Sony CMT-CPX22 / HCD-CPX22 / HCD-NXM3 / MHC-NXM3 Service Manual ▷ View online
HCD-CPX22/NXM3
21
21
HCD-CPX22/NXM3
• WAVEFORMS
– MAIN BOARD –
IC401 0 XC-IN
VOL/DIV : 0.5 V AC
TIME/DIV : 2.0
TIME/DIV : 2.0
µ
sec
2
IC401 qg X-IN
VOL/DIV : 0.5 V AC
TIME/DIV : 50 nsec
TIME/DIV : 50 nsec
2
IC703 6
VOL/DIV : 1 V AC
TIME/DIV : 50 nsec
TIME/DIV : 50 nsec
1
1.5Vp-p
32.768KHz
1.5Vp-p
16MHz
2Vp-p
12.288 MHz
– BD BOARD –
IC101 wa TEI
VOL/DIV : 0.2 V AC
TIME/DIV : 0.2 msec
TIME/DIV : 0.2 msec
2
IC101 wd FEI
VOL/DIV : 0.1 V AC
TIME/DIV : 1 msec
TIME/DIV : 1 msec
3
IC101 ra RFACO
VOL/DIV : 0.2 V AC
TIME/DIV : 0.5
TIME/DIV : 0.5
µ
sec
1
49.152MHz
4Vp-p
– S-MASTER BOARD –
IC705 rk XFSOIN
VOL/DIV : 2 V AC
TIME/DIV : 20 nsec
TIME/DIV : 20 nsec
1
0.15Vp-p
0.4Vp-p
0.96Vp-p
SECTION 7
DIAGRAMS
For schematic diagrams.
Note:
• All capacitors are in
Note:
• All capacitors are in
µF 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.
•
%
: indicates tolerance.
•
f
: internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark: TUNER (FM/AM)
( ) : CD PLAY
<
no mark: TUNER (FM/AM)
( ) : CD PLAY
<
>: TAPE PLAY
[
]: TAPE 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.
•
Signal path.
F
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: RECORD
J
: CD PLAY (ANALOG OUT)
c
: CD PLAY (DIGITAL OUT)
• Abbreviation
E3
: 240V AC Area in E model
E51
: Chilean and Peruvian model
EA
: Saudi Arabia mdoel
RU
: Russian model
Note: The components identified by mark 0 or dotted line
with mark ! are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
(The other layers' patterns are not indicated.)
• Indication of transistor.
• Abbreviation
E3
: 240V AC Area in E model
E51
: Chilean and Peruvian model
EA
: Saudi Arabia mdoel
RU
: Russian model
Caution:
Parts face side:
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Printed Wiring Boards:
Note:
• X : parts extracted from the component side.
•
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
7-1. CIRCUIT BOARD LOCATION
MAIN board
PANEL board
DISC SW board
VOL board
HP board
S-MASTER board
switching regulator
SW(2) board
SW(1) board
MOTOR board
SENSOR board
ENCODER board
BD board
RELAY board
SP OUT board
