Sony CMT-NEZ7DAB / HCD-NEZ7 Service Manual ▷ View online
HCD-NEZ7
16
16
HCD-NEZ7
7-3. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
30
LCD DATA
67
STANDBY LED
29
IIC CLK
1
LCD CS
100
LCD RST
SIRCS
4
(AC IN)
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
T902
SYS +3.3V
LCD +3.3V
RECT
D911 – 914
D809
D898
D922, 923
D920, 936
AMP B+
TO
POWER AMP
AMP B–
+4V
REGULATOR
IC901
+7V
REGULATOR
Q320, 321
+10V
REGULATOR
IC900
D +4V
+4V
REGULATOR
IC903
RECT
D916, 917
RECT
D918, 919
RECT
D907 – 910
RDS +3.3V
VOLTAGE
DETECT
IC803
MAIN POWER
RELAY DRIVE
RELAY DRIVE
Q311, 315
+3.3V
REGULATOR
D305
D +3.3V
M +7V
M +10V
+9V
REGULATOR
IC902
A +9V
B+ SWITCH
Q300, 301
33
DAB POWER 3
34
DAB POWER 5
97
MAIN POWER
20
AC CUT
12
RESET
REMOTE CONTROL
RECEIVER
IC802
D804, 805
(LCD BACK LIGHT)
LED DRIVE
Q806
D806
LCD801
LIQUID
CRYSTAL
DISPLAY
80 VOLUME 1
79 VOLUME 2
59 CD OPEN
ROTARY
ENCODER
RV801
VOLUME
STANDBY
52
BACKLIGHT
LED DRIVE
Q808
S801 – 813
(FRONT PANEL KEYS)
S820
(CD LID OPEN/CLOSE DETECT)
KEY0,
KEY1
KEY1
90, 89
RESET
SWITCH
Q801
AC DETECT
Q807
RY901
CD +1.5V
+1.5V
REGULATOR
IC303
DAB +5V
+5V
REGULATOR
IC951
DAB +3.3V
+3.3V
REGULATOR
IC952
74 POWER KEY
B+ SWITCH
Q809, 811
LINE FILTER
LF901
C
POWER
B
DAB
SYSTEM CONTROLLER
IC801 (3/3)
(Page 15)
(Page 15)
HCD-NEZ7
17
17
HCD-NEZ7
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
C
B
These are omitted.
E
Q
•
Circuit Boards Location
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : TUNER
(
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : TUNER
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
{
} : REC
[
] : DAB
∗
: Impossible to measure
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: TUNER
J
: CD PLAY
E
: TAPE PLAY
j
: REC
L
: AUX IN
f
: DAB
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
HEAD PHONE board
PANEL board
CD board
MAIN board
TUNER UNIT
MODULE (DAB) TUNER
SELECTOR board
POWER board
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
HCD-NEZ7
18
18
HCD-NEZ7
7-4. PRINTED WIRING BOARD – CD Board –
•
See page 17 for Circuit Boards Location.
: Uses unleaded solder.
C10
C260
C14
C15
C16
C18
C11
R405
C316
R354
R353
R352
R351
R302
R253
C315
R191
R172
R171
R162
R313
X171
R121
R12
R11
R10
Q10
C116
C312
C184
C183
C303
C302
C305
C259
C258
C257
C255
C203
C196
C195
C201
C182
C171
C172
C308
C151
C134
C125
C123
R165
R13
C17
FB301
C318
R201
C174
R173
R205
C209
C210
C314
M102
S101
M101
IC251
IC101
CN101
CN201
R419
R412
R411
R410
R409
R408
R407
R406
R404
R403
R402
R401
R305
R303
R301
R252
R251
R182
R181
R163
R151
R143
R142
R141
R133
R132
R131
R114
R113
R112
R111
R307
C311
C310
C309
C307
C306
C252
C251
C194
C181
C320
C163
C162
C143
C142
C141
C133
C132
C131
C124
C111
C122
C115
C114
C113
C112
C185
C186
R306
IC303
C317
R203
R161
C161
C211
C212
R204
C213
IC301
C313
M
E
(COMPONENT SIDE)
CD BOARD
1-861-619-
21
(21)
30
31
60
120
91
1
61
90
(CONDUCTOR SIDE)
CD BOARD
1-861-619-
21
(21)
(SPINDLE)
M
(SLED)
1
3
5
4
1
16
17
32
64
49
48
33
(LIMIT)
1
27
A
MAIN
BOARD
CN317
TP
(RFACO)
OPTICAL
PICK-UP
BLOCK
(KSM-213EDP)
TP
(VC)
1
7
14
8
28
22
15
21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
E
F
G
H
I
R167
R166
(Page 20)
HCD-NEZ7
19
19
HCD-NEZ7
7-5. SCHEMATIC DIAGRAM – CD Board –
•
See page 33 for Waveforms.
