Sony CMT-NEZ7DAB / HCD-NEZ7 Service Manual ▷ View online
HCD-NEZ7
26
26
HCD-NEZ7
7-11. SCHEMATIC DIAGRAM – PANEL Board (1/2) –
•
See page 33 for Waveforms.
•
See page 24 for IC Pin Function Description.
R812
R818
R822
R832
R833
R834
R835
R808
R866
R865
R864
R809
R807
R870
C829
R839
C834
R840
C824
R709
R805
D899
R813
R814
R842
C803
R845
C804
R829
R830
R790
R895
R889
R888
R890
R891
R892
R887
R810
R816
R855
R856
R868
R838
R823
R898
R896
R897
R899
R821
R820
R828
R893
R827
R825
R826
R799
R894
R798
R797
R796
R795
R886
R794
R793
R792
R803
R791
R707
R801
C817
C818
R819
C822
C821
C823
X802
C833
R824
R817
R844
R843
R869
D809
D898
C830
C835
RV801
CN804
S820
C807
R841
Q806
D806
C815
R854
C819
C820
X801
R867
IC801
100
100
100
100
100
100
100
100
100
100
100
10k
10k
10k
0.01
100
0.01
220k
0.01
10k
1M
MC2836
100
100
10k
0.01
10k
0.01
100
100
100
100
100
100
100
100
100
100
100
100
10k
470k
100
100
100k
10k
100k
4.7k
10k
100
100
100
10k
100
100
100
100
10k
100
100
100
100
100
100
100
100
100
100
100k
1M
0.1
470
4V
10k
22p
220p
0.01
16MHz
0.01
100
47k
100
100
10k
MC2836
MC2836
10
16V
0.01
2P
470
4V
1k
RT1N141C-TP-1
SLR325VC-N-T32
0.01
100
22p
470p
32.768KHz
100
M30622MEP
-A28FPU0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
31
32
33
34
38
39
31
32
63
66
1
34
33
39
38
48
65
94
92
29
3
0
1
00
5
9
5
8
5
7
5
6
5
5
54
5
3
5
1
50
43
47
45
44
42
49
40
37
36
35
2
8
27
2
6
2
5
2
3
2
4
2
2
2
1
1
9
1
8
7
5
GND
OPEN/CLOSE
R
E
S
E
T
CD SCOR
VREF
AVCC
V
S
S
S
IR
C
S
M
P
3
D
A
T
A
O
U
T
M
P
3
D
A
T
A
IN
M
P
3
C
L
K
X
C
IN
X
C
O
U
T
X
O
U
T
V
S
S
X
IN
V
C
C
A
C
C
U
T
M
P
3
R
E
Q
R
D
S
D
A
T
A
S
T
C
L
K
S
T
D
A
T
A
IN
S
T
D
A
T
A
O
U
T
S
T
C
E
T
U
N
E
D
IN
S
T
E
R
E
O
IN
IIC
C
L
K
DATA
OUT
OUT
DAB
DAB DATA IN
S
T
M
U
T
E
CD DATA
CD SENS
CD CLK
DAB SELECT SW
DAB MUTE
CD XRST
CD XTCN
CD POWER
LINE MUTE
M
P
3
R
E
S
E
T
M
P
3
C
S
M
P
3
S
T
B
Y
V
C
C
P
O
W
E
R
K
E
Y
T
C
P
L
A
Y
L
C
D
C
L
K
L
C
D
C
S
POWER MONITOR
HALF REC SW
NO USE
SPEC IN
KEY1
AVSS
KEY0
T
C
M
O
T
O
R
C
D
O
/C
S
W
R
D
S
IN
T
B
Y
T
E
(
G
N
D
)
C
N
V
S
S
(P
U
L
L
D
O
W
N
)
N
M
I (P
U
L
L
U
P
)
HOLD (PULL DOWN)
AMP POWER
AMP MUTE
XWR (PULL UP)
STANBDY RELAY
M
P
3
L
P
TC END SW
BIAS ON/OFF
S
T
A
N
D
B
Y
L
E
D
T
C
T
R
G
L
C
D
D
A
T
A
DAB POWER 3
DAB POWER 5
TC RELAY
RST
LCD
X
L
