Sony CDX-1200 Service manual

CDX-1200/3600

SERVICE MANUAL

Ver 1.1 2001. 05

Photo: CDX-3600

• The tuner and CD sections have no adjustments.

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS (US, Canadian model)

POWER OUTPUT AND TOTAL HARMONIC DISTORTION 18 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 1% total harmonic distortion.

US Model

Canadian Model

CDX-1200

E Model

CDX-3600

Model Name Using Similar Mechanism CDX-1150, CDX-3700 CD Drive Mechanism Type MG-310-153

Other Specifications CD player section

System Compact disc digital audio

system Signal-to-noise ratio 90 dB Frequency response 10 – 20,000 Hz Wow and flutter Below measurable limit Laser Diode Properties (US, Canadian model)

Material GaAs + GaAlAs Wavelength 785 – 815 nm (Typ. 800 nm) Emission Duration Continuous Laser output power Less than 0.5 mW*

* This output is the value measured at a distance of

0.7 mm from the objective lens surface on the Optical Pick-up Block.

Tuner section

Tuning range

US, Canadian model: 87.5 – 107.9 MHz E model: 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) Antenna terminal External antenna connector Intermediate frequency 10.7 MHz Usable sensitivity 12 dBf Selectivity 75 dB at 400 kHz Signal-to-noise ratio 65 dB (stereo),

68 dB (mono)

Harmonic distortion at 1 kHz

0.7% (stereo),

0.5% (mono) Separation 35 dB at 1 kHz Frequency response 30 – 15,000 Hz

Tuning range

US, Canadian model: 530 – 1,710 kHz E model: AM tuning interval:

9 kHz/10 kHz switchable 531 – 1,602 kHz (at 9 kHz step)

530 – 1,710 kHz (at 10 kHz step) Antenna terminal External antenna 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 45 W × 4 (at 4 ohms)

– Continued on next page –

FM/AM COMPACT DISC PLAYER

9-870-052-12

Sony Corporation

e Vehicle Company Shinagawa Tec Service Manual Production Group

General

Outputs Audio output

Power amplifier control lead Power antenna relay control lead

Tone controls Bass ±8 dB at 100 Hz

Treble ±8 dB at 10 kHz

Power requirements 12 V DC car battery

(negative ground)

Dimensions Approx. 178 × 50 × 178 mm

(7 1/8 × 2 × 7 1/8 in.) (w/h/d)

Mounting dimensions Approx. 182 × 53 × 162 mm

(7 1/4 × 2 1/8 × 6 1/2 in.)

(w/h/d) Mass Approx. 1.2 kg (2 lb. 10 oz.) Supplied accessories Parts for installation and

connections (1 set)

Design and specifications are subject to change without notice.

SERVICE NOTE

CAUTION

Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

Notes on Chip Component Replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

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.

TABLE OF CONTENTS

1. GENERAL

Location of controls ................................................................ 3

Getting Started ........................................................................ 3

Setting the clock ..................................................................... 3

CD Player................................................................................ 3

Radio ....................................................................................... 3

Other Functions ...................................................................... 4

Connections ............................................................................5

2. DISASSEMBLY

2-1. Front Panel Assy ................................................................. 7

2-2. Key Board ........................................................................... 7

2-3. Main Sub Assy .................................................................... 8

2-4. CD Mechanism Block ......................................................... 8

2-5. Heat Sink............................................................................. 9

2-6. Chassis (R) Block Assy....................................................... 9

2-7. Floating Block Assy.......................................................... 10

2-8. Roller Arm Assy................................................................ 10

2-9. Optical Pick-up Block ....................................................... 11

3. DIAGRAMS

3-1. IC Pin Description............................................................. 12

3-2. Block Diagram –Main Section–........................................ 14

3-3. Block Diagram –Display Section–.................................... 15

3-4. Printed Wiring Boards –Main Section– ............................16

3-5. Schematic Diagram –Main Section (1/3)–........................ 18

3-6. Schematic Diagram –Main Section (2/3)–........................ 19

3-7. Schematic Diagram –Main Section (3/3)–........................ 20

3-8. Schematic Diagram –Display Section–.............................21

3-9. Printed Wiring Board –Display Section– .......................... 22

4. EXPLODED VIEWS

4-1. Chassis Section .................................................................25

4-2. Front Panel Section ........................................................... 26

4-3. CD Mechanism Section (1)............................................... 27

4-4. CD Mechanism Section (2)............................................... 28

5. ELECTRICAL PARTS LIST........................................ 29

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 objecti v e lens in the optical pick-up block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens.

