Sony CMT-CPX1 / HCD-CPX1 Service Manual ▷ View online
HCD-CPX1
21
21
6-3.
BLOCK DIAGRAM – MAIN Section –
RIPPLE FILTER
Q180, 181
HEADPHONE
MUTING
Q182
: TAPE PLAY
: REC
: CD PLAY
: TUNER (FM/AM)
87
88
86
50
HP DET
B
TUNER
L-CH
L-CH
(Page 20)
C
PB
L-CH
L-CH
(Page 20)
A
CD
L-CH
L-CH
(Page 19)
D
REC
L-CH
L-CH
(Page 20)
MUTING
Q101
J701
L
R
SPEAKER
IMPEDANCE
USE 4Ω
R-CH
R-CH
J801
HEADPHONE AMP
IC102
R-CH
R-CH
PHONES
R-CH
J101
L
R
MD (VIDEO)
IN
EQ DATA
EQ CLK
EQ CE
73
81
LINE MUTE
MUTING
CONTROL SWITCH
Q121, 122
R-CH
TUNER +9V,
TC A+9V
TC A+9V
85
HP MUTE
MUTING
CONTROL SWITCH
Q184, 185
SIGNAL PATH
: MD (VIDEO) IN
R-CH : R-ch is omitted due to same as L-ch.
R-CH
P DOWN
X601
12.288MHz
18 DATA
17 BCK
16 LRCK
17 BCK
16 LRCK
2
OUTL1
4
OUTL2
41
OUTR1
39
OUTR2
21
XFSIIN
DIGITAL AUDIO
SIGNAL PROCESSOR
IC600
1 LIN
2 RIN
12
DOUT
11
BCK
10
LRCK
7
PDWN
15
SCKI
45
SC DT
11
SCDT
46
SC SHIFT
12
SCSHIFT
47
SC LATCH
13
SCLATCH
48
NSP MUTE
14
NSPMUTE
49
INIT
15
INIT
A/D CONVERTER
IC603
CLOCK
BUFFER
IC604
INPUT SELECT SWITCH,
ELECTRICAL VOLUME,
TONE CONTROL
IC101
INPUT
SELECT
SWITCH
CD LCH
TC LCH
MD LCH
TUNER LCH
11
12
14
13
LCH
IN
IN
LCH
SELO
LCH
OUT
30
1
EQ DATA
EQ CLK
2
EQ CE
CPU
INTERFACE
9
10
5
VOLUME
CONTROL
TONE
CONTROL
X602
49.152MHz
36
XFSOIN
6 INA
16 INB
9
OUTA
19
OUTB
POWER AMP
IC650
CLOCK
BUFFER
IC610
R-CH
R-CH
R-CH
55
ENA
7
ENA
17
ENB
61
DIAG
8
DIAGA
18
DIAGB
PROTECT
SWITCH
Q696
PROTECT
DETECT
Q691, 692
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC401 (3/4)
HCD-CPX1
22
22
6-4.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
20 – 27,
30 – 41, 44 – 55
SEG0 – SEG31
COM0 – COM3
13, 16 – 18
97, 95, 94
KEY1 – KEY3
LED DRIVE
Q801
D801
(STANDBY)
44
LED DRIVE
Q805
TAPE
nN
D805
LED TC 89
LED DRIVE
Q804
TUNER
BAND
D804
LED TUNER 84
LED DRIVE
Q803
CD
NX
D803
LED CD 79
12
RESET
RESET SIGNAL
GENERATOR
IC501
D501
82
PWR RELAY
RECT
D992 – 995
LED STANDBY
LED DRIVE
Q802
DSG
D802
83
LED DSG
51
LED BL
T991
SUB POWER
TRANSFORMER
RY991
(AC IN)
S801 – 817
10
11
X402
32.768kHz
15
13
X401
16MHz
XCIN
XCOUT
XIN
XOUT
POWER ON/OFF
RELAY DRIVE
Q991
20
AC CUT
RESET
SWITCH
Q501
+28V
TUNER +9V,
TC A+9V
A+5V,
D+5V
M+7V
SWITCHING
REGULATOR
+9V
REGULATOR
IC304
D+6.2V
+7V
REGULATOR
IC303
+1.8V
µ
-COM+3.3V
LCD+3.3V
+1.8V
REGULATOR
IC618
RDS+3.3V
+4V
REGULATOR
IC991
A+3.3V,
D+3.3V
+5V
REGULATOR
IC302
+4V
REGULATOR
IC301
D304
D302
D303
D301
D403
D401
D402
D404
B+ SWITCH
Q433, 434
65
CD BD-PWR
1
