Sony CMT-NEZ50 / HCD-NEZ50 Service Manual ▷ View online
HCD-NEZ50
25
25
HCD-NEZ50
7-9. SCHEMATIC DIAGRAM – PANEL Board –
•
See page 23 for Waveforms.
•
See page 29 for IC Pin Function Description.
R
8
6
2
R811
R813
R814
R816
R
8
3
7
R
8
3
2
R
8
3
3
R
8
3
9
R
8
3
6
R
82
4
R810
R721
R871
C801
R
8
2
5
R817
R710
R713
R
8
2
6
R860
C823
R859
C828
C826
C859
R858
R851
R850
C809
D801
C808
C832
C806
X801
R
8
5
6
R
8
1
2
R
8
0
8
R
8
0
7
R
82
7
R
8
2
8
R
80
4
R
8
0
3
C819
C822
C821
R829
C817
C818
R806
R835
R820
C834
R819
R883
R882
R881
R880
R879
R875
R884
R874
R873
R872
R849
C805
R841
R843
R844
R845
R842
C803
C804
C807
X802
R853
R831
D
8
0
7
C827
R857
C815
C811
R863
D809
R815
C812
IC802
R712
Q808
C
8
2
9
R868
Q801
CN1805
R722
R724
R885
R878
R869
C833
R847
R848
Q803
C802
R840
IC803
LCD801
R725
R701
R702
R726
R703
R704
RV801
R870
R886
R818
C816
R709
R707
R861
Q807
S813
S812
S811
S810
S809
S808
S801
S802
S803
S804
S805
S820
Q802
R852
Q804
Q805
R711
C820
R720
R723
R717
R718
R719
R
82
2
R830
D804
D805
R805
D806
R854
R727
R716
R715
IC801
R846
R708
R887
S814
S806
S807
R876
R877
C831
1
0
0
100
100
100
100
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
100
0
10k
22
16V
1
0
0
47k
1k
1k
1
0
0
47k
0.01
47k
0.1
0.1
4.7
16V
16V
10k
2.2k
1k
22
16V
1SS355WTE-17
47
16V
0.1
0.01
32.768KHz
4
7
0
k
1
0
0
1
0
0
1
0
0
1
0
0
1
00
1
0
0
1
0
0
22p
22p
220p
10k
0.01
470
4V
1k
100
100k
0.01
10k
4.7k
4.7k
2.2k
2.2k
1k
4.7k
2.2k
2.2k
2.2k
1k
4.7k
0.1
1k
10k
22k
10k
10k
0.01
0.01
470
4V
4.19MHz
2.2k
100k
1
S
S
3
5
5
W
T
E
-1
7
0.1
10k
1000p
10
16V
100
MC2836
1k
470p
NJL23H400A
1k
2SC3052EF
0
.0
1
47k
2SC3052EF
10P
220
0
JR801 0
2.2k
10k
10k
0.01
4.7k
4.7k
RT1N141C-TP-1
100
6.3V
10k
PST3429UL
1k
1k
1k
1k
1k
1k
0
0
220k
0.01
10k
100k
22k
2SC3052EF
KTA1271Y-AT
1k
KTA1271Y-AT
RT1N141C-TP-1
470
470p
100
100
100
100
100
4
.7
k
4.7k
SELU2B10A-SLF62
SELU2B10A-SLF62
0
SLR342
0
100
100
100
MB90803PF-G
-115E1
4.7k
10k
4.7k
10k
4.7K
RST
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
O-LED-STBY
O-LED-STBY
RST
COM0
COM1
COM2
COM3
2
3
4
5
6
8
10
11
12
18
19
24
29
30
31
33
34
43
46
46
47
47
48
48
55
56
57
31
9
41
29
41
SEG32
30
RST
9
SEG32
55
56
57
4
2
24
33
18
19
49
50
31
6
11
34
3
49
30
5
10
12
50
8
29
43
27
45
27
45
GND
OPEN/CLOSE
DO UCOM->ST
ST CLK
DI ST->UCOM
BIAS
REC/PB
FDATA
TAMUTE
AMPMUTE
RST
MD 0
MD 2
GND
VCC
P.66
P.65
SO
SI
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
SEG32
O-CD-XRST
O-FUNCTION
IC-DATA
O-MP3-DATA
O-MP3-CLK
I-MP3-DATA
O-CD-XLAT
I-RMC(SIRCS)
O-MP3-XLAT
O-MP3-SSTB
O-MP3-REQ
VCC
VSS
X0A
X1A
O-LED-STBY
O-TC-BIAS
