Sony HCD-RV20, HCD-RV50, HCD-RV60 Service Manual

HCD-RV20/RV50/RV60

E Model

SERVICE MANUAL

Ver 1.1 2003. 08

SUPPLEMENT-1

File this supplement with the service manual.

Subject : Addition of Test Mode, Mechanical Adjustments,

Electrical Adjustments and Block Diagrams.

9-877-378-81

HCD-RV20/RV50/RV60

TABLE OF CONTENTS

1. Test Mode ................................................................................ 3

2. Mechanical Adjustments ......................................................... 6

3. Electrical Adjustments............................................................. 7

4. Block Diagram –CD/Video Section– ...................................... 9

5. Block Diagram –Tuner/Tape/Panel Section– ........................ 10

6. Block Diagram –Amp/Power Supply Section– ..................... 11

2

HCD-RV20/RV50/RV60

1. TEST MODE
[COLD RESET]

• 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 the [POWER] key to turn the power ON.

2. Press three keys of x , [GROOVE] and [POWER] simultaneously.

3. The message “COLD RESET” is displayed on the fluorescent

indicator tube momentarily, then becomes standby states.

[TUNER STEP CHANGE-OVER]

(Except AEP and UK models)

•A step of AM channels can be changed over between 9 kHz and
10 kHz.

Procedure:

1. Press the [POWER] key to turn the power ON.

2. Press the [TUNER BAND] key to select “AM”.

3. Press the [POWER] key to turn the power OFF.

4. Press two keys of [EFFECT ON/OFF] (RV20) or [ENTER] (RV50/

RV60) and [POWER] simultaneously.

5. The message “9K STEP” or “10K STEP” is displayed on the

fluorescent indicator tube, and thus the channel step is changed
over.

[CD SHIP MODE]

•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. Press the [POWER] key to turn the power ON.

2. Press the [CD] key to select “CD”.

3. Press two keys of [CD] and [POWER] simultaneously.

4. The message “LOCK” is displayed on the fluorescent indicator

tube, and the CD ship mode is set.

[CHANGE-OVER FUNCTION OF MD/VIDEO]

(HCD-RV50/RV60 models)

•This mode is used to enable function of external input to change
over between MD and VIDEO.

Procedure:

1. Set to standby state.

2. Press two keys of [MD VIDEO ] and [POWER] simultaneously.

3. The message “MD” or “VIDEO” is displayed on the fluorescent

indicator tube, and the function of external input is changed
over.

(

)

[CD TRA Y LOCK MODE]

•This mode is used to unable to take sample disc out of tray in the
shop.

Procedure:

1. Press the [POWER] key to turn the power ON.

2. Press the [CD] key to select “CD”.

3. Set disc on the tray.

4. While pressing the x key, press the Z key for 5 seconds.

5. The message “LOCKED” is displayed on the fluorescent

indicator tube and the tray is locked. (Even if pressing
the Z key, the message “LOCKED” is displayed on the
fluorescent indicator tube and the tray is locked)

6. To release from this mode, while pressing the x key, press

the Z key for 5 seconds.

7. The message “UNLOCKED” is displayed on the fluorescent

indicator tube and the tray is unlocked.

[AMP TEST MODE]

•This mode is used to set the parameter of AMP IC for adjustment
of tone quality and VACS level and display VACS status.

Procedure:

1. Press the [POWER] key to turn the power ON.

2. Press three keys of x , [GAME EQ] and [EFFECT ON/OFF]

simultaneously.

3. When the AMP test mode is activated, the message “AMP

TEST” is displayed on the fluorescent indicator tube
momentarily.

4. Press two keys of [GAME EQ] and [DISC 2] simultaneously, mode

is changed over to parameter setting of AMP IC and display of
VACS status.

5. When the VACS status, the message VACS level, VACS signal

level, and VACS signal hold le vel is display ed on the fluorescent
indicator tube.

6. Press the [GROOVE] key, DBFB ON/OFF is changed over.

7. Press the [GAME MIXING] key, surround ON/OFF is changed

over.