T
C
D
B
A
C
K
L
IG
H
T
M
P
3
A
C
K
L
C
D
D
A
T
A
V
O
L
U
M
E
2
V
O
L
U
M
E
1
ACDET
M+10V
DAB DATA IN
DAB DATA OUT
DAB PWR +5V
DAB PWR +3.3V
DAB SELECT SW
DAB MUTE
GND
D+4V(SUB)
D+4V(MAIN)
(1/2)
FFC803
1
9
DGND
DGND
MGND
I-P MONITOR
POWERON
LED DRIVE
SYSTEM CONTROLLER
N
O
U
S
E
S
O
F
T
T
E
S
T
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
NO USE
NO USE
NO USE
NO USE
NO USE
NO USE
NO USE
NO USE
ROTARY ENCODER
VOLUME
7
1
CLOSE DETECT
CD LID OPEN/
1
2
FFC815
STANDBY
AMP CLK/
DATA/LT
DATA/LT
(Page 29)
(Page 27)
(Page 27)
(Page 29)
HCD-NEZ7
27
27
HCD-NEZ7
7-12. SCHEMATIC DIAGRAM – PANEL Board (2/2) –
C861
C859
R857
C831
C832
R847
IC802
C836
C837
Q811
Q809
R701
R711
R863
R815
R885
R878
R884
R882
R881
R880
R879
R883
R871
R877
R876
R875
R874
R873
R872
R861
R806
R859
C828
R860
D808
C826
C805
R846
R853
Q804
R852
Q805
Q803
R851
R850
Q802
R848
C806
C808
R849
R858
C809
D801
C810
C811
R704
R703
R702
R831
C827
Q801
IC803
Q807
LCD801
S801
S802
S803
S804
S805
S807
S808
S809
S810
S811
S812
S813
S806
Q808
C801
D805
D804
0.01
4.7
16V
16V
10k
0.1
0.1
4.7k
NJL23H400A
1
50V
1
50V
RT1N141C-TP-1
RT1P241C-TP-1
220
100
100
1k
0
10k
0
4.7k
2.2k
2.2k
1k
10k
10k
22k
10k
4.7k
2.2k
2.2k
1k
22k
1k
47k
0.1
47k
1SS355TE
-17
0.1
0.1
4.7k
2.2k
KTA1271Y-AT
1k
RT1N141C-TP-1
RT1N141C-TP-1
2.2k
1k
KTA1271Y-AT
4.7k
0.01
47
16V
4.7k
10k
22 16V
1SS355TE-17
0.01
10
16V
1k
220
1k
100k
0.1
2SC3052EF-T1-LEF
PST3429UL
2SC3052EF-T1-LEF
RT1N141C-TP-1
22 16V
SELU2WA10C-LF62
SELU2WA10C-LF62
A17
A16
A15
A14
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
1
100
29
30
36
37
51
35
50
49
53
54
56
57
58
19
5
7
55
48
40
28
27
25
26
24
23
21
22
18
47
45
43
42
44
63
6
6
92
94
65
RDS INT
RDS DATA
TUNED
ST CE
DO UCOM->ST
ST CLK
DI ST->UCOM
BIAS
REC/PB
FDATA
TAMUTE
AMPMUTE
AMPSTBY
STEREO
ST MUTE
XTCN
XRST
DATA
XLT
CLK
SENS
SCOR
LEDGND
MP3REQ
LED+7V
MICK
MILP
MP3STB
MIACK
MIDIO
MICS
MP3RST
BDGND
CDON
PACK
PLAY SW
END SW
COM GND
REC
SOL10V
MOTOR10V
(2/2)
REMOTE CONTROL
RECEIVER
V
G
O
D804,805
(LCD BACK LIGHT)
LED DRIVE
RESET SWITCH
VOLTAGE DETECT
AC DETECT
Q809,811
B+ SWITCH
Q802,803
PLUNGER DRIVE
PLUNGER DRIVE
Q804,805
CAPSTAN/REEL
TAPE
CD
BAND
TUNER/
TUNING -
TUNING +
DSGX
CD SYNC
PAUSE/
START
PLAY MODE/
TUNING MODE
DAB
1
7
BLOCK
THE ASSEMBLED
SUPPLIED WITH