O-TC-REC/PLAY
O-TC-SOL
O-TC-MOTOR
I-TC-END SW
I-SW_CD-LID
I-CD-SENS
O-CD
-CLK
O-CD
-DATA
AVCC
I-TU-DO
O-CD-XTACN
AVSS
I-P-MONI
I-KEY_1
I-TC-REC/PLAY SW
O-SYS MUTE
O-AMP MUTE
I-KEY0/WAKE-UP
I-AC-CUT
I-CD-SCOR
VSS
I-TU-RDS-CLK
O-POWER
I-SUFFIX
I-RE-VOL
I-MP3-REQ
I-MP3-ACK
MD2
MD1
MD0
RESET
O-TU-CE
O-TU-CLK
O-TU-DI
VLCD
COM0
COM1
COM2
COM3
SEG0
SEG1
VCC
GND
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
VCC
VSS
SEG31
LED+9V
SCO
POWER-ON
I-PWR.MONI
ACDET
D-GND
M-GND
M+10V
PACK
END SW
COM GND
REC
SOL10V
MOTOR10V
D-GND
REMOTE CONTROL
RECEIVER
V
O
G
STANDBY
ROTARY ENCODER
VOLUME
9
1
FFC803
1
THE ASSEMBLED
BLOCK
SUPPLIED WITH
TAPE MECHANISM
DECK BLOCK
FFC801
Q802,803
PLUNGER DRIVE
Q804,805
CAPSTAN/REEL MOTOR DRIVE
AC DETECT
VOLTAGE DETECT
RESET SWITCH
SYSTEM CONTROLLER
TUNING +
TUNING -
TUNER/BAND
CD
TAPE
DSGX
CDSYNC
PAUSE/
START
PLAY MODE/
TUNING MODE
(NC)
CD LID
OPEN/CLOSE
DETECT
1
2
1
FFC804
1
17
FFC805
XI
XO
LIQUID CRYSTAL DISPLAY
D804,805
(LCD BACK LIGHT)
STK-ON
SD(TUNED)
ST CE(O-TU-CE)
STK-ON
I-TU-SDC
I-TU-SD(TUNED)
BACK LIGHT
6
D+3.3V(MAIN)
D+4V(SUB)
2.2k(AEP,UK)
22k(E,E51,MX)
FUNCTION
-
+
13
RDS DATA
RDS CLK
(AEP,UK)
(E,E51,MX)
(AEP,UK)
I-TU-RDS-DATA
R801
0
R802
0
(AEP,UK)
(E,E51,MX)
(Page 28)
(Page 21)
(Page 22)
Ver. 1.3
Refer to SUPPLEMENT-2 for the PANEL 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-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.
HCD-NEZ50
26
26
HCD-NEZ50
7-10. PRINTED WIRING BOARDS – DC Section –
•
Semiconductor
Location
Location
Ref. No. Location
D322
G-4
D911
E-4
D912
E-4
D913
E-5
D914
E-5
D916
D-8
D917
D-8
D918
E-8
D919
E-8
D920
E-6
D926
E-7
D927
E-6
D928
E-5
D929
F-8
D930
F-7
IC900
F-1
IC901
G-7
IC903
H-9
Q315
H-8
Q333
G-4
Q338
G-5
R920
R922
R921
D930
C930
Q333
Q338
R919
R901
D920
D322
R916
R915
R914
R913
R912
R911
R902
C925
C923
D929
JW942
JW925
JW951
JW939
JW846
JW960
JW931
JW953
JW950
JW927
JW928
JW954
JW932
JW943
JW952
JW930
JW933
JW934
JW946
JW926
JW935
JW936
JW937
R910
C922
C336
JW921
IC901
C350
JW920
IC903
D926
CN900
JW922
IC900
CN903
Q315
D918
D917
D916
C919
D919
C918
C901
C902
C920
D927
D912
CN902
D928
D914
D913
D911
JW009
JW006
JW007
JW008
JW010
JW916
JW915
JW914
1-870-476-
DC BOARD
E
E
3
E
K
A
1
2
3
4
5
A
K
K
A
1
1
7
1
4
1
3
1
3
CONNECT BOARD
1-870-478-
G
PANEL
BOARD
C
MAIN
BOARD
CN318
B
MAIN
BOARD
CN314
H
MAIN POWER
TRANSFORMER
T902
J
AC
BOARD
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
5
4
3
2
1
H
11, 12, 13
(11, 12, 13)
11, 12, 13
(11, 12, 13)
(Page 27)
(Page 27)
(Page 20)
(Page 20)
(Page 24)
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