•
See page 30 for IC Block Diagrams.
R406
R407
R408
R409
R411
R412
R410
C151
R203
C141
R143
R142
R141
C133
R133
R132
R131
C134
TP125
TP124
C125
R121
C15
C122
C123
C132
C142
R151
C111
C113
C112
C114
R111
TP429
TP428
TP430
TP431
C115
C195
TP432
IC101
C163
R163
C196
R162
C210
C194
R253
TP418
JPO004
C251
R252
R251
C16
R12
JPO10
R11
C17
C18
R10
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
C182
C201
C181
C258
C257
C252
C255
C260
R181
R182
C183
C184
C203
C162
C161
R161
R352
TP427
TP103
TP104
TP105
C209
TP436
TP420
TP421
C186
C185
R191
TP251
TP252
TP253
TP250
C306
R405
R404
R419
R403
R402
R401
R302
C317
R305
R301
C316
C315
R313
C307
C302
C303
C305
TP422
C312
C313
C314
C311
C309
C308
R303
C310
R353
R354
C11
C10
C14
C116
C318
R307
R351
TP433
TP187
TP401
TP409
TP411
TP410
TP434
TP419
TP412
TP413
TP414
TP415
TP416
TP417
TP408
TP407
TP406
TP405
TP404
TP403
TP402
TP186
R205
C213
C212
C211
TP435
CN101
TP423
IC301
R173
C143
C171
R171
R172
R165
TP425
TP426
S101
C259
IC251
M102
M101
R201
CN201
FB301
IC303
TP102
R306
R113
JPO102
JPO103
R13
TP424
R112
R114
TP177
C124
C172
C131
C174
X171
Q10
R166
R167
R204
C320
100
100
100
100
100
100
100
100
10V
10V
0
0.1
3.3k
1k
4.7k
0.01
180k
10k
1M
0.1
RFACI
RFACO
0.1
15k
0.1
0.1
0.1
0.47
1500p
0
3300p
3300p
470p
470p
1k
FFDR
FRDR
TRDR
TFDR
0.1
0.1
MDP
CXD3059AR
0.1
100
0.1
47k
0.1
0.1
10k
GAIN_SW
MDP
6800p
22k
10k
1
100k
APC
0
220
4V
1000p
3.3
E
D
A
B
C
PD
F+
F-
T-
F-
0.1
100
10V
10V
0.1
0.1
0.1
0.1
0.1
220
10V
10V
100
100
22
6.3V
22
6.3V
100
10V
10V
0.1
0.1
100
100
PCMDI
LRCK
PCMD
BCK
0.01
AVDD
AGND
DGND
470p
470p
0
SP+
SL+
SL-
SP-
0.1
100
100
100
100
100
100
10k
0.01
100k
100k
0.0022
0.1
220
0.1
0.1
0.1
220
4V
MP3GND
0.1
0.1
47
4V
4V
0.1
0.1
47
4V
4V
100k
0.1
100
100
10
10
0.1
100
10V
10V
0.01
10k
100
MP3VDD
MGND
MP3STB
DOUT
LOUT
ROUT
AVDD
XTCN
XRST
DATA
XLT
CLK
SENS
SCOR
MP3RST
MICS
MILP
MIDIO
MICK
MIACK
MP3REQ
MVDD
0
22p
22p
220p
DVDD
16P
IOP1
TC94A34FG-002
0
0.1
22p
470
1M
0
SW+
SW-
0.1
BA5947FM
27P
BH15FB1WG
F
0
1k
FEI
TEI
1
IOP2
15k
15k
VC
330p
27p
100p
0.1
16.9344MHz
2SA2119K
1k
100
0