8. Press the cursol B and b key, EQ band is changed over to

LOW, MID or HIGH. (Case of HCD-RV50/RV60)

9. Press the cursol V and v key, EQ curve adjustment value is

changed over between –8dB to +8dB. (Case of HCD-RV50/
RV60)

10. To release from this mode, press two keys of [GAME EQ] and

[MOVIE EQ] simultaneously.

3

HCD-RV20/RV50/RV60

[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 [POWER] key to turn the power ON.

2. Press the [CD] key to select “CD”.

3. Set disc on the tray and set tape into the deck.

4. Set the “ALL DISCS” mode and “REV OFF” mode.

5. Press three keys of x , [GAME EQ] and [DISC SKIP/EX-CHANGE]

simultaneously.

6. The message “AGING” is displayed on the fluorescent

indicator tube momentarily, then aging operations of CD and
tape are started at the same time.

7. To release from this mode, operate the “COLD RESET”.

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.

Aging mode sequence (CD section) :

3. Tape Deck Section

The sequence during the aging mode is following as below.
If an error occurred, stop display that step.

Aging mode sequence (tape deck section) :

Rewind the tape A and B

“AAG-1 or 2”

Shut off

FWD play the tape A

“AAG-3”

2 minutes

Fast forward the tape A

“AAG-4”

Shut off or 20 seconds

REV play the tape A

“AAG-5”

2 minutes

Rewind the tape A

“AAG-6”

Shut off

FWD play the tape B

“BAG-3”

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.

2 minutes

Fast forward the tape B

“BAG-4”

Shut off or 20 seconds

REV play the tape B

“BAG-5”

2 minutes

Rewind the tape B

“BAG-6”

Shut off

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

4

HCD-RV20/RV50/RV60

[GC TEST MODE]

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

Procedure:

1. Press the [POWER] key to turn the power ON.

2. Press three keys of x , [GAME EQ] and [DISC 2] simultaneously.

3. Fluorescent indicator tube and LEDs are all turned ON.

4. Press two keys of [GAME EQ] and [DISC 2] simultaneously, mode

is changed over.

5. In the key check mode, press each key, the defined key number

of every each key list is displayed on the fluorescent indicator
tube.

6. In the key count check mode, “KEYCNT 0” is displayed on the

fluorescent indicator tube. Each time a key is pressed,
“KEYCNT” value increases. Howev er , once a key is pressed , it
is no longer taken into account.

7. In the headphone input check mode, connect the headphone,

the message “H_P ON” is displayed on the fluorescent
indicator tube, and disconnect the headphone, the message “H_P
OFF” is displayed on the fluorescent indicator tube.

8. In the volume check mode, turn the [VOLUME] knob, the

display on the fluorescent indicator tube is changed over to
“VOLUME UP”, “VOLUME FLAT” or “VOLUME DOWN”

[MC TEST MODE]

•This mode is used to check operations of Amplifier.

Procedure:

1. Press the [POWER] key to turn the power ON.

2. Press three keys of x , [GAME EQ] and [DISC 3] simultaneously.

3. When the MC test mode is activated, the message “TEST

MODE” is displayed on the fluorescent indicator tube
momentarily, then VACS level is displayed on the fluorescent
indicator tube.

4. Press the [MUSIC EQ] key, the display on the fluorescent

indicator tube is changed over to “GEQ MAX”, press the
[EFFECT ON/OFF] key, the display on the fluorescent indicator
tube is changed over to “GEQ 16”, press the [MOVIE EQ] key,
the display on the fluorescent indicator tube is changed over to
“GEQ MIN”,

5. Turn the [VOLUME] knob, the display on the fluorescent

indicator tube is changed over to “VOLUME MAX”, “V OLUME
MID” or “VOLUME MIN”

6. Press the [GROOVE] key, VACS ON/OFF is changed over.

7. When the [REC PAUSE/START] key is pressed with a ta pe set in

the deck-B, the function is switched “MD” or “VIDEO” and
recording starts. When the m or M key is pressed during
recording, the tape is rewound back to the beginning of
recording, the function is switched to “T APE B”, then playback
starts.

