Sony HCD-RV7, HCD-RV8 Service Manual

HCD-RV7/RV8

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SERVICE MANUAL

Ver 1.0 2002.07

TEL 13942296513 QQ 376315150 892498299

HCD-RV7/R V8 are the amplifier, video CD/CD pla yer , tape player and tuner section in MHC-RV7/RV8.

Photo: HCD-RV8

Model Name Using Similar Mechanism NEW

CD Section

TAPE Section

CD Mechanism Type CDM58E-30BD62 Base Unit Name BU-30BD62 Optical Pick-up Name A-MAX.3 Model Name Using Similar Mechanism NEW Tape T ransport Mechanism T ype TCM-230AWR41CS

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Amplifier section

Saudi Arabian Models

The following are measured at AC 127, 220, 240V, 50/60 Hz DIN power output (rated) 160 + 160 watts

Continuous RMS power output (reference)

Other Models

The following are measured at AC 120, 220, 240V 50/60 Hz DIN power output (rated) 160 + 160 watts

Continuous RMS power output (reference)

Inputs GAME (VIDEO): 1 Vp-p, 75 ohms (phono jack) GAME (AUDIO): Voltage 250 mV, (phono jacks) impedance 47 kilohms MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV, (phono jacks) impedance 47 kilohms MIC: sensitivity 1 mV, (phone jack) impedance 10 kilohms

(6 ohms at 1 kHz, DIN) 210 + 210 watts (HCD-RV8)

200 + 200 watts (HCD-RV7) (6 ohms at 1 kHz, 10% THD)

(6 ohms at 1 kHz, DIN) 210 + 210 watts (HCD-RV8)

200 + 200 watts (HCD-RV7) (6 ohms at 1 kHz, 10% THD)

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SPECIFICATIONS

Outputs VIDEO OUT: max. output level 1 Vp-p, (phono jacks) unbalanced, Sync.

AUDIO OUT: Voltage 250 mV (phono jacks) impedance 47 kilohms PHONES: accepts headphones of (stereo mini jack) 8 ohms or more FRONT SPEAKER: accepts impedance of 6 to

SURROUND SPEAKER: accepts impedance of SUBWOOFER:

(RV8)

VIDEO CD/CD player section

System Compact disc and digital Laser Semiconductor laser Frequency response 2 Hz – 20 kHz (±0.5 dB)

Wave length 795 nm Video color system format NTSC, PAL

Tape player section

Recording system 4-track 2-channel stereo Frequency response 50 – 13,000 Hz (±3 dB),

negative load impedance 75 ohms

16 ohms 24 ohms or more

accept impedance of 8 ohms or more

audio system (λ=795nm)

using Sony TYPE I cassette

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Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range 87.5 – 108.0 MHz Antenna FM lead antenna Antenna terminals 75 ohm unbalanced Intermediate frequency 10.7 MHz

AM tuner section

Tuning range Latin American models:

Saudi Arabian models: 531 – 1,602 kHz

Other models: 531 – 1,602 kHz

Antenna AM loop antenna Antenna terminals External antenna terminal Intermediate frequency 450 kHz

530 – 1,710 kHz (with the interval set at 10 kHz) 531 – 1,710 kHz (with the interval set at 9 kHz)

(with the interval set at 9 kHz)

(with the interval set at 9 kHz) 530 – 1,710 kHz (with the interval set at 10 kHz)

– Continued on next page –

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9-874-091-01 Sony Corporation

2002G0500-1 Home Audio Company C 2002.07 Published by Sony Engineering Corporation

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COMPACT DISC DECK RECEIVER

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HCD-RV7/RV8

General

Power requirements Thailand models: 220 V AC, 50/60 Hz

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Saudi Arabian models: 120 – 127 V, 220 V or

Other models: 120 V, 220 V or 230 – 240

Power consumption 300 watts (HCD-RV8)

Dimensions (w/h/d) Approx. 280 x 360 x 445 Mass :

Design and specifications are subject to change without notice.

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230 – 240 V AC, 50/60 Hz Adjustable with voltage selector

V AC, 50/60 Hz Adjustable with voltage selector

240 watts (HCD-RV7)

mm Approx. 13.1 kg (HCD-RV8) Approx. 11.0 kg (HCD-RV7)

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Notes on chip component replacement

•Never reuse a disconnected chip component.

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• Notice that the minus side of a tantalum capacitor may be damaged by heat.

Flexible Circuit Board Repairing

•Keep the temperature of the soldering iron around 270 ˚C during repairing.

• Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering or unsoldering.

CAUTION

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

The following caution label is located inside the unit.

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This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior.

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SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIA GRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE

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OPERATION. REPLACE THESE COMPONENTS WITH

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SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

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SERVICING NOTES

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT

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The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down 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.

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

TEL 13942296513 QQ 376315150 892498299

pick-up block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objectiv e lens.

LASER DIODE AND FOCUS SEARCH OPERATION CHECK

Carry out the “S curve check” in “CD section adjustment” and check that the S curve waveforms is output three times.

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• MODEL IDENTIFICATION – Back Panel –

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RV7: E, Singapore and Malaysia models

RV8: E, Singapore and Malaysia models

RV7: Thai model 4-237-780-8[] RV7: Saudi Arabia model 4-239-663-6[]

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RV8: Saudi Arabia model 4-239-663-7[]

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PART No.

MODEL PART No.

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4-237-780-3

4-237-780-4[]

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SECTION 2

GENERAL

LOCATION OF CONTROLS

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– Front Panel –

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ALPHABETICAL ORDER A - D

ALBUM + ql ALBUM – wh CD ek CD SYNC HI-DUB qg CINEMA SPACE rs DECK A A wl DECK B A qj DIMMER 9 DIRECTION q; DISC 1~3 4 DISC SKIP EX-CHANGE 5 Disc tray 3 DISPLAY 7

E - J

ECHO LEVEL wa EDIT q; EFFECT ON/OFF rh ENTER rf

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FM MODE qd GAME ef GAME EQ rj GAME INPUT (jacks) wg GAME MIXING es GROOVE rk IR (receptor) 2

K - Q

KARAOKE PON ea MD (VIDEO) eg MIC jack wd MIC LEVEL ws MOVIE EQ ra MUSIC EQ el OPEN/CLOSE Z 6 P FILE rd PHONES (jack) w; PLAY MODE ed PICTURE EFFECT rg

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This section is extracted from instruction manual.

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R - Z

REC PAUSE/START qh

REPEAT qd SPECTRUM 8 SHUTTLE qa SURROUND SPEAKER MODE

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TAPE A/B eh TUNER/BAND ej TUNER MEMORY ed VOLUME qs

BUTTON DESCRIPTIONS

@/1 1 hH wf x qf X wj > qk . wk M/+ ql m/– wh v/V/b/B r;

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HCD-RV7/RV8

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HCD-RV7/RV8

Remote Control

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ALPHABETICAL ORDER A - D

ALBUM +/– ed CD rg CINEMA SPACE ws CLEAR qf CLOCK/TIMER SELECT 2

CLOCK/TIMER SET 3 D.SKIP qa DIMMER el DISPLAY ra

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EFFECT ON/OFF wa ENTER wk

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GAME rs GAME EQ wj GAME MIXING rd KARAOKE PON ql KEY CONTROL #/2 w; MD (VIDEO) rf MOVIE EQ wf MUSIC EQ wl

N - R

NEXT ej Numeric buttons q; ON SCREEN qd P FILE wg PICTURE EFFECT ea

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PLAY MODE es PRESET +/– ef PREV eh REPEAT qs RETURN O eg

S - Z

SELECT qg SLEEP 1 SPECIAL MENU ek SPECTRUM r; SURROUND SPEAKER MODE

e;

TAPE A/B 6 TUNER/BAND rh TUNING +/– qj TV CH +/– 8 TV @/1 4 TV VOL +/– 7 TV/VIDEO 9 VOL +/– wd

BUTTON DESCRIPTIONS

@/1 5 nN qg X qh x qk ./> ef m/M qj v/V/b/B wh

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–

123 456 789

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+–+

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+ –

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Setting the clock

1

Turn on the system.

2

Press CLOCK/TIMER SET on the remote.

When you set the time for the first time, proceed to step 5.

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Press V or v repeatedly to select CLOCK SET.

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Press ENTER.

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Press V or v repeatedly to set the hour.

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Press ENTER.

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Press V or v repeatedly to set the minute.

