Sony CDXCA-730-X Service manual
CDX-CA730X
SERVICE MANUAL
Ver 1.0 2002. 02
• The tuner and CD sections have no adjustments.
SPECIFICATIONS
E Model
Model Name Using Similar Mechanism CDX-CA700/CA700X
CD Drive Mechanism Type MG-393XA-121//Q
Optical Pick-up Name KSS-720A
CD player section
Signal-to-noise ratio 90 dB
Frequency response 10 – 20,000 Hz
Wow and flutter Below measurable limit
Tuner section
FM
Tuning range FM tuning interval:
50 kHz/200 kHz switchable
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity 8 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 66 dB (stereo),
72 dB (mono)
Harmonic distortion at 1 kHz
0.6% (stereo),
0.3% (mono)
Separation 35 dB at 1 kHz
Frequency response 30 – 15,000 Hz
AM
Tuning range AM tuning interval:
9 kHz/10 kHz switchable
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity 30 µV
Power amplifier section
Outputs Speaker outputs
(sure seal connectors)
Speaker impedance 4 – 8 ohms
Maximum power output 52 W × 4 (at 4 ohms)
General
Outputs Audio outputs (front /rear)
Power antenna relay control terminal
Power amplifier control terminal
Inputs Telephone ATT control terminal
BUS control input terminal
BUS audio input terminal
Remote controller input terminal
Aerial input terminal
Tone controls Bass ±10 dB at 62 Hz
Treble ±10 dB at 16 kHz
Loudness +8 dB at 100 Hz
+2 dB at 10 kHz
– Continued on next page –
9-873-559-01
2002B0400-1
© 2002. 02
FM/AM COMPACT DISC PLAYER
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation
1
CDX-CA730X
k
Power requirements 12 V DC car battery
(negative earth)
Dimensions Approx. 178 × 50 × 178 mm
(w/h/d)
Mounting dimensions Approx. 182 × 53 × 162 mm
(w/h/d)
Mass Approx. 1.2 kg
Supplied accessories Parts for installation and connections (1 set)
Front panel case (1)
Card remote commander (1)
Note
This unit cannot be connected to a digital preamplifier or an equalizer.
Design and specifications are subject to change without
notice.
SERVICE NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
breakdown because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic breakdown and also use
the procedure in the printed matter which is included in the repair
parts.
The flexible board is easily damaged and should be handled with
care.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
If the optical pick-up block is defective, please replace the whole
optical pick-up block.
Never turn the semi-fixed resistor located at the side of optical
pick-up block.
optical pick-up bloc
semi-fixed resistor
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pickup block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens.
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tay$alum capacitor may be dam-
aged by heat.
TEST DISCS
This set can playback CD-R and CD-ROM discs. The following
test discs should be used to check the capability:
CD-R test disc TCD-R082LMT (Part No. J-2501-063-1)
CD-RW test disc TCD-W082L (Part No. J-2501-063-2)
Notes on CD-R/CD-RW discs
• Y ou can play CD-Rs (recordable CDs)/CD-R Ws (rewritable CDs)
designed for audio use on this unit.
Look for these marks to distinguish CD-Rs/CD-RWs for audio
use.
These marks denote that a disc is not for audio use.
• Some CD-Rs/CD-RWs (depending on the equipment used for
its recording or the condition of the disc) may not play on this
unit.
• You cannot play a CD-R/CD-RW that is not finalized∗.