8. When the [CD SYNC] key is pressed with the test tape (AMS-

100, AMS-110A) in the deck, number of space between tunes
is counted, then if AMS-110A is set, “OK” is displayed on the
fluorescent indicator tube and if AMS-100 is set, “NG” is
displayed on the fluorescent indicator tube.

9. To release from this mode, press the [POWER] key.

[MODEL, DESTINATION AND VERSION DISPLAY]

•This mode is used to check the model, destination and software
version.

Procedure:

1. Set to the standby state.

2. Press three keys of x , [GAME EQ] and [MOVIE EQ]

simultaneously.

3. When the model, destination and version display mode is

activated, the model an destination is displayed on the
fluorescent indicator tube.

4. Press two keys of [GAME EQ] and [DISC 2] simultaneously, mode

is changed over to model and destination display mode and
version display mode.

5. To release from this mode, press the two keys of [GAME EQ]

and [MOVIE EQ] simultaneously.

[CD ERROR CODE DISPLAY]

• This mode can be used for error display of CD section.

Procedure:

1. Press the [POWER] key to turn the power ON.

2. Press the [CD] key to select “CD”.

3. Press three keys of x , [GAME EQ] and [DISC 1] simultaneously.

Note: Error code is not displayed on the fluorescent indicator tube.

[CD SERVICE MODE]

•This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.

Procedure:

1. Press the [POWER] key to turn the power ON.

2. Press the [CD] key to select “CD”.

3. Press three keys of x , [GAME EQ] and Z simultaneously.

4. When the CD service mode is activated, the message

“TRA VERS ON” is displa yed on the fluorescent indicator tube.

5. Press the M key, optical pick-up move to outside track and

the message “SLED OUT” is displayed on the fluorescent
indicator tube.

6. Press the m key, optical pick-up move to inside track and

the message “SLED IN” is displayed on the fluorescent
indicator tube..

7. Press the [MOVIE EQ] key, traverse ON/OFF is changed over.

[5 REPEAT LIMIT CANCEL]

• Number of repeat for CD playback is 5 times when the repeat
mode is “REPEAT”. This mode is used to enables CD to repeat
playback for limitless times.

Procedure:

1. Press the [POWER] key to turn the power ON.

2. Press the [CD] key to select “CD”.

3. Press three keys of x , [GAME EQ] and G (RV20) or gG

(RV50/RV60) simultaneously.

5

HCD-RV20/RV50/RV60

2. MECHANICAL ADJUSTMENTS

Precaution

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

Mode Torque meter Meter reading

3.06 N • m to 6.96 N • m

FWD CQ-102C 31 to 71 g • cm

(0.43 – 0.98 oz • inch)

FWD
back tension

REV CQ-102RC 31 to 71 g • cm

REV
back tension

FF/REW CQ-201B 71 to 143 g • cm

FWD tension CQ-403A 100 g or more

REV tension CQ-403R 100 g or more

CQ-102C 2 to 6 g • cm

CQ-102RC 2 to 6 g • cm

0.19 N • m to 0.58 N • m

(0.02 – 0.08 oz • inch)

3.06 N • m to 6.96 N • m

(0.43 – 0.98 oz • inch)

0.19 N • m to 0.58 N • m

(0.02 – 0.08 oz • inch)

6.96 N • m to 14.02 N • m

(0.98 – 1.99 oz • inch)

9.80 N • m

(3.53 oz or more)

9.80 N • m

(3.53 oz or more)

6

HCD-RV20/RV50/RV60

r

e

3. ELECTRICAL ADJUSTMENTS
DECK SECTION 0 dB=0.775 V

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 sup-

ply voltage unless otherwise noted.

