Page 1
XM-PX70WT/BU/PN
Block diagram
LCH
RCH
H.P.
CN601
JACK
IC601
H.P.AMP
AOUTL
AOUTR
DSP
IC351
PSW
MUTE
SWDT,SCLK
BEEP
XLAT,SRDT
MNT0,MNT3
SENS,XRST
SQSY,XINT
BYPS
CPU
IC501
RMDATA
IC502
SCLDIDO
EEPROM
KEY
KEY
PLAYKEY
PS
TFDR,TRDR
FFDR,FRDR
FS4
SFDR,SRDR
RFI,VC,PEAK,BOTM,ABCD,FE
AUX1,ADFG,SE,TE,DTRF,CKRF
XLRF,F0CONT,APCREF
RST2
LDON
TG
RF
IC300
FCS+
FCS-
TRK+
TRK-
A,B,C,D,I,J
CN301 CN401
PICKUP
IC400
DRIVER
XBCK
SPFG
SLD+,SLD-
FEED
MOTOR
SPSD
SPRD
IC450
MOTOR
SPINDLE
SS
DRIVER
SPINDLE
W,V,U,COM
2-2
Page 2
Standard schematic diagram
Main amp section
Standard schematic diagram
Main amp section
6
C319
C318
10/6.3
0.001
DTA144EE-X
V
L403
0
L402
0
L405
0
L404
0
TP306
120k
R303
120k
R306
C302
0.082
1.2k
R305
R308
0
Q301
C450
0.047
NI
R465
0.047
C461
TP457
C458
0.047
1
R455
U
FRDR
FFDR
TFDR
TRDR
C320
0.01
5
TRK+
FCS+
FCSTRK-
CN301
QGF0515F3-20X
0.47
C321
5.6k
R341
C301
0.027
C323
1
Q300
2SB1219/RS/-X
R339
R301
10
C300
R307
100k
0.22
0.01
4
1M
1
C459
33k
R459
R460
680k
R461
C460
0.0068
C457
0.001
C456
0.0022
IC450
CXA8095Q
3
C455
NI
C463
1
R466
1
XBCK
SLD+
SLD-
W
V
U
COM
2
CN401
QGF0515F3-07X
W
C407
NI
FCS+
C411
C406
NI
NI
FCS-
C409
NI
TRK-
C412
C408
NI
NI
TRK+
XM-PX70WT/BU/PN
C373
R380
3.3k
R377
1M
1k
R378R379
C376
0.47
1k
C377
RFI
C317
0.0068
TP307
0.22
C313
0.01
C314
C316
0.1
I
J
VC
A
B
C
D
E
F
PD
APC
1k
R335
C325
0.1
R311
10k
R450
22k
R451
22k
TP458
R454
470k
C464
NI
C462
NI
C453
NI
C452
NI
C454
1
COM
PS
FS4
R400
470k
C403
1
C315
0.022
TG
CXA2588R
DTRF
1k
R336
SS
100
R328
TP325
330
R326
330
R325
1k
R324
330
24k
TP324
C324
22/4
IC400
MPC17A139MTB-X
R321
330
R320
56k
R314
TP323
C3 C2
NI NI
R323
C311
1
C310
0.0047
R322
330
C309
TP326
1
R317 R318
100k 10k
100k
C308
C312
0.033
0.0068
IC2
NI
R2R3
NINI
C4
NI
D400
F02J4L-X
L400
R402
1
470
C402
3.3/16
C401
1
C404
1
IC300
CKRF
XLRF
1k
R337
13k
R315
1k
R338
R316
R310
5.6k
L301
10
R463
0
SPRD
SPFG
SPFD
PEAK
TP305
BOTM
ABCD
FE
AUX1
ADFG
SE
TE
F0CNT
XRST2
LDON
APCREF
AVDD
C352
10/6.3
R352
IC-PST3421U-X
IC504
C507
NSW0140-001X
S60
X500
NAX0427-001X
R509
SLD+
SLD-
SRDR
SFDR
100k
0.015
PEAK
BOTM
ABCD
FE
AUX1
VC
SE
TE
ADFG
F0CNT
XLRF
CKRF
DTRF
APCREF
TRDR
TFDR
FFDR
FRDR
FS4
SRDR
SFDR
SPRD
