Sony HCD-DR4,HCD-W5000,HCD-DR5,HCD-XB500,HCD-DR440,HCD-DR6,HCD-W300 Service Manual

HCD-DR4/DR5/DR6/DR440/

W300/W5000/XB500

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SERVICE MANUAL

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HCD-DR4/DR5/DR6/DR440/W300/W5000/
XB500 is the tuner, deck, CD and amplifier
section in LBT -DR4/DR5/DR6/DR440/W300/
W5000/XB500.

Photo: HCD-DR6

CD

SECTION

TAPE DECK

SECTION

Model Name Using Similar Mechanism HCD-D290/G3300/XB3
CD Mechanism Type CDM37M-5BD32L
Base Unit Type BU-5BD32L
Optical Pick-up Type KSS-213D/Q-N
Model Name Using Similar Mechanism NEW
T ape Transport Mechanism T ype TCM-230AWR2/230PWR2

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Canadian Model

HCD-DR4/DR5/DR6/DR440

Australian Model

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AEP Model

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US Model

HCD-W300/W5000

HCD-W300

UK Model

HCD-XB500

E Model

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HCD-DR4

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SPECIFICATIONS

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MICROFILM

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COMPACT DISC DECK RECEIVER

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0.15µF

To Exposed Metal
Parts on Set

1.5k

Ω

AC
voltmeter
(0.75V)

Earth Ground

CAUTION

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Use of controls or adjustments or performance of procedures

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other than those specified herein may result in hazardous ra­diation exposure.

Notes on chip component replacement

• Never reuse a disconnected chip component.

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

Flexible Circuit Board Repairing

• Keep the temperature of 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.

Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.

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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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After correcting the original service problem, perform the follow­ing safety checks before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage. Check leakage as
described below.

LEAKAGE

The AC leakage from any exposed metal part to earth Ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microampers). Leak­age current can be measured by any one of three methods.

1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.

2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of a V OM
or battery-operated A C v oltmeter. The “limit” indication is 0.75
V, so analog meters must have an accurate low-voltage scale.
The Simpson 250 and Sanwa SH-63Trd are examples of a pas­sive VOM that is suitable. Nearly all battery operated digital
multimeters that have a 2V AC range are suitable. (See Fig. A)

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SAFETY CHECK-OUT

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This caution
label is located
inside the unit.

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Fig. A. Using an AC voltmeter to check AC leakage.

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COMPONENTS IDENTIFIED BY MARK ! OR DO TTED LINE
WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS

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MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

SAFETY-RELATED COMPONENT WARNING !!

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ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS P AR UNE MARQUE ! SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE
FONCTIONNEMENT . NE REMPLACER CES COMPOSANTS
QUE PAR DES PIÈCES SONY DONT LES NUMÉROS

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SONT DONNÉS DANS CE MANUEL OU DANS LES
SUPPLÉMENTS PUBLIÉS PAR SONY.

– 3 –

MODEL IDENTIFICATION
— BACK PANEL —

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Parts No.

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MODEL PRODUCT COUNTRY PARTS No.

DR4: E, AR model INDONESIA PRODUCT 4-214-786-0π
DR4: TH model THAI PRODUCT 4-214-786-9π
DR4: SP model INDONESIA PRODUCT 4-214-786-1π
DR4: MX model INDONESIA PRODUCT 4-214-786-2π
DR4: AUS model INDONESIA PRODUCT 4-214-786-3π
DR4: EA model INDONESIA PRODUCT 4-214-786-4π
DR5: E, AR model INDONESIA PRODUCT 4-214-786-5π
DR5: SP model INDONESIA PRODUCT 4-214-786-6π
DR5: MX model INDONESIA PRODUCT 4-214-786-7π
DR440: MX model INDONESIA PRODUCT 4-214-786-8π
W300: US model INDONESIA PRODUCT 4-214-787-4π
W300: CND model INDONESIA PRODUCT 4-214-787-5π
W5000: US model INDONESIA PRODUCT 4-214-787-6π
DR6: E, AR model INDONESIA PRODUCT 4-214-788-3π
DR6: MX model INDONESIA PRODUCT 4-214-788-5π
XB500: AEP, UK model INDONESIA PRODUCT 4-214-785-0π
XB500: AEP model THAI PRODUCT 4-214-785-2π

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• Abbreviation
CND : Canadian model
TH : Thailand model
SP : Singapore model
MX : Mexican model
AUS : Australian model
EA : Saudi Arabia model
AR : Argentine model

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

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 pick­up block. Therefore, when checking the laser diode emission, ob­serve from more than 30 cm away from the objective lens.