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Press ENTER.

The clock starts functioning.

Tip

If you have made a mistake or want to change the time, start over from step 2.

Note

The clock settings are canceled when you disconnect the power cord or if a power failure occurs.

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SECTION 3

DISASSEMBLY

• This set can be disassembled in the order shown below.

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3-1. DISASSEMBLY FLOW

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SET

3-2. TOP CASE

(Page 8)

3-3. LOADING PANEL

(Page 8)

3-4. CD MECHANISM DECK

(CDM58E-30BD62) (Page 9)

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HCD-RV7/RV8

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3-5. FRONT PANEL SECTION

(Page 9)

3-6. BACK PANEL SECTION

(Page 10)

13942296513

3-7. MAIN BOARD

(Page 10)

3-8. BU-30 (61) ASSY

(Page 11)

3-10.TAPE MECHANISM DECK

(TCM-230AWR41CS) (Page 12)

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3-11.BELT

(Page 12)

3-12.SW BOARD,

HEAD (A) BOARD AND HEAD (B) BOARD (Page 13)

3-9. DRIVER BOARD,

MOTOR BOARD, SENSOR (CD) BOARD AND VIDEO BOARD (Page 11)

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HCD-RV7/RV8

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

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3-2. TOP CASE

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side panel (L)

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two screws (case 3 TP2)

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top

case

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(BVTP 3

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two screws

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two screws

(BVTP 3

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screw (case 3TP2)

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3-3. LOADING PANEL

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four claws

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side panel (R)

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two

screws

(BVTP 3

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three screws (case 3 TP2

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10)

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Pull-out the disc table.

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loading panel

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–BOTTOM VIEW– CD mechanism deck (CDM58E-30BD62)

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Turn the pulley in the direction of the arrow.

Front panel side

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3-4. CD MECHANISM DECK (CDM58E-30BD62)

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CD mechanism deck (CDM58E-30BD62)

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connector

1

(

CN301)

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wire (flat type) (19 core)

HCD-RV7/RV8

2

8

(CN201

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screw (BVTP 3

× 10)

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3-5. FRONT PANEL SECTION

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connector

CN783)

(

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connector (

CN202)

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screw (BVTP 3

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× 10)

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four

(BVTP 3

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screws

× 10

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1

connector

CN401)

(

2

connector

CN781)

(

2

connector (

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connector (

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front panel section

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CN1)

CN2)

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wire (flat type) (17 core)

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(CN304)

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HCD-RV7/RV8

3-6. BACK PANEL SECTION

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connector (CN973)

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wire

(CN702)

1

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connector

4

screw

5

connector

×

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2

(BVTP 3

(flat type) (11core)

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(CN974)

10)

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(CN976)

(CN701)

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sensor board

back panel section

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two

(BVTP 3

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(BVTP 3

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screws

×

10)

five

screws

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four

(BVTP 3

2

×

10)

screws

×

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3-7. MAIN BOARD

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two

claws

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main board

claw

5

connector

3

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(CN891)

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3

connector

(HCD-RV8)

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(CN904)

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10

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two screws

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(BVTP 3

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×

10)

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main board

2

two

connectors

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(CN502, CN503)

3

connector

(HCD-RV8)

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(CN903

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3-8. BU-30 (61) ASSY

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qf

holder (BU) (BU-30) assy

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two insulators (BU-30)

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0

qa

BU-30 (61) assy

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qd

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two insulators (BU-30)

8

screws (DIA. 12)

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qs

screw (PTPWH M2.6)

HCD-RV7/RV8

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two stoppers (BU)

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two screws (BVTP 2.6

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BD board

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3-9. DRIVER BOARD, MOTOR BOARD, SENSOR (CD) BOARD AND VIDEO BOARD

qg

tray

qh

screw (BVTP 2.6

5

wire (flat type) (8 core)

(CN702)

Remove the four solders of sled motor and spindle motors.

qf

screw (PTPWH 2.6

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qd

×

8)

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3

×

8)

motor board

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×

8)

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two screws (BVTP 2.6

qa

wire (flat type) (8 core)

(CN721)

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Remove the two solderings of motor.

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qs

connector

2

wire (flat type) (16 core)

(CN102)

1

×

qj

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two

screws (PTPWH M2.6

wire (flat type) (28 core)

(CN101)

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2

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8)

(CN722)

sensor (CD)

board

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driver board

6

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crew (BVTP 2.6

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Pull out the disc table.

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1

wire (flat type) (28 core)

(CN101)

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2

two s

(BVTP 2.6

video board

m

crews

×

8)

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HCD-RV7/RV8

3-10. TAPE MECHANISM DECK (TCM-230AWR41CS)

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tape mechanism deck

(TCM-230AWR41CS)

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2

five

screws

(BVTP 2.6

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×

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two

screws

TEL

3-11. BELT

1

two

knobs (mic)

(P 2.6

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4

×

3)

belt

(capstan B)

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4

two

screws

(BVTP 2.6

7

3

belt

(capstan C)

6

×

3

2

two

(BVTP 2.6

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shield plate (TC

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game in board

8)

1

5

1

screws

5

2

motor assy

(M901)

×

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8)

9

8

(capstan

2

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(PS 2.6

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two

screws

×

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belt

(FR)

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belt

(FR)

c

4

o

belt

(capstan B)

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3-12. SW BOARD, HEAD (A) BOARD AND HEAD (B) BOARD

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2

five claws

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SW board

1

Remove the four solders.

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HCD-RV7/RV8

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head (A) board

4

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screw (PTT 2

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×

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4)

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head (B) board

screw (PTT 2

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6

×

1

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HCD-RV7/RV8

SECTION 4

TEST MODE

[GC TEST MODE]

• This mode is used to check the fluorescent indicator tube, LED,

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model, destination software version, volume, key and VACS level.

Procedure:

1. Press three b uttons x , [ENTER], and [DISC 2] simultaneously.

2. LEDs and fluorescent indicator tube are all turned on.

3. When you want to enter the software version display mode, press [DISC 1]. The model and destination are displayed.

4. Each time [DISC 1] is pressed, the display changes starting from MC version, GC version, CD version, CDDM version, CDMA version, CDMB version, BDA version, BDB version, ST version, T A version, TM version and TC version in this order , and returns to the MC version display.

5. When [DISC 3] is pressed while the version numbers are being

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displayed except model and destination, year, month and day of the software creation appear. When [DISC 3] is pressed again, the display returns to the software version display . When [DISC 1] is pressed while year, month and day of the software creation are being displayed, the year, month and day of creation of the software versions are displayed in the same order of version display.

6. Press [DISC 2] button, and the key check mode is activated.

7. In the key check mode, the fluorescent indicator tube displays “K0 V0”. Each time a button is pressed, “K” value increases. However, once a button is pressed, it is no longer taken into account. “V” value increases like 1, 2, 3 ... if rotating [VOLUME] knob in “+” direction, or it decreases like 0, 9, 8 ... if rotating in “–” direction.

8. Also when [DISC 3] is pressed after lighting of all LEDs and fluorescent indicator tubes, value of VACS level appears.

9. To release this mode, press three buttons in the same manner as step 1, or disconnect the power cord.

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[MC TEST MODE]

•This mode is used to check operations of the respective sections

of Amplifier, Tuner , and Tape.

Procedure:

* To enter MC Test Mode

1. Press three buttons of x , [ENTER] and [DISC 3] simultaneously.

2. The messages MUSIC, MOVIE, GAME and P FILE flash on the fluorescent indicator tube. The input FUNCTION is changed to VIDEO.

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* T ape function

1. When a tape is inserted in tape deck B and recording is started,

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the input source function selects VIDEO automatically.

[CD SYNC HI-DUB] button is pressed during recording

When in function, ALC is turned on.

2. When x button is pressed to stop recording, the tape deck B is selected and tape is rewound, tape is rew ound using – m button, tape is stops at around the record-starting position and playback of the recorded portion of the tape is started. If the [REC PAUSE/

START] button is pressed for a pause and pressed again to resume

recording, when tape deck B is rewound, tape deck B will be rewound until the position where the pause is applied.

3. When [CD SYNC HI-DUB] button is pressed during playback of tape deck B, either normal speed or high speed can be selected by this button.

* AMS Test Mode

1. Select the function “TAPE A” or “TAPE B”.

2. Select the loop and relay by pressing the [DIRECTION] button. Insert a test tape AMS-110A or AMS-120 to selected tape deck.

