Sony CMT-NEZ50 / HCD-NEZ50 Service Manual ▷ View online
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
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
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
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
35V
10p
100
35V
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
-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
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)
(Page 28)
(Page 28)
(Page 22)
(Page 19)
(Page 25)
(Page 22)
(Page 22)
Ver. 1.3
HCD-NEZ50
22
22
HCD-NEZ50
7-7. SCHEMATIC DIAGRAM – MAIN Section (2/2) –
•
See page 23 for Waveforms.
•
See page 23 for IC Block Diagrams.
R
1
17
R131
R309
R527
R525
R519
R520
R526
R528
R134
R107
C358
R135
R235
C235
C135
R228
R233
C218
R234
R231
R132
R133
R128
R243
R143
R145
R124
R125
R225
C213
R120
R220
C116
C216
C114
R147
R118
R218
R247
C120
C117
R
148
R
119
C217
C220
R
21
9
R
248
R249
R216
R116
R149
R217
R123
R121
R221
R114
R212
R209
R108
R239
R109
C139
C113
C214
R223
C
211
R214
R238
R112
R
2
11
C239
C140
C111
R111
C240
R204
C104
C204
R210
R206
R207
C103
R110
R105
C2
07
C106
R106
C
10
8
C208
R
205
C
20
3
R104
C206
IC302
R103
R203
R208
C304
R310
R201
R100
R101
C101
R368
R367
R366
Q348
C354
R311
R362
C356
Q347
CN301
R138
R232
C118
R102
C102
C202
R202
C201
R200
C314
C303
C362
C107
C302
T301
HRPE301
J500
EPT500
R312
C355
R222
R122
Q344
C313
R305
Q335
Q329
R306
Q334
Q328
Q326
R308
C312
R313
R315
Q332
R139
R314
Q327
R307
R
302
R303
C301
R
3
01
C331
C221
C121
JR115
JR215
C305
C367
R319
R317
R224
R245
C233
C133
WIRE300
R533
R531
R529
R534
R532
R530
R541
R542
R544
R546
R548
R543
R545
R547
R316
C338
CN319
CN320
R226
R126
JR136
JR236
C343
C342
C345
JR137
C345
JW251
JW258
JW011
SHIELD BOARD
JW012
JW013
JW014
FB318
C330
C347
2.2k
1k
1k
470
470
470
470
470
470
0
100k
0.01
100k
100k
10
50V
10
50V
1k
0
47000p
0
1k
1k
0
1k
10k
10k
0
22k
22k
22k
0.22
50V
10k
10k
470p
470p
0.47
50V
22k
10k
10k
22k
220p
1000p
2.2k
10
k
1000p
220p
10
k
2.2k
10k
47k
47k
10k
2.2k
2.2k
2.2k
2.2k
4.7k
22k
4.7k
10k
22k
4.7k
470p
0.22
50V
0.47
50V
2.2k
10
00
p
4.7k
2.2k
22k
22k
470p
220p
1000p
22k
220p
47
100
10V
10V
100
10V
10V
1k
4.7k
100k
100p
1k
220k
2.2
50V
0.022
4.7k
4700p
470
0p
220k
10
0p
47
0.022
BD3881FV
470
470
10k
0.0047
4.7k
47k
10k
47k
0.001
10k
2.2k
22k
RT1N141C-TP-1
47
16V
4.7
22k
0.001
KTA1266
7P
2.2k
1k
47000p
47k
2200p
2200p
47k
0.001
10k
0.01
4700p
10
50V
2.2
50V
220
10V
10V
4.7
0.022
470k
470k
2SC2001TP-LK
100
16V
16V
2.2k
2SC3052EF
2SC3052EF
2.2k
2SC3052EF
2SC3052EF
2SC3052EF
1k
4.7
50V
2.2k
10k
2SA1235TP
22k
10k
2SC3052EF
1k
100
k
10k
10p
22k
0.22
1
1
0
0
220
10V
10V
470p
22k
10k
22k
0
0.047
0.047
470
470
∗
470
470
∗
10k
10k
10k
10k
10k
10k
10k
10k
10k
0.01
100p
100p
0.1
0
0
0
2200p
0.1
A1
A2
A4
A5
A7
A8
A9
A
10
A11
A12
A13
A6
A14
A17
A15
A16
STCLK
STCLK
STDOUT
STDOUT
STDIN
STDIN
STCE
STCE
TUNED
TUNED
CD-L
CD-R
RDS CLK
RDS CLK
RDS DATA
RDS DATA
∗
∗
