Sony CMT-CPX1 / HCD-CPX1 (serv.man2) Service Manual ▷ View online
HCD-CPX1
37
37
6-16. SCHEMATIC DIAGRAM – BACK LIGHT/LCD/SWITCH Boards –
•
See page 30 for Waveform.
•
See page 40 for IC Block Diagram.
R810
C801
C805
C803
C804
C806
C841
C842
R801
C802
R806
R807
R808
R809
C814
C815
C816
C811
D801
D802
D803
D804
D805
C813
C812
C808
C807
R812
R813
R814
R815
R816
R817
R818
R819
R820
R821
R822
R823
R824
R825
R831
R832
R833
R834
R835
S802
S803
S804
S801
S806
S807
S808
S805
S809
S810
S812
S817
S813
S814
S811
S815
S816
R841
R842
R843
R844
R845
R846
LCD801
D807
D808
D806
CN802
R805
RV803
RV802
RV801
C809
C810
CN801
Q805
Q804
Q803
Q802
Q801
R854
R853
R852
R851
R855
CN803
CN804
IC801
IC803
100
0.1
100p
100p
100p
100p
0.01
0.01
470k
100p
100
100
100
100
0.01
0.01
0.01
47
10V
SEL5220S
SEL5921A
SEL5921A
SEL5921A
SEL5921A
0.01
0.01
0.01
0.01
1k
2.2k
2.2k
1k
2.2k
2.2k
4.7k
10k
1k
2.2k
2.2k
4.7k
10k
22k
470
470
470
470
470
470
470
470
470
470
470
SELS6B14C
SELS6B14C
SELS6B14C
9P
220k
0.01
0.01
19P
DTC114EKA
DTC114EKA
DTC114EKA
DTC114EKA
DTC114EKA
100
100
100
100
100
4P
4P
NJL74H400A
BU9728AKS
SEG7
SEG6
SEG5
SEG4
SEG2
SEG1
SEG0
COM2
COM0
S
E
G
8
S
E
G
9
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
8
S
E
G
1
9
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
S
E
G
1
7
S
E
G
1
1
SEG3
COM3
COM1
S
E
G
1
0
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
S
E
G
0
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
7
S
E
G
1
8
S
E
G
1
9
S
E
G
2
0
S
E
G
2
1
S
E
G
2
2
S
E
G
2
3
S
E
G
2
4
S
E
G
2
5
S
E
G
2
6
S
E
G
2
7
S
E
G
2
8
S
E
G
2
9
S
E
G
3
0
S
E
G
3
1
G
1
G
2
G
3
G
4
G1
G2
G3
G4
TA
P
E
T
U
N
E
R
C
D
D
S
G
S
T
A
N
D
B
Y
B
A
S
S
_
A
B
A
S
S
_
B
T
R
E
B
L
E
_
A
T
R
E
B
L
E
_
B
CD
TAPE
STANDBY
TUNER
DSG
BASS_B
TREBLE_B
TREBLE_A
VOL_B
VOL_A
SIRCS
BASS_A
V
O
L
_
A
V
O
L
_
B
SIRCS
D806-808
(LCD BACK LIGHT)
+3.3V(EVER)
GND
LCD RESET
LCD C/D
LCD CS
LCD DATA
LCD CLK
LED GND
BACK LIGHT +7V
LIQUID CRYSTAL
DISPLAY DRIVER
ROTARY ENCODER
VOLUME
ROTARY ENCODER
ROTARY ENCODER
TREBLE
BASS
+7V
LED GND
LED TAPE
+3.3V(EVER)
LED TUNER
D-GND
SIRCS
LED STANDBY
LED DSG
KEY3
KEY2
KEY1
TREBLE-A
VOL-B
VOL-A
LED CD
TREBLE-B
BASS-A
BASS-B
DSG
TUNING +
TUNING -
(CD)
(CD)
CD
REPEAT
FM MODE
PLAY MODE/
DIRECTION
TUNING MODE
FUNCTION
DISPLAY
CD SYNCHRO
TUNER
BAND
REC
TAPE
TAPE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
DSG
(STANDBY)
TUNER
BAND
OUT
GND
3.3V
REMOTE
CONTROL
RECEIVER
LED_GND
BACK_LIGHT1
BACK_LIGHT3
BACK_LIGHT2
LED_GND
BACK_LIGHT1
BACK_LIGHT3
BACK_LIGHT2
LIQUID CRYSTAL DISPLAY
CD
(TAPE)
(Page 33)
(Page 33)
HCD-CPX1
38
38
EP801
NO805
C817
C818
C820
FB801
