Marantz SD-4051, Service Manual, Page: 1 / 35

SD4051
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
S
D
4
0
5
1
Cassette Deck
SD4051 /
F B/N1B
Part no. 90M16CW855010
First Issue 2006.07
MZ
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. ADJUSTMENT PROCEDURE .............................................................................................. 2
3. WIRING DIAGRAM ............................................................................................................... 7
4. BLOCK DIAGRAM ............................................................................................................. 9
5. SCHEMATIC DIAGRAM ......................................................................................................11
6. PARTS LOCATION ..............................................................................................................21
7. MICROPROCESSOR AND IC DATA .................................................................................. 25
8. EXPLODED VIEW AND PARTS LIST ................................................................................ 27
9. ELECTRICAL PARTS LIST ..................................................................................................31
10. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE .................................. 45
RESET
MIN
PHONES
CONTROL
PITCH
PLAY
+
RESET
COUNTER COUNTER
REC/PLAY
EJECT
A
PLAY PLAY
HIGH PAUSE NORMAL REC MUTE
REC LEVEL
SYNC REV
STOP
POWER ON/OFF
STOP
CONT PLAY
B
OFF
PLAY
OFF
REC
B
REV. MODE
DOLBY NR
CASSETTE DECK SD4051
EJECT
TIMER
MAX
DUBBING SPEED
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
RESET
MIN
PHONES
CONTROL
PITCH
PLAY
+ Ð
RESET
COUNTER COUNTER
REC/PLAY
EJECT
A
PLAY PLAY
HIGH PAUSE NORMAL REC MUTE REC
REC LEVEL
SYNC REV
STOP
POWER ON/OFF
STOP
B
OFF
PLAY
OFF
REC
B
REV. MODE
DOLBY NR
EJECT
TIMER
MAX
DUBBING SPEED
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO REVERSE