3. Press the [SPECTRUM] button to enter the AMS test mode.

4. After a tape is rewound first, the FF AMS is checked, and the mechanism is shut off after detecting the AMS signal twice.

5. Then the REW AMS is checked and the mechanism is shut off after detecting the AMS signal twice.

6. When the check is complete, a message of either OK or NG appears.

* To release MC Test mode.

1. To release this mode, press the ?/1 button.

2. The cold reset is enforced at the same time.

[COLD RESET]

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• The cold reset clears all data including preset data stored in the

RAM to initial conditions. Execute this mode when returning the set to the customer.

Procedure:

1. Press three buttons x , [ENTER], and ?/1 simultaneously.

2. The fluorescent indicator tube becomes blank instantaneously,

[VACS ON/OFF MODE]

•This mode is used to switch ON and OFF the VACS (Variable

Attenuation Control System).

7

3

and the set is reset.

8

6

3

9

1

5

2

1

5

4

0

9

8

9

8

2

4

2

9

8

9

2

9

TEL 13942296513 QQ 376315150 892498299

9

* Check of Amplifier

1. When v button is pressed, GEQ increases to its maximum and a message “GEQ MAX” appears.

2. When V button is pressed, GEQ decreases to its minimum and a message “GEQ MIN” appears.

3. When b or B button is pressed, GEQ is set to flat and a message “GEQ FLAT” appears.

4. When the [VOLUME] knob is turned clockwise even slightly, the sound volume increases to its maximum and a message “VOLUME MAX” appears for two seconds, then the display returns to the original display.

5. When the [VOLUME] knob is turned counter-clockwise even slightly, the sound volume decreases to its minimum and a message “VOLUME MIN” appears for two seconds, then the display returns to the original display.

* Check of clock frequency

1. To check the frequency of clock used to run the time in the unit, the clock output is available at IC501 pin el (CLOCK-OUT) on the MAIN board only during MC test mode.

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2. The frequency is 32.768 kHz or so.

14

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Procedure:

1. Press ?/1 button to turn the set ON.

2. Press the [ENTER] and [GAME MIXING] buttons simultaneously . The message “VACS OFF” or “VACS ON” appears.

[TUNER STEP CHANGE] (EXCEPT Saudi Arabia model)

•A step of AM channels can be changed o ver between 9 kHz and

10 kHz.

Procedure:

1. Press ?/1 button to turn the set ON.

2. Select the function “TUNER”, and press [TUNER/BAND] button to select the BAND “AM”.

3. Press ?/1 button to turn the set OFF.

4. Press [ENTER] and ?/1 buttons simultaneously, and the display of fluorescent indicator tube changes to “ AM 9k STEP” or “ AM 10k STEP”, and thus the channel step is c hanged ov er.

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HCD-RV7/RV8

[CD SERVICE MODE]

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TEL 13942296513 QQ 376315150 892498299

•This mode can run the CD sled motor freely. Use this mode, for

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instance, when cleaning the optical pick-up.

Procedure:

1. Press ?/1 button to turn the set ON.

2. Select the function “CD”.

3. Press three buttons x , [ENTER] , and [OPEN/CLOSE] simultaneously.

4. The CD service mode is selected.

5. With the CD in stop status, press M + button to move the optical pick-up to outside track, or press – m button to inside track.

6. To release this mode, press the ?/1 button.

[AGING MODE]

This mode can be used for operation check of CD section and tape deck section. CD section and tape deck section work in parallel.

• If an error occurred:

The aging operation stops only an error occurred sections and display then status.

• If no error occurs:

The aging operation continues repeatedly.

Procedure:

1. Press the ?/1 button to turn the power ON, and press the [CD] button to select the function “CD”.

2. Set discs on all trays, and set tapes into the decks A and B respectively.

3. Press the [PLAY MODE] button to set the “ALL DISCS” mode, and press the [REPEAT] button to “REPEAT” off.

4. Press three buttons of x , [ENTER], and [EX-CHANGE/DISC

SKIP] simultaneously.

5. Aging operations of CD and tape are started at the same time.

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6. To release this mode, press the power code to turn the power OFF.

1. Display at the Aging Mode

Display operating state of CD section and tape deck section alternately. If an error occurred, stop display which that section.

2. CD Section

The sequence during the aging mode is following as below. Display at the aging mode is the same as the normal operation.

3

7

6

3

1

13942296513

?/1 button or disconnect the

5

1

5

0

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Aging mode sequence (CD section) :

• Display at an error occurred (Error display mode)

Procedure:

7

3

1. Press three buttons of to enter the error display mode.

2. It displays of total error.

3. Each time the as below.

4. To clear the error record, operate the cold reset. (Refer to the “MC COLD RESET”)

5. To release this mode, press the ?/1 button or disconnect the power plug to turn the power OFF.

2

9

8

Start (from disc 1)

Disc chucking

TOC read

Play first track for 2 seconds

Play last track for 2 seconds

EX-change open/close

Open the disc tray

Disc skip

Close the tray

Change the next disc.

0

5

1

5

1

3

6

–

m

x , [ENTER], and [DISC 1] simultaneously

–

m or M

Display of total error

Button

4

2

9

+

2

8

Button

9

8

9

4

2

9

8

+

button is pressed, display change

M

9

TEL 13942296513 QQ 376315150 892498299

9

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3

.

Display of Mechanical errors

–

m

Button

Display of no disc errors

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M

+

Button

15

HCD-RV7/RV8

1) Display of total error

7

Q

EMC**: The number of mechanical error. EDC**: The number of no disc error after chucking the disc.

2) Display of mechanical errors

TEL 13942296513 QQ 376315150 892498299

M*: The number of mechanical error (“00” is latest one)

(Press the . or > button to changes next error display)

$$: Not used %%: Loading error (Second figure is not used)

D: The error in the midst of close at the except mechanical

trouble.

E: The error in the midst of open at the except mechanical

trouble.

C: The error in the midst of chucking up at the except

mechanical trouble.

F: The error in the midst of chucking down at the except

mechanical trouble.

&&: Loading error

01: The error in the midst of chucking up. 02: The error in the midst of chucking down. 03: Time-out of EX-open.

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05: Time-out of EX-close.

##: Not used

3) Display of no disc errors

3

13942296513

6

Display

EMC**EDC**

Display

M*$$%%&&##00

Display

D*$$%%&&##00

3

1

5

1

5

3. Tape Deck Section

The sequence during the aging mode is following as below.

0

If an error occurred, stop display that step.

Aging mode sequence (Tape deck section) :

Rewind the tape A and B

FWD play the tape A

Fast forward the tape A

REV play the tape A

Rewind the tape A

FWD play the tape B

7

3

Q

Fast forward the tape B

REV play the tape B

9

8

“TAPE A AG-1”

Shut off

“TAPE A AG-2”

2 minutes

“TAPE A AG-3”

Shut off or 20 seconds

“TAPE A AG-4”

2 minutes

“TAPE A AG-5”

Shut off

“TAPE B AG-2”

2 minutes

5

1

3

6

“TAPE B AG-3”

Shut off or 20 seconds

“TAPE B AG-4”

2 minutes

2

1

5

4

0

9

8

9

8

2

4

2

9

8

9

2

9

TEL 13942296513 QQ 376315150 892498299

9

D*: The number of mechanical error(“00” is latest one)

(Press the

$$: Error type

01: Focus error 02: GFS error 03: Set up error

%%: Not used &&:

00: No disc judgment without chucking retry. 01: No disc judgment after chucking retry.

##: The state when judged no disc error

01: Stop 02: Set up 03: TOC read 04: Access 05: Play 06: Pause 07: Manual search (Play) 08: Manual search (Pause)

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16

. or > button to changes next error display)

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Rewind the tape B

“TAPE B AG-5”

Note: “TAPE * AG-*” is display of each step.

[CD REPEAT 5 LIMIT OFF MODE]

Number of repeat for CD playback is 5 times when the repeat mode is “REPEA T”. This mode enables CD to repeat playback for limitless times.

Procedure:

1. Press the ?/1 button to turn the power on, and press the [CD] button to select the function “CD”.

2. Press three b uttons of x , [REPEAT], and [CD] simultaneously to enter the CD repeat 5 limit off mode and display “REPEAT OFF”.

3. To release this mode, operate the cold reset. (Refer to the “MC COLD RESET”)

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3

.