5. The adjustments should be performed in the order given 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 R-CH.

7. Switches and controls should be set as follows 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

P-4-L300 315 Hz, 0 dB Level Adjustment

Record/Playback Head Azimuth Adjustment

DECK A DECK B

2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw

so

that outputs match within 1dB of peak.

Output
level

within
1dB

L-CH
peak

R-CH
peak

within
1dB

Screw
position

L-CH
peak

Screw
position

R-CH
peak

3. Mode: Playback

test tape
P-4-A100
(10 kHz, –10 dB)

L-CH

MAIN
board
IC201
set

R-CH

pin

L

R

pin

wh

pin

5

eh

oscilloscop

H

V

Note: Perform this adjustments for both decks

Procedure:

1. Mode: Playback

test tape
P-4-A100
(10 kHz, –10 dB)

main board
IC201

5

(PB OUT(R))

Pin

wh

(PB OUT(L))

Pin

set

main board
IC201
Pin

eh

(GND)

level mete

+
–

waveform of oscilloscope

in phase 45°90°135°180

good

°

wrong

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

Adjustment Location: Playback Head (Deck A).

Record/Playback/Erase Head (Deck B).

reverse

forward

7

HCD-RV20/RV50/RV60

p

)

TP (TE)

TP (DVD)

BD board

+
–

oscilloscope

)

CD SECTION

Note:

1. CD Block is basically designed to operate without adjustment.
Therefore, check each item in order given.

2. Use YEDS-18 (3-702-101-01) unless otherwise indicated.

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

4. Clean the object lens by an applicator with neutral detergent when
the signal level is low than specified value with the following
checks.

S-CURVE CHECK

oscilloscope

BD board

TP (FE)

TP (DVD)

Procedure :

1. Connect an oscilloscope to TP (FE) and TP (DVD) on the BD
board.

2. Turn the power ON.

3. Load a disc (YEDS-18) and actuate the focus search. (In conse­quence of open and close the disc tray, actua te the focus search)

4. Confirm that the oscilloscope wa v eform (S-cur ve) is symmetri­cal between A and B. And confirm peak to peak level within 2 ±

0.5 Vp-p.

S-curve waveform

+
–

symmetry

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

clearly distinguished at the center of the waveform.

RF signal waveform

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

level : 0.75

±

0.1Vp-p (RFDC

1.05 ±0.3Vp-p (RFAC)

TRAVERSE LEVEL CHECK

Procedure :

1. Connect an oscilloscope to TP (TE) and TP (DVD) on the BD
board.

2. Turn the power ON.

3. Load a disc (YEDS-18) and playback the number nine track.

4. Press the G (RV20) or gG (RV50/RV60) button. (Becomes
the 1 track jump mode.)

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

1 track jump waveform

center of
waveform

A

±

within 2

B

0.5Vp-

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

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.

RF LEVEL CHECK

BD board

TP (RFDC)

TP (RFAC)

TP (DVD)

Procedure :

1. Connect an oscilloscope CH1 to TP (RFDC), CH2 to TP (RF AC)
and TP (DVD) on the BD board.

2. Turn the power ON.

3. Load a disc (YEDS-18) and playback the number nine track.

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

oscilloscope

+
–

DVC

level=1.2 ±0.55Vp-p

Connecting Location:

– BD BOARD (Conductor Side) –

TP (TE)

TP (RFAC)

TP (DVD)

B

A (DC voltage

symmetry

TP (FE)

TP (RFDC)

8

4. BLOCK DIAGRAM — CD/VIDEO SECTION —

5
6
3
9

A04
A05
A03
A06

D/A CONVERTER

IC506

DI

CLKLDRST

10 41112

HCD-RV20/RV50/RV60

•Signal Path

: CD

:VIDEO

•R-ch is omitted due to same as L-ch.

