Sony CMT-NEZ31 / HCD-NEZ31 Service Manual ▷ View online
HCD-NEZ31
25
25
HCD-NEZ31
7-9. SCHEMATIC DIAGRAM – PANEL Board –
•
See page 23 for Waveforms.
•
See page 29 for IC Pin Function Description.
R862
R811
R813
R814
R816
R83
7
R
832
R
833
R83
9
R836
R
824
R810
R721
R871
C801
R
825
R817
R710
R713
R
826
R860
C823
R859
C828
C826
C859
R858
R851
R850
C809
C808
C832
X801
R
856
R
812
R80
8
R
807
R827
R828
R
804
R8
03
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
C827
R857
C815
C811
R863
D809
R815
C812
IC802
R712
Q808
C829
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
S812
S811
S810
S809
S808
S801
S802
S803
S804
S805
S820
Q802
R852
Q804
Q805
R711
C820
R720
R723
R717
R718
R719
R
822
R830
D804
D805
R805
D806
R854
R727
R716
R715
IC801
R846
S807
R876
R877
S813
S806
R708
D801
D
807
100
100
100
100
100
100
100
100
100
100
1
00
100
0
10k
22
16V
100
47k
1k
1k
1
00
47k
0.01
47k
0.1
0.1
4.7
16V
16V
10k
2.2k
1k
22
16V
47
16V
0.1
C806
0.01
32.768KHz
4
70
k
100
100
10
0
100
100
100
100
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
0.1
10k
1000p
10
16V
100
MC2836
1k
470p
NJL23H400A
1k
2SC3052EF-T1-LEF
0.01
47k
2SC3052EF-T1-LEF
10P
220
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-T1-LEF
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
4.7k
10k
22k
1SS355WTE-17
1SS355W
TE-17
R
S
T
S
E
G
0
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
7
S
E
G
1
8
S
E
G
1
9
S
E
G
2
0
S
E
G
2
1
S
E
G
2
2
S
E
G
2
3
S
E
G
2
4
S
E
G
2
5
S
E
G
2
6
S
E
G
2
7
S
E
G
2
8
S
E
G
2
9
S
E
G
3
0
S
E
G
3
1
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
S
E
G
0
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
O
-L
E
D
-S
T
B
Y
O-LED-STBY
RST
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
2
3
4
5
6
8
1
0
1
1
1
2
1
8
1
9
2
4
2
9
3
0
31
33
34
43
46
46
47
4
7
48
48
5
5
5
6
5
7
31
9
41
29
41
SEG32
30
RST
9
S
E
G
3
2
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
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
O-TU-RDS-DATA
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
Q808
LED DRIVE
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
CD SYNC
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)
11
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)
-
+
(Page 28)
(Page 21)
(Page 22)
HCD-NEZ31
26
26
HCD-NEZ31
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
JW
942
JW
925
JW
951
JW
939
JW
846
JW
96
0
JW
9
31
JW
953
JW
950
JW927
JW928
JW954
JW
932
JW
943
JW
952
JW
930
JW
933
JW
934
D928
CN902
D927
C920
C918
D919
C919
D916
D917
D918
Q315
CN903
IC900
CN900
D926
IC903
JW920
C350
IC901
JW
921
C336
C922
JW946
JW916
JW915
JW914
R
910
D
912
D
911
D
913
D
914
C902
C901
JW926
JW935
JW936
JW
937
D929
C923
C925
R902
R911
R912
R913
R914
R915
R916
D322
D920
R901
R919
Q338
Q333
C930
D930
R921
R922
1-869-178-
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
1-869-183-
G
PANEL
BOARD
C
MAIN
BOARD
CN318
B
MAIN
BOARD
CN314
H
MAIN POWER
TRANSFORMER
T902
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
J
AC
BOARD
1
2
3
4
5
JW006
JW007
JW008
JW009
JW010
14
(14)
14
(14)
: Uses unleaded solder.
(Page 27)
(Page 20)
(Page 20)
(Page 24)
•
See page 17 for Circuit Boards Location.
(Page 27)
HCD-NEZ31
27
27
HCD-NEZ31
7-11. PRINTED WIRING BOARD – AC Board –
JW1859
JW
929
JW2789
JW
919
JW918
JW917
JW904
JW
901
JW909
JW906
JW
907
D910
D908
C921
D907
D909
CN901
RY901
LF901
C914
C931
T902
R909
T901
R905
R906
R904
D922
R908
D906
D923
1-869-179-
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)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
14
(14)
Ref. No. Location
D906
B-4
D907
D-10
D908
D-10
D909
C-10
D910
D-10
D922
E-10
D923
E-10
•
Semiconductor
Location
Location
: Uses unleaded solder.
(Page 26)
(Page 26)
•
See page 17 for Circuit Boards Location.
28
28
HCD-NEZ31
HCD-NEZ31
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
D923
R908
R904
R905
R909
C922
C930
D916
R919
D917
CN901
R906
C914
R913
JW915
JW916
JW914
T902
T901
JW909
LF901
Q333
R916
RY901
IC901
JW921
JW920
Q315
C921
JW904
JW906
JW907
C931
IC900
R921
R922
CN902
R901
R902
D911
D913
D914
D912
D930
D929
D922
D906
JW901
0.1
0.1
9P
4P
47k
47k
470
6.3V
0.1
1N4002B
1N4002B
1N4002B
1N5401M
MC2838
2200
25V
1N5401M
MC2836
22
50V
10
50V
4.7k
22k
RT1N141C-TP-1
TA7804LS
100
16V
16V
0.01
1N4002B
1N4002B
1N4002B
1N4002B
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-AT
1000
16V
4700p
250V
KIA7810API
47k
220k
7P
22k
22k
1N5401M
1N5401M
1N5401M
1N5401M
1SS355WTE-17
1SS355WTE-17
1SS355WTE-17
1SS355WTE-17
+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
G
7-12. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
(Page
21)
(Page
25)
(Page
21)
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