Sony CDX-434RF / CDX-530RF / CDX-535RF Service Manual ▷ View online
21
SECTION 5
MECHANICAL ADJUSTMENT
• Elevator Height (Address) Adjustment
Note:
This adjustments is necessary when the system controller (IC201),
variable resistor (RV201), slider (R), slider (L), or chassis (ELV)
was replaced for any repair.
variable resistor (RV201), slider (R), slider (L), or chassis (ELV)
was replaced for any repair.
Connection:
Adjustment Method:
1. Load a disc magazine, and place the set vertically as shown
1. Load a disc magazine, and place the set vertically as shown
below.
2. Connect the regulated power supply, and turn the power on.
3. Press the DISC button on the wired remote commander (RM-
X87/X88) and select DISC 5.
4. At this time, if the elevator shaft does not position between
comb teeth A and B at addresses 5 and 6 as shown below,
adjust the following.
adjust the following.
5. Press repeatedly the DISC + and – buttons on the wired re-
mote commander (RM-X87/X88) so that the elevator shafts
moves from address 6 to address 5, or from 5 to 6. At this
time, adjust RV201 on the main board so that the elevator shaft
positions smoothly between comb teeth A and B.
moves from address 6 to address 5, or from 5 to 6. At this
time, adjust RV201 on the main board so that the elevator shaft
positions smoothly between comb teeth A and B.
6. Further, place the set horizontally and make same adjustment
as mentioned above.
7. After adjustment at addresses 5 to 6 is finished, check all op-
erations from addresses 1 to 10 with the set placed vertically
and horizontally respectively to confirm that the elevator shaft
positions in a range between comb teeth A to B.
and horizontally respectively to confirm that the elevator shaft
positions in a range between comb teeth A to B.
power supply
CDX-434RF/530RF/535RF
wired remote commander
(RM-X87: CDX-530RF/535R)
(RM-X88: CDX-434R)
(RM-X87: CDX-530RF/535R)
(RM-X88: CDX-434R)
GND
+
RV201
comb tooth at address 6
elevator shaft
comb tooth at address 6
comb tooth at address 5
OK
NG
elevator shaft
comb tooth at address 5
A
B
A
B
22
SECTION 6
ELECTRICAL CHECK
Note:
Power supply voltage: DC14.4 V (more than 3 A).
• FOCUS BIAS CHECK
– RF BOARD –
(Component Side)
(Component Side)
Procedure:
1. Connect the oscilloscope to TP (RFO) and TP (VC) on the RF
1. Connect the oscilloscope to TP (RFO) and TP (VC) on the RF
board.
2. Put the set into play mode by loading the disc.
3. Confirm that oscilloscope waveform is clear and check RF
3. Confirm that oscilloscope waveform is clear and check RF
signal level is correct or not.
Note:
Clear RF signal waveform means that the shape “
◊
” can be clearly distin-
guished at the center of the waveform.
• TRACKING OFFSET CHECK
– RF BOARD –
(Component Side)
(Component Side)
Procedure:
1. Connect the oscilloscope to TP (TE) and TP (VC) on the RF
1. Connect the oscilloscope to TP (TE) and TP (VC) on the RF
board.
2. Put the set into play mode by loading the disc.
3. Press the . AMS > button, and check the traverse wave-
3. Press the . AMS > button, and check the traverse wave-
form*.
4. Confirm that the oscilloscope waveform is symmetrical on the
top and bottom in relation to 0 V dc, and check this level.
* Traverse waveform: This is the tracking error wave form appears
when crossing the track.
oscilloscope
+
–
–
TP (VC)
TP
(RFO)
IC101
RF signal waveform
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
level: 1.4
±
0.3 Vp-p
oscilloscope
+
–
–
TP (VC)
TP (TE)
IC101
A
B
0 V
A=B
traverse waveform
(100 track jump waveform)
(100 track jump waveform)
VOLT/DIV : 500 mV
TIME/DIV : 2 ms
Center : 0 V
TIME/DIV : 2 ms
Center : 0 V
Traverse waveform
23
23
CDX-434RF/530RF/535RF
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – RF SERVO Section –
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
97
90
96
91
AOUT2
AOUT1
LOW-PASS
FILTER
AIN2
AIN1
95
92
LOUT
ROUT
GND-ISOLATION
IC401
EMPHI
PCMDI
LRCKI
BCKI
A
(Page 24)
L, R
L
R
MUTING
Q410, 420
87
XTAO
86
XTAI
X130
16.9344MHz
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)
05
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
• SIGNAL PATH
: CD
LASER DIODE
PWM
&
INTEGRATOR
24
24
CDX-434RF/530RF/535RF
7-2.
BLOCK DIAGRAM – MAIN Section –
18
GAMMA
AMP
L IN
1
GAMMA
AMP
R IN
MPX
17
15
6
8
MPX
BAL
MPX
BAL
TRANSMITTER
L/R BALANCE
RV701
X701
38kHz
OSC
BUFFER
13
MPX
MPX
IC701
38K
38K
A
(Page 23)
L, R
L
R
BUFFER
Q701
RF AMP
Q702, 703
BUFFER, AMP
Q781, 782
15
11
PLL
5 4 3
1
2
DATA
CLK
CE
X781
7.2MHz
XOUT
XIN
PD2
FMIN
PLL
IC781
3
ACC
2
B. UP
OUTPUT
CN703
POWER
CN303
98
97
96
PLLDATA
PLLCLK
PLLCE
PLLDATA
PLLCLK
PLLCE
62
ACCIN
60
MCK
PLLDATA
PLLCLK
PLLCE
ACCESSORY
CHECK
Q308
HIGH VOLTAGE
DETECT
Q301
D302
D311
59
EHS
51
VREF
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
MPX +5V
LCD +10V
REGULATOR
CONTROL
Q309, 310
BUCHK 75
BATTERY
CHECK
Q301, 302
D306
D307
38
CDON 8
EJECT 63
RESET SIGNAL
GENERATOR
IC303
SW302
(RESET)
B. UP +5V
KEY +5V
D308
+5V
REGURATOR
Q303
+5V
REGURATOR
IC305
DAC/SERVO +5V
Z
SW301
76 MGLK
74 ELVF
73 ELVR
SW201
MAGAZINE IN/OUT
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
(530RF/535RF)
(530RF/535RF)
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
+10V
POWER ON
SIRCS
LCDINH
LCDCE
LCDCLK
LCDDATA
KEYA/D
B. UP +5V
SYSTEM CONTROLLER
IC201 (2/2)
05
• SIGNAL PATH
: CD
RESET
DEVIATION
RV702
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