DECK BLOCK
TAPE MECHANISM
FFC801
FFC804
FFC805
LIQUID CRYSTAL DISPLAY
DAB
AUTO SCAN
1
15
1
19
(Page 26)
(Page 23)
(Page 22)
(Page 26)
HCD-NEZ7
28
28
HCD-NEZ7
7-13. PRINTED WIRING BOARD – POWER Board –
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
CN715
IC900
CN902
D918
D917
D912
D914
D913
D916
D919
D911
C903
Q311
CN900
R925
D926
D927
D928
IC901
IC902
IC903
D910
LF901
RY901
CN901
D907
D909
D908
C931
C914
C921
C336
C350
C920
C928
C918
C922
C902
C915
C901
C732
C924
C751
C701
C731
C791
C792
C945
CN700
C952
D701
D702
D703
D704
D705
D924
CN716
C919
R910
JW901
JW902
JW903
JW904
JW905
JW906
JW907
JW908
JW909
JW910
JW911
JW917
JW918
JW919
JW920
JW921
JW922
JW923
JW924
JW925
JW926
JW927
JW928
JW929
JW930
JW931
JW932
JW933
JW934
JW936
JW937
JW938
JW939
JW940
JW942
JW943
JW944
JW945
JW946
JW947
JW948
JW949
JW950
JW951
JW952
JW953
JW954
JW955
JW956
JW957
JW958
JW960
JW961
JW962
JW963
CN903
JW935
JW941
C713
C925
Q333
D322
Q338
R915
R914
R918
Q315
R917
C923
R919
R913
R912
R911
R916
D923
R905
D922
R904
R906
D906
C930
R908
R909
R907
D920
C929
D936
R902
R901
R764
R759
R758
R756
R755
R754
R753
R752
R714
R709
R708
R706
R705
R704
R703
R702
R716
R710
R711
FB793
FB792
C940
C939
C737
C758
C754
C753
C752
C711
C708
C705
C704
C703
C730
C735
C712
C700
IC951
IC952
C951
R953
C953
R954
R762
R712
R751
R757
R701
R707
R715
C702
R713
R763
R765
IC703
IC702
E
E
E
E
1-867-814-
11
(11)
POWER BOARD
B
SELECTOR
BOARD
CN718
J
PANEL
BOARD
D
MAIN
BOARD
CN314
1
5
E
MAIN
BOARD
CN318
1
8
I
PANEL
BOARD
A
A
K
A
K
K
A
A
K
A
A/K
K
1
5
1
5
1
2
1
3
3
1
2
3
(AC IN)
T902
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
ANTENNA
DAB 75
Ω
DAB TUNER
MODULE
1
2
3
1
2
3
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
K
(Page 25)
(Page 20)
(Page 20)
(Page 25)
(Page 20)
•
Semiconductor
Location
Location
Ref. No. Location
D322
H-11
D701
C-7
D702
C-6
D703
C-5
D906
H-1
D907
D-10
D908
D-10
D909
D-10
D910
D-10
D911
I-9
D912
I-9
D913
I-9
D914
I-9
D916
F-8
D917
E-7
D918
F-9
D919
E-7
D920
H-8
D922
D-12
D923
D-11
D926
G-9
D927
H-9
D928
H-9
D936
J-8
IC702
B-7
IC703
B-5
IC900
K-9
IC901
F-10
IC902
K-11
IC903
C-12
IC951
B-2
IC952
C-1
Q311
G-11
Q315
G-10
Q333
I-11
Q338
H-11
HCD-NEZ7
29
29
HCD-NEZ7
7-14. SCHEMATIC DIAGRAM – POWER Board –
•
See page 30 for IC Block Diagrams.