HCD-CPX22/NXM3
22
22
HCD-CPX22/NXM3
7-2. BLOCK DIAGRAM – CD SERVO SECTION –
OPTICAL PICK-UP
BLOCK
(KSM-215DCP)
LD
DRIVER
+1.7V
+3.3V
LD
GND
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
X171
16.9MHz
IC251
SL/SP MOTOR
DRIVER
RF AMP
16
7
15
17
18
VR
PD
19
20
21
22
5
30
3
24
MUTE
CH2OUT-F
CH1FIN
CH1RIN
CH2FIN
CH3FIN
OPIN+
CH2OUT-R
CH1OUT-R
CH1OUT-F
CH4OUT-R
CH4OUT-F
CH3OUT-F
CH3OUT-R
M
M
M101
(SPINDLE)
M102
(SLED)
VC
VCC
A
B
C
D
E
F
DETECTOR
A
B
E
19
F
20
LD
36
PD
37
TFDR
11
FFDR
13
SFDR
9
MPD
6
95
XTACN
100
XRST
102
DATA
104
XLAT
105
CLOCK
AOUT2
AOUT1
DOUT
61
PCMDI
62
LRCKI
63
LRCK
65
PCMD
IC301
DIGITAL
SIGNAL PROCESSOR
21
40
SDO0
11
LRCKIA
16
SFSY/LRCKIB
19
SDIO
14
77 XTAO
78 XTAI
55
VDD
VDD
VDDM
26
27
C
28
D
29
107
SENS
XTACN
XRST
DATA
XLT
CLOCK
SENS
TRDR
12
29
CH3RIN
SRDR
CH2RIN
FRDR
66
BCK
60
BCKI
BCKIA
15
SBSY/BCKIB
18
6
+3.3V
8
5
1
3
STANBY
36
PO11/BUCK/AD1
8
MIACK
7
MICK
6
MIDIO
4
MICS
5
MILP
2
RESET
115
SCOR
SCOR
REG
MP3STB
MP3REQ
MIACK
MIACK
MICK
MIDIO
MILP
MICS
MP3RST
SCOR
SENS
CLOCK
XLT
DATA
XRST
XTACN
SCOR
SENS
CLOCK
XLT
DATA
XRST
XTACN
DOUT
ROUT
LOUT
A
MAIN
SECTION
(Page 24)
B
TUNER/TAPE DECK
SECTION
(Page 23)
IC751
(DISC SENSOR)
Q751
ROTARY
ENCODER
(MD)
ROTARY
ENCODER
(ST U/D)
IC701
LD/ST MOTOR DRIVER
IC711
U/DOTOR DRIVER
4
2
9
7
RIN
FIN
OUT1
OUT2
4
2
9
7
RIN
FIN
OUT1
OUT2
D
MAIN
SECTION
(Page 24)
M761
(LD/ST)
M762
(U/D)
S781
(SUB TRAY OUT)
(SUB TRAY OUT)
OPEN
MAIN TRAY
OPEN/IN
CLOSE
S731
S761
S721
SENSE
SWITCH
S771
M
M
D+3.3V
LD/ST MTR NEG
LD/ST MTR POS
BU U/D MTR NEG
BU U/D MTR POS
BU U/D MTR POS
CN701
SW3 SUB TRAY OUT
SW2 SUB TRAY OUT
SW4SUB TRAY OUT
SW1 SUB TRAY OUT
MD-E4
MD-E3
MD-E2
MD-E1
ST-E4
ST-E3
ST-E2
ST-E1
D.SEMSOR
CN201
86
81
71
10
14
XRST
100
113
GFS
2
FOK
1
3
114
C2P0
IC303
Q10
IC101
• Signal path
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL)
HCD-CPX22/NXM3
23
23
HCD-CPX22/NXM3
7-3. BLOCK DIAGRAM – TUNER/TAPE DECK SECTION –
TUNER
AEP, UK
AEP, UK
R-CH
Q25,26
Q270
Q270
R-CH
L OUT
R OUT
CD SERVO
SECTION
(Page 22)
D OUT
RDS INT
RDS DATA
L OUT
R OUT
ST-MUTE
TUNER
ST-CE
ST D OUT
ST D IN
ST CLK
STEREO
DECK-A
DECK-B
L
R
HP2
HP1
L
R
HE
HRP2
HRP1
TAPE
F REC
B SHUT
A HALF
A PLAY
B PLAY
A HALF
