Sony CMT-NEZ7DAB / HCD-NEZ7 Service Manual ▷ View online
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)
HCD-NEZ7
30
30
HCD-NEZ7
IC101
CXD3059AR
SERVO
INTERFACE
32
RFDCO
34
AC_SUM
35
EQ_IN
33
PDSENS
31
AVDD4
91
LMUT
92
NC
93
XTSL
94
IOVSS0
95
XTACN
96
SQSO
97
SQCK
98
SBSO
99
EXCK
1
MIRR
2
DFCT
3
FOK
9
SFDR
10
SRDR
11
TFDR
12
TRDR
13
FFDR
14
FRDR
19
E
20
F
26
A
27
B
28
C
29
D
30
NC
21
TEI
23
FEI
22
TEO
24
FEO
25
VC
5
LOCK
6
MDP
7
SSTP
4
VSS
8
IOVSS1
18
NC
15
IOVDD1
16
AVDD0
17
AVSS0
68 EMPH
66 BCK
67 VDD
71 DOUT
69 EMPHI
70 IOVDD2
64 VSS
63 LRCK
65 PCMD
75 NC
73 TES1
74 IOVSS2
78 XTAI
76 XVSS
79 XVDD
80 AVDD1
77 XTAO
72 TEST
MIRR
DFCT
FOK
TE
FE
SUM
PWM
GENERATOR
SERVO
DSP
A/D
CONVERTER
DC/DC
CONVERTER
ASYNMMETRY
CORRECTOR
SUB CODE
PROCESSOR
ERROR
CORRECTOR
32k
RAM
D/A
INTERFACE
D/A
COVERTER
SELECTOR
DIGITAL OUT
CPU INTERFACE
CLOCK
GENERATOR
SERVO
AUTO
SEQUENCER
LPF
LPF
DIGITAL
CLV
VC
ATT
39
RFC
EQ
41
RFACO
AMP
36
LD
37
PD
42
RFACI
43
AVDD3
44
BIAS
56
DDVRSEN
57
AVSS5
59
NC
54
AVDD5
58
DDCR
60
BCKI
55
DDVROUT
45
ASYI
47
VPCO
48
VCTL
49
AVSS3
46
ASYO
DIGITAL
PLL
EFM
DEMODULATOR
51
FILO
50
CLTV
52
FILI
53
PCO
38
NC
40
AVSS4
APC
112
XPCK
111
XUGF
110
WFCK
109
ATCK
101
SYSM
100
XRST
103
VSS
102
DATA
104
XLAT
106
VDD
107
SENS
105
CLOK
108
SCLK
113
GFS
116
VDD
115
SCOR
114
C2PO
117
C4M
119
COUT
118
WDCK
120
NC
82 VREFL
83 AVSS1
84 AVSS2
81 AOUT1
86 AOUT2
87 AVDD2
88 NC
89 IOVDD0
90 RMUT
85 VREFR
61 PCMDI
62 LRCKI
•
IC Block Diagrams
– CD Board –
IC251
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
IC303
BH15FB1WG
THERMAL
PROTECTION
VOLTAGE
REFERENCE
CONTROL
BLOCK
OVER CURRENT
PROTECTION
VIN
+
−
1
GND
2
STBY
3
NC
4
V
OUT
5
31
HCD-NEZ7
IC301
TC94A34FG-002
33
34
35
36
37
38
39
40
41
42
1
8
43
57
62
58
61
56
63
52
50
47
46
45
44
48
49
25
26
27
28
29
30
31
32
17
18
19
20
21
22
23
24
9
10
11
2
3
4
5
6
7
64
55
53
51
12
13
14
15
16
54
SDO2/
/CS/
/RAS
/CS/
/RAS
PO12/
AD15/
/CAS
AD15/
/CAS
SDO3/
/OE
/OE
TXO
DIT
Bus
Switch
BUCK/
PO11/
AD14
PO11/
AD14
/CCE/
PO10/
AD13
PO10/
AD13
PO9/AD12
PO8/AD11
VDDM
General
Input/
Output
Port
Address Calc.
2sets
Y-
P
ointer
register
C-P
ointer
register
CDP
Control
I/F
Sub Code I/F
X-P
ointer
register
SRMSTB
VDDT
AD10
AD9
AD8
PO7AD7
PO6/AD6
PO5/AD5
YRAM
4k w
ord
CRAM
4k w
ord
ERAM
4k w
ord
x1
2k w
ord
x1
CR
OM
4k w
ord
x9
XRAM
4k w
ord
Timer
Flag
Interrupt
Control
SRAM/DRAM
I/F
SRAM I/F
1k bit
SRAM
X-Bus
Y
-Bus
VCO
Timing
Generator
PRAM
4k w
ord
PR
OM
4k w
ord
x5
40 bit
Instr
uction
Decoder
Prog
ram
Control
MCU I/F
register
XO/X1/X2
Y0/Y1/Y2
MX
MY
MZ
MA
C
A0
A1
AX
AY
ALU
A2
A3
round & limit
round & limit
A
udio I/F
SBSY/
BCKIB
D
ATA
/
SDI1
LRCKIA
BCKIA
SDI0
LRCKO
BCKO
SDO0
VDDT
VSS
/MIACK/
AD16
/MICK
MIDIO
/MILP
/MICS
STANDBY
/RESET
VDDP
PO4/
AD4
PO3/
AD3
PO2/
AD2
PO0/
AD0
VSS
PO1/
AD1
VDD
VSSP
VCOI
VDDX
TEST
60
VSSX
CK
O/
PO13/
AD16
MIMD
59
XI
XO
CKI/CLCK/
IRQ/FI0
VDD
VSS
PIO0/
SDI2/IO0
PIO1/
SDI3/IO1
PIO2/
IO2
PIO3/
IO3
B
US3/FI1/
PIO4/IO4
B
US2/FI2/
PIO5/IO5
B
US1/FI3/
PIO6/IO6
B
US0/
PIO7/IO7
SDO1//WE
SFSY/
LRCKIB
JT
A
G
I/F
32
HCD-NEZ7
– MAIN Board –
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
IC302
BD3881FV
0Y
VDD
1
16
2Y
2X
2
15
Y-COM
1X
3
14
3Y
X-COM
4
13
1Y
0X
5
12
INH
3X
6
11
VEE
A
7
10
VSS
B
8
9
LOGIC LEVEL
CONVERTER
THERMAL
SHUT DOWN
OVER CURRENT
PROTECT
VDD
VCC
2
GND
3
NC
5
OUT
4
CTL
1
–
+
VREF
DRIVER
– SELECTOR Board –
IC721
TC4052BF (EL, N)
– POWER Board –
IC951
BA50BC0WFP-E2
IC952
BA33BC0WFP-E2
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