18
18
D-NE710/NE711/NE715/NE718CK
5-7. Schematic Diagram – MAIN Board (4/4) –
• See page 9 for Wavefoms.
• See page 21 for IC Block Diagram.
CN801
L320
R837
TAP802
R821
R865
R934
R816
R848
R847
R844
Q801
R825
D802
R829
D803
R832
Q802
R827
R912
R913
R914
R820
R819
IC803
SL802
SL803
SL804
R887
R863
R866
R867
TAP803
R425
TP893
TP810
TP801
TP851
TP850
TP849
TP848
TP847
TP846
TP845
TP844
TP871
TP872
TP860
TP873
TP814
TP815
TP831
TP892
TP895
TP899
TP897
TP896
TP886
C427
R818
R823
R
839
R845
R846
IC805
REG
R814
R
890
TP817
R891
R935
TP830
R801
VDR801
VD
R800
D800
R807
R812
D804
D806
TP818
D809
D807
TP806
TP803
TP804
C823
C825
C824
C820
C819
C818
TP805
C805
TP911
SL806
TP870
TP858
TP843
TP816
TP882
TP868
TP856
TP854
C896
C895
C898
C897
TP802
C815
TP834
C816
C814
TP908
TP909
TP901
TP910
TP913
C801
C899
TP807
FB400
R
426
R836
TAP805
D805
R813
R822
R852
R853
VD
R802
22P
0
:3C
0
OPEN
10k
10k
0
0
0
R817
*
0
100k
XP4501
1M
MA728 <2>
470k
MA728 <2>
1M
DTC143TUA
2.2M
10k
100k
100k
47k
:1K
100k :1K
AK6417CH-E2
EEPROM
0
0
2.2k
:1K
47k
:1K
TEST
0
:1B
220k
0
0
0
0
MM3051GURE
0
0
10k
100k
1k
:1
:1
MM3Z5V1T1
<2>
10k
1M
<2>
MA147-TX
UDZSTE-175.1B
UDZSTE-175.1B
<2>
UDZSTE-175.1B
<2>
SW GND
OPEN
SW VCPU
4700p
:1B
4700p
:1B
4700p
:1B
4700p
:1B
4700p
:1B
4700p
:1B
VDD(2.4V)
:1F
:1F
:1F
:1F
:1F
4700p
:1B
TEST
:1F
:1F
:1B
:1F
BLM
11A102
0
100k
RESET
MA8051-L-TX
<2>
1M
100k
0
0
:1
: R817 0 (NE711:AEP,UK,EE/
NE715:AEP,UK,EE)
*
*
No mark : PLAY
: Impossible to measure
*
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299