Sony CMT-NEZ30 / HCD-NEZ30 Service Manual ▷ View online
HCD-NEZ30
17
17
HCD-NEZ30
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – CD SERVO Section –
OPTICAL
PICK-UP BLOCK
(KSM-213CDP)
CH2OUTF
CH2FIN
FOCUS/TRACKING COIL DRIVER,
SLED/SPINDLE MOTOR DRIVER
IC402
12
6
CH2OUTR
11
CH1OUTR
13
CH1OUTF
14
CH3OUTF
17
CH3OUTR
18
SL–
SL+
TRK–
TRK+
FCS–
FCS+
2-AXIS
DEVICE
PD
LD
B
A
D
C
F
E
M402
(SLED)
M
CH4OUTF
16
CH4OUTR
15
CH2RIN 7
CH1RIN 5
CH1FIN 4
CH3FIN 23
CH3RIN 22
OPIN+ 3
CH4IN 24
OPOUT 27
FFDR
45
PD
67
F
51
E
50
D
60
C
59
B
58
A
57
LD
66
FRDR
46
TRDR
44
TFDR
43
SFDR
41
SRDR
42
MDP
38
SP–
SP+
M401
(SPINDLE)
M
CD DSP
IC201
SYSTEM CONTROLLER
IC801 (1/2)
XTAI 109
XTAO 108
SSTP 39
X201
16.9344MHz
S201
(LIMIT)
D +3.3V
CD
RFACO
AOUT1 112
AOUT2 117
70
RFACI
71
XRST
8
MUTE
20
XTACN 7
SSTB-MP3 85
ACK-MP3 15
I-MP3-ACK
50
A
AUTOMATIC
POWER CONTROL
Q321
O-MP3-SSTB
11
O-CD-XTACN
34
O-CD-XRST
3
O-MP3-SSTB
11
IREQ-MP3 10
REQ-MP3 14
XLAT-MP3 13
CLK2 90
O-MP3-CLK
6
O-MP3-XLAT
10
O-MP3-REQ
12
I-MP3-REQ
49
DATA2 12
SCOR 26
I-CD-SCOR
43
O-MP3-DATA
5
I-MP3-DATA
7
SENS 20
XLAT 16
CLOK 11
DATA 89
O-CD-DATA
31
O-CD-CLK
30
O-CD-XLAT
8
I-CD-SENS
29
R-CH
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
(Page 18)
HCD-NEZ30
18
18
HCD-NEZ30
7-2. BLOCK DIAGRAM – MAIN Section –
AC
DETECT
Q333, 338
R-CH
+
18
INPUT SELECT,
ELECTRICAL VOLUME
IC302
19
28
RECO-L
18
OUT-L
13
CONT
21 CD-L
23 ST-L
2 TC-L
19 AUX-L
REC/PB
SWITCH
Q326 – 329,
Q332, 334, 335
R-CH
CD
A
• SIGNAL PATH
: CD PLAY
: TAPE PLAY
: REC
• R-ch is omitted due to same as L-ch.
: TUNER
J321
AUDIO IN
: AUX IN
J500
PHONES
SPEAKER
+
–
–
–
+
R
L
J302
TUNER (FM/AM)
L-OUT
R-OUT
CE
CE
R-CH
ST (TUNED)
TUNED
DI
DO
DO
DI
CLK
CLK
CE
TUNED
DO
DI
CLK
BIAS OSC
T301
REC BIAS
SWITCH
Q347, 348
M +10V
BIAS OSC
Q344
ERASE
HRPE301
(REC/PB/ERASE)
TAPE MECHANISM
DECK BLOCK
L-CH
R-CH
R-CH
DC
DETECT
Q342, 343
DC
DETECT
Q318 – 320
+
POWER
AMP
IC501
33
I-TU-DO
56
O-TU-CLK
55
O-TU-CE
24
I-TU-SD (TUNED)
57
O-TU-DI
O-TC-REC/PLAY
O-TC-BIAS
36
I-P-MONI
4
O-FUNCTION
IC-DATA
2
STK-ON
CAPSTAN/REEL
MOTOR DRIVE
Q804, 805
PLUNGER
DRIVE
Q802, 803
M M
(CAPSTAN/REEL)
(DECK-A)
SOL
10V
MOTOR
10V
PACK
REC
END SW
I-TC-END SW
38
21
I-TC-REC/PLAY SW
22 O-TC-SOL
23 O-TC-MOTOR
I-RMC (SIRCS)
9
SYSTEM CONTROLLER
IC801 (2/2)
D307
D320
(AC IN)
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
T902
SYS +3.3V
RECT
D911 – 914
D809
D303, 304
D922, 923
D920, 936
AMP B+
TO
POWER AMP
AMP B–
+3.3V
REGULATOR
IC901
+9V
REGULATOR
IC303
+10V
REGULATOR
IC900
D +3.3V
+4V
REGULATOR
IC903
RECT
D916, 917
RECT
D918, 919
RECT
D907 – 910
AM
ANTENNA
FM ANT
AM ANT
ANT GND
ANT GND
FM 75
Ω
COAXIAL
VOLTAGE
DETECT
IC803
MAIN POWER
RELAY DRIVE
RELAY DRIVE
Q315
D +3.3V
A +9V
M +10V
M +7V
46
O-POWER
42
I-AC-CUT
54
RESET
REMOTE CONTROL
RECEIVER
IC802
LED DRIVE
Q808
D804, 805
(LCD BACK LIGHT)
O-LED-STBY
17
BACK LIGHT
25
D806
X801
32.768kHz
14
13
X1A
X0A
93
92
X802
4.19MHz
XO
XI
LCD801
LIQUID
CRYSTAL
DISPLAY
48 I-RE-VOL