Shut off

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[CD SHIP MODE (MEMORY CLEAR) ]

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TEL 13942296513 QQ 376315150 892498299

•This mode moves the optical pick-up to the position durable to

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vibration. Use this mode when returning the set to the customer after repair.

Procedure:

1. Set to the standby state.

2. Press three buttons x , [ENTER] and [GAME] simultaneously.

3. After the “STANDBY” display blinks, a message “LOCK” is displayed on the fluorescent indicator tube, and the CD ship mode is set.

[CD SHIP MODE (NO MEMORY CLEAR) ]

•This mode moves the optical pick-up to the position durable to

vibration. Use this mode when returning the set to the customer after repair.

Procedure:

1. Set to the standby state.

2. Press the [CD] and ?/1 buttons simultaneously.

3. After the “STANDBY” display blinks, a message “LOCK” is displayed on the fluorescent indicator tube, and the CD ship mode is set.

3

7

6

3

1

5

1

5

0

8

9

2

4

9

HCD-RV7/RV8

2

8

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TEL 13942296513 QQ 376315150 892498299

[VCD COLOR SYSTEM MODE ]

•The color system can be changed over PAL, AUTO or NTSC.

Procedure:

1. Set to the standby state.

2. Press the [MUSIC EQ] and ?/1 buttons simultaneously to change the color system to P AL, and a message “COLOR P AL” is displayed on the fluorescent indicator tube.

3. Press the [MOVIE EQ] and ?/1 buttons simultaneously to change the color system to AUTO, and a message “COLOR AUTO” is displayed on the fluorescent indicator tube.

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13942296513

4. Press the the color system to NTSC, and a message “COLOR NTSC” is displayed on the fluorescent indicator tube.

[CD TRAY LOCK MODE ]

• This mode is used to lock the CD tray of display set in the shop

to prevent demo discs being stolen.

Procedure:

1. Press ?/1 button to turn the set ON.

2. Select the function “CD”, then press the x and [OPEN/CLOSE] buttons simultaneously for five seconds.

3. The message “LOCKED” is displayed on the fluorescent indicator tube, and the tray is locked.

4. To release from this mode, press the x and [OPEN/CLOSE] buttons simultaneously for five seconds again.

5. The message “UNLOCKED” is displayed on the fluorescent indicator tube, and the tray is unlocked.

[GAME EQ] and ?/1 buttons simultaneously to change

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3

7

6

3

1

5

1

5

0

8

9

2

4

9

8

2

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HCD-RV7/RV8

SECTION 5

MECHANICAL ADJUSTMENTS

SECTION 6

ELECTRICAL ADJUSTMENTS

PRECAUTION

1. Clean the following parts with a denatured alcohol-moistened

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swab: record/playback heads pinch rollers erase head rubber belts capstan idlers

2. Demagnetize the record/playback head with a head demagnetizer.

3. Do not use a magnetized screwdriver for the adjustments.

4. After the adjustments, apply suitable locking compound to the parts adjusted.

5. The adjustments should be performed with the rated power supply voltage unless otherwise noted.

TORQUE MEASUREMENT

TEL 13942296513 QQ 376315150 892498299

Mode Torque meter

FWD

FWD back tension

REV

REV back tension

FF/REW

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FWD tension

REV tension

7

3

6

CQ-102C

CQ-102RC

CQ-201B

13942296513

CQ-403A

CQ-403R

1

3

Meter reading

3.06 N • m to 6.96 N • m 31 to 71 g • cm

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

3.06 N • m to 6.96 N • m 31 to 71 g • cm

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

6.96 N • m to 14.02 N • m 71 to 143 g • cm

(0.98 – 1.99 oz • inch)

9.80 N • m

100 g or more

(3.53 oz or more)

9.80 N • m

100 g or more

(3.53 oz or more)

5

1

5

DECK SECTION

0

1. Demagnetize the record/playback head with a head demagnetizer.

2. Do not use a magnetized screwdriver for the adjustments.

3. After the adjustments, apply suitable locking compound to the parts adjust.

4. The adjustments should be performed with the rated power supply voltage unless otherwise noted.

5. The adjustments should be performed in the order gi v en in this service manual. (As a general rule, playback circuit adjustment should be completed before performing recording circuit adjustment.)

6. The adjustments should be performed for both L-CH and RCH.

7. Switches and controls should be set as follo ws unless otherwise specified.

•Test Tape

Tape Signal Used for

P-4-A100 10 kHz, –10 dB Azimuth Adjustment

WS-48B 3 kHz, 0 dB Tape Speed Adjustment

RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT

DECK A DECK B

Note: Perform this adjustments for both decks

Procedure:

1. Mode: Playback

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7

3

test tape P-4-A100 (10 kHz, –10 dB)

8

6

3

0 dB=0.775 V

9

5

1

set

4

2

0

5

1

MAIN board CN301 Pin

1

(L-CH)

3

(R-CH)

MAIN board CN301

2

(GND)

9

8

level meter

2

+ –

8

4

2

9

8

9

2

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TEL 13942296513 QQ 376315150 892498299

9

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HCD-RV7/RV8

2. T urn the adjustment screw and check output peaks. If the peaks

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TEL 13942296513 QQ 376315150 892498299

do not match for L-CH and R-CH, turn the adjustment screw

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so that outputs match within 1dB of peak.

Screw position

3. Mode: Playback

TEL

7

3

L-CH peak

test tape P-4-A100 (10 kHz, –10 dB)

13942296513

6

Output level

R-CH peak

L-CH

MAIN board CN301 set

R-CH

waveform of oscilloscope

in phase 45°90°135°180

3

within 1dB

L-CH peak

L

R

good

1

3

1

2

5

R-CH peak

wrong

1

oscilloscop

H

V

°

5

within 1dB

Screw position

0

Q

TAPE SPEED ADJUSTMENT DECK B

Note: Start the Tape Speed adjustment as below after setting to the test

Procedure:

1. Press ?/1 button to turn the set ON.

2. Press three buttons x , [ENTER] and [DISC 3] simultaneously. To release from the test mode, press the ?/1 button.

Mode: Playback

1. Insert the WS-48B into the deck B.

2. Press the hH button on the deck B.

3. Press the [CD SYNC HI-DUB] button in playback mode. Then at HIGH speed mode.

4. Adjust R V1001 on the SW board so that frequenc y counter reads 6,000 ± 180 Hz.

5. Press the [CD SYNC HI-DUB] button. Then back to NORMAL speed mode.

6. Adjust R V1002 on the SW board so that frequenc y counter reads 3,000 ± 90 Hz.

Adjustment Location: SW board

7

3

Sample Value of Wow and Flutter: 0.3% or less W. RMS (JIS)

4

2

9

8

mode. In the test mode, the tape speed is high during pressing the

[CD SYNC HI-DUB] button.

test tape WS-48B (3 kHz, 0 dB)

set

0

5

1

5

1

3

6

9

MAIN board CN301

1

(L-CH)

3

(R-CH)

MAIN board CN301 Pin

9

8

2

(WS-48B)

2

9

8

9

2

9

8

frequency counter

+ –

(GND)

4

9

TEL 13942296513 QQ 376315150 892498299

4. After the adjustments, apply suitable locking compound to the pats adjusted.

Adjustment Location: Playback Head (Deck A).

Record/Playback/Erase Head (Deck B).

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reverse

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HCD-RV7/RV8

REC BIAS ADJUSTMENT DECK B

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Procedure:

In the MC test mode, the “REC memory mode” is convenient for this adjustment. In the “REC memory mode” , when the REC starts the input signal FUNCTION is switched to VIDEO automatically. When the REC stops, the tape returns near to the recording start position.

1. Press MD (VIDEO) button to select VIDEO. (This step is not necessary if the above test mode has already been set)

2. Insert a tape into deck B.

3. After press [REC PAUSE/START] button, press [REC PAUSE/

START] button, then recording start.

4. Mode: Record

TEL 13942296513 QQ 376315150 892498299

AF OSC

5. Mode: Playback

recorded portion

TEL

7

3

MAIN board MD/VIDEO (AUDIO) IN (J750)

1) 315 Hz

2) 10 kHz

attenuator

13942296513

6



50 mV (–23.8 dB)

 

600

MAIN board CN301

1

3

set

MAIN board CN301 Pin

Ω

(L-CH) (R-CH)

3

2

(GND)

1

set

level meter

+ –

5

blank tape CN-123

1

5

4. Mode: Record

0

AF OSC

attenuator

5. Mode: Playback

recorded portion

6. Confirm the play back signal recorded in step 3 becomes adjustable level as follows. If these levels are not adjustable level, adjust the RV301 (LCH) and RV351 (R-CH) on the MAIN board to repeat steps 4 and 5.

