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MZ-N505 service manual
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Contents
Main
SERVICE MANUAL
PORTABLE MINIDISC RECORDER
US Model Canadian Model AEP Model UK Model
Continued on next page
SPECIFICATIONS
Battery life
TABLE OF CONTENTS 1. SER VICING NO TES 2. GENERAL 3. DISASSEMBLY
4. TEST MODE 5. ELECTRICAL ADJUSTMENTS 6. DIAGRAMS
8. ELECTRICAL P AR TS LIST
7. EXPLODED VIEWS
OPTICAL PICK-UP FLEXIBLE BOARD
SECTION 1 SERVICING NOTES
MZ-N505 SECTION 2 GENERAL
instruction manual.
12
LP2.4
Digital MEGA BA
MZ-N505 SECTION 3 DISASSEMBLY
3-1. DISASSEMBLY FLOW
3-2. CASE (LOWER)
3-3. CASE (UPPER) SECTION
3-4. LCD MODULE, CASE (UPPER) SUB ASSY
3-5. MECHANISM DECK (MT-MZN707-177)
3-6. SET CHASSIS (5188) ASSY
3-7. MAIN BOARD
3-8. OP SERVICE ASSY (LCX-5R)
3-9. HOLDER ASSY
3-10. DC MOTOR (SLED) (M602)
3-11. DC SSM18B MOTOR (SPINDLE) (M601), DC MOTOR (OVER WRITE HEAD UP/DOWN) (M603)
OPERATION IN SETTING THE TEST MODE
V1.100
RELEASING THE TEST MODE
SECTION 4 TEST MODE
OUTLINE
SETTING METHOD OF TEST MODE
000 Manual
[Adjusted value write]
MANUAL MODE
[Medium item switching]
[Self-Diagnosis Result Display Mode]
011 C68S1B
OVERALL ADJUSTMENT MODE
0XX 1 0000
011 LrefPw
011 000F1B
RESET THE ERROR DISPLAY CODE
SOUND SKIP CHECK RESULT DISPLAY MODE
004
000 P**R**
004 FF
000 P**R** 000 EIB ** 000 Stat** 000 Adrs** 000 BEmp** 000 ######
000 P**R** 000 BOvr** 000 Bful** 000 Rtry** 000 ######
888 SET OK
888 RMC OK
SECTION 5 ELECTRICAL ADJUSTMENTS
021 Res***
OUTLINE
021 ResOK?
021 ###SCC
021 Reset!
336 ###S**
772 AD **
776 AD **
775 AD **
774 AD **
777 AD **
865 ###S**
868 ###S**
867 ###S**
866 ###S**
873 ###S**
871 ###S**
872 ###S**
762 AD **
763 AD **
764 AD **
767 AD **
015 ###S**
765 AD **
TEMPERATURE COREECTION
011 ###S**
012 ###S**
013 ###S**
LASER POWER CHECK
010 Laser
IC901
TP (
MAIN Board (Conductor Side)
TP (+)
IC501
000 Assy**
[MENU/ENTER]
000 OfstOK
035 Ofst**
key
000 CD OK
XXX CD RUN
000 *** NG
XXX MO RUN
000 *** NG
043 Res**
043 ###S00
043 ResClr
REWRITING THE PATCH DATA AT REPLACEMENT OF MAIN BOARD OR NONVOLATILE MEMORY (IC804)
Page
Page
SECTION 6 DIAGRAMS
6-1. BLOCK DIAGRAM SERVO/USB Section
A
CLV MON U
CLV MON V
6-2. BLOCK DIAGRAM AUDIO Section
B
C
F
SIGNAL PATH : PLAYBACK : REC (ANALOG IN) : REC (DIGITAL IN)
6-3. BLOCK DIAGRAM DISPLAY/KEY CONTROL/POWER SUPPLY Section
F D
+
E
6-4. NOTE FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAMS
A B C D E F G H I
1 2 3 4 5 6 7 8 9 10 11
IC302
1-682-873-
+
A B C D E F G H I J
1 2 3 4 5 6 7 8 9 10 11
C625
R813
(Page 40)
6-7. SCHEMA TIC DIA GRAM MAIN Boar d (1/4)
470k
22 6.3V
MODE1 MODE2 MODE3
VRP HMON
6-8. SCHEMA TIC DIA GRAM MAIN Board (2/4)
(Page 38)
(Page 40)
(2/4)
(3/4)
6-9. SCHEMA TIC DIA GRAM MAIN Board (3/4)
39)
(Page 41)
38)
(4/4)
6-10. SCHEMA TIC DIA GRAM MAIN Board (4/4)
40)
1 Vp-p
Waveforms
22.7 s
100 mVp-p
2 Vp-p
22.7 s
IC Block Diagrams IC301 AK5354VT-E2
IC302 TA2131FL (EL)
IC501 SN761057A
IC551 SC111258FCR2
IC601 XPC18A22AFCR2
IC702 XC6367A361MR
IC901 XPC18A32FCR2
6-11. IC PIN FUNCTION DESCRIPTION
Page
MZ-N505
Page
Page
Page
Page
7-1. CASE SECTION
SECTION 7 EXPLODED VIEWS
7-2. CHASSIS SECTION
7-3. MAIN BOARD SECTION
Page
Page
MZ-N505 SECTION 8 ELECTRICAL PARTS LIST