∗
∗
BASS-R
OUT-R
BASS-L
OUT-L
AUX-L
CD-L
CD-R
RECO-R
RECO-L
NF-L
NF-R
AUX-R
HP-L
HPGND
HP-R
SP-L
SP-R
AMPMUTE
TAMUTE
FDATA
REC/PB
BIAS
ST-L
ST-R
ST CE
ST CLK
HP-L
HP-L
HP-R
HP-R
SP-L
SP-L
SP-R
SP-R
(2/2)
VEE
CONT
VDD
TRE-R
TRE-L
GND
VOLI-R
VOLI-L
PBO-L
PB0-R
NF-R
TC-R
TC-L
NF-L
AM
ANTENNA
COAXIAL
INPUT SELECT,
ELECTRICAL VOLUME
1
2
3
4
5
6
BIAS OSC
BIAS OSC
REEC BIAS SWITCH
L-CH
R-CH
(REC/PB/ERASE)
ERASE
FFC501
1
13
(CHASSIS)
Q349
B+ SWITCH
Q347,348
PHONES
REC/PB SWITCH
Q326-329,332,334,335
TUNER
(FM/AM)
STK-ON
DO UCOM->ST
DI ST->UCOM
SD(TUNED)
A-GND
DI
CLK
DO
CE
ST(TUNED)
L-OUT
VCC
R-OUT
(CHASSIS)
RDS DATA
RDS CLK
RDS DATA
RDS CLK
(AEP,UK,KR)
(E,E51,MX,AR)
(AEP,UK)
(E,E51,MX,AR)
11P(E,E51,MX,AR)
13P(AEP,UK,KR)
9P(EXCEPT AEP,UK)
11P(AEP,UK)
∗
R126,226
0(AEP,UK.KR)
22k(E,E51,MX,AR)
(AEP,UK,KR)
∗
JR136,236
0(E,E51,MX,AR)
22k(AEP,UK,KR)
(AEP,UK,KR)
(E,E51,MX,AR)
FM 75
Ω
∗
R529,530
220(E,E51,MX)
470(AEP,UK)
C520 0.01
C520
0.01
JW240
JW240
0.45
µ
H
(AEP,UK)
(E,E51,MX)
(Page 25)
(Page 21)
(Page 21)
(Page 21)
Refer to SUPPLEMENT-1 for the HEAD PHONE board of schematic
diagram of Argentina and Korean models.
When repairing the set of except Argentina and Korean models, refer to
either of original service manual/SUPPLEMENT-1 according to the set.
diagram of Argentina and Korean models.
When repairing the set of except Argentina and Korean models, refer to
either of original service manual/SUPPLEMENT-1 according to the set.
Ver. 1.3
HCD-NEZ50
23
23
HCD-NEZ50
•
Waveforms
– CD Board –
– MAIN Board –
– PANEL Board –
ws
IC801
od
(XO)
(CD play mode)
1 V/DIV, 100 ns/DIV
238 ns
3.6 Vp-p
wa
IC801
qf
(X1A)
1 V/DIV, 10
µ
s/DIV
30.6
µ
s
3.1Vp-p
3
IC201
u;
(RFACO)
(CD PLAY mode)
200 mV/DIV, 500 ns/DIV
0.5 to 1.3 Vp-p
22.8
µ
s
3.3 Vp-p
1
IC201
1
(LRCK)
(CD PLAY mode)
1 V/DIV, 10
µ
s/DIV
2
IC201
5
(BCK)
(CD PLAY mode)
1 V/DIV, 200 ns/DIV
472 ns
3.3 Vp-p
4
IC201
<z/,
(XTAO)
(CD PLAY mode)
1 V/DIV, 20 ns/DIV
59.4 ns
2.3 Vp-p
qa
T301
4
(REC mode)
50 V/DIV, 5
µ
s/DIV
12
µ
s
81.6 Vp-p
qs
Q344 (Collector)
(REC mode)
(REC mode)
5 V/DIV, 5
µ
s/DIV
12
µ
s
16.2 Vp-p
IC402
BA5947FM-E2
1
LEVEL SHIFT
MUTING
D
15
16
+
–
+
–
D
D
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC
OPOUT
OUTVREF
CH4CAPA
CH4IN
CH3FIN
CH3RIN
GND
MUTE
POWVCC
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
OPIN
–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D
D
3
SW
INTERFACE
•
IC Block Diagrams
– CD Board –
IC302
BD3881FV
28
REC1O
27
REC1N
26
REC2N
25
REC2O
24
INC2
23
INC1
22
INB2
21
INB1
20
INA2
19
INA1
18
OUT1
17
BAS1
16
OUT2
15
BAS2
BASS
BASS
13
CONT
14
VEE
12
VDD
11
TRE2
10
TRE1
TREBLE
TREBLE
7
VOLIN1
8
VOLIN2
9
GND
VOLUME
VOLUME
6
PB1O
LOGIC
CONTROL
5
PB2O
4
PB2N
1
PB1N
2
PB1P
3
PB2P
– MAIN Board –
HCD-NEZ50
24
24
HCD-NEZ50
7-8. PRINTED WIRING BOARD – PANEL Board –
JR702
JR704
JR705
JR706
JR707
JR712
JR701
JR715
JR716
JR719
JR720 JR721
JR722
JR723
JR724
JR725
JR727
JR728
JR729
JR730
JR732