∗ A process necessary for a recorded CD-R/CD-RW disc to be
played on the audio CD player.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY P ARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
2
TABLE OF CONTENTS
CDX-CA730X
1. GENERAL
Location of controls................................................................. 4
Connections .............................................................................5
2. DISASSEMBLY
2-1. Sub Panel Assy .................................................................... 7
2-2. CD Mechanism Block ......................................................... 8
2-3. Main Board ......................................................................... 8
2-4. Heat Sink ............................................................................. 9
2-5. Chassis (T.U) Assy .............................................................. 9
2-6. Disc In Board .................................................................... 10
2-7. Servo Board....................................................................... 10
2-8. Shaft Roller Assy .............................................................. 11
2-9. Floating Block Assy .......................................................... 11
2-10. Optical Pick-up Block ....................................................... 12
3. DIAGRAMS
3-1. IC Pin Description............................................................. 13
3-2. Block Diagram –CD Section–........................................... 15
3-3. Block Diagram –Tuner Section–....................................... 16
3-4. Block Diagram –Display Section–.................................... 17
3-5. Circuit Boards Location .................................................... 17
3-6. Printed Wiring Boards –CD Mechanism Section–............ 18
3-7. Schematic Diagram –CD Mechanism Section– ................ 20
3-8. Schematic Diagram –Main Section (1/3)– ........................ 21
3-9. Schematic Diagram –Main Section (2/3)– ........................ 22
3-10. Schematic Diagram –Main Section (3/3)– ........................ 23
3-11. Printed Wiring Board –Main Section– .............................. 24
3-12. Printed Wiring Board –Relay Section– ............................. 26
3-13. Schematic Diagram –Relay Section–................................ 27
3-14. Printed Wiring Board –Key Section– ................................ 28
3-15. Schematic Diagram –Key Section–...................................29
4. EXPLODED VIEWS
4-1. Chassis Section ................................................................. 33
4-2. Main Board Section .......................................................... 34
4-3. Front panel Section ........................................................... 35
4-4. CD Mechanism Section (1) ............................................... 36
4-5. CD Mechanism Section (2) ............................................... 37
4-6. CD Mechanism Section (3) ............................................... 38
5. ELECTRICAL PARTS LIST ........................................ 39
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension cable)
as shown below.
• Connect the MAIN board (CNP301) and the SERVO board (CN1)
with the extension cable (Part No. J-2502-062-1).
MAIN BOARD CNP301
SERVO BOARD CN1
3
CDX-CA730X
SECTION 1
GENERAL
This section is extracted
from instruction manual.
4
Connections
CDX-CA730X
5
CDX-CA730X
6
SECTION 2
W
DISASSEMBLY
Note : This set can be disassemble according to the following sequence.
SET
2-5. CHASSIS (T.U) ASSY
2-1. SUB PANEL ASSY
(Page 7)
(Page 9)
CDX-CA730X
2-2. CD MECHANISM BLOCK
(Page 8)
2-3. MAIN BOARD
(Page 8)
2-4. HEAT SINK
(Page 9)
2-6. DISC IN BOARD
(Page 10)
2-8. SHAFT ROLLER ASSY
(Page 11)
2-9. FLOATING BLOCK ASSY
(Page 11)
2-10. OPTICAL PICK-UP BLOCK
(Page 12)
Note : Follow the disassembly procedure in the numerical order given.
2-1. SUB PANEL ASSY
2-7. SERVO BOARD
(Page 10)
2
PTT 2.6x6
4
CLAWS
6
SUB PANEL ASSY
3
CLA
5
CN701
1
PTT 2.6x6
7
CDX-CA730X
4
4
2-2. CD MECHANISM BLOCK
7
CD mechanism block
2
PTT 2.6x4
3
6
bracket (CD)
5
PTT 2.6x4
1
PTT 2.6x
2-3. MAIN BOARD
5
PTT 2.6x6
6
MAIN board
4
PTT 2.6x6
4
CNP301
1
PTT 2.6x
2
PTT 2.6x4
3
PTT 2.6x4
8
y
2-4. HEAT SINK
0
CDX-CA730X
4
heat sink
3
PTT 2.6x1
2-5. CHASSIS (T.U) ASSY
1
Unsolder the
lead wires.