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 PAR TS WHOSE P ART NUMBERS APPEAR AS SHOWN IN THIS MANU AL OR IN SUPPLEMENTS PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!!

LES COMPOSANTS IDENTIFIÉS P AR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMA TIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

SECTION 1

GENERAL

This section is extracted from CDX-3600’s instruction manual.

456

SECTION 2

DISASSEMBLY

Note : Follow the disassembly procedure in the numerical order given.

2-1. FRONT PANEL ASSY

claws

connector

2-2. KEY BOARD

front panel assy

button (source)

claw

P 2x8

claws

PTT 2.6x8

P 2x8

KEY board

button (+.–)

button (6 key)

button (AMS)

button (EJECT)

2-3. MAIN SUB ASSY

ground point

PTT 2.6x8

bracket (front)

PTT 2.6x6

PTT 2.6x8

PTT 2.6x6

ground point

PTT 2.6x8

main sub assy

sheet (insulating)

PTT 2.6x8

2-4. CD MECHANISM BLOCK

claw

CNJ102

CD mechanism block

claw

PTT 2.6x8

CN600

CNJ103

2-5. HEAT SINK

heat sink

PTT 2.6x10

2-6. CHASSIS (R) BLOCK ASSY

tension spring (FL)

PTT 2.6x10

tension spring (FL)

chassis (R) block assy

screws (P 2x2.5)

2-7. FLOATING BLOCK ASSY

tension spring (angle)

tension spring (SPM)

floating block assy

tension spring (lever D)

2-8. ROLLER ARM ASSY

Note : When replacing the spring roller, replace the rollers at the right and left ends at the same time.

spring (roller)

roller arm assy

spring (roller)

lever (LE.L)

washer (M)

2-9. OPTICAL PICK-UP BLOCK

gear (worm wheel)

shaft (sled guide)

claw

optical pick-up block

SECTION 3

DIAGRAMS

3-1. IC PIN DESCRIPTION

• IC600 µPD78005GC-133-8BT (SYSTEM CONTROL)

Pin No. Pin Name I/O Pin Description

1 MCLK O Microcomputer command clock signal output (data latch on rising) 2 MDATA O Microcomputer command data signal output 3 MLD O Microcomputer command load signal output 4 AVSS — Analog ground 5 DSTSEL0 I Destination select setting input (Connect to ground in this set.) 6 DSTSEL1 I 9k/10k select setting input (“L”: 9 kHz step, “H”: 10 kHz step) 7 AVREF1 I Analog reference voltage input 8 SUBQ I Sub code Q data input

9 — — Not used. 10 SQCK O Clock output for sub code Q register. 11 LCDCE O LCD driver serial chip enable output 12 LCDSO O LCD driver serial data output 13 LCDCKO O LCD driver serial clock output 14 ILLON O Illumination power control output 15 UNICKI I SONY-BUS serial interface clock input 16 UNISI I SONY-BUS serial interface data input 17 UNISO O SONY-BUS serial interface data output 18 UNICKO O SONY-BUS serial interface clock output 19 SBCK O Clock output for error correction result read-in. 20 BUSON O BUS ON control output 21 SYS RST O System reset control output 22 RST O DSP reset signal output (“L” active) 23 FOUT O Loading motor control output (Forward direction) 24 ROUT O Loading motor control output (Reverse direction) 25 CD-ON O CD power control output 26 PW-ON O System power control output 27 LIMSW I LIMIT switch input (“L” active) 28 FLAG I Data input for error correction result read-in. 29 SENS I SENS signal input 30 FLOCK I Focus servo pulling signal input (“L” active) 31 TLOCK I Tracking servo pulling signal input (“L” active) 32 STATE I Status signal input 33 VSS1 — Ground 34 VIB. I/O Vibration lens input/output 35 CDM-ON O CD machanism power control output 36 AMPMUT O Power amplifier mute control output 37 A-MUT O Audio mute control output 38 AD-ON O Power control output for A/D conversion. 39 PW-SEL O Not used in this set. 40 NOSESW I Front panel attachment detection input 41 TEST I Test mode direct setting input 42 TELMUT O Not used in this set. 43 ACCIN I Accessory power supply voltage detection input 44 VOLCE O Electric volume serial chip enable output 45 VOLSO O Electric volume serial data output 46 BEEP O Beep output 47 TUNON O Tuner ON output 48 FMON O FM ON output 49 PLLCE O PLL chip enable output 50 VOLCKO O Electric volume serial clock output 51 PLLSO O PLL data output

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