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SECTION 1

SERVICING NOTE

About CD-TEXT display

This unit is provided with a simple CD-TEXT display function.
The CD-TEXT contents of 20 tracks are displayed on the fluores­cent display tube.
Since the function is simple, some special characters may not be
displayed, or may be displayed as other characters.

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LASER DIODE AND FOCUS SEARCH OPERATION
CHECK

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

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TABLE OF CONTENTS

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1. SERVICING NOTE .......................................................... 4

2. GENERAL ....................................................................6

2. DISASSEMBLY

3-1. Front Panel ............................................................................ 8

3-2. Main Board ........................................................................... 8

3-3. Sub Panel .............................................................................. 9

3-4. CD-L/CD-R Board and CD LID Assembly .......................... 9

3-5. Tape Mechanism Deck and Cassette LID...........................10

3-6. CD Mechanism Deck .......................................................... 10

3-7. Base Unit.............................................................................10

3-8. Disc Table ........................................................................... 11

4. SERVICE MODE ............................................................ 12

5. MECHANICAL ADJUSTMENTS ..........................16

6. ELECTRICAL ADJUSTMENTS ...............................16

7. DIAGRAMS

7-1. Circuit Boards Location ...................................................... 20

7-2. Block Diagrams

• BD (CD) Section.............................................................. 21

• Deck Section .................................................................... 23

• Main (1/2) Section ........................................................... 25

• Main (2/2) Section ........................................................... 27

• Power Section (DR4, DR5, DR6, DR440 model) ........... 29

• Power Section (W300, W5000, XB500 model)............... 31

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• Display Section ................................................................ 33

7-3. Printed Wiring Board – BD (CD) Section – ....................... 37

7-4. Schematic Diagram – BD (CD) Section – .......................... 39

7-5. Printed Wiring Board – Main Section – .............................. 41

7-6. Schematic Diagram – Main (1/5) Section – ........................ 43

7-7. Schematic Diagram – Main (2/5) Section – ........................ 45

7-8. Schematic Diagram – Main (3/5) Section – ........................ 47

7-9. Schematic Diagram – Main (4/5) Section – ........................ 49

7-10. Schematic Diagram – Main (5/5) Section – ..................... 51

7-11. Schematic Diagram – Deck Section – .............................. 53

7-12. Printed Wiring Board – Deck Section – ........................... 55

7-13. Schematic Diagram – Power (1/2) Section –

(DR4, DR5, DR6, DR440 model) .................................... 57

7-14. Schematic Diagram – Power (2/2) Section –

(DR4, DR5, DR6, DR440 model) .................................... 59

7-15. Printed Wiring Board – Power Section –

(DR4, DR5, DR6, DR440 model) .................................... 61

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7-16. Schematic Diagram – Power (1/2) Section –

7-17. Schematic Diagram – Power (2/2) Section –

7-18. Printed Wiring Board – Power Section –

7-19. Schematic Diagram – Panel FL Section – ........................ 69

7-20. Printed Wiring Board – Panel FL Section – ..................... 71

7-21. Schematic Diagram – Panel VR Section – ....................... 73

7-22. Printed Wiring Board – Panel VR Section – .................... 75

7-23. Schematic Diagram – TC Panel Section – ....................... 77

7-24. Printed Wiring Board – TC Panel Section –..................... 79

7-25. Schematic Diagram – CD Panel Section – ....................... 81

7-26. Printed Wiring Board – CD Panel Section – .................... 83

7-27. Schematic Diagram – CD Motor Section – ...................... 85

7-28. Printed Wiring Board – CD Motor Section –...................87

7-29. Schematic Diagram – Jack Section – ............................... 89

7-30. Printed Wiring Board – Jack Section – ............................ 91

7-31. Schematic Diagram – Trans Section –

7-32. Printed Wiring Board – Trans Section –

7-33. Schematic Diagram – Trans Section –

7-34. Printed Wiring Board – Trans Section –

7-35. Schematic Diagram – Leaf SW Section – ...................... 100

7-36. Printed Wiring Board – Leaf SW Section – ................... 100

7-37. IC Block Diagrams ......................................................... 101

7-38. IC Pin Functions ............................................................. 102

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8. EXPLODED VIEWS

8-1. Case and Back Panel Section ............................................ 105

8-2. Front Panel Section 1 ........................................................ 106

8-3. Front Panel Section 2 ........................................................ 107

