– 3 –
MZ-B50
• CHANGE OF BOARDS
Printinted wiring boards have been changed.
Printed wiring board and schematic diagram of new type,
and changed parts list are described in this Supplement-1.
Refer to original service nanual (9-927-952-11) previously issued for other information.
Before Change
After Change
BATT BOARD
1-678-843-11
1-678-843-11 (AEP,JEW)
1-678-843-21 (US,CND)
DC JACK BOARD
1-678-844-11
1-678-844-11 (JEW)
1-678-844-21 (US,CND,AEP)
MAIN BOARD
1-678-842-12
1-678-842-13 (AEP,JEW)
1-678-842-21 (US,CND)
SLED CONTROL BOARD 1-680-526-11
–––––––––
Before Change
Ref.No.
Part No.
Description
*
1-678-843-11 BATT BOARD
–––––––––
• ELECTRICAL PARTS LIST
After Change
Part No.
Description
*
1-678-843-11 BATT BOARD (AEP,JEW)
*
1-678-843-21 BATT BOARD (US,CND)
BATT
Before Change
Ref.No.
Part No.
Description
After Change
Part No.
Description
DC JACK
*
1-678-844-11 DC JACK BOARD
–––––––––
D1001
–––––––––
LF1001
–––––––––
*
1-678-844-11 DC JACK BOARD (JEW)
*
1-678-844-21 DC JACK BOARD (US,CND,AEP)
8-719-072-26 DIODE FS1J3-TP (US,CND,AEP)
1-416-405-21 FILTER, CHIP EMI (COMMON MODE)(US,CND,AEP)
Before Change (-12)
Ref.No.
Part No.
Description
After Change (-13,-21)
Part No.
Description
MAIN
A-3021-349-A MAIN BOARD, COMPLETE
–––––––––
C355
1-164-878-11 CERAMIC CHIP
150PF
5%
16V
C356
1-125-777-11 CERAMIC CHIP
0.1uF
10%
10V
C601
1-131-725-91 TANTAL CHIP
47uF
20%
4V
C601
–––––––––
C639
1-119-923-81 CERAMIC CHIP
0.047uF
10%
10V
C640
1-119-923-81 CERAMIC CHIP
0.047uF
10%
10V
C641
–––––––––
C642
–––––––––
C814
–––––––––
D604
–––––––––
D806
–––––––––
FB144
–––––––––
FB244
–––––––––
FB307
–––––––––
FB308
–––––––––
FB309
–––––––––
FB333
–––––––––
FB351
–––––––––
FB503
1-414-235-22 FERRITE
0uH
FB503
–––––––––
FB504
1-414-235-22 FERRITE
0uH
FB504
–––––––––
A-3021-349-A MAIN PC BOARD ASSY (AEP,JEW)
*
A-3021-457-A MAIN PC BOARD ASSY (US,CND)
–––––––––
–––––––––
1-131-725-91
TANTAL. CHIP
47uF
20%
4V (AEP,JEW)
1-131-726-91
TANTAL. CHIP
33uF
20%
6.3V (US,CND)
1-110-563-11
CERAMIC CHIP 0.068uF
10%
16V
1-110-563-11
CERAMIC CHIP 0.068uF
10%
16V
1-117-919-11
TANTAL. CHIP
10uF
20%
6.3V
1-125-777-11
CERAMIC CHIP 0.1uF
10%
10V (US,CND)
1-125-777-11
CERAMIC CHIP 0.1uF
10%
10V (US,CND)
8-719-420-51
DIODE MA729
8-719-422-37
DIODE MA8051
1-500-329-21
FERRITE
0uH
1-500-329-21
FERRITE
0uH
1-500-329-21
FERRITE
0uH (US,CND)
1-500-329-21
FERRITE
0uH (US,CND)
1-500-329-21
FERRITE
0uH (US,CND)
1-500-329-21
FERRITE
0uH (US,CND)
1-500-329-21
FERRITE
0uH (US,CND)
1-414-235-22
FERRITE
0uH (AEP,JEW)
1-500-329-21
FERRITE
0uH (US,CND)
1-414-234-22
FERRITE
0uH (AEP,JEW)
1-414-760-21
FERRITE
0uH (US,CND)
(Service Manual See page 59)
(Service Manual See page 59)
(Service Manual See page 59 to 65)