Sony D-NE004 Service Manual page 24

D-NE004/NE005/NE0050/NE006
Ver. 1.4
QQ
3 7 63 1515 0
• CHANGE OF MAIN BOARD
There are the following four types of main board of this unit by the change in the MP3 noise measures.
TYPE-1 and TYPE-2: LPF mount are used.
TYPE-3: Deletes LPF mount by the MP3 noise measures circuit is added to the MAIN board and IC801 microprocessor change.
TYPE-4: Deletes MP3 noise measures circuit by the IC601 DSP change.
Please distinguish the type of the main board to repair.
HOW TO DISTINGUISH THE MAIN BOARD TYPE
Distinguish the type of MAIN board
MAIN BOARD TYPE
SUFFIX OF MAIN BOARD
IC601
TE
L 13942296513
DIGITAL SIGNAL
PROCESSOR
IC602
16M SDRAM
IC801
Microprocessor
LPF MOUNT
MP3 noise measures circuit
Referred manual
MAIN BOARD
www
• ADDITION OF 7CE7 MODEL FOR D-NE004
About exploded views parts list and accessories parts list of D-NE004 7CE7 model, Refer to original service manual.
.
About printed diagram, schematic diagram and electrical patrs list of D-NE004 7CE7 model, Refer to supplement-1.
Abbreviation
7CE7: UK model (without LINE OUT)
2
http://www.xiaoyu163.com
–13
Suffix
MAIN board
–12
Is there a
LPF mount?
yes
TYPE-1 TYPE-2
-12
6-709-383-01 IC BU9541JKV
6-709-459-01 IC M12L16161A-7T (J)
6-805-927-01 IC BU18704-S0
EXIST
NO MOUNT
Refer to original
service manual
(SIDE A)
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y
i
http://www.xiaoyu163.com
2 9
8
no
Is there a MP3
noise measures
circuit?
yes
TYPE-3
-13
Q Q
3 6 7 1 3 1 5
6-805-927-02 IC BU18704-S1
MOUNT
C320-324, Q320-324,
R320-331
Refer to this supplement-1
1-867-954-12 (TYPE-1)
1-867-954-13 (TYPE-2, TYPE-3 or TYPE-4)
MP3 noise measures circuit
No mount (TYPE-1, TYPE-2 or TYPE-4)
Mount (TYPE-3)
LPF MOUNT
Exist (TYPE-1 or TYPE-2)
Not exist (TYPE-3 or TYPE-4)
co
.
9 4 2 8
no
TYPE-4
0 5 8 2 9 9 4 2 8
6-709-382-01 IC
BU9542JKV
6-708-188-01 IC
M12L16161A-7T (G)
NOT EXIST
NO MOUNT
m
9 9
9 9