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6-9.
SCHEMATIC DIAGRAM – MAIN Board (4/4) – •
(4/4)
16
(Page 36)
19
20
21
23
25
26
27
(Page 38)
28
54
55
53
FB901
TH951
J951
DC
IN
3V
C959
0.1
DRY BATTERY
SIZE"AA"
BATT-
C967
(IEC DESIGNATION LR6)
(GND)
220
4V
1PC. 1.5V
C964
0.01
C979
0.01
R967
1M
(CHASSIS)
•
See page 33 for Waveform.
See page 40 for IC Block Diagrams.
(Page 37)
R312
1M
∗
C962
0.001
(EXCEPT AEP,UK,EE)
∗
R965
0.1
(AEP,UK,EE)
HIDC_MON
22k
(EXCEPT AEP,UK,EE)
R606
100k
(AEP,UK,EE)
R605
10
220
R965
∗
GND_SW
LF951
C960
R974
C962
∗
∗
0.1
Q602
MMJT9435
BT
HOLD_GND
∗
SWITCH
R974
4.7k
(EXCEPT AEP,UK,EE)
D603
22k
(AEP,UK,EE)
MA2YD1500LS0
C978
LF952
0.01
Q951
SI1410EDN
GROUND LINE
C976
SWITCHING
1
C968
C971
C957
220
220
0.1
4V
4V
S
C977
0.01
C306
22
6.3V
R302
Q301
4.7k
2SC4738F-Y/GR
R301
VOLTAGE
2.2k
SWITCHING
VREF_IN
C304
4.7
6.3V
GND
BEEP
BEEP
R201
R303
220k
10k
BST_SW
HP_MUTE
MUTE
C201
XHP_STBY
2.2
STB
HEADPHONE AMP
C303
R102
1
10k
C101
R101
R105
2.2
10k
10k
R304
47
C172
C272
C273
4700p
4700p
2200p
C368
10
16V
XRST
C916
22
TP1928
6.3V
L903
(VCO1)
10µH
L904
D903
22µH
MA22D2800LS0
C901
1000p
R901
R903
1M
2.2k
C911
0.01
RF1
INM1
C913
0.01
DTC1
C914
1000p
CRST1
XRST1
C907
2.2
D901
C1L
MA729-TX
VG
LG
L901 220µH
PGND3
VB
XRST2
C933
0.01
CRST2
C905
0.01
DTC2
INM2
RF2
C912
0.01
VC2G
R902
R904
C906
1M
2.2k
1000p
R926
22k
TP1907
(REG03)
L902
47µH
D902
MA22D2800LS0
C918
0.1
39
39
C305
2.2
DET
(AEP,UK,EE)
OUT_R
R210
PRE_GND
IC301
47
TA2131FL
OUT_L
(EL)
+B
C275
R209
∗
220
4V
C175
R109
∗
D171
220
02DZ2.4-Z
4V
(TPM3)
D271
R110
02DZ2.4-Z
47
(TPM3)
(AEP,UK,EE)
∗
R109,209
0
(EXCEPT AEP,UK,EE)
22
(AEP,UK,EE)
C375
C372
0.1
0.1
FB844
0
C339
0.1
C931
2200p
C925
4700p
C920
C930
C928
100
2200p
2200p
6.3V
R915
R917
R912
R907
220k
470k
100k
470k
FFCLR
C984
1000p
SLEEP
SLEEP
CLK
R925
C932
SEQSEL
0
2.2
WDT
SCK0
SCK
XCS_PWR_IC
STRB
SDO0
DATA
HPI2
POWER CONTROL
HPI1
IC901
MUTEON
SC901580EPR2
GND
VHP1
HP1(L-ch)
PGND4
HP2(R-ch)
VHP2
R908
22k
R914
47k
C975
47
4V
C924
C973
C926
C985
100
22
0.1
0.1
6.3V
6.3V
TP1909
TP1905
(REGO1)
(VCOUT)
AM-NX9
Ver 1.1
J304
D371
02DZ2.4-Z
(TPM3)
(CHASSIS)
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