R914
R915
D920
D906
D322
C350
IC903
R756
R765
C754
R919
R913
R912
R911
C930
C918
C923
R918
C336
R916
Q315
Q333
IC901
IC902
CN902
CN900
C929
D928
D927
D926
R907
R902
R901
C925
IC900
C914
R906
R904
R908
R905
R909
C921
D909
D910
D907
D908
C915
D919
D918
D916
D917
C901
C902
D913
D914
D911
D912
C903
D923
RY901
CN901
C919
Q338
C713
D701
D702
D703
R954
R702
R752
R713
R763
C703
R703
R701
R707
R704
C708
R712
R705
R764
C704
R715
C705
C711
C752
C702
R754
IC703(1/2)
C758
R755
R762
C753
R757
R753
R751
R706
R708
R709
R759
R758
C953
C940
C951
C939
R716
C701
C751
R710
C735 C730
C732
C712
R711
C700
CN716
CN715
C945
C924
C952
C792
FB793
FB792
C791
C731
C737
R917
R714
D704
D924
C928
C922
D922
C920
D936
R925
T901
T902
C931
LF901
IC702(1/2)
IC952
IC951
CN700
IC702(2/2)
IC703(2/2)
Q311
D705
R910
CN903
R953
4.7k
22k
MC2838
1SS355TE-17
MC2836
10
50V
TA7804LS
22k
22k
100p
47k
47k
47k
47k
0.1
470
6.3V
0.1
1k
22
50V
47k
RT1N141C-TP-1
RT1N141C-TP-1
TA7804LS
TA7809S
8P
9P
0.01
1N4002B
1N4002B
1N4002B
47k
47k
47k
0.01
TA7810S
10
50V
10k
4.7k
1k
4.7k
1k
1000
16V
1N4002B
1N4002B
1N4002B
1N4002B
0.1
1N5401M
1N5401M
1N5401M
1N5401M
0.1
0.1
1N4002B
1N4002B
1N4002B
1N4002B
0.1
MC2838
3P
4700
25V
RT1N141C-TP-1
100
16V
1N4002B
1N4002B
1N4002B
10k
10k
10k
10k
10k
470p
10k
4.7k
4.7k
10k
220p
2.2k
10k
1k
100p
22k
0.1
0.1
0.1
0.1
10k
NJM4565M
220p
10k
2.2k
470p
4.7k
10k
4.7k
22k
1k
22k
22k
1k
0.1
0.1
0.1
0.1
10
10
16V
10
16V
100
0.1
0.1
4700
6.3V
6.3V
0.1
100
0.1
5P
7P
2200
16V
100
16V
16V
100
16V
16V
10
50V
10
50V
4700
6.3V
6.3V
0.1
100k
1k
100
16V
16V
(AC IN)
220
10V
10V
1SS355TE-17
100
16V
16V
MC2840
0.0047
250V
NJM4565M
BA33BC0WFP
BA50BC0WFP
44P
NJM4565M
NJM4565M
KTA1271Y-AT
5P
10k
0V
ACDET
D+4V(SUB)
DGND
D+4V(MAIN)
POWERON
I-P MONITOR
MGND
M+10V
DGND
230V
DAB DATA IN
DAB DATA OUT
DAB PWR +5V
DAB PWR +3.3V
DAB SELECT SW
DAB MUTE
DAB MUTE
DAB SELECT SW
DAB RCH
DAB LCH
DAB GND
DAB PWR 5V
+B
GND
-B
GND(CT)
AGND
MGND
+UNREG
D+4V
DGND
PROTECT
M+10V
A+9V
L
N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
25
27
29
31
33
35
37
39
41
43
22
24
26
28
30
32
34
36
38
40
42
44
I
O
G
+4V REGULATOR
G
I
O
G I
O
G
I
O
+9V REGULATOR
+4V REGULATOR
MAIN POWER
MAIN POWER
+10V REGULATOR
SUB POWER
TRANSFORMER
TRANSFORMER
LINE FILTER
Q333,338
AC DETECT
GND
LOW-PASS FILTER
7
5
6
8
3
2
4
1
LOW-PASS FILTER
7
8
6
5
1
4
3
2
+3.3V REGULATOR
+5V REGULATOR
CTL
VCC
GND
OUT
NC
CTL
VCC
GND
OUT
NC
DAB TUNER
MODULE
RELAY DRIVE
MAIN POWER
RELAY DRIVE
ANTENNA
DAB 75
Ω
(Page 22)
(Page 26)
(Page 21)
(Page 26)
(Page 22)
Click on the first or last page to see other CMT-NEZ7DAB / HCD-NEZ7 service manuals if exist.