LCD ON
B+ SWITCH
Q431, 432
D806 – 808
(LCD BACK LIGHT)
CD ON
SWITCH
Q301, 302
EVER
+3.3V
53 VOL A
74 KEY WAKE UP
52 VOL B
ROTARY
ENCODER
RV801
VOLUME
76 TRE A
77 TRE B
ROTARY
ENCODER
RV802
TREBLE
71 BASS A
72 BASS B
ROTARY
ENCODER
RV803
BASS
D474, 475
KEY1,
KEY3
4 SIRCS IN/WAKE
5 LCD DATA
7 LCD CLK
6 LCD CS
REMOTE CONTROL
RECEIVER
IC801
10
9
11
LIQUID CRYSTAL
DISPLAY
LCD801
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC803
SD
SCK
CS
3 LCD CD
100 LCD RESET
12
19
C/D
RESET
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC401 (4/4)
TC M+11.5V
HCD-CPX1
23
23
6-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
no mark : TUNER (FM/AM)
(
) : CD PLAY
[
] : TAPE PLAY
〈〈
〉〉
: REC
∗
: 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.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL OUT)
E
: TAPE PLAY
a
: REC
j
: MD (VIDEO) IN
• Circuit Boards Location
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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.
• Indication of transistor.
AMP board
LCD board
BACK LIGHT board
SWITCH board
HP board
MAIN board
TUNER UNIT
SUB POWER board
SP OUT board
SWITCHING REGULATOR
TC board
LOADING board
BD board
HCD-CPX1
24
24
6-6.
PRINTED WIRING BOARD – BD Board –
•
See page 23 for Circuit Boards Location.
JW600
JW601
JW605
JW606
JW607
JW608
JW610
JW620
JW622
JW609
JW611
JW614
JW639
JW645
JW644
JW627
JW647
JW615
JW616
JW643
JW635
JW636
JW628
JW631
JW630
JW602
JW603
JW604
JW634
JW641
JW629
JW626
JW617
JW640
JW637
JW633
JW632
JW638
JW612
JW613
JW618
JW621
JW623
JW624
JW625
JW619
JW648
JW646
C122
X101
CN102
S101
C163
C191
C198
C131
C117
C116
C192
C127
C162
C193
CN101
R151
R122
R103
C168
R131
R114
C123
R173
R162
R117
R197
R111
R172
C121
C103
C159
C172
R101
C143
R118
C133
R147
R108
FB103
R107
R144
C145
C140
R106
C124
R191
C109
C104
R183
R102
C194
C184
C112
R182
C111
R124
R181
R150
R194
IC103
C185
R159
R143
C167
C118
C182
C197
R193
C183
C125
C165
C130
R158
R171
R109
R196
FB101
RN101
C102
C108
R195
R148
C171
IC102
C150
R104
C181
C153
C101
R116
Q101
R123
C126
R120
JR101
C110
C196
R119
C114
R192
IC101
C146
1
20
21
61
60
80
40
41
BD BOARD
1-686-781-
11
(11)
A
MAIN
BOARD
CN202
M
M102
(SLED)
M
M101
(SPINDLE)
S101
(LIMIT)
ON : WHEN THE OPTICAL PICK-UP
IS INNER POSITION
IS INNER POSITION
28
22
21
15
1
7
8
14
OPTICAL
PICK-UP
BLOCK
(KSM-213DCP)
TP
(VC)
TP
(RFAC)
E
(Page 29)
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