DOWNLOAD Sony HCD-GRX5 / HCD-RX66 / MHC-GRX5 / MHC-RX66 Service Manual ↓ Size: 6.57 MB | Pages: 70 in PDF or view online for FREE

– 9 –

1

Push the 
cassette lids.

3

three screws
(BVTP3 

×

 8)

2

Open the 
cassette lids.

4

two screws
(BVTP3 

×

 8 )

5

tape mechanism 
deck section
(TCM-230AWR1/
TCM-230PWR1)

4

CD mechanism deck section
 CDM38L-5BD29AL 
 CDM38LH-5BD29AL



 



 

3

two screws
(BVTP3 

×

 8)

2

wire (flat type) 
(19 core) (CN105)

1

two connectors
(CN103, CN104)

The CD mechanism deck will
fall if three  screws are removed.
Support it by hand, then remove
three screws.

– 10 –

Abbreviation

AUS : Australian
EA4 : Israel
MY : Malaysia
TW : Taiwan

E2

: 120 V AC Area in E model

HK : Hong Kong
SAF : South African

E3

: 240 V AC Area in E model

IA

: Indonesian

SP

: Singapore

EA3 : Saudi Arabia
MX : Mexican
TH : Thai

3

four screws
(BVTP3 

×

 8)

2

wire (flat type) (13 core) (14 cm)
(CN102) (GRX5: E2, EA4, TH, 
MX, AUS/RX66)
wire (flat type) (15 core) (14 cm)
(CN102) (GRX5: E3, EA3, MY, 
SP, IA, HK, TW, SAF)

6

MAIN board

5

connector
(CN101)

4

two screws
(BVTP3 

×

 6)

1

connector
(CN11)

– 11 –

• 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

p

 , 

[ENTER/NEXT]

, and

u

simulta-

neously.

2. The fluorescent indicator tube becomes blank instantaneously,

and the set is reset.

• This mode moves the pickup to the position durable to vibra-

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

Procedure:
1. Press

u

button to turn the set ON.

2. Press 

[LOOP]

 button and

u

button simultaneously.

3. A message “LOCK” is displayed on the fluorescent indicator

tube, and the CD delivery mode is set.

• This mode resets the set with the preset data kept stored in the

memory.  The hot reset mode functions same as if the power
cord is plugged in and out.

Procedure:
1. Press three buttons

p

, 

[ENTER/NEXT]

, and 

[DISC 1]

 simul-

taneously.

2. The fluorescent indicator tube becomes blank instantaneously,

and the set is reset.

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

instance, when cleaning the pickup.

Procedure:
1. Press

u

button to turn the set ON.

2. Select the function “CD”.
3. Press three buttons

p

 , 

[ENTER/NEXT]

, and

§ simulta-

neously.

4. The Sled Servo mode is selected, if “CD” is blanking on the

fluorescent indicator tube.

5. With the CD in stop status, press

) + button to move the

pickup to outside track, or – 

0 button to inside track.

6. To exit from this mode, perform as follows:

1) Move the pickup to the most inside track.
2) Press three buttons in the same manner as step 2.

 • Always move the pickup to most inside track when exiting from

this mode.  Otherwise, a disc will not be unloaded.

• Do not run the sled motor excessively, otherwise the gear can be

chipped.

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

10 kHz.

Procedure:
1. Press

u

button to turn the set ON.

2. Select the function “TUNER”, and press 

[TUNER/BAND]

button to select the BAND “AM”.

3. Press

u

button to turn the set OFF.

4. Press 

[ENTER/NEXT]

 and

u

buttons simultaneously, and

the display of  fluorescent indicator tube changes to “AM 9 k
STEP” or “AM 10 k STEP”, and thus the channel step is
changed over.

Procedure:
1. Press three buttons

p

, 

[ENTER/NEXT]

, and 

[DISC 2]

 simul-

taneously.

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

Press 

[DISC 2]

 button, and the key check mode is activated.