Adjustable level:

CN301 PB level: 47.2 to 53.0 mV (–24.3 to –23.3 dB) Adjustment Location: MAIN board

– SW BOARD (Component Side) –

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TAPE SPEED

ADJUSTMENT



(NORMAL) (HIGH)

3

7

4

2

9

8

MAIN board MD/VIDEO (AUDIO) IN (J750) 315 Hz, 50 mV (–23.8 dB)

Ω

600

set

MAIN board

6

3



CN301 Pin Pin

set

MAIN board CN301 Pin

5

1

1 3

1

(L-CH) (R-CH)

5

2

0

level meter

(GND)

8

9

+ –

9

8

2

blank tape CS-123

9

4

8

9

2

9

TEL 13942296513 QQ 376315150 892498299

9

6. Confirm the playback signal recorded in step 3 becomes adjustable level as follows. If these levels are not adjustable level, adjust the RV304 (LCH) and R V354 (R-CH) on the MAIN board to repeat steps 4 and 5.

Adjustable level: Playback output of 315 Hz to playback output

of 10 kHz: ±1.0 dB

Adjustment Location: MAIN board

REC LEVEL ADJUSTMENT DECK B

Procedure:

In the MC test mode, the “REC memory mode” is convenient for this adjustment. In the “REC memory mode” , when the REC starts the input signal FUNCTION is switched to VIDEO automatically. When the REC stops, the tape returns near to the recording start position.

1. Press MD (VIDEO) button to select VIDEO. (This step is not necessary if the above test mode has already been set)

2. Insert a tape into deck B.

3. After press [REC PAUSE/START] button, press [REC PAUSE/

START] button, then recording start.

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RV1002

– MAIN BOARD (Component Side) –

u

1

6

RV1001

3

.

CN1001

CN301

31

(R-CH)

RV351

RV304 RV354

(L-CH)



REC BIAS ADJUSTMENT

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REC LEVEL

ADJUSTMENT





(L-CH)

RV301

(R-CH)











20

)

p

VIDEO board

TP70 (54 MHz)

TP182 (4.2336 MHz)

+ –

frequency counter

HCD-RV7/RV8

CD SECTION VIDEO SECTION

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Note:

1. CD Block is basically designed to operate without adjustment. Therefore,

2. Use LUV-P01 (Part No. 4-999-032-01) unless otherwise indicated.

3. Use an oscilloscope with more than 10MΩ impedance.

4. Clean the object lens by an applicator with neutral detergent when the

S-CURVE CHECK

TEL 13942296513 QQ 376315150 892498299

Procedure :

1. Connect an oscilloscope to TP68 (FE) and TP73 (DVC) on the

2. Turn the power ON.

3. Load a disc (LUV-P01) and actuate the focus search. (In

4. Confirm that the oscilloscope waveform (S-curve) is

Note: •Try to measure several times to make sure than the ratio

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check each item in order given.

signal level is low than specified value with the following checks.

TP73 (DVC)

BD board.

consequence of open and close the disc tray, actuate the focus search)

symmetrical between A and B. And confirm peak to peak level within 2 ± 0.5 Vp-p.

S-curve waveform

T

E

L

of A : B or B : A is more than 10 : 7.

•Take sweep time as long as possible and light up the brightness to obtain best waveform.

3

BD board TP68 (FE)

1

7

oscilloscope

+ –

symmetry

3

9

A

within 2

B

4

6

2

±

0.5Vp-

2

Note: Clear RF signal waveform means that the shape “ ◊ ” can be clearly

3

9

1

TRAVERSE LEVEL CHECK

Procedure :

1. Connect an oscilloscope to TP70 (TE) and TP73 (DVC) on the BD board.

2. Turn the power ON.

3. Load a disc (LUV-P01) and playback the number nine track.

4. Press the hH button. (Becomes the 1 track jump mode.)

5. Confirm that the level B and A (DC voltage) on the oscilloscope waveform.

1 track jump waveform

6

DVC

Connecting Location:

distinguished at the center of the waveform.

5

RF signal waveform

BD board TP70 (TE)

TP73 (DVC)

1

3

level=1.2 ±0.55Vp-p

1

VOLT/DIV : 200mV TIME/DIV : 500ns

5

level : 0.75

1.05 ±0.3Vp-p (RFAC)

oscilloscope

+ –

B

symmetry

0

±

0.1Vp-p (RFDC

center of waveform

A (DC voltage

Q

2

+ –

level meter

+ –

5

1

9

oscilloscope

5

VIDEO LEVEL ADJUSTMENT (AUDIO LEVEL/VIDEO CLOCK/AUDIO SERVO CLOCK CHECK)

Procedure :

1. Connect an oscilloscope to TP308 (V-OUT) on the VIDEO board.

2. Connect a level meter to TP415 (L-OUT) and TP413 (R-OUT) on the VIDEO board.

3. Connect a frequency counter to TP70 (54 MHz) and TP182

3. Turn the power ON.

4. Set a test disc (HLV-402 (Part No. 8-909-870-00))

5. Press three buttons x , [ENTER], and [OPEN/CLOSE]

6. The message “MPEG A V TEST” is displayed on the fluorescent

7. Adjust the RV501 on the VIDEO board for 0.714 ± 0.05 Vp-p.

Note: TP308 (V-OUT) on the VIDEO board must be teminated by 75 Ω.

7

3

(4.2336 MHz) on the VIDEO board.

simultaneously.

indicator tube. Color bar signal outputs and sine-wave (1 kHz 0dB) appears.

8

VIDEO board

TP308 (V-OUT)

VIDEO board

TP415 (L-OUT)

TP413 (R-OUT)

3

6

4

0

Connecting and Adjustment Location:

TP182

9

2

TP413

(R-OUT)

8

2

8

TP70

(54 MHz)

(4.2336 MHz)

TP415

(L-OUT)

4

9

– VIDEO BOARD (Component Side) –

9

8

TP308

(V-OUT)

2

9

RV501

Video

Level

Adjustment

9

TEL 13942296513 QQ 376315150 892498299

RF LEVEL CHECK

BD board

TP71 (RFDC)

TP72 (RFAC)

TP73 (DVC)

Procedure :

1. Connect an oscilloscope CH1 to TP71 (RFDC), CH2 to TP72 (RFAC) and TP73 (DVC) on the BD board.

2. Turn the power ON.

3. Load a disc (LUV-P01) and playback the number nine track.

4. Confirm that oscilloscope waveform is clear and check if RF signal level is correct or not.

w

oscilloscope

w

+ –

.

x

– BD BOARD (Conductor Side) –

TP68

(FE)

TP72

(RFAC)

i

a

TP70

(TE)

o

TP73

(DVC)

y

TP71

(RFDC)

u

1

0.714 ± 0.05 Vp-p

8. Confirm that the value of level meter is 2.5 ± 2.0 dBs. (If audio output disappear, press the [PLAY MODE] button twice)

9. Confirm that the value of frequency counter is 54 MHz ± 400 Hz.

10. Confirm that the value of frequency counter is 4,2336 MHz.

11. Change disc to a MP3 test disc (MP3 1kHz 0dB sine-wave is recorded)

12. Confirm that the value of level meter is 2.4 ± 2.0 dBs.

6

3

2121

.

c

o

m

HCD-RV7/RV8

SECTION 7 DIAGRAMS

7-1. BLOCK DIAGRAM – CD SERVO Section –

Q

3

DETECTOR

TEL 13942296513 QQ 376315150 892498299

OPTICAL PICK-UP

BLOCK

(A-MAX. 3)