OPTICAL PICK-UP

BLOCK

PD1

PD2

15-10

11-6

LD

PD

SW

F-

F+

T-

T+

M102

(SLED)

M101

(SPINDLE)

DRAM
IC507

26,27,31

A0-A9

6 15
8
7 26
9 29

10 162
11

LD

DRIVE

Q101

A0-A10 DQ0-DQ15

22-26
29-34

A0-A10

A0-10

5-12

2-4,23,25

A10-A17 DQ0-DQ7

A18

1

2

FOCUS/TRACKING COIL DRIVE,

SLED/SPINDLE MOTOR DRIVE

47
52

55
56

1
2

5

10

2,4,5,7,8,10,11,13,42
44,45,47,48,50,51,53

D8-15

13-15

28-30

17-21

C

E
F

LD

PD

VO1+
VO1-

VO2+
VO2-

VO3+
VO3-

VO4+
VO4-

D0-15

RF AMP

IC103

D0-7

RFACA

RFCB

RFDCID

RFDCO

28

FEI

17

TE

18

FE

SW

12

IC102

STBY

IN1+

IN1-

IN2+

IN2-

IN3+

IN3-

IN4

CLK

WE
CAS
RAS
BAO

UDQM
LDQM

MICROCODE ROM

IC508

OE

(RV20)

(RV50/RV60)

CD-L

LKEVEL SHIFT

Q731

JK004

VIDEO OUT

JK005(1/2)

GAME INPUT

VIDEO

S-MUTE
O-POWER
HOLD
CD VDD
RESET
POWER DOWN

TABLE ADDRESS

AMP/POWER SUPPLY

A

SENSOR

IC731

ROTARY
ENCODE

RE701

OPEN

CLOSE

SECTION

(Page 11)

S-MUTE
O-POWER
HOLD
CD VDD
RESET
POWER DOWN

CD MUTE

S751

OPEN/CLOSE

DETECT

DISC TRY

ADDRESS DETECT

LM-F

LM-R

TM-F

TM-R

AMP/POWER SUPPLY

B

(Page 11)

AMP/POWER SUPPLY

C

TUNER/TAPE/PANEL

D

SECTION

(Page 10)

SECTION

SECTION

(Page 11)

MPEG VIDEO/AUDIO DECODER

VIDEO SIGNAL PROCESSOR

IC505

173

RFAC

RF
CONT
Q102

8

35
34

32
31

27
26

23

38
16
17
18
20
39
15

24

A0-10

D0-15

189

24

160

163
16416

135

81

142
143

140
141

137
138

133

70
73
68
72
76
78
77

34

I

37

•

39

I

45

49

I

56

•

59

I

66

74

XTSL
GPI09
RFDC

TE
SE
FE

SSTP

SYSRST

FFDR
FRDR

TFDR
TRDR

SFDR
SRDR

MDP

DRCK
DRWEL
DRCAS
DRRAS
DRBS
DRDQM1
DRDQM0

DRADR0

I

DRADR10

DRDAT0

I

DRDAT15

NVOEL

GPIO14
GPIO13
GPIO11
GPIO12

AUDOTOO

AUDBCK

AUDXCLKO

AUDLRCK

CPSIG

GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5

XTAO

XTAI

CLKA

CLKB

30 13
29 14
26 15

28
201 2
203 1
205 16
204

MUTE

6

13

14

15

16

18

19

150

149

206

207

X501

33.8688MHz

X502

29MHz

Q370

BUF

Q301

DIGITAL FILTER,
D/A CONVERTER

IC504

DATA
CLK

LAT

DATA
BCK
MCLK
LRCK

3

2

3

Y/C AMP

IC307

STBY

IN

L OUT

R OUT

OUT

7

8

6

(LOADING)

R-CH

M751

M741

(TABLE)

IC102

LPF

75

COLOR CONTROL

VIN1

1
3

VIN2

98

SYS OUT

99

SYS IN
SYS CLK

100

CE(MP3)

6

SYNC

10

CE

5

76

CD DRF

LOADING MOTOR DRIVE

R-CH

MUTE

Q311

IC303

7

VOUT

SW1

2

SYSTEM CONTROL

IC601 (1/2)