SPFD
SPFG
R354
100k
10k
R387
10k
R388
0.1
C359
DVDD
C351
10/6.3
1
1
R351
R66
NI
R64
470K
2SC4617/QR/-X
Q63
Q64
C62
2SC4617/QR/-X
C65
0.001
0.01
470K
R514
0.1
0.1
C506
470k
470k
R523
470k
R513
R511
S60
0.001
R512
470k
C63
0.001
C64
R530
47k
0
R516
R510
10k
TP509
C500
1
C508
1
TH501
NAD0025-224X
220k
R506
TP510
0.47
C372
R373
680k
RFI
R67
NI
R528
R529
C371
0.01
C374
R372
100k
10k
R371
IC351
CXD2672GA
BYPS
C353
COREVDD
10/6.3
1
R304
R62
470K
TP514
DO
DI
CS1
SCL
MNT0
MNT3
SENS
RESET
XINT
SQSY
CHARGEIN
RPLY
DOOR
PLAYKEY
KEY
BATTERY
TEMP
ALINH
VADJ
CHARGE
TP501
TP511
0
TP512
27k
NI
R507
RPON
DPON
REMOFF
IC501
UPD784225GK-614
SRDT
SWDT
TP518
2.2k
R508
MVCC2
RMDATA
0
0
R355
R356
DPON2
MONXLAT
MON2
MON1
RFOFF
LDON
LVCTL
XLAT
XRST
MONCLK
MONDATA
SCLK
XRST2
TG
R517
1k
TP502
TP503
TP513
100
R364
470k
R601
470k
R603
470k
XBCK
R201
R358
NI
0
R357
C358
1
C357
1
XINT
C360
0.1
SQSY
R369
XRST
1k
SENS
SRDT
XLAT
SCLK
SWDT
TP353
MNT3
MNT2
TP354
MNT1
TP352
MNT0
TP351
10k
10k
R386
R385
R527
470k
IC502
AK93C55BH-W
CS1
SCL
DI
DO
TP507
TP506
TP505
SS
PS
TP504
DIR
BYPS
10/6.3
C354
R366
C356
7P
100
4.7k
R367
C355
7P
X300
NAX0439-001X
DAVDD
1
R353
R63
NI
R60
4.7K
Q61
DTC144EE-X
C503
0.1
MUTE
PSW
BEEP
22k
R101
22k
390P
C102
R61
470K
Q60
2SA2018-X
L501
10
C504
1
R604
C603
1
C203
1
C103
1
3.9k
R203
3.9k
R103
390P
C202
1
470P
R376
150
PSW
MUTE
C614
4.7/4
C613
10/6.3
C602
1
BEEP
VREFIN
NTCT
IC601
INB
JCV8002-W
INA
BEEPB
BEEPA
OUTA
PGND
VCC2
OUTB
D942
NI
R947
NI
C111
R211 R111
C211
SI2305DS-X
0.22
10 10
0.22
Q966
DTC144EE-X
R904
DTC144EE-X
Q944
R943
Q965
Q925
Q945
NI
4.7k
Q943
DTC144EE-X
C112
0.22
3.9k3.9k
R112R212
C212
0.22
DTA143TE-X
SSM3J01F-X
Q926
SSM3J01F-X
R944
C113
150/4
10k10k
R113R213
R613
4.7
C213
150/4
Q964
R965
4.7k
R966
47/6.3
C904
470k
R925
4.7k
R926
C923
470K
RMDATA
470k
TP902
TP901
L902
1
R902
100k
150P
C905
C903
22/4
R903
68k
R905
2.2k
150P
C924
R928
100k
68k
R929
47/6.3
470k
R922
R924
8.2k
NI
C945
R945
120k
R946
150k
R942
470k
C943
R948
10/6.3
15k
K201
K601
K101
K602
K604
K603
XC6367B101M-X
IC921
XC6367B101M-X
IC901
XC6367B101M-X
QGF0515F4-06X
CN601
C630
C631
330P
330P
Q904
DTA124XUA-X
0.1
C906
R909
120k
D901
F1J2E-X
Q901
FMMT617-X
5.6k