8-4. Chassis Section ................................................................. 108

8-5. TC Mechanism Section 1 (TCM230AWR2/230PWR2)... 109
8-6. TC Mechanism Section 2 (TCM230AWR2/230PWR2)... 110

8-7. CD Mechanism Section (CDM37M-5BD32L).................111

8-8. Base Unit Section (BU-5BD32L) ..................................... 112

9. ELECTRICAL PARTS LIST ...................................... 113

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(W300, W5000, XB500 model) ....................................... 63

(W300, W5000, XB500 model) ....................................... 65

(W300, W5000, XB500 model) ....................................... 67

(W300, W5000, XB500 model) ....................................... 93

(W300, W5000, XB500 model) ....................................... 95

(DR4, DR5, DR6, DR440 model) .................................... 97

(DR4, DR5, DR6, DR440 model) .................................... 99

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Front Panel

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SECTION 2

GENERAL

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LOCATION OF PARTS AND CONTROLS

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1 1/u (Power) button and indicator
2 DEMO (STANDBY) button

(DR4/DR5/DR6/DR440)
POWER SAVE/DEMO (STANDBY)
button (W300/W5000/XB500)

3 DISPLAY button
4 SPECTRUM ANALYZER button
5 Display window
6 GEQ control button
7 SYNC BASS button
8 SYNC EQ button
9 Remote sensor
10 PTY button (XB500)
11 TUNING MODE button
12 STEREO/MONO button
13 ENTER/NEXT button and indicator
14 TUNER MEMORY button
15 TUNER/BAND button
16 TUNING - button
17 TUNING + button
18 FUNCTION button
19 VOLUME knob
20 PHONES jack
21 MIC LEVEL knob
22 MIX MIC jack
23 GROOVE button and indicator

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24 SUPER WOOFER button and indicator
25 MODE button
26 ª (B Deck) button and indicator
27 · (B Deck) button and indicator
28 p (B Deck) button
29 0 (B Deck) button
30 ) (B Deck) button
31 P (B Deck) button
32 r REC (B Deck) button
33 HI-SPEED DUB button
34 CD SYNCHRO button
35 PLAY MODE button
36 REPEAT button
37 0 (CD) button
38 ) (CD) button
39 ·P (CD) button and indicator
40 p (CD) button
41 DISK SKIP button
42 = AMS + knob
43 VIDEO2 INPUT jacks
44 EDIT button
45 NON-STOP button and indicator
46 LOOP button
47 FLASH button
48 DISC 5 button
49 DISC 4 button

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50 DISC 3 button
51 DISC 2 button
52 DISC 1 button
53 DOLBY NR button
54 DIRECTION button
55 ) (A Deck) button
56 0 (A Deck) button
57 p (A Deck) button
58 · (A Deck) button
59 ª (A Deck) button
60 KARAOKE PON/MPX button
61 SURROUND button and indicator
62 EFFECT button and indicator
63 ENTER button and indicator
64 GEQ CONTROL button
65 P. FILE MEMORY
66 Equalizer indicators
67 t/CLOCK SET button
68 SLEEP button
69 REC button and indicator
70 DAILY button and indicator

• AMS is the abbreviation for Automatic
Music Sensor.

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This section is extracted from
instruction manual.

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SECTION 3

DISASSEMBLY

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

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3-1. FRONT PANEL

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Front panel

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Connector (CN702)

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Three flat type wires

(CN303,CN304,CN431)

Connector (CN802)

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Connector (CN452)

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Four screw (BVTP 3x8)

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3-2. MAIN BOARD

13942296513

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Screw (BVTP 3x8)

(HCD-W300/W5000/XB500)

!∞

Back panel

!¢

Power cord

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Screw (BVTP 3x8)

(HCD-XB500)

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(HCD-DR4/DR440/W300/W5000)

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Three screws (BVTP 3x8)

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Fan motor

(Except XB500)

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(HCD-DR5/DR6)

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Two screws (BVTP 3x8)

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Seven screws (BVTP 3x8)

!¶

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Flat type wire (CN411)

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Connector (CN412)

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Main board

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Connector (CN903)

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T uner unit

!§

Two screws (BVTP 3x8)

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3-3. SUB PANEL

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Open the CD lid assembly

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Two screws (BVTP 2.6x8)

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Two screws (BVTP 2.6x8)

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Sub panel block

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3-4. CD-L/CD-R BOARD AND CD LID ASSEMBLY

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Three screws (BVTP 2.6x