VIDEO SW

MUTE

RESET

SYS-MUTE

POWER RELAY

HOLD

CD VDD

RESET

POWER DOWN

CD NUMBER SENS

CD ENCODER

IC701

FIN

OUT1

4

RIN

OUT2

2

TABLE MOTOR DRIVE

IC712

FIN

OUT1

4

RIN

OUT2

2

CD

SYS

MUTE

CONTROL

Q312

77

86

4

1
94
27
73
11

3

78

20

LM-F

7

LM-R

9

TM-F

7

TM-R

9

99

HCD-RV20/RV50/RV60

5. BLOCK DIAGRAM — TUNER/TAPE/PANEL SECTION —

L-CH

HP1
(PB)

(DECK-A)

HRPE1

(REC/PB/ERASE)

(DECK-B)

FM 75Ω

COAXIAL

AM LOOP

R-CH R-CH

L-CH

R-CH R-CH

ERASE

ANTENNA

(Page 11)

AMP/POWER SUPPLY

SECTION

AMP/POWER SUPPLY

SECTION

E

F

VACS/STR

(Page 11)

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

• SIGNAL PATH

: TUNER (FM/AM)

: TAPE PLAY (DECK-A)

: TAPE PLAY (DECK-B)

: REC

HP

(RV20)

R-CH

TUNER UNIT

FM ANT

AM ANT

VACS/STR

LED611

(STREAM1)

(RV20)

Q219, 221

TU901

L-CH

R-CH R-CH

DI

DO

CLK

CE

TUNED

ST

TU-MUTE

LED607

LED609,
LED612

LED610

MUTING

BUFFER

Q609,610

(RV50/RV60)

I

FRONT PANEL KEY

REC ON/OFF

Q222, 225

VOLUME

LED601-606

(STREAM1-6)

SWITCH

BAND-PASS

FILTER

REMOTE CONTROL

RECEIVER

RM601

ROTARY

ENCODER

VR601

LED DRIVER

Q602-604,607

LED DRIVE

Q605

BIAS OSC

L201

BIAS OSC

Q223

TUNER-L

DI

CLK

95 O-LC72121/M61529/BU2099 DO
96 I-LC72121 DI
97 O-LC72121/BU2099 CLK

9 O-LC72121 CE
74 I-TUNER TUNE
75 I-TUNER STEREO

22 I-STREAM-IN

23 I-VACS

21 I-SW ON/OFF SENSOR

28 I-REMOCON-IN

80 I-VR-ENCODER-A
81 I-VR-ENCODER-B

85 O-STREAM 1 LED

O-STREAM 1 LED

85

I
88

•

91

•

92

O-STREAM 6 LED

O-GAME LED

68

•

69

O-TAPE LED

•

70

O-TUNER LED

•

71

O-CD LED

67 O-MD/VIDEO LED

24

I-KEY2

I

I

26

I-KEY0

32

34

21

REC BIAS

SWITCH

Q228

+9V

(Page 11)

AMP/POWER SUPPLY

J

SECTION

SYSTEM CONTROLLER

IC601 (2/2)

I-TAPE AMS IN

O-BU2099 LCK

O-M61529 CLK

(RV20)

I-TAPE A STAT

I-TAPE B STAT
I-TAPE REEL A
I-TAPE REEL B

DECK A/B SELECT SWITCH, REC/PB EQ AMP

AIN (L)

BIN (L)

REC­OUT (L)

XT1

CF1

CF2

MECHA VCC

TAPE SOL A
TAPE SOL B

P1

I

P4

•

P5

I

P8

•

P9

I

P22

G1

I

G12

IC201

EQ

MUTE-ON/OFF

REC MUTE-ON/OFF

AMS

Q210,211EQQ212

79

8

7

X601

32.768kHz

1312XT2

15

RES601

8.64MHz

16

93O-POWER LED

88
91
92

18
19
82
83

42

I

45

•

47

I

50

•

52

I

65

30

I

41

LED614

POWER

EQOUT (L)

REC-IN (L)

