Sony CDX-540RF / CDX-545RF / CDX-545XRF Service Manual ▷ View online
3
3
CDX-540RF/545RF/545XRF
M
M
6
7
VO4+
VO4–
VIN4+
VIN4–
10
11
VO2+
VO2–
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
12
13
VO1+
VO1–
VIN2+
VIN2–
42
43
FFDR
FRDR
38
39
31
32
22
21
5
4
VL0+
VL0–
FWD
REV
1
2
SFDR
SRDR
A
B
C
D
E
F
I-V AMP
PD
LD
DETECTOR
5
6
7
8
11
10
E I-V AMP
F I-V AMP
E
D
C
B
A
F
3
LD
RF
SUMMING
AMP
FOCUS
ERROR
AMP
RF EQ
AMP
16
RFO
14
FE
13
4
TE
TRACKING
ERROR
AMP
AUTOMATIC
POWER
CONTROL
Q101
APC LD
AMP
PD
AGC
22
21
20
LDON
HOLD SW
AGCCONT
APC PD
AMP
LDON
HOLD
AGC
RFDC
FE
TE
54 50 52 51
RFDC
FE
TE
61
60
59
ASYMMENTRY
CORRECTOR
RFAC
ASYI
ASYO
ASYO
DIGITAL
PLL
EFM
DE-
MODULATOR
D/A
INTER-
FACE
63 66 65
64
FILO
CLTV
PCO
FILI
83
EMPH
FILTER
INTERNAL BUS
77
81
79
78
82
80
PCMD
LRCK
BCK
32k RAM
ERROR
CORRECTOR
54
55
56
LDON
HOLD
AGC
LDON
AGCHOLD
RF AGC
91 GFS
22
GFS
6
CDDATA
13
DATA
7
CDCLK
15
CLOK
5
CDXLT
77 SQSO
79 SQCK
82 SCOR
92 SCLK
90 FOK
XRST
14
XLAT
93 SENS
16
SENS
6
SQSO
7
SQCK
24
SCOR
17
SCLK
32
FOK
CPU
INTERFACE
SUBCODE
PROCESS
PROCESS
RFDC
FE
TE
SE
OP AMP
ANALOG SWITCH
A/D CONVERTER
MIRR
DFCT
FOK
DIGITAL SERVO
SIGNAL PROCESS
PWM GENERATOR
40
41
25
24
TEDR
TRDR
VIN1–B
18
8
9
VO3+
VO3–
VIN3+
VIN3–
DIGITAL
CLV
35
MDP
M
M103
(CHUCKING)
M102
(SPINDLE)
M101
(SLED)
TRACKING/FOCUS COIL DRIVE,
SLED/SPINDLE/CHUCKING
MOTOR DRIVE
IC201
MOTOR
DRIVE
COIL
DRIVE
SERVO AUTO
SEQUENCER
SERVO
INTERFACE
94
CH. F
71
CH. R
72
89
11
XRST
36
SSTP
LIMSW
SW3
(LIMIT)
65 LOAD1
SW1
(CHUCKING END DETECT)
66 LOAD2
SW2
(SAVE END DETECT)
ON : When the optical pick-up
is inner position
is inner position
ON : When completion of the disc
chucking operation
chucking operation
ON : When completion of the disc
save operation
save operation
84
SERIAL
IN
INTERFACE
DIGITAL FILTER,
NOISE SHAPER
90
97
91
96
AOUT1
AOUT2
LOW-PASS
FILTER
AIN1
AIN2
92
95
LOUT
ROUT
GROUND ISOLATION
IC401
EMPHI
PCMDI
LRCKI
BCKI
A
L, R
L
R
MUTING
Q410, 420
87
XTAO
86
XTAI
X130
16.9344MHz
(page 4)
TIMING
LOGIC
CLOCK
GENERATOR
4
AMUTE
MUTING
CONTROL
Q401, 402
SYSTEM CONTROLLER
IC201 (1/2)
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER,
DIGITAL SERVO PROCESSOR
IC101
(TRACKING)
(FOCUS)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS-720A)
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
• SIGNAL PATH
: CD PLAY
LASER DIODE
PWM
&
INTEGRATOR
2
DIAGRAMS
2-1.
BLOCK DIAGRAM – SERVO Section –
4
4
CDX-540RF/545RF/545XRF
2-2.