3. In the key check mode, the fluorescent indicator tube displays

“K 1 J0 V0”.  Each time a button is pressed, “K” value in-
creases. However, once a button is pressed, it is no longer taken
into account.
“J” value increases like 1, 2, 3 ... if rotating 

[JOG]

 knob in

“+”  direction, or it decreases like 0, 9, 8 ... if rotating in “–”
direction.
“V” value increases like 1, 2, 3 ... if rotating 

[VOLUME]

 knob

in “+”  direction, or it decreases like 0, 9, 8 ... if rotating in
“–” direction.

4. To exit from this mode, press three buttons in the same man-

ner as step 1, or disconnect the power cord.

– 12 –

This mode can be used for operation check of CD section and tape
deck section.
• If an error occurred:

The aging operation stops and display status.

• If no error occurs:

The aging operation continues repeatedly.

1.  Operating Method of Aging Mode
1) Set disc in DISC1 tray.
2) Load the tapes recording use into the decks A and B respec-

tively.

3) Press three buttons

p

, 

[ENTER/NEXT]

,

and 

[DISC SKIP/EX-CHANGE]

 simultaneously.

4) The aging mode is activated, if a CD roulette mark on the fluo-

rescent indicator tube is blinking.

5) To exit from the aging mode, press

u

button to turn the set

OFF.

2.  Operation Sequence
• During the aging mode in the following sequence to below.
• Starting the CD section aging for function set “CD”, starting

the TAPE section (deck A) aging for function set “TAPE A” or
“TAPE B”. (Set another function is no work.)

CD (disc1)  (12 minutes) 

→

Deck A

↑

↓

(About 13 minutes

Deck B

20 seconds
maximum)

3. Aging mode in CD section
1) Display state
• No error occurs

display

[*][*] : a letter “CD” and the remainder time (minute) alternately. (re-

mainder time start from 12 minute)

  @ @

: track number in access.

• Error occurred

2)  Operation during aging Mode
In the aging mode, the program is executed in the following se-
quence.
(1)

The disc tray turns to select a disc1.

(2)

A disc is chucked.

(3)

TOC of disc is read.

(4)

The pickup accesses to the track 1, and  playing 2 seconds.

(5)

The pickup accesses to the last track, and playing 2 seconds.

(6)

Steps 1 through 5 are repeated about 12 minutes.

(7)

Change to deck section aging.







NO.

Display

Main factor

1

NO DISC ERR Not set disc in DISC1

2

FOCUS1 ERR Focus does not work

3

FOCUS2 ERR Focus does not work after the disc rotate as usual

4

GFS ERR

GFS error

5

FBIAS ERR

Error in to the focus bias adjustment

6

SENSOR ERR Disc sensor sens DISC1 is no disc

7

TABLE ERR

CD tray lotate does not work

8

TRAY ERR

Tray (include BD) move does not work

4. Aging mode in Tape Deck section
1) Display state
• No error occurs

Display action now

• Error occurred

Display action last time

2)  Operation during Aging Mode
In the aging mode, the program is executed in the following se-
quence.
(1) Rewind is executed up to the top of tape.
(2) A tape on FWD side is played for 3 minutes.
(3) FF is executed up to either made for 20 minutes or the end of

tape.

(4) A tape is reversed, and the tape on REV side is played for 3

minutes.

(5) Rewind is executed up to the top of tape.
(6) Steps 1 through 5 are executed for the other deck.
(7) Change to CD section aging.

NO. Display action

Action contents

Final timing

1

TAPE A AG-1

Rewind the TAPE A

The top of tape

2

TAPE A AG-2

FWD play the TAPE A

3 minutes playing

3

TAPE A AG-3

F.F. the TAPE A

First either 20 minutes
or the end of tape

4

TAPE A AG-4

REV play the TAPE A

3 minutes playing

5

TAPE A AG-5

Rewind the TAPE A

The top of tape

6

TAPE B AG-1

Rewind the TAPE B

The top of tape

7

TAPE B AG-2

FWD play the TAPE B

3 minutes playing

8

TAPE B AG-3

F.F. the TAPE B

First either 20 minutes
or the end of tape

9

TAPE B AG-4

REV play the TAPE B

3 minutes playing

10

TAPE B AG-5

Rewind the TAPE B

The top of tape

[*][*]

 1 –

@ @