R901
220P
C902
D921
CRS01-W
R921
0
C922
NI
D941
CRS01-W
IC941
R941
0
C942
NI
Q906
SSM3K01F-X
L921
22
Q921
SSM3K01F-X
0
R908
R907
L901
NI
22
4.7
C901
4.7
C921
L941
100
1
C941
Q941
SSM3K01F-X
BT1
BT2
BT3
BT4
1
1
C604
L602
R967
22
LVCTL
DPON
VADJ
680k
RPON
RFOFF
DPON2
LVCTL
DPON
1
BC
S504
NSW0134-001X
KEYGND
DE
47k
R501
C590
0.001
NSW0134-001X
R503
27k
S502
NSW0134-001X
R504
S503
47k
S501
NSW0117-001X
F
MD ANALOG SIGNAL
G
HA
I
2-3
Page 3
Printed circuit board
XM-PX70WT/BU/PN XM-PX70WT/BU/PN
Forward side Reverse side
6
R460
R461
C456
C460
D400
C457
R465
L400
C401
C458
R459
C461
R402
C459
S504
C404
IC400
C403
R400
R466
5
S503
C309
R503
C311
R323
R61 R62
C62
R67
4
3
C941
C943
D942
D941
Q945
R944
Q944
L941
D901
R357
2
C356
R356
L901
R66
Q63
C65
R907
R908
X300
R358
R947
C358
R967 R943
C359
R355
C357
Q966
R64
R388
Q64
C355
C903
L921
R201
L902
R387
R366
R203
C202
R367
R101
R103
C506
C102
C904
IC504
R902
C923
C103
C203
C905
R928
R929
R924
R905R903
C924
C507
C63
R904
C211
R111 R211
C111
R514
R512
R511
C213
C113
R213
K201
K601
K101
R113
C631
CN601
S60
C630
R324
S502
R326
R504
C310
R321
R325
R322
Q926
C412
L404
R311
R338
R320
L301
S501
C408
Q301
C325
R316
R328
R315
IC300
C313
C324
Q925
R925
C409
L405
C300
R337
C317
R516
R926
R303
R336
C314
X500
C411
R307
R335
C315
C318
R339
R501
C64
R523
C406
L402
Q300
R305
R341
C301
C316
C323
R530
L403
C302
R306
C320
R310
R308
R513
R506R510
C508
TH501
C321
R301
C319
R3
C407
CN301
C3
C590
K603
C2
R2
Q61
R613
K602
C402
R463
R60
K604
C452
IC2
C4
R508
R63
C453
C462
C464
R507
R601
R603
C454
R454
R317 R318
R314
IC501
Q60
C614
R604
R455
C308
C613
C602
C312
R527
IC601
C603
CN401
IC450
IC502
R517
R529
R211
R212
C503
C500
R528
C212
R509
C504
C112
R386
R385
L602
C604
L501
R369
C354
C351
R922
C463
C455
R353
Q965
R921
C922
IC921
C450
C360
R450
R354
R451
R351
Q964
R965
R966
Q921
R364
C376
IC351
IC901
C377
R304
R901
C902
R380
R378
R377
R379
C353
D921
R376
Q943
R373
R372
R371
C374
R946
IC941
C942
R909
Q904
C372
R945
R941
C921
C906
C371
R948
C901
C352
C373
R352
C945
R942
Q941
Q906Q901
1
BC
DE
2-4
F
G
HA
I
Page 4
XM-PX70WT/BU/PN
< MEMO >
6
5
4
3
2
1
BC
DE
F
G
HA
I
2-5
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