2
P 2x3
1
PTT 2.6x10
2
PTT 2.6x16
3
P 2x3
4
chassis (T.U) sub ass
black
red
white
9
CDX-CA730X
2-6. DISC IN BOARD
4
guide (disc)
1
PS 2x3
2
DISC IN board
2-7. SERVO BOARD
2
Removal the solders.
3
4
loading motor assy
P 2x3
3
claws
5
PS 2x4
1
CN3
7
SERVO board
6
PS 2x4
8
connector
10
optical pick-up block
2-8. SHAFT ROLLER ASSY
• When installing, take note of the positions
arm (roller) and washers. (Fig. 1)
3
retaing ring (roller)
4
bearing (roller)
bearing (roller)
retaing ring (roller)
washer (RA)
arm
5
shaft roller assy
2
arm (roller T)
washer (RA)
Fig. 1
CDX-CA730X
bearing (roller)
arm
2-9. FLOATING BLOCK ASSY
8
compression spring (FL)
1
tension spring (KF1)
1
tension spring (RA3)
7
floating block assy
9
compression spring (FL)
2
tension spring (KR1)
5
Fit lever (D) in the
direction of the arrow.
6
Turn loading ring in the
direction of the arrow.
4
damper (T)
3
damper (T)
11
CDX-CA730X
2-10. OPTICAL PICK-UP BLOCK
1
P 2x3
2
sled motor assy
6
shaft (feed) assy
4
P 2x3
5
spring (feed), plate
3
optical pick-up block
12
CDX-CA730X
SECTION 3
DIAGRAMS
3-1. IC PIN DESCRIPTION
• IC501 MN101C49KCY (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 VREF– — Ground for A/D converter power supply
2 VSM I S-meter voltage detection signal input from tuner unit (TU10)
3 NIL I Connect to ground.
4 KEYIN1 I Key signal input
5 KEYIN0 I Key signal input
6 RC IN0 I Rotary commander key signal input from remote in jack (J561)
7 QUALITY I Noise detection signal input Connect to ground in this set.
8 NIL/MPTH I Connect to ground in this set. Multi path detection signal input
9 DSTSEL/FUNCSEL I Destination set up detection signal input (S553)
10 VREF — A/D converter power supply
11 VDD — Power supply (+5 V) input pin
12 OSCOUT O High speed clock signal output (18.432 MHz)
13 OSCIN I High speed clock signal input (18.432 MHz)
14 VSS — Ground for power supply
15 XIN I Low speed clock signal input (32.768 kHz)
16 XOUT O Low speed clock signal output (32.768 kHz)
17 MMOD I
18 LCDSO O LCD serial data signal output to LCD driver (IC901)
19 LCDCE O LCD chip enable signal output to LCD driver (IC901)
20 LCDCKO O LCD serial clock signal output to LCD driver (IC901)
21 CD TSO O CD servo IC serial data signal output
22 CD TSI I CD servo IC serial data signal input
23 CD TCKO O CD servo IC serial clock signal output
24 SYSRST O System reset signal output to bus interface (IC581)
25 BUS ON O Bus on signal output to bus interface (IC581)
26 KEYACK I Key acknowledge detection signal input
27 NIL/DAVN I Connect to ground in this set. RDS data block synchronization detection signal input
28 BU IN I Back up power supply detection signal input
29 SIRCS I Remote signal input from remote control receiver (IC971)
30 CD SELFSW I CD mechanism self load position detection switch signal input from self switch (SW2)
31 CD PACK I CD text pack sync signal input from CD servo (IC1)
32 VDD2 — Power supply (+5 V) pin
33 RESET I microcomputer reset signal input from reset IC (IC551) “L”: reset
34 NOSE SW I Front panel attachment detection signal input from nose detect switch (S552) “L”: ON
35 BEEP O Beep signal output to power amp (IC751)
36 NCO O Not used. (Open)
37 TESTIN I Test mode detection signal input
38 ACCIN I Accessory power supply detection signal input
39 NCO (VCC) O Not used. (Open)
40 TELATT I Telephone ATT detection signal input
41 NCO (VCC) I Connect to power supply.
42 UNISO O Sony-Bus serial data signal output to bus interface (IC581)
43 UNISI I Sony-Bus serial data signal input from bus interface (IC581)
44 UNICKO O Sony-Bus serial clock signal output to bus interface (IC581)
45 I2C SIO I/O I2C bus serial data signal input/output
46 NCO O Not used. (Open)
47 I2C CKO O I2C bus serial clock signal output
48 NCO O Not used. (Open)
Memory mode select signal input (Input to “Low” (single chip mode).)