28 I-SW_CD-LID
ROTARY
ENCODER
RV801
VOLUME
STANDBY
S801 – 805,
S808 – 813
(FRONT PANEL KEYS)
S820
(CD LID OPEN/CLOSE DETECT)
I-KEY0/WAKE-UP,
I-KEY_1
I-KEY_1
41, 37
COM0 – COM1
59 – 62
SEG0 – SEG32
63, 64, 67 – 89, 94 – 100, 1
RESET
SWITCH
Q801
AC DETECT
Q807
RY901
CD +1.8V
+1.8V
REGULATOR
IC202
(EXCEPT E, E51)
(EXCEPT E, E51)
(E, E51)
VOLTAGE
SELECTOR
S901
• Abbreviation
E51 : Chilean and Peruvian models
(Page 17)
Ver. 1.1
HCD-NEZ30
19
19
HCD-NEZ30
•
Circuit Boards Location
HEAD PHONE board
PANEL board
CD board
SHIELD board
MAIN board
TUNER UNIT
DC board
CONNECT board
AC board
(EXCEPT UK, East European)
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
C
B
These are omitted.
E
Q
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.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : TUNER
(
under no-signal conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : TUNER
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
{
} : REC
•
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
f
: AUX IN
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
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
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ver. 1.5
•
Abbreviation
AR
AR
: Argentina model
CND : Canadian model
E51
E51
: Chilean and Peruvian models
EE
: East European model
MX
: Mexican model
HCD-NEZ30
20
20
HCD-NEZ30
7-3. PRINTED WIRING BOARD – CD Board –
R256
C257
R260
C206
C205
C322
R323
R322
R321
R324
C223
C321
C268
C267
R271
R203
C226
R201
C227
C110
C108
C102
C203
C204
C101
IC202
C274
C202
R207
C215
R202
C201
R423
R421
C424
C276
C210
Q321
C207
C266
X201
C275
C323
C277
C406
R401
C401
C219
R276
C271
C272
C104
C105
C107
C109
C232
C220
M401
(SPINDLE)
(SPINDLE)
M402
(SLED)
(SLED)
S201
R257
C258
C260
C261
R258
C304
C208
R101
R265
R266
R267
C264
C265
R278
C111
C214
R270
C221
C292
C291
R292
R291
IC201
C217
C218
C224
R451
R102
R103
R104
R105
R107
R108
R109
R110
R111
C451
IC402
C256
C251
C252
C254
C253
R254
R255
R252
R253
CN301
C213
C222
C405
R113
C404
R452
C112
R275
R277
C103
R112
C301
C303
C273
R268
C113
CN102
C230
R250
R280
3
1
2
E
CD BOARD
(COMPONENT SIDE)
1-868-067-
11
(11)
CD BOARD
(CONDUCTOR SIDE)
1-868-067-
11
(11)
M
M
(LIMIT)
1
7
8
14
28
22
21
15
1
30
90
61
60
31
91
120
A
MAIN
BOARD
CN317
OPTICAL PICK-UP BLOCK
KSM-213CDP
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
TP
(RFACI)
TP
(VC)
: Uses unleaded solder.
(Page
22)
•
See page 19 for Circuit Boards Location.
Ver. 1.5
Refer to SUPPLEMENT-1 for the CD board of printed wiring board of UK and
East European models.
When repairing the set of except UK and East European models, refer to either
of original service manual/SUPPLEMENT-1 according to the set.
East European models.
When repairing the set of except UK and East European models, refer to either
of original service manual/SUPPLEMENT-1 according to the set.
Click on the first or last page to see other CMT-NEZ30 / HCD-NEZ30 service manuals if exist.