FB802
FB803
L751
L741
L731
L721
J701
CN701
CN711
CLP703
FB709
C704
C703
C702
C701
FB708
FB707
FB706
NO991
NO992
CN990
RY991
C992
C994
D993
D992
D994
C993
D995
CLP999
RY990
C991
JW901
JW990
JW991
JW992
D991
Q991
D990
Q990
R992
R994
R993
R991
IC991
T991
HP BOARD
1-686-793-
11
(21)
J801
PHONES
(CHASSIS)
1
4
MAIN BOARD
CN102
G
SP OUT BOARD
1-686-795-
11
(21)
L
R
SPEAKER
IMPEDANCE
USE 4Ω
2
1
2
1
AMP
BOARD
NO691
J
AMP
BOARD
NO690
K
A
B
C
D
E
F
1
2
3
4
5
6
7
8
SUB POWER BOARD
E
E
SUB POWER
TRANSFORMER
SWITCHING
REGULATOR
MAIN BOARD
CN301
C
AMP BOARD
CN600
L
1-686-794-
11
(21)
1
2
1
2
(AC IN)
3
1
MAIN
BOARD
CN401
H
1
3
(SP, KR, AUS)
6-17. PRINTED WIRING BOARDS – HP/SP OUT/SUB POWER Boards –
•
See page 25 for Circuit Boards Location.
:Uses unleaded solder.
(Page 31)
(Page 34)
(Page 34)
(Page 31)
(Page 34)
(Page 31)
D990
F-5
D991
D-5
D992
D-4
D993
D-4
D994
D-4
D995
D-4
IC991
E-4
Q990
E-5
Q991
E-5
• Semiconductor
Location
Ref. No.
Location
HCD-CPX1
39
39
6-18. SCHEMATIC DIAGRAM – HP/SP OUT/SUB POWER Boards –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
C817
C818
C820
R992
C993
C994
D993
D994
D992
D995
C992
D991
NO991
CN990
NO992
Q991
FB801
FB802
FB803
EP801
J801
FB709
FB708
FB707
FB706
C701
C702
C703
C704
L741
L751
L721
L731
CN701
CN711
J701
NO805
RY991
C991
IC991
R991
Q990
R993
R994
T991
D990
RY990
0.001
0.001
0.1
100k
2200
16V
100
10V
10V
10EDB40
10EDB40
10EDB40
10EDB40
0.01
250V
250V
1SS355
2P
2P
3P
2SC3624
0
0
0
0
0
0
0
470p
470p
470p
470p
2P
2P
4P
0.01
250V
250V
NJU7201L40
4.7k
2SC3624
4.7k
100k
1SS355
Lch-1
Lch-2
Rch-1
Rch-2
NEUTRAL
LIVE
NEUTRAL
LIVE
SUB.GND
RELAY ON
+4V REGULATOR
POWER ON/OFF
RELAY DRIVE
G
O
I
SUB POWER
TRANSFORMER
(AC IN)
SWITCHING
REGULATOR
+4V(EVER)
(CHASSIS)
PHONES
HP DET
HP R
HP GND
HP L
SPEAKER
IMPEDANCE
USE 4Ω
L
R
POWER ON/OFF
RELAY DRIVE
(SP,KR,AUS)
(Page 32)
(Page 35)
(Page 33)
(Page 35)
(Page 35)
(Page 33)
HCD-CPX1
40
40
ROM/RW
ROM/RW
RF OFF AT VCC
VOFST
VOFST
DVC
VC
VC
VC
ROM/RW
VC
VC
30
29
28
+
–
+
–
VC
VCC
DVC
27
26
25
24
ROM/RW
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
ROM/RW
VC
ROM/RW
DVC
+
–
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
ROM/RW
DVC OR Hi-Z
SLEEP, APC OFF
VOFST
VC
ROM/RW
+
–
10
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDC
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
VC
+
–
VC
+
–
11
GM
F
GM
ROM/RW
(L/H)
VOFST
• IC Block Diagrams
– BD Board –
– BD Board –
IC101
CXD3017Q
IC103
CXA2647N-T4
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTOR
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
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