LASER DIODE

LD

PD

7

6

7

8

9

11

10

AUTOMATIC

POWER

CONTROL

Q101

6

A

B

C

D

F

E

F I-V AMP

E I-V AMP

LD

1

3

SUMMING

1

FOCUS/TRACKING ERROR AMP

RF

AMP

FOCUS

ERROR AMP

RF DC

AMP

TRACKING

ERROR AMP

APC LD

AMP

AC

SUM

RFDCO

RFDCI

SW

RF AMP,

IC103

FE

FEI

TE

PD

4

16

17

28

29

18

12

2

5

1

EQ IN

RFAC

3

VCA

5

SELECT SWITCH

26

RFC

RFAC

EQ

D/A1

D/A3

D/A4

D/A2

FREQUENCY

Q102

15

0

8

FILTER

171

168 170

RFAC

173

FE

164

RFDC

160

TE

162

SE

163

MDP

SFDR

SRDR

133

137 138 140

FILO

DIGITAL SIGNAL PROCESSOR,

DIGITAL SERVO PROCESSOR

IC505 (1/2)

TFDR

TRDR

FFDR

141

142

143

PCO

FRDR

CLTV

135

169

SSTP

FILI

XTAO

150 149

X501

33.8688MHz

9

XTSL

PCMD

BCK LRCK C2PO

DATA

CLOK

XLAT SENS SCOR

SQSO

L SQCK

L SCLK

GFS

L FOK

L CDXRST

XTAI

TBL-SENS

2

189

91 93 88

124

102 111 109 113 126

96

98 114 121 131 105

49

4

DATA

BCK LRCK C2PO

DATA CLOK XLAT SENS SCOR SQSO SQCK SCLK

GFS

FOK XRST

DISC TRAY

STATUS SENSOR

IC711

9

8

2

DATA, CLOK, XLAT, SENS,

SCOR, SQSO, SQCK,

SCLK, GFS, FOK, XRST

• R-ch is omitted due to same as L-ch.

• SIGNAL PATH : CD PLAY

CONT

DATA, BCK,

LRCK, C2PO

9

A

B

C

(Page 23)

9

TEL 13942296513 QQ 376315150 892498299

T

E

L

(TRACKING)

(FOCUS)

ON :

1

2-AXIS

DEVICE

(LIMIT) When the optical pick-up is inner position

3

9

M101

(SPINDLE)

M102

(SLED)

FOCUS/TRACKING COIL DRIVE,

4

M

SPINDLE/SLED MOTOR DRIVE

2

9

IC102

VO4+

5

VO4–

10

VO3+

1

VO3–

2

VO2+

56

VO2–

55

VO1+

47

VO1–

52

MOTOR

DRIVE

MOTOR

DRIVE

COIL

DRIVE

COIL

DRIVE

8

STBY

6

IN4

IN3+

IN3–

IN2+

IN2–

IN1+

IN1–

5

23

27

26

32

31

35

34

1

3

Q

3

7

6

BU UP/DOWN-SW

1

3

CLOSE-SW 47

SYSTEM CONTROLLER

(CD MECHANISM CONTROL)

IC501 (1/4)

SYSRST

43

1

5

OPEN-SW 46

LOAD-OUT 45

LOAD-IN

SHARPNESS HUE

48

44

D/A1 D/A2 D/A3 D/A4

5

OPEN

CLOSE

0

TURN MOTOR

FIN

7

RIN

9

3

AO3

5

AO4 AO5

6

CONVERTER

9

AO6

13

AO1 AO2

2

S711 OPTICAL PICK-UP UP/DOWN DETECT

9

8

S701

DISC TRAY OPEN/CLOSE

DETECT

DRIVER

IC701

DRIVE

D/A

IC506

4

OUT2 OUT1

DI

CLK

LD

RST

MOTOR

9

2

8

9

4

2

DATA

CLK

M721

M

(TURN)

DATA, CLK, LD

LD

SYSRST

SHARPNESS, HUE

D

E

F

(Page 23)

2 4

12 11 10

w

.

x

i

a

o

y

u

1

6

2222

3

.

c

o

m

7-2. BLOCK DIAGRAM – AUDIO/VIDEO CD Section –

Q

(Page 22)

Q

CONT

A

DATA, BCK, LRCK, C2PO

B

DATA, CLOK, XLAT, SENS, SCOR, SQSO, SQCK, SCLK, GFS, FOK, XRST

C

3

TEL 13942296513 QQ 376315150 892498299

(Page 22)

SYSRST

E

7

DATA BCK LRCK C2PO

DATA CLOK XLAT SENS SCOR SQSO SQCK SCLK GFS FOK XRST

6

24

90 92 87 123

103 110 108 112 125 95 99 115 120 132 106

81

3

GPIO9

L CDDATA L CDBCK L CDLRCK L CDC2PO

L DDAT L DCLK L XLAT L SENS L SCOR L SQSO SQCK SCLK L GFS FOK XRST

SYSRST

DRADR0 – DRADR10

34 – 37, 39 – 45 49 – 56, 59 – 66

1

5

DRDAT0 – DRDAT15

1

MPEG VIDEO/AUDIO DECODER,

VIDEO SIGNAL ENCODER

IC505 (2/2)

CLKB

CLKA

NVOEL

207 206

741873 72 68

5

DRRAS

DRWEL

DRCAS

DRBS

DRCK

70 76 77 78

0

DRDQM1

DRDQM0

GPIO0

13 14

GPIO1

GPIO5

GPIO2

15 19 18 16

AUDDTO0

AUDBCK

AUDLRCK

AUDXCLKO

GPIO14 GPIO13 GPIO11 GPIO12

CPSIG

CSIG

GPIO3

GPIO4

VRF

HCD-RV7/RV8

2

DIGITAL FILTER, D/A CONVERTER

VDD

5

IC504

+3.3V

REGULATOR

Q581

CLK

DATA

9

2 1 3

16

13 14 15

DATA BCK LRCK

MLCK

DATA CLK LAT

8

201 203 204

205

30 29 26 28

RV501

3

6

7

VIDEO LEVEL

LD

4

Y AMP

IC304

6

VCC

VOUTL

VOUTR

CD D+5V, CD A+5V

9

7

8

LOW-PASS

FILER IC102

• R-ch is omitted due to same as L-ch.

• SIGNAL PATH

2

CD L-CH

R-CH

: CD PLAY (AUDIO)

: CD PLAY (VIDEO) : GAME INPUT (VIDEO)

DATA, CLK, LD

9

G

D

(Page 25)

(Page 22)

9

TEL 13942296513 QQ 376315150 892498299

T

A0 – A10

E

L

23 – 26, 29 – 34, 22

A0 – A10

D-RAM

IC507

D0 – D15

1

3

DQ0 – DQ15

BA0

CLK

3815

CAS

9

RAS

161720

2, 4, 5, 7, 8, 10, 11, 13, 42,

44, 45, 47, 48, 50, 51, 53

LDQM

UDQM

39

WE

4

ADDRESS BUS

DATA BUS

2

12 – 5, 27, 26, 31

PROGRAM ROM

A0 – A10

2

A0 – A9, A18

IC508

9

A0 – A10

6

D0 – D7

5

13 – 15, 17 – 21

DQ0 – DQ7

D0 – D15

1

3

23, 25, 4, 28, 29, 3, 2, 30

A10 – A17

X502

27MHz

D8 – D15

OE

24

SDO

Q

SDI

SCK

SCS

Q

SOK

SRQ

3

J601(1/2)

GAME INPUT VIDEO

7

6

B.P.F.

3

SYNC

SEPARATOR

IC301

VIDEO AMP

IC307

BUF

8

IN

SYNC BUFFER

Q301

1

BUF

1

OUT

1

5

C SYNC BUFFER

IC302

STBY

2

VIDEO MUTING

CONTROL SWITCH

Q370

Y SYNC BUFFER

10

VIN

CONT IN

C AMP

IC303

1

VIN

BGP8TINT

0

5

3

IN

OUT

OUTSAG

5

6 5

1

VOUT

5

6

VOUT

8

SHARPNESS

9

HUE

1

3

Q302

2

VIDEO SELECT SWITCH,

VIDEO AMP

IC781

VIN1

VIN2

SW1

2

4

VOUT

9

+

7

8

SHARPNESS,

2

HUE

J401

VIDEO OUT

V SW

9

F

H

9

(Page 22)

(Page 25)

w

.

x

i

a

o

y

u

1

6

2323

3

.

c

o

m

V MUTE

SDO, SDI, SCK, SCS, SOK, SRQ

J

K

(Page 25)

HCD-RV7/RV8

7-3. BLOCK DIAGRAM – TUNER/TAPE DECK Section –

FM 75Ω

Q

AM

Q

ANTENNA

FM ANT

ANT GND

AM ANT

ANT GND

3

TUNER UNIT

L-CH

R-CH

ST-DOUT

ST-DIN

ST-CLK

ST-CE

ST-MUTE

TUNED

STEREO

7

6

R-CH

DI

DO

CLK

CE

MUTING

TUNED

STEREO

3

1

5

1

DECK A/B SELECT SWITCH,

PB EQ AMP

IC301 (1/2)