JR733
JR734
JR735
JR736
JR737
JR738
JR739
R846
JR718
JR731
JR740
JR801
R887
D801
R811
R810
R884
R871
R885
R878
R869
C833
C806
R848
C831
R726
R725
R824
R826
R870
R859
R803
R715
R713
R802
R801
R830
R712
R701
R702
R710
R704
R703
R805
R711
Q808
R724
C805
R832
R813
R829
R820
C804
C803
R843 R842
R844
R845
R837
R814
R877
R822
R827
R828
R815
IC803
R847
R723
R709
R708
R819 R816
R835
R825
C834
R841
D809
C821
C822
R856
R862
R863
C819
IC801
C820
R721
R851
C826
R833
R879
R880
R881
R882
R883
R849
R850
R853
R852
C832
R817
Q805
Q803
Q801
Q807
C817
R806
R876
R875
R874
R873
R872
R868
R886
C829
C815
R831
R722
C827
R836
R840
R861
R839
R807
R812
C823
R808
R804
R707
C816
R854
R818
R857
R858
C812
R860
C828
D807
R727
R720
R716
R718
R717
R719
JR703
CN804
CN1805
JW801
JW802
JW803
JW804
JW808
JW809
JW810
JW811
JW812
JW813
JW814
JW816
JW817
JW
819
JW
820
JW
821
JW
824
JW
826
JW827
JW
829
JW
832
JW
833
JW
834
JW835
JW836
JW838
JW839
JW840
JW841
JW842
JW843
JW
845
JW
847
JW
848
JW849
JW850
JW851
JW852
JW
854
JW
860
JW
861
JW862
JW
863
JW865
JW867
JW868
JW870
JW871
JW872
JW873
JW875
JW876
JW
877
JW880
JW881
JW882
JW883
JW884
JW885
JW886
JW887
JW888
JW889
JW890
JW891
JW892
JW893
JW894
JW895
JW896
JW897
JW898
JW
806
JW
822
JW
830
JW878
JW866
JW864
JW
857
JW
856
JW
858
JW874
JW
855
JW
831
JW
823
JW837
JW844
JW825
JW
828
JW805
S803
S814
RV801
D804
S808
C807
C811
X801
S805
Q804
Q802
LCD801
C802
C809
S802
S801
IC802
S804
S806
S809
C859
C801
D805
S810
S807
S811
S813
S812
C808
C818
JW815
JW807
JW
818
JW
869
JW
879
D806
PANEL BOARD
1-869-356-
11, 12
(11, 12)
E
E
E
E
1
2
4
E
LIQUID CRYSTAL DISPLAY
D804,805
(LCD BACK LIGHT)
1
3
3
1
STANDBY
DSGX
CD SYNC
PAUSE/
START
TUNER/
BAND
TUNING –
TUNING +
PLAY MODE/
TUNING MODE
VOLUME
ROTALY ENCODER
3
1
2
X802
TAPE
CD
E
E
TAPE MECHANISM
DECK BLOCK
SUPPLIED WITH THE
ASSEMBLED BLOCK
1
9
5
FFC803
G
DC BOARD
CN900
17
1
FFC804
FFC805
2
1
F
MAIN BOARD
CN320
D
MAIN BOARD
CN321
S820
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
CD LID
OPEN/CLOSE
DETECT
S801 – 814
A
K
K
6
1
(NC)
FFC801
13
1
FUNCTION
(AEP, UK)
(E, E51, MX)
(AEP, UK)
+
–
(AEP, UK)
(E, E51, MX)
30
31
50
51
80
81
1
100
Ref. No. Location
D801
F-9
D804
C-3
D805
C-3
D806
G-9
D807
C-8
D809
G-9
IC801
D-6
IC802
D-8
IC803
C-8
Q801
C-7
Q802
E-9
Q803
D-8
Q804
E-8
Q805
E-8
Q807
B-7
Q808
C-3
•
Semiconductor
Location
Location
(Page 20)
(Page 20)
(Page
26)
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
Ver. 1.3
Refer to SUPPLEMENT-2 for the PANEL board of printed wiring board of
Argentina and Korean models.
When repairing the set of except Argentina and Korean models, refer to
either of original service manual/SUPPLEMENT-2 according to the set.
Argentina and Korean models.
When repairing the set of except Argentina and Korean models, refer to
either of original service manual/SUPPLEMENT-2 according to the set.
Click on the first or last page to see other CMT-NEZ50 / HCD-NEZ50 service manuals if exist.