Ver. 1.2
HCD-NEZ50
27
27
HCD-NEZ50
7-11. PRINTED WIRING BOARD – AC Board –
D923
D906
R908
D922
R904
R906
R905
R909
WIRE900
JW1859
JW
929
JW2789
JW
919
JW904
JW
901
JW
905
JW902
JW911
JW909
JW
908
JW
907
C931
C914
RY901
CN901
D909
D907
C921
T901
D908
D910
JW
906
T902
S901
LF901
1-870-479-
AC BOARD
1
2
A
A
1
1
2
3
4
5
2
3
4
5
K
SUB POWER
TRANSFORMER
MAIN POWER
TRANSFORMER
J
CONNECT
BOARD
H
DC
BOARD
(AC IN)
(CHASSIS)
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
VOLTAGE SELECTOR
120V
220V
230-240V
H
(E, E51)
(AEP, UK, MX, AR, KR)
(E, E51, MX)
(E, E51)
(AEP, UK, AR, KR)
(AEP, UK, MX, AR, KR)
(AEP, UK, MX, AR, KR)
(E, E51)
(AEP, UK, MX, AR, KR)
11, 12, 13
(11, 12, 13)
Ref. No. Location
D906
B-4
D907
D-10
D908
D-10
D909
C-10
D910
D-10
D922
E-10
D923
D-10
•
Semiconductor
Location
Location
(Page 26)
(Page 26)
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
Ver. 1.3
28
28
HCD-NEZ50
HCD-NEZ50
C901
C902
CN900
CN903
R911
R912
C918
C923
D926
D927
D928
D919
D920
C919
D918
D322
C336
C350
R914
R915
Q338
IC903
C920
C925
D907
D909
D910
D908
D922
D923
R908
R904
R905
R909
C922
C930
D916
R919
D917
CN901
R906
C914
R913
JW915
JW916
JW914
T902
T901
JW909
LF901
LINE FILTER
Q333
R916
RY901
IC901
JW921
JW920
Q315
D906
C921
JW904
JW906
IC900
D
930
D929
R921
R922
CN902
R901
R902
D911
D913
D914
D912
JW908
JW907
JW902
JW901
C931
JW905
JW911
S901
0.1
0.1
9P
4P
4.7k(AEP,UK,KR)
47k(E,E51,MX,AR)
470
6.3V
0.1
1N4002B
1N4002B
1N4002B
1N5401M
MC2838-T112-1
2200
25V
1N5401M
MC2836
22
50V
10
50V
4.7k
22k
RT1N141C-TP-1
TA7804LS
100
16V
16V
0.01
1N4002B
1N4002B
1N4002B
1N4002B
1SS355WTE
MC2838-T112-1
1k
4.7k
4.7k
1k
220
10V
10V
0.1
1N5401M
47k
1N5401M
2P
10k
10
50V
47k
RT1N141C-TP-1 47k
TA78033LS
KTC3198GR
1SS355WTE
1000
16V
KIA7810API
1SS
355W
TE
1SS355WTE
47k
220k
7P
22k
22k
1N5401M
1N5401M
1N5401M
1N5401M
4700p
250V
+B
GND
-B
ACDET
D+4V(SUB)
DGND
POWERON
I-P MONITOR
MGND
M+10V
GND(CT)
DGND
MGND
+UNREG
DGND
PROTECT
M+10V
+4V REGULATOR
O
G
I
O
G
I
Q333,338
AC DETECT
RELAY DRIVE
MAIN POWER
G
O
I
+10V REGULATOR
MAIN POWER
TRANSFORMER
TRANSFORMER
SUB POWER
(AC IN)
ACDET
+UNREG(SUB)
GND
GND(CT)
RELAY
D+3.3V(MAIN)
D+3.3V
+3.3V REGULATOR
I-P.MONITOR
(AEP,UK,MX,AR,KR)
(E,E51)
(AEP,UK,MX,AR,KR)
(E,E51)
(E,E51,MX)
(AEP,UK,AR,KR)
(AEP,UK,MX,AR,KR)
(AEP,UK,MX,AR,KR)
(E,E51)
VOLTAGE
SELECTOR
120V
220V
230-240V
∗
R911
47k(E,E51,MX,AR)
100k(AEP,UK,KR)
∗
R912
∗
∗
7-12. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
(Page
21)
(Page
25)
(Page
21)
Ver. 1.3
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