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MZ-R91 service manual MZ-R90/R91
Models:
MZ-R91
1
25
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Parts list
Error messages
MZ-R90/R91 SECTION DIAGRAMS
Notes on chip component replacement
Connecting Location
Setting method of NV reset
Section Disassembly
Adjustment method of VC PWM Duty L mode number
Battery life1
The headphones with a remote control RM-MZ2S
Page 25
Image 25
6-5.
SCHEMATIC DIAGRAM •
See page 38 for Waveforms.
•
See page 41 for IC Block Diagrams.
MZ-R90/R91
– 33 –
– 34 –
– 35 –
– 36 –
– 37 –
Page 24
Page 26
Page 25
Image 25
Page 24
Page 26
Contents
Chinese Model
US Model Canadian Model Australian Model
AEP Model UK Model E Model Tourist Model
Ver
ELECTRICAL ADJUSTMENTS
DISASSEMBLY
Flexible Circuit Board Repairing
Notes on chip component replacement
NOTES ON LASER DIODE EMISSION CHECK
SECTION SERVICING NOTES
NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK LCX-2R
OPTICAL PICK-UPFLEXIBLE BOARD
GENERAL
SECTION
The headphones with a remote control RM-MZ2S
The recorder
6 Remove the bottom panel assy
SECTION DISASSEMBLY
MZ-R91
MZ-R90
1 Remove the solder of
1 Remove the solder of joint
8 batter case assy
2 motor flexible board
SERVICE ASSY, OP
MOTOR FLEXIBLE BOARD
HOLDER ASSY
MOTOR, DC SLED M602
MAIN BOARD Conductor Side
SECTION 4 TEST MODE
t t . t . t t . t t . t X t
000M a n u a l
011 0 F FJ
011 C 6 8 S
011 0 6 3 B
011 0 5 9 A
000R t r y
000S t a t
000P * * R
000R t r y 000# # # # # # 000B O v r 000B f u l
0001 s t 0001 s t 0001 s t
0001 s t
000N - 1 000N - 1 000N - 2 000N - 2 000N
000R # # # #
Description of Error Indication Codes
– 16 –
Description of Indication History
Key Check Mode
021R e s N
SECTION ELECTRICAL ADJUSTMENTS
021R e s O K ?
021R e s
765V c h P W M
762V c l P W M
763V r h V c l
766V r h V c h
000 A S S Y
014S e t T m p
C D R U N
341 C D O K
043R e s u m e
141 M O O K
043R e s C l r
– 21 –
MZ-R90/R91 SECTION DIAGRAMS
MZ-R90/R91
IC502 and IC801 are not replaceable
Ver
MZ-R90/R91
IC502 and IC801 are not replaceable
MZ-R90/R91
Waveforms
IC Block Diagrams
IC301
AK4517BVQ-L
MPC17A56FTA
IC601
IC602
MPC17A17XDTBR2
MPC18A20MTAEL
IC603
IC605
XC6367B103MR
RV5C348A-E2
IC804
IC901
MPC18A31FTA
6-6.IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC502 CXD2660GA
Page
Page
Page
Page
Page
SECTION EXPLODED VIEWS
2 PANEL SECTION MZ-R91
Page
Page
MAIN
ELECTRICAL PARTS LIST
SECTION
MAIN
MAIN
MAIN
MAIN
Sony Corporation
MZ-R90/R91 MAIN
MZ-R90/R91
2000
SUPPLEMENT-1
US Model Canadian Model Australian Model
Korean Model has been added
1.Addition of Korean Model
Page
Hong Kong Model
2.Correction
Sony Corporation
MZ-R90/R91
Page
INCORRECT