A/B

28 27

24

13

14

15

MCLK

FLD601(RV20)
FLD602(RV50/RV60)

FLUORESCENT

INDICATOR TUBE

MUTE

TAI (L)

MULTI CONTROLLER

IC309

8

A/B
PB MUTE

9

10

REC MUTE

7 BIAS

6 REC

11 TUNER MUTE

LCK

SP RELAY

LINK

LM-L (CD)
LM-R (CD)
TM-L (CD)
TM-R (CD)

PB-OUT (L)

16
17

13
12
15
14

3DATA
4CLOCK
5LCK

18SO

26

SP-F

LINK

LM-F

LM-R

TM-F

TM-R

SO

LCK

CLK

DI

MECHA-VCC

SOL-A

SOL-B

TAPE A STAT

TAPE B STAT

TAPE REEL A
TAPE REEL B

TAPE-L

REC-L

SP-F
LINK

LM-F
LM-R
TM-F
TM-R

DI
SO
CLK
MCLK
LCK
MECHA-VCC
SOL-A
SOL-B

CAPSTAN/REEL

MOTOR DRIVE

Q618

PLUNGER DRIVE

(DECK-A)

Q616

PLUNGER DRIVE

(DECK-B)

Q617

AMP/POWER SUPPLY

G

SECTION

(Page 11)

AMP/POWER SUPPLY

H

SECTION

(Page 11)

CD/VIDEO

D

SECTION

(Page 9)

AMP/POWER SUPPLY

K

SECTION

(Page 11)

TAPE MECHANISM

DECK BLOCK

CAPM+

(CAPSTAN/REEL)

A-SOL

(DECK-A)

B-SOL

(DECK-B)

A-MODE
A-HALF
REC (REW)

B-MODE
B-HALF
REC (FWD)
A-PHOTE
B-PHOTE

MM

1010

6. BLOCK DIAGRAM — AMP/POWER SUPPLY SECTION —

29

IC311

IC310

5

LCK

IC301

LCK

9

MECHA VCC

+4V

ECHO LEVEL

(RV20)

8

L-IN

MOTOR VCC

SOL-A11SOL-B13CD

10

SOL-A

REGULATOR

EVER+10V

JK003

MIC

(Page 9)

CD/VIDEO

SECTION

TUNER/TAPE/PANEL

SECTION

(Page 10)

TUNER/TAPE/PANEL

SECTION

(Page 10)

GAME

AUDIO

INPUT

IN

MD

(VIDEO)

OUT

(RV50/RV60)

TUNER/

TAPE/

K

PANEL

SECTION

(Page 10)

CD/VIDEO

SECTION

C

(Page 9)

CD-L

A

TUNER-L

J

TAPE-L

G

REC-L

JK005(2/2)

L

R

JK302

L

R

L

R

MCLK

MECHA VCC

SOL-A
SOL-B

CD MUTE

RESET

POWER DOWN

CLK

LCK

DI

SO

MIC LEVEL

AGC

Q001

MIC AMP

IC001 (1/2)

R-CH

R-CH

R-CH

RESET SWITCH

BUFFER

Q405

MUTE

Q407,408

Q601

MIC+10V

VR001

MIC LEVEL

MIC

2

CD-L

40

TUNER-L

39

TAPE-L

38

RECB-2

35

GAME-L

36

MD-L

37

(RV50/RV60)

RESET SIGNAL

GENERATOR

+3.3V (SUB)

IC002

ECHO

2 9

AMP

MIC AMP

IC001 (2/2)

INPUT SELECT SWITCH, TONE CONTROL,
ELECTRICAL VOLUME, BASS BOOST AMP

TOUT2

ANALOG

SURROUND

BASS BOOST CONTROLLER

DATA4CLOCK

LINE OUT MUTE

3

12

CLK

SO

IC603

D617

JK002

SOL-B

+4V

IC602

+

28

L-OUT

CONT3
CONT2

ON/OFF

CONT1
CONT2

OCONT3

MUTE

VOLIN2

DATA22CLOCK

21

DI

14
15
16

VACS/STR

19

SAOUT

OUT2

MCLK

9

3
2
1

RECT

D902 – 905

25

TRANSFORMER

MUTE

Q321

SUB POWER

T902

VACS/STR

CENTER VOLATAGE

GENERATOR

Q324

BUFFER

IC304

MUTING CONTROL

+1.8V
(MP3)