5

0

8

9

2

4

9

8

2

9

TUNER

L-CH

L

9

(Page 25)

TEL 13942296513 QQ 376315150 892498299

L-CH

HP901

(PB)

R-CH

L-CH

R-CH

HRPE901

(REC/PB/ERASE)

RV354

REC BIAS (R)

(DECK B)

T

M901

(CAPSTAN)

E

R-CH

L

MM

RV1002

TAPE SPEED

(NORMAL)

1

RV304

REC BIAS (L)

(DECK B)

BIAS OSC

T301

BIAS OSC

Q302, 303

CAPSTAN

MOTOR DRIVE

Q396, 397

CAPSTAN MOTOR

CONTROL SWITCH

Q1001

R-CH R-CH

2

3

BIAS TRAP

Q301, 307, 310

RV1001

TAPE SPEED

13

9

REC BIAS

SWITCH

Q395

(HIGH)

REC/PB SWITCHING

IC302

4

2

TC +10V

4

REC/PB

SWITCHING

Q304, 305

2

9

65 BIAS

55 CAPM-CNT1

54 CAPM-H/L

D +3.3V

6

69

TC-RELAY

A-PLAY

56

S1001

(DECK A PLAY)

5

DI

DO

25

23

27

ST-DIN

ST-DOUT

(DECK B PLAY)

CLK

ST-CLK

S1002

1

CE

22

57

MUTING

21

ST-CE

ST-MUTE

B-PLAY

3

TUNED

STEREO

3

2

TUNED

32

34

STEREO

AIN1

BIN1

REC EQ AMP, ALC

RECOUT1

21

ALC ON/OFF

11

68

ALC

S1003

(DECK A HALF)

REC MUTE ON/OFF

15 13 12 14

A/B

REC MUTE

IC301 (2/2)

EQ

R-CH

A-HALF

70

D +3.3V

EQOUT1

A/B

NORMAL/HIGH SPEED

MUTE ON/OFF

NOR/HIGH

ALC

R-CH

S1006

(DECK B HALF)

S1009

(DECK B REC)

28 27

+

R-CH

Q

REC-IN1

24

ALC1

23

B-HALF

91

D +3.3V

S1005

(DECK A REC)

TAI1

3

RV301

REC LEVEL (L)

(DECK B)

ROTATION

DETECT SENSOR

(DECK A)

IC1001

MUTE

SYSTEM CONTROLLER

(CD MECHANISM CONTROL)

A-SHUT

89

7

PB-OUT1

6

A/B

NOR/HIGH

REC MUTE

PB-A/B

REC-MUTE

IC501 (2/4)

3

EQ-H/N

ROTATION

DETECT SENSOR

(DECK B)

IC1002

26

MUTING

Q306

MUTING CONTROL

SWITCH

Q389

1

58 5361 67 66

TC-MUTE

B-SHUT

90

LOW-PASS

FILTER

IC303

1

5

PM901

TRIGGER PLUNGER

(DECK A)

Q390, 398, 399

0

5

A-TRIG

51

TRIGGER

PLUNGER DRIVE

(DECK A)

Q393, 394

BUFFER

9

8

AMS-IN

B-TRIG

52

TRIGGER

PLUNGER DRIVE

(DECK B)

Q391, 392

4

2

PM902

TRIGGER PLUNGER

(DECK B)

TAPE

L-CH

• R-ch is omitted due to same as L-ch.

• SIGNAL PATH

: TUNER (FM/AM)

: TAPE PLAY (DECK A)

: TAPE PLAY (DECK B)

: REC

9

2

8

9

L-CH

REC

M

N

(Page 25)

9

(Page 25)

TEL 13942296513 QQ 376315150 892498299

w

.

x

i

a

o

y

u

1

6

2424

3

.

c

o

m

7-4. BLOCK DIAGRAM – MAIN Section –

HCD-RV7/RV8

SURROUND SIGNAL

PROCESSOR

IC181

6 4 5 3

7

RV721

ECHO LEVEL

3

MIC

Q721

7

10

L-OUT

IND1 INB1 INC1 INA1

INEX1

9

BP/SR

2

1

SUR2

SUR1

INPUT

SELECT

SWITCH

MIC AMP

IC722 (2/2)

6

L-IN

CONT23CONT3

SUR3

42

SUR1

MIC

2

4

.

7

RECB1

SOUND

CONTROL

CIRCUIT

2

8

+

SAOUT

19

3

R-CH

TOUT1

2

x

R-CH

SWOUT

24

9

CN101

1

7

5

4

6

2

3

R-CH

1

RV722

MIC LEVEL

CONTROL

A +10V

w

Q

(Page 24)

TEL 13942296513 QQ 376315150 892498299

(Page 23)

(Page 24)

(Page 26)

(Page 23)

Q

N

MD/VIDEO (AUDIO) IN

G

L

M

GAME INPUT AUDIO

T

J721

MIC

P

K

J

H

SW-SOLID-LED

SW-LINK-LED

SW-MTRX-SURR-LED

SW-WIDE-LED

w

(RV8)

REC L-CH

J750

L

R

CD L-CH

TUNER L-CH

TAPE L-CH

J601 (2/2)

L

R

DIGITAL

ECHO IC721

MIC AMP

E

L

IC722 (1/2)

SPEANA

SDO, SDI, SCK, SCS, SOK, SRQ

V MUTE

V SW

SYSTEM CONTROL

(TO SS-WGV8)

AD-KEY

w

VOLUME

1

INPUT SELECT SWITCH,

ELECTRICAL VOLUME

VOLIN1

15

14

6

SDO SDI SCK SCS SOK SRQ

IC901 (2/2)

i

TONE CONTROL,

BUFFER

5

IC102

R-CH

VOLUME

CONTROL

R-CH

5

1

SYSTEM CONTROLLER

(CD MECHANISM CONTROL)

35

SYSOUT

36

SYSIN

37

SYSCLK

19

SYSCS

32

SYSOK

40

SYSRQ

33 VIDEO MUTE

VIDEO-OUT

76

GAME/VCD

94 SW-AD-KEY

59 SW-ON-LED

71 SW-LINK-LED

SW-MATRIX-

72

SURR-1-LED SW-MATRIX-

60

SURR-2-LED

LOW-PASS

IC901 (1/2)

a

+

3

IC501 (3/4)

FILTER

o

1716

BB B1

BB A1

CPU

INTERFACE

DATA

CLOCK

2221

81 82

GEQ DATA

AUDIO-OUT

1

OUT1

GEQ CLK

ON/OFF

2

ELECTRICAL VOLUME

y

18

SUR1

5SUR1

SUR2

6SUR2

SUR3

7SUR3

77

88PROTECTOR

87FRONT-RELAY

83STK-MUTE

78HP MUTE 79HP-DETECT 86LINK-RELAY 97SW RELAY

80LINE-MUTE

5

MUTING CONTROL

4

LINE AMP,

IC902

FEED BACK

SWITCH

Q101

MUTING

Q103

SWITCH

Q504, 505

7

u

0

R-CH

VOLUME

CONTROL

8

R-CH

Q

1

D841

POWER AMP

IC501

STANDBY

SWITCH

Q503, 504, 581

Q

9

6

+

OVER LOAD

DETECT

Q501, 551

+

TEMPERATURE

DETECT SWITCH

Q505, 506

TH701

D502

3

DETECT SWITCH

7

FAN MOTOR ON SWITCH

Q831

LINE AMP

IC903 (1/2)

AGC

Q905

3

DC DETECT

SWITCH

Q507, 508

OVER LOAD

Q509

6

.