A PLAY
B PLAY
R-REC
B HALF
A SHUT
CAPM+
A TRIG+
B TRIG+
R-CH
R-CH
Q303
Q314,315
Q314,315
Q301,302
Q311-313
Q311-313
Q104
Q31,22
Q31,22
R-CH
L
R
VIDEO(MD)
MECHANISM DECK
64
61
66
27
18
49
CN371
IC301
18
50
51
52
53
54
55
54
55
63
5
10
3
11
17
18
19
26
15
16
25
3
4
7
8
9
9
22
21
REC/PB
SWITCH
MUTE
SWITCH
DIGITAL
OUT
REC/PB
SWITCH
BIAS
OSC
Q318
T301
Q316,317
BIAS
REC/PB
BIAS
SWITCH
TC REC
MUTE
12
CAP M
DRIVE
Q326,327
Q323,324
Q321,322
A TRIG
DRIVE
90
91
86
89
87
88
67
4
68
26
69
25
65
93
97
100
92
LINE MUTE
A MUTE
RDS-DATA
RDS-INT
RDS-INT
ST-MUTE
TUNED
TUNED
ST-CE
ST-DIN
ST-CLK
B HALF
MAIN TRANS-OUT
STBY RELAY
CLK
DATA
INT
I/O EXP CLK
M16537 CLK
M16537 DATA
SPEC-IN
VACS IN
AMS IN
I/O EXP LAT
I/O EXP DATYA IN
I/O EXP DATA OUT
LATCH
ADC-POWR
S-MASTER
ENABLE
SC SHUT
SCDT
INTI
SCLATCH
P-DOWN
CLK
DATA
D182
/RST
A SHUT
A TRIG
B TRIG
CAPM-CNT1
TC REC MUTE
B SHUT
ON/OFF
(SWITCHING REGULATOR)
(SWITCHING REGULATOR)
D+3.3V
ST-DOUT
80
81
61
60
59
60
59
58
57
56
13
14
19
8
7
6
20
21
22
23
18
17
9
L-CH
R-CH
R-CH
Q21,22
Q1
Q1
Q27,28
Q71
Q71
J1063
PHONES
P-DOWN
FR-OUT
FL-OUT
/RST
INIT
SCLATCH
SCSHIFT
SCDT
PGMUTE
SOFTMUTE
NSPMUTE
OVF
/OTW
SD
63
62
71
70
68
67
66
65
7
8
11
53
51
50
48
34
35
R-CH
Q341-343
Q103
Q29,30
Q29,30
Q140
Q33,34
Q33,34
SELECTOR
R-CH
AMS
DPL-2
42
41
37
3
1
8
S2
FL
CLK
DATA
CLK
DATA
EQ
MD BUS
TONE
TRE
AMS
MUTE
AMS
BUFFER
PB MUTE
LED
SWITCH
LED
SWITCH
AMS-MUTE
STEREO
Q1026
D1021
D1001-1005
Q1001-1005
B PLAY
A PLAY
A HALF
CLK
LED 9V
VCC
LATCH
DI 1
DO 2
DO 2
MUTE
IC971
I/O EXPANDER
IC951
I/O EXPANDER
IC401 (1/2)
SYSTEM CONTROL
IC101
INPUT SELECT SWITCH
ELECTRICAL VOLUME
IC3
BUFFER
REC/PB
BIAS
SD
SD
/OTW
OVF
/OTW
OVF
OVER TEMP
PROTECT HP IN
HALF PLAY
AMS MUTE
DISC1
DISC2
DISC3
DISC4
DISC5
LATCH
CLK
DI 1
DO 2
CLK
LATCH
NSP
SOFT HP
PG
TA MUTE
HP MUTE
DATA 1
DATA 2
LATCH
CLK
DATA1
DATA 2
DATA 2
CLK
LATCH
LATCH
NSP MUTE
SOFT MUTE
PG MUTE
PG MUTE
DATA 1
DATA 2
OVER FLOW
MUTE
SWITCH
Q8
AUDIO +9V
HP MUTE
SWITCH
B TRIG
DRIVE
SURR
3
IC903
REG
1
3
IC901
REG
1
3
IC902
REG
1
3
Q906
UNREG+5V
SWITCHING
REGULATOR
UNREG+12V
D+3.3V
CD+3.3V
AUDIO+9V
M+9V
LED9V
REG
1
MCU
I/F
B
C
S-MASTER
SECTION
(Page 25)
REG
• R-ch is omitted due to same as L-ch.