VCC

O-POWER

SW+5V

CD-VCC

O-POWER

TUNER/TAPE/PANEL

E

(Page 10)

MUTING

Q525

R-CH

SWITCH

Q527

S-MUTE

+1.8V

REGULATOR

IC803

B+ SWITCH

Q301, 302

SW+5V

REGULATOR

IC307

SECTION

VM+10V

PRE DRIVE

Q517, 519

POWER OFF

MUTING DRIVER

Q529, 530

+3.3V (MAIN)

DECK+9V, M+9V

VM+9V

VM+10V

CD B+ SWITCH

Q303,313,367

CURRENT

MIRROR

Q521, 523

P+7V

CASCADE

Q511, 513, 515

D313 – 315

D102

D513

REGULATOR

+15V

R-CH

R-CH

BIAS

Q507, 509

OVER CURRENT

DETECT

Q13

VM+10V

+4V

IC306

TO

FLUORESCENT

INDICATOR TUBE

SWITCHING

SWITCHING
Q17, 19, 22

–VP

+VP

FINAL DRIVE

Q501, 503

REGULATOR

REGULATOR

REGULATOR

POWER AMP

BLOCK

VF1

VF2

–VFL

Q18

R-CH

IC305

IC308

+10V

IC313

TO

OVER LOAD

+9V

+9V

REGULATOR

Q534 – 536

DETECT

Q505

+

+

HOLD

Q12

+VH

–VH

+VL

–VL

–30V

+15V

R-CH

+VH

+VL

–VH

–VL

DC DETECT

RELAY B++9V

OUTPUT LEVEL

DETECT
Q20, 21

OUTPUT LEVEL

DETECT
Q23, 24

+

+

Q5,6

HOLD
Q7 – 9

+

HOLD

RECT

D301 – 304

RECT

D319 – 322

(RV50/RV60)

RECT

D1

RECT

D3-6

RECT

D2

POWER ON/OFF

RELAY DRIVE

THERMAL DETECT

O-POWER

DC DET

Q329

Q330, 331

Q10, 11

(RV20)

+

R-CH

R-CH

MAIN POWER

TRANSFORMER

T901

VM

VM

VH

VH

VL

VL

(RV20/RV50)

RY902

RY901

(RV60)

R-CH

+

+

TH501,

502

(RV50/RV60)

FAN MOTOR

ON/OFF SWITCH

Q371,373

HCD-RV20/RV50/RV60

FAN901

M

(FAN)

R-CH

R-CH

RY501

S-MUTE, O-POWER, HOLD

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

SIGNAL PATH

R-CH

RELAY DRIVE

Q532

FRONT SPEAKER

ON/OFF RELAY DRIVE

Q304

: TUNER (FM/AM)

: CD PLAY

: TAPE PLAY

: REC

: MD (VIDEO) IN

: MIC INPUT

S901

VOLTAGE

SELECTOR

RY502

S-MUTE
O-POWER
HOLD
CD-VDD

LINK

SP-F

HP

(AC IN)

JK006

PHONES

+
–

+
–

+
–

+
–

H

F

L

R

L

R

B

TUNER/TAPE/PANEL

SECTION

(Page 10)

(RV20/RV50)

JK502

FRONT

SPEAKER

(RV60)

JK502

SURROUND

SPEAKER

TUNER/TAPE/PANEL

SECTION

(Page 10)

CD/VIDEO

SECTION

(Page 9)

11 11

HCD-RV20/RV50/RV60

MEMO

1212

MEMO

HCD-RV20/RV50/RV60

13