AUDO OUT

ON/OFF SWITCH

8

3

AUDIO OUT

ON/OFF SWITCH

+

DETECT SWITCH

1

3

PROTECT SWITCH

Q502

FAN MOTOR

DRIVE

Q891, 892

FILTER AMP

IC903 (2/2)

IC430

9

5

Q430

OVER LOAD

Q510

5

M891 (FAN)

MUTING

Q999

c

R-CH

9

J430

T501

– +

–

9

L

AUDIO OUT

R

J631

PHONES

TEL 13942296513 QQ 376315150 892498299

+

L

FRONT SPEAKER

IMPEDANCE

USE 6–16Ω

R

2

4

–2

–1

9

HEADPHONE MUTING

Q812, 862

MUTING CONTROL

SWITCH

Q861

D507

D511

8

2

+

L

– +

1

OVER LOAD

DETECT SWITCH

Q511

0

5

RY501

FRONT SPEAKER

PROTECT

RELAY DRIVE

8

Q512

9

2

SURROUND

9

4

SPEAKER PROTECT

RELAY DRIVE

Q513

RY502

8

2

–1

9

–

9

TM801

+

–2

–

RY801

M

OVER LOAD

DETECT SWITCH

Q825

SUB WOOFER AMP

IC502 (1/2)

STANDBY

SWITCH

Q1001-1003

o

m

SUB WOOFER AMP

IC502 (2/2)

OVER LOAD

Q1004, 1054

DETECT

SUB WOOFER

PROTECT

RELAY DRIVE

Q824

R-ch is omitted due to same as L-ch.

SIGNAL PATH

: TUNER (FM/AM) : TAPE PLAY : REC

: CD PLAY : MD/VIDEO (AUDIO) IN : GAME INPUT (AUDIO) : AUDIO OUT : MIC INPUT

SURROUND

IMPEDANCE

R

SUB WOOFER

OUT

IMPEDANCE

USE 8Ω

SPEAKER

USE 24Ω

2525

HCD-RV7/RV8

7-5. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –

Q

FL601

FLUORESCENT

INDICATOR TUBE

3

7

6

1 – 10, 12 – 22,

100 – 86

3

P1 – P41

24 – 41, 43, 44

1G – 15G

LED-MD-VIDEO,

LED-TAPE,

LED-TUNER,

LED-CD,

LED-GAME, LED-DISC1, LED-DISC2, LED-DISC3,

LED-REC

1

52 – 59, 74

5

LED DRIVE

Q601 – 605,

Q791 – 793, 795

1

5

D604 – 608, D791 – 793, 795

0

8

9

2

4

9

8

2

9

TEL 13942296513 QQ 376315150 892498299

KEY0 – KEY2

FLUORESCENT

INDICATOR TUBE DRIVER,

KEY CONTROL

67 – 72

BPF0 – BPF5

73 ALL-BAND

80 VOLUME-A 79 VOLUME-B

2

83 X1

82 X0

x

IC601

9

D794

6

REMOTE CONTROL

RECEIVER

IC603

i

(Page 25)

X

P

SPEANA

T

E

w

L

w

VOLUME

1

w

BAND-PASS

FILTER

4 LINE IN

6REC IN

3

IC602

ROTARY

ENCODER

S748

F01 – F06

11L+R

9

X601 4MHz

17 – 12

4

.

64 – 66

5

60I2C-DATA 61I2C-CLOCK 77RESET

LED DRIVE

a

1

Q794

S749

S750

DISPLAY

X502

16MHz

X501

32.768kHz

3

30 IIC-DATA 29 IIC-CLK 41 GC-RESET

75 STBY-LED

74 POWER-KEY

73 DISPLAY-KEY

15 X-IN

13 X-OUT

10 XC-IN

o

11 XC-OUT

S751 – 792

4SIRCS

SYSTEM CONTROLLER

(CD MECHANISM CONTROL)

IC501 (4/4)

y

u

Q

1

38SYSPWR

84STBY-RELAY

12RESET

20AC-CUT

Q

D D +3.3V

6

+4.5V

+2.5V

RESET

SWITCH

Q601

3

7

+4.5V

REGULATOR

Q201

+2.5V

REGULATOR

IC201

+3.3V

REGULATOR

IC202

CD D+5V CD A+5V

3

6

D +3.3V

RESET SIGNAL

GENERATOR

IC601

3

D +4V

.

5

1

D920 – 922

M +7V

M +9V

A +10V

TC +10V

+5V

REGULATOR

IC911

D501 D503

D502 D504

EVER +4V

D505

c

1

REGULATOR

B+ SWITCH

Q911, 912

+4V

REGULATOR

IC951

REGULATOR

o

5

+9V

IC961

+10V

IC101

+4V

IC971

+VL –VL

+VH –VH

– VG

0

TO FLUORESCENT

INDICATOR TUBE

FL601

D918, 919, 923, 924

m

– 33V

REGULATOR

Q941

RECT

D914 – 917

RECT

D906 – 909

RECT

POWER ON/OFF

RELAY DRIVE

RECT

D972 – 975

RECT

8

D541

D543

Q971

VF1

VF2

9

TRANSFORMER

RECT D977

2

T910

MAIN POWER

4

RY971

T972

SUB POWER

TRANSFORMER

9

2

8

(RV7: Thai)

VOLTAGE

SELECTOR

S901

(EXCEPT RV7: Thai)

9

TEL 13942296513 QQ 376315150 892498299

9

(AC IN)

2626

MOTOR board

SENSOR (CD) board

DRIVER board

BD board

SW board

HEAD (A) board

HEAD (B) board

MAIN TRANS board

SENSOR board

SUB WOOFER board (HCD-RV8)

TUNER PACK

MAIN board

POWER board

PANEL board

CD SWITCH board

CD OPEN board

PAD SWITCH board

GAME IN board

VOL board

VIDEO board

SUB-TRANS board

HCD-RV7/RV8

7-6. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

Q

Note on Printed Wiring Board:

• X : parts extracted from the component side.

• Y : parts extracted from the conductor side.

• : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.)

• VIDEO board is multi-layer printed board.

• Indication of transistor.

TEL 13942296513 QQ 376315150 892498299

Q

Caution: Pattern face side: Parts on the pattern face side seen from (Conductor Side) the pattern face are indicated. Parts face side: Parts on the par ts face side seen from (Component Side) the parts face are indicated.

However, the patterns of intermediate-layer have not been included in diagram.

C Q

B

These are omitted.

E

Q

CE

These are omitted.

Q

CE

T

E

These are omitted.

L

3

1

7

3

9

6

4

2

3

1

Note on Schematic Diagram:

• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

• All resistors are in Ω and 1/ specified.

f

•

• 2 : nonflammable resistor.

• 5 : fusible resistor.

• C : panel designation.

Note: The components identified by mark 0 or dotted line

with mark 0 are critical for safety. Replace only with part number specified.

• A : B+ Line.

• B : B– Line.

• H : adjustment for repair.

•Voltages are taken with a V OM (Input impedance 10 MΩ). Voltage variations may be noted due to normal production tolerances.

•Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances.

• Circled numbers refer to waveforms.

• Signal path.

F : TUNER (FM/AM) E : TAPE PLAY (DECK A) d : TAPE PLAY (DECK B) G : REC J : CD PLAY (AUDIO) L : CD PLAY (VIDEO) q : MD/VIDEO (AUDIO) IN j : GAME INPUT (AUDIO) k : GAME INPUT (VIDEO)

9

6

5

f : AUDIO OUT N : MIC INPUT

•Abbreviation EA : Saudi Arabia model MY : Malaysia model SP : Singapore model TH : Thai model

5

: internal component.

1

3

1

4

W or less unless otherwise

5

0

Q

• Circuit Boards Location

8

1

3

6

7

3

9

5

1

2

5

0

4

8

9

2

8

4

9

2

8

2

9

TEL 13942296513 QQ 376315150 892498299

9

w

.

x

i

a

o

y

u

1

6

2727

3

.

c

o

m

Sony HCD-RV7, HCD-RV8 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

TABLE OF CONTENTS

SERVICING NOTES

GENERAL

DISASSEMBLY

3-1. DISASSEMBLY FLOW

3-2. TOP CASE

loading panel

CD mechanism deck (CDM58E-30BD62)

front panel section

back panel section

main board

BU-30 (61) assy

3-9. DRIVER BOARD, MOTOR BOARD, SENSOR (CD) BOARD AND VIDEO BOARD

belt

TEST MODE

MECHANICAL ADJUSTMENTS

ELECTRICAL ADJUSTMENTS

DECK SECTION

CD SECTION VIDEO SECTION

7-1. BLOCK DIAGRAM – CD SERVO Section –

7-2. BLOCK DIAGRAM – AUDIO/VIDEO CD Section –

7-3. BLOCK DIAGRAM – TUNER/TAPE DECK Section –

7-4. BLOCK DIAGRAM – MAIN Section –

7-5. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –

7-6. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS