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6

 Follow the disassembly procedure in the numerical order given.

2

two screws
(case 3 TP2)

2

two screws
(case 3 TP2)

1

three screws
(BVTT3 

×

 6)

4

Remove the cover
in the direction of arrow 

A

.

A

3

3

4

three screws
(BVTP3 

×

 8)

2

screw
(BVTP3 

×

 8)

6

front panel section

5

two 
claws

5

two claws

5

claw

3

lug

1

wire (flat type) (23 core)
(CN104)

3

lug

3

lug

2

screw
(BVTP3 

×

 8)

2

screw
(BVTP3 

×

 8)

7

5

three screws
(BVTP3 

×

 8)

5

two screws
(BVTP3 

×

 8)

5

four screws
(BVTP3 

×

 8)

4

RELAY board

3

connector
(CN106)

6

connector
(CN105)

7

three connectors
(CN901, 902, 903)

1

screw
(BVTP3 

×

 8)

8

back panel (2CH/VCD) section

6

1

screw
(BVTP3 

×

 8)

2

lug

3

screw
(BVTP3 

×

 8)

2

two screws
(BVTT3 

×

 8)

5

Remove the FRONT AMP board
in the direction of the arrow.

4

PC board holder

1

three connector
(CN913, 914, 915)

4

PC board holder

8

Procedure 1:
1. Press the

/1

button to turn the power on.

2. While pressing the both 

[STEREO/MONO]

  *

1

 and 

[2CH/

MULTI C]

 buttons, press the 

[CLOCK/TIMER]

 *

1

 button.

3. LEDs and fluorescent indicator tube are all turned on of all

units.

Procedure 2:
1. Press the

/1

button to turn the power on.

2. While pressing the both 

[PLAY MODE]

 *

2

 and

x

*

2

 buttons,

press the

Z

 (DISC 1) *

2

 button.

3. LEDs and fluorescent indicator tube are all turned on of all

units.

Procedure:
1. Enter the GC test mode.
2. Each time the 

[TUNER MEMORY]

 *

1

 or 

[DISC 1]

 *

2

 button is

pressed, microcomputer or mechanism deck version is dis-
played of each unit.

3. Press the 

[TUNING +]

 *

1

 or 

[DISC   3]

 *

2

 button to detail is

displayed the version.

Procedure:
1. Enter the GC test mode.
2. Press the 

[TUNING --]

 *

1

 or 

[DISC 2]

 *

2

 button to set the key

check mode.

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

“K 0 J 0 V 0”. 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 turn the 

[FILE SELECT]

knob clockwise, or it decreases like 0, 9, 8 ... if turn the JOG
dial counterclockwise.
“V” value increases like 1, 2, 3 ... if turn the 

[VOLUME]

 knob

clockwise, or it decreases like 0, 9, 8 ... if turn the JOG dial
counterclockwise.

To release from this mode, press three buttons in the same manner
as entering this mode or disconnect the power cord.

Use following buttons in the test mode.
no mark : Button of amplifier unit (TA-S3)
*1

: Button of tuner unit (ST-S3)

*2

: Button of CD unit (CDP-S3)

1. Press the

/1

button to turn the power on.

2. While pressing the both 

[STEREO/MONO]

  *

1

 and 

[2CH/

MULTI C]

 buttons, press the 

[MUSIC MODE A]

 button.

3. “GROOVE” indication blinks on the fluorescent indicator tube

in the midst of MC test mode.

4. This mode has two modes (mode 1/mode 2).
5. To change the modes, press three buttons in the same manner

as entering this mode (step 2). Each time the step 2 operation
is repeated, it changes modes alternately.

6. To distinguish the mode, turn the 

[VOLUME]

 knob clockwise

or counterclockwise. Then display is shown as follows.

Mode 1: only “MIN” or “MAX”
Mode 2: “MIN”, “1 to 30” or “MAX”

To release from this mode, press the

/1

button or disconnect the

power cord.

10

B

These are omitted.

C

E

Q

Note on Printed Wiring Boards:
•

X

: parts extracted from the component side.

•

Y

: parts extracted from the conductor side.

•

f

: internal component.

•

: Pattern from the side which enables seeing.

• Indication of transistor.

Note on Schematic Diagram:
• All capacitors are in 

µ

F unless otherwise noted.  pF: 

µµ

F

50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in 

Ω

 and 

1

/

4

 

W or less unless otherwise

specified.

•

f

: internal component.

•

2

: nonflammable resistor.

•

5

: fusible resistor.

•

C

: panel designation.

•

A

: B+ Line.

•

B

: B– Line.

• Voltages are dc with respect to ground under no-signal

conditions.
no mark : Power on

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

Voltage variations may be noted due to normal produc-
tion tolerances.

• Signal path.

F

: AUDIO

Note: The components identified by mark 

0

 or dotted line

with mark 

0

 are critical for safety.

Replace only with part number specified.