(Connect to ground.)
13
CDX-CA730X
Pin No. Pin Name I/O Pin Description
49 TUNON O Tuner power supply control signal output to power supply (IC601)
50 PW ON O System power supply control signal output to power supply (IC601)
51 TSTB O CD text parameter strob signal output to servo IC (IC1)
52 RFOK I RF OK signal input from servo IC (IC1)
53 CD RST O Reset signal output to servo IC (IC1)
54 A0 O
55 STB O Data strob signal output to servo IC (IC1)
56 X EN O Crystal oscillation control signal output Not used in this set.
57 LIMIT I CD Mechanism in-limit switch signal input from limit switch (SW3)
58 PH1 I CD Mechanism PH1 detection signal input Not used in this set.
59 D SW I CD Mechanism down switch signal input from down switch (SW5)
60 INSW/PH2 I CD Mechanism disc-in switch detection signal input from disc-in switch (SW1)
61 NC (PH3) I CD Mechanism PH3 detection signal input Not used in this set.
62 CD LM LO O CD Mechanism loading motor control signal output to loading motor drive (IC2)
63 CD LM EJ O CD Mechanism eject motor control signal output to loading motor drive (IC2)
64 4VPRE/NCO I/O Hi-Volt power selection “L”: with, “H”: without
65 PREOUTMENU/NCO I/O Pre-out (4 V/5.5 V) menu selection “L”: with, “H”: without set up signal input
66 AMPATT O Power amp ATT control signal output to power amp (IC751)
67 AMPON O Power amp standby control signal output to power amp (IC751)
68 CDMD ON O CD mechanism deck power supply control signal output
69 ATT O System ATT control signal output
70 VOLATT O Electrical volume ATT control signal output to electrical volume (IC331)
71 – 73 NCO O Not used. (Open)
74 MP3SEL I
75 SUB SEL I Sub-out function detection signal input “H”: without, “L”: with
76 SW SHIFT O Not used in this set. (Open)
77 COLSEL I Key illumination color selection detection signal input “L”: amber, “H”: green
78 NCO O Not used. (Open)
79 XCD ON O CD on signal output “H”: Play, “L”: Loading or standby
80 – 85 NCO O Not used. (Open)
86 E2P SIO I/O EEPROM serial data signal input/output
87 E2P CKO O EEPROM serial clock signal output
88 NCO O Not used. (Open)
89 FLASH W I Flash microcomputer write detection signal input “L”: Write mode
90 NIL/NS MASK O Connect to ground in this set. Noise mask signal output
91 AD ON O Key power supply control signal output “L”: key active
92 DOORIND O Sub panel power supply control signal output
93 ILLON O Illumination power supply control signal output
94 DOOR SW I Front panel open/close detection signal input “L”: Close, “H”: Open
95 DAVSS — Ground pin
96 RE IN1 I Rotary encoder signal input from rotary encoder (RE901)
97 RE IN0 I Rotary encoder signal input from rotary encoder (RE901)
98 RC IN1 I
99 NCO O Not used. (Connect to ground.)
100 DAVDD — Power supply pin (+5 V)
Command/parameter identification signal output to servo IC (IC1)
“L”: Command, “H”: Parameter
MP3 control select signal input “L”: MP3 CD changer control correspondence,
“H”: not correspondence
Rotary commander shift key signal input from remote in jack (J561)
“L”: Shift key on
14
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