1000p
E
F
F
E
D
A
B
C
MIACK
MICK
MIDIO
MILP
MICS
SCOR
SENS
CLOCK
DATA
XRST
XLT
CLOCK
SENS
SCOR
XRST
MP3REQ
DATA
MP3STB
XTACN
XTACN
MP3STB
D
C
B
A
MP3RST
XLT
MP3REQ
MIACK
MICK
MIDIO
MILP
MICS
MP3RST
MDP
SFDR
SFDR
SRDR
SRDR
FRDR
FRDR
FFDR
FFDR
TFDR
TFDR
TRDR
TRDR
F+
F+
T+
T+
T-
T-
F-
F-
MDP
DOUT
DOUT
AOUT1
AOUT2
AOUT1
AOUT2
VC
VCC
PD
LD
T-
F-
T+
F+
VR
AGND
F
C
B
A
E
D
OPIN-
OPIN+
SW
CH1FIN
CH1RIN
CH2FIN
CH2RIN
GND
CNF4
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH4OUTR
CH4OUTF
CH3OUTF
CH3OUTR
POWVCC
MUTE
GND
CH3RIN
CH3FIN
CH4IN
CH4CAPA
OUTVREF
OPOUT
PREVCC
MIRR
NC
DFCT
FOK
VSS
LOCK
MDP
SSTP
IOVSS1
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
IOVDD1
AVDD0
AVSS0
NC
E
F
TEI
TEO
FEI
FEO
VC
A
B
C
D
NC
AVDD4
RFDCO
PDSENS
AC_SUM
EG_IN
LD
PD
RFC
AVSS4
RFACO
RFACI
AVDD3
BIAS
ASYI
ASYO
NC
VPCO
VCTL
AVSS3
CLTV
FILO
FILI
PCO
AVDD5
DDVROUT
DDVRSEN
AVSS5
DDCR
NC
BCKI
LRCKI
LRCK
VSS
PCMD
BCK
VDD
EMPH
EMPHI
IOVDD2
DOUT
TEST
TEST1
IOVSS2
NC
XVSS
XTAO
XTAI
XVDD
AVDD1
AOUT1
VREFL
AVSS1
AVSS2
VREFR
AOUT2
AVDD2
NC
IOVDD0
RMUT
LMUT
NC
XTSL
IOVSS0
XTACN
SQSO
SQCK
SBSO
EXCK
XRST
SYSM
DATA
VSS
XLAT
CLOCK
VDD
SENS
SCLK
ATSK
WFCK
XUGF
XPCK
GFS
C2PO
SCOR
VDD
C4M
WDCK
COUT
PCMDI
VIN
GND
STBY
NC
VOUT
LOUT
AGND
ROUT
MP3RST
DOUT
MGND
MP3GND
MILP
MICS
MP3REQ
MIACK
MIDIO
MICK
MP3STB
MP3(3.3V)
DVDD(3.3V)
AVDD(3.3V)
MGND
DGND
XTCN
SCOR
SENS
XLT
DATA
XRST
CLK
M+7V
SBSY/BCKIB
SFSY/LRCKIB
TXO
VDD
CKI/CLOCK/
IRQ/FIO
VSS
PIO0/SDI2/IO0
PIO1/SDI3/IO1
PIO2/IO2
PIO3/IO3
PIO4/FI1/BUS0/IO4
PIO5/FI2/BUS1/IO5
PIO6/FI3/BUS2/IO7
PIO7/BUS3/IO7
AD4/PO04
AD3/PO03
AD2/PO02
AD1/PO01
AD0/PO00
VSS
VDD
CKO/PO13/AD16
VDDX
XO
XI
VSSX
TEST
MIMD
VSSP
VCOI
VDDP
RESET
STANBY
MICS
MILP
MIDIO
MICK
MIACK
VDDT
VSS
BCKO
LRCKO
SDO0
SDI0
BCKIA
LRCKIA
DATA
SDI1/
SDO2
CS/RAS/
AD15/CAS/
PO12
SDO3/OE
PO11/BUCK/AD14
PO10/CCE/AD13
PO9/AD12
PO08/AD11
SRMSTB
VDDT
AD10
AD9
AD8
PO07/AD7
PO06/AD6
AD5/
PO05
VDDM
WE/SDO1
AUTOMATIC
CD DSP
(LIMIT)
MOTOR/COIL
(SPINDLE)
(SLED)
+1.5V REGULATOR
MP3 DECODER
CONTROL
POWER
DRIVE
CH1OUTF
(Page 22)
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