......................................................................16
PARTS LIST (DJ-493)
MAIN U nit................................................................17-21
Mechanical P arts
..........................................................22
Packing Parts.................................................................22
PARTS LiST (DJ-496)
MAIN U n it................................................................23-27
Mechanical P arts..........................................................28
Packing Parts.................................................................28
ADJUSTMENT
1) Required Test Equipment......................................29, 30
2) Adjustment Mode................................................... 31-34
PC BOARD VIEW
MAIN U n it................................................................35, 36
SCHEMATIC DIAGRAM.......................................... 37, 38
BLOCK DIAGRAM.....................................................39, 40
MUNGO, inc.
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