• Signal path
• Signal path
K : TUNER (FM/AM)
E
E
: PLAYBACK (DECK A)
d
: PLAYBACK (DECK B)
G
: RECORD
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL)
HCD-CPX22/NXM3
24
24
HCD-CPX22/NXM3
7-4. BLOCK DIAGRAM – MAIN SECTION –
28
MP3STB
CN371
IC401 (2/2)
SYSTEM CONTROL
IC1020
DISPLAY CONTROL/KEY CONTROL
MP3REQ
MIACK
MICK
MID10
MILP
MICS
HP3RST
CD SERVO
SECTION
(Page 22)
SCOR
SENS
CLOCK
XLT
DATA
XRST
XTACN
MP3STB
MP3REQ
MP3 ACK
MP3 ACK
MP3 CK
MP3 DATA OUT
MP3 LP
MP3 CS
MP3 CS
RESET
SCOR
SENS
FL-DATA
FL-CLK
FL-CS
FL-RESET
CD-CLK
XLT
CD-DATA
CD-DATA
XRST
XTCN
XTCN
SIRCD
AD-KEY2
AD-KEY1
JOG2-A
JOG1-A
VOL-A
POWER KEY
DISPLAY KEY
XC-IN
X-OUT
XC-OUT
X-IN
31
3
7
7
5
2
2
1
32
19
21
19
21
23
24
24
22
25
26
26
CN372
85
84
83
83
33
LD-ST MTR POS
BU U/D MTR NEG
BU U/D MTR POS
BU U/D MTR NEG
BU U/D MTR POS
SW3 SUB TRAY OUT
SW3 SUB TRAY IN
SW4 TRAY CLOSE SW
SW1 TRAY OPEN SW
ST-E1
ST-E2
ST-E3
ST-E4
MD-E1
MD-E1
MD-E2
MD-E3
MD-E3
MD-E4
D,SENSER
D,SENSER
EVER+4V
EVER+4V
47
34
46
34
46
35
45
45
CDN-MOT-NEG-1(LD)
CDN-MOT-POS-1(LD)
CDN-MOT-NEG-2(U/D)
CDN-MOT-POS-2(U/D)
CDN-MAIN-SW-OPEN(SW2)
CDN-MAIN-SW-CLOSE(SW4)
CDN-SUB-SW-OPEN(SW2)
CDN-SUB-SW-CLOSE(SW3)
CDN-ENC-B-3(MDM4)
CDN-ENC-B-2(MDM3)
CDN-ENC-B-1(MDM2)
CDN-ENC-B-0(MDM1)
CDN-ENC-A-3(STE4)
CDN-ENC-A-2(STE3)
CDN-ENC-A-1(STE2)
CDN-ENC-A-0(STE1)
DISC SENS
LED-STANDBY
RESET
AC-CUT
48
LD/ST MTR NEG
36
44
43
38
38
42
39
39
37
41
40
75
75
72
12
20
OUT
SIRCS
IC1050
4
1
KEY2-1
KEY2-2
S1043
S1001-1005
S1051
KEY
NETWORK
94
ROTARY
ENCODER
ROTARY
ENCODER
ROTARY
ENCODER
TREBLE
78
JOG2-B
79
S1050
76
JOG1-B
77
S1052
S1042
70
VOL-B
71
74
95
BASS
BASS
X401
36.768kHz
X402
16MHz
VOLUME
S1021-1027,1029-1031
S1032-1036
S1032-1036
REMOTE
CONTROL
RECEIVER
KEY
NETWORK
S1028
73
DISPLAY
10
11
13
15
8
7
6
6
82
5
51
I
15
3
•
2
•
1
•
64
I
57
56
•
55
4
54
LED
SWITCH
Q1041
D1050
IC391
RESET
Q391
3
1
LEVEL
DETECT
GREID
DRIVE
DRIVE
Q1021
GRID
DRIVE
Q1022
55
GRID
DRIVE
Q1023
SDATA
SCK
CS
RESET
SEG00
I
SEG35
DEG01
FL1020
FLUORESCENT
INDICATOR
TUBE
F1
F2
DEG11
DEG12/SEG36
DEG13/SEG37
DG00
DIG14SEG38
VF1
VP
D/D CON+9V
Q1024
T801
D1023-1026
VF2
VP
RECT
BIAS
OSC
A
D
CD SERVO
SECTION
(Page 22)
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