HCD-NEZ50
21
21
HCD-NEZ50
7-6. SCHEMATIC DIAGRAM – MAIN Section (1/2) –
CN314
R506
R502
R501
C353
C352
R358
R376
∗
C351
Q343
R389
R387
R388
R377
R379
R381
R383
R378
R380
R382
R384
C363
R390
D321
CN500
L101
L201
JW229
JW230
R514
C364
Q342
D323
R129
R130
R229
R230
C332
C502
C335
C306
C309
C327
C316
C310
R304
C366
C321
C322
C326
C315
C319
C318
C317
C325
C311
D303
D304
FB304
C238
C138
CN317
FB306
FB305
J302
C328
D307
C515
R371
R370
∗
R369
∗
R391
R392
R153
C122
C119
R253
C222
C219
C507
C510
C509
R518
C503
R503
C506
R508
R509
C523
R504
R517
R521
D325
C525
R536
C526
C530
C524
C529
R539
R537
R538
C528
R513
C527
R512
IC501
CN318
CN321
JW301
Q320
R340
C365
R339
C360
D301
Q319
C357
R338
R332
R333
R334
C359
R337
R336
Q318
R335
R540
R535
D313
R331
R330
D319
R328
R329
Q316
R318
R322
Q317
CN313
M301
FB151
C152
C252
R252
R151
R251
C251
C151
D151
J251
CN315
CNW151
IC303
C324
R152
EPT151
C123
C223
R523
R524
C505
C501
C516
C517
C518
C504
R505
R385
R386
D320
D324
4P
1k
47k
1k
2200
35V
2200
35V
47k
100
25V
2SC3052EF
10k
10k
10k
470
470
470
220
470
470
470
220
10 50V
100k
1SS355WTE-17
13P
10k
10
50V
2SA1235TP
UDZW-TE17-4.7B
4.7
4.7
4.7
4.7
1000p
470p
100
16V
0.01
1000
10V
100p
100p
100p
4.7k
220p
100p
100p
100p
100p
100p
100p
22p
100p
100p
1N4002B
1N4002B
0
22
50V
22
50V
23P
0
0
100p
1SS355WTE-17
470
10V
10k
10
1/2W
0.1
0.1
10
1/2W
0.1
0.1
1000p
0.01
0.01
47k
47
25V
470
47
25V
470
47k
10p
47k
47k
10k
MC2840-T112-1
0.0022
100
1/2W
0.0022
100
35V
10p
100
35V
10k
1k
10k
0.0022
2.2k
0.0022
2.2k
STK453-030A
7P
17P
2SK2158-T2B
470k
4.7
50V
470k
1
MC2840
-T112-1
2SC3052EF
0.1
470k
10k
10k
220k
1
47k
47k
2SC3052EF
10k
10k
100
1/2W
MC2838
47k
47k
MC2840
-T112-1
-T112-1
10k
100k
2SC3052EF
2.2k
100k
KTA1273
3P
470p
470p
4.7k
10k
10k
220p
220p
MC2840-T112-1
3P
4P
BA09T
4.7
50V
4.7k
0.01
0.01
100p
100p
0.01
0.01
0.1
470p
47k
1k
1/2W
MC2840
-T112-1
UDZW-TE17-4.7B
A1
A2
A4
A5
A7
A8
A9
A10
A11
A12
A13
A14
A17
A6
A15
A16
CD-L
CD-R
SCOR
SENS
XLAT
MP3-ACK
MP3-O-REQ
MP3-XLAT
MP3-DATA
CLK
MP3-I-REQ
XRST
XTACN
MP3-SSTB
MP3-CLK
DATA
SCOR
SENS
XLAT
MP3-ACK
MP3-O-REQ
MP3-XLAT
MP3-DATA
CLK
MP3-I-REQ
XRST
XTACN
MP3-SSTB
MP3-CLK
DATA
∗
∗
∗
DGND
PROTECT
HP-L
HP-L
HP-L
HP-R
HP-R
HP-R
HPGND
SP-L
SP-L
SP-L
SP-R
SP-R
SP-R
MGND
+UNREG
M+10V
GND(CT)
-B
GND
+B
(CHASSIS)
Q342,343
DC DETECT
L
R
AUDIO IN
D+3.3V
+9V REGULATOR
G
I
O
DATA
MP3-CLK
MP3-SSTB
D-GND
XTACN
XRST
MP3-I-REQ
CLK
MP3-DATA
MP3-XLAT
MP3-O-REQ
MP3-ACK
XLAT
SENS
SCOR
LED-GND
DATA
MP3-CLK
MP3-SSTB
D-GND
XTACN
XRST
MP3-I-REQ
CLK
MP3-DATA
MP3-XLAT
MP3-O-REQ
MP3-ACK
XLAT
SENS
SCOR
D-OUT
L-OUT
A-GND
R-OUT
MGND
VM(7V)
AVDD(3.3V)
DVDD(3.3V)
LED+9V
SPEAKER
RI-
LI-
RI+
LI+
GND
SUB
STBY
+VC
RO-
-VC
RO+
LO+
+VP
LO-
-VP
POWER AMP
I-P.MONITOR
Q318-320
DC DETECT
S
(1/2)
Q316,317
FAN MOTOR DRIVE
(FAN)
GND
AUDIO-IN R
AUDIO-IN R
AUDIO-IN R
GND
AUDIO-IN R
(CHASSIS)
∗
R523,524
0(AEP,UK,KR)
47(E,E51,MX,AR)
(E,E51,MX,AR)
(AEP,UK,KR)
220 1/2W(E,E51,MX,AR)
470 1/2W (AEP,UK,KR)
∗
R386
(AEP,UK,KR)
∗
R376
10k(E,E51,MX,AR)
100k(AEP,UK,KR)
∗
R369,370
100k(AEP,UK,KR)
470k(E,E51,MX,AR)
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Ver. 1.3
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