BLOCK DIAGRAM – MAIN Section –
OUTPUT
CN703
22
LIN
1
RIN
A
L, R
L
R
17 16 15
DATA
CLK
CE
3
ACC
2
B. UP
POWER
CN303
98
97
96
PLLDATA
PLLCLK
PLLCE
PLLDATA
PLLCLK
PLLCE
62
ACCIN
60
MCK
PLLDATA
PLLCLK
PLLCE
ACCESSORY
CHECK
Q308
D311
59
EHS
51
AVREF
ELVON
RV201
ELEVATOR HEIGHT
(ADDRESS)
RV202
ELEVATOR HEIGHT
SENSOR
REFERENCE VOLTAGE
SWITCH
Q201
B. UP +5V
9
LCDON 36
+8V
REGULATOR
IC304
DRIVER +8V
+10V
REGULATOR
Q311
+5V
REGULATOR
IC304
FM STEREO
TRANSMITTER
+5V
LCD +10V
REGULATOR
CONTROL
Q309, 310
BUCHK 75
D306
D302
D307
38
CDON 8
EJECT 63
SW302
(RESET)
B. UP +5V
KEY +5V
+5V
REGURATOR
Q303
+5V
REGURATOR
IC305
DAC/SERVO +5V
Z
SW301
76 MGLK
74 ELVF
73 ELVR
SW201
MAGAZINE
DETECT
ON : When magazine
is set
is set
3
4
48 EEDATA
49 EECLK
40 XTAL
41 EXTAL
80 KEYACK
95 ADON
58 KEYIN
5
6
9
7
MOTOR
DRIVE
IN1
IN2
OUT1
OUT2
ELEVATOR
MOTOR DRIVE
IC301
M
M104
(ELEVATOR)
DATA
CLK
EEPROM
IC203
X201
12MHz
KEY ACTIVE
SWITCH
Q231
KEY +5V
SWITCHING
Q232
44 LCDDATA
45 LCDCLK
37 LCDCE
43 LCDINH
83 SIRCS
6
7
4
5
8
1
3
DISPLAY
CN302
LCD +10V
POWER ON
SIRCS
LCDINH
LCDCE
LCDCLK
LCDDATA
KEYA/D
B. UP +5V
SYSTEM CONTROLLER
IC201 (2/2)
• SIGNAL PATH
: CD PLAY
RESET
HIGH VOLTAGE
DETECT
Q301
BATTERY
CHECK
Q301, 302
RESET SIGNAL
GENERATOR
IC303
D308
F301
D312
PRE-EMPHASIS
& LIMITER
PRE-EMPHASIS
& LIMITER
L. P. F.
L. P. F.
MPX
14
XIN
13
XOUT
OSC
MUTING
OSC
BUFFER, AMP
Q702
RF AMP
PHASE
DETECTOR
PROGRAM
COUNTER
SHIFT
REGISTER
X701
7.6MHz
(page 3)
5
MPX
ADJ
18
MUT
FM STEREO
TRANSMITTER
IC701
9
11
7
RF IN
PD
RF OUT
L. P. F.
RV701
TRANSMITTER
MODULATION
SENSITIVITY
5
5
2-3.
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.
•
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.
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.
•
f
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 14.4 V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground in
CD play mode.
• 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.
J
: CD PLAY
• IC Block Diagram
– FM Board –
– FM Board –
IC701
BH1415F-E2
+
–
+
–
–
PHASE
DETECTOR
22
21
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
10
11
L. P. F.
L. P. F.
SHIFT REGISTER
PROGRAM COUNTER
1
4
4
1
50
1
19
VCC
2
MUTE
MPX
OSC
0
+
1
2
2
RF
PRE-EMPHASIS
& LIMITER
L-CH INPUT
PRE-EMPHASIS TIME CONSTANT
LPF TIME CONSTANT
PILOT SIGNAL ADJUST
AUDIO MUTING
DATA
CLOCK
CHIP ENABLE
X'TAL OSCILLATOR
X'TAL OSCILLATOR
PLL VCC
R-CH INPUT
PRE-EMPHASIS TIME CONSTANT
LPF TIME CONSTANT
FILTER
COMPOSITE SIGNAL OUTPUT
GND
PLL PHASE DETECTOR OUTPUT
VCC
RF OSCILLTOR
RF GND
RF OUTPUT
• Waveforms
– FM Board –
– FM Board –
1
IC701
qd
(XOUT)
2
IC701
qa
(RF OUT)
3.4 Vp-p
131.6 ns
656 mVp-p
14.3 ns
6
6
CDX-540RF/545RF/545XRF
13
(13)
80
81
100
51
1
100
76
26
50
51
75
C255
1
25
30
31
50
IC101
IC201
IC303
IC301
IC203
IC401
R303
C308
C251
C317
C252
R319
R305
C253
C254
C307
C320
R302
R320
1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
E
F
G
H
I
J
K
2-4.
PRINTED WIRING BOARD – MAIN Board (Component Side) –
• Semiconductor
Location
Ref. No.
Location
D201
B-7
D202
B-7
D231
F-8
D306
G-5
D307
G-5
D309
G-4
D310
G-4
D311
G-3
D312
G-6
D313
G-4
IC101
C-9
IC201
F-9
IC203
G-10
IC301
H-3
IC303
G-4
IC401
D-7
Q201
F-10
Q231
G-8
Q232
G-8
Q301
G-5
Q302
G-5
Q303
G-5
Q401
E-8
Q402
E-9
Q410
D-6
Q420
C-6
(Page 10)
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