Sony CMT-CPX1 / HCD-CPX1 (serv.man2) Service Manual ▷ View online
HCD-CPX1
21
21
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD SERVO Section –
SQSO
SQCK
A/D
CONVERTER
6
7
8
9
16
18
11
10
12
2
1
51
49
48
43
24
41
40
39
64 15
28
29
30
31
32
33
23
24
22
6
7
4
5
17
18
16
15
A+3.3V
DETECTOR
A
B
C
D
RFAC
SUMMING
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RFAC
FE
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
TE
E
F
F I-V AMP
E I-V AMP
AUTOMATIC
POWER
CONTROL
Q101
APC LD
AMP
LD
LD
PD
LASER DIODE
RFAC
ASYO
ASYI
ASYMMETRY
CORRECTION
CORRECTION
DIGITAL
PLL
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
DATA
XLAT
CLOK
14
5
6
MDP
26
7
8
XLON
3
XRST
DIGITAL
CLV
D/A
INTERFACE
SE
TE
FE
RFDC
FOCUS/TRACKING/SLED
SERVO DSP
FOCUS/TRACKING/SLED
PWM GENERATOR
SFDR
20
MUTE
SRDR
TFDR
TRDR
FFDR
FRDR
EMPH
WFCK
GFS
MIRR/DFCT/
FOK
DETECTOR
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
CPU INTERFACE
18
63
62
61
19
19
SENS
20
36
37
35
56 19
SCOR
CD SQSO
CD SQCLK
CD XLT
CD CLK
CD DATA
CD SENS
CD SCOR
1 2
32 33
SCLK
COUT
9 21
SSTP
27
FOK
22
23
MIRR
DFCT
TO SERVO INTERFACE
M101
(SPINDLE)
MOTOR
DRIVE
MOTOR
DRIVE
M
M
M102
(SLED)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
SW
PD
11
12
13
14
54
56 53
55
FILTER
FILO
PCO
CLTV
FILI
EFM
DEMODULATOR
SERIAL
IN
INTERFACE
DIGITAL
FILTER,
NOISE SHAPER
PWM
&
INTEGRATOR
BUFFER
CLOCK
GENERATOR
TIMING
LOGIC
DIGITAL
OUT
INTERNAL BUS
16K
RAM
ERROR
CORRECTOR
SUBCODE
PROCESSOR
60
60
CD XRST
AIN1
AIN2
AOUT1
AOUT2
TO MIRR/DFCT/
FOK DETECTOR
FOK DETECTOR
PCMD
BCK
LRCK
C2PO
C2PO
DOUT
70
77
LOUT1
LOUT2
R-CH
72
75
71
76
A
(Page 23)
EQ
IN
IN
15
3
4
EQ
AC
SUM
17
FEI
RFDC
AMP
28
RFDCO
29
RFDCI
19
TE BAL
COIL
DRIVE
COIL
DRIVE
24
26
28
CD PWM3
CD PWM2
CD PWM1
PWM1
PWM3
PWM2
PWM3
PWM2
PWM1
XLAT
CLOK
DATA
54 CD LD-ON
78
CD MUTE
CDM IN-SW 70
CDM OUT-SW 69
IN
OUT
S1
LOADING IN/OUT
DETECT
CDM LOAD-IN 68
CDM LOAD-OUT 67
9
7
RIN
FIN
MOTOR
DRIVE
4
2
OUT1
OUT2
LOADING MOTOR
DRIVER
IC201
M201
(LOADING)
M
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC401 (1/4)
• SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
• R-ch is omitted due to same as L-ch.
OPTICAL
TRANSCEIVER
IC202
CD DIGITAL OUT
OPTICAL
CD
L-CH
RFAC
VCA
When the optical
pick-up is inner
position
pick-up is inner
position
ON :
MUTING
Q201
MUTING CONTROL
SWITCH
Q203, 204
R-CH
67
66
XTAO
XTAI
X101
16.9344MHz
A+3.3V
S101
(LIMIT)
D+3.3V
HCD-CPX1
22
22
6-2.
BLOCK DIAGRAM – TUNER/TAPE DECK Section –
REC BIAS
(R)
RV603
REC BIAS
(L)
RV653
R-CH
8
7
9
4
FM 75Ω
COAXIAL
FM ANT
ANT GND
AM ANT
ANT GND
ST DIN
ST CLK
ST CE
ST MUTE
TUNED
STEREO
L-CH
R-CH
ST DOUT
TUNER UNIT
AM
R-CH
25
ST DATA IN
23
ST DATA OUT
27
ST CLK
22
ST CE
21
ST MUTE
DI
DO
CLK
CE
MUTING
57
ST TUNED
34
ST STEREO
TUNED
STEREO
L-CH
R-CH
ERASE
R-CH
HRPE901
(REC/PB/ERASE)
REC/PB SWITCHING
IC602
R-CH
BIAS OSC
T601
BIAS
TRAP
REC BIAS
SWITCH
Q639 – 641
A+9V
BIAS OSC
Q642, 643
39
37
AIN (R)
BIN (R)
15
14
3
4
EQOUT (R)
5
PB OUT (R)
TAI (R) MUTE
REC/PB EQ AMP, ALC
IC601
8
REC-
OUT (R)
OUT (R)
REC-IN (R)
ALC (R)
10
R-CH
R-CH
C
(Page 23)
PB
L-CH
B
(Page 23)
TUNER
L-CH
D
(Page 23)
REC
L-CH
42 TC BIAS-ON
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC401 (2/4)
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
: TAPE PLAY
: REC
DO
CE
MUTING
TUNED
STEREO
DI
CLK
MUTE ON/OFF
REC MUTE ON/OFF
40
41
TC REC/MUTE
TC LINE MUTE
EQ
ALC
RV652
43
TC PB/REC
7
ANTENNA
80
TC ALC
11
ALC ON/OFF
REC/PB
SWITCHING
Q680, 681
REC LEVEL
(L)
59
CAPSTAN/REEL
MOTOR DRIVE
Q692, 694
58
90
38
91
TRIGGER
PLUNGER DRIVE
Q691, 693
M
M
(TAPE DECK BLOCK)
(CAPSTAN/REEL)
TC CAPM-CONT
TC TRG
TC END SW
TC PLAY SW
TC HALF/REC/SW
HCD-CPX1
23
23
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 22)
C
PB
L-CH
L-CH
(Page 22)
A
CD
L-CH
L-CH
(Page 21)
D
REC
L-CH
L-CH
(Page 22)
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
24
24
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
RY990
POWER ON/OFF
RELAY DRIVE
Q990
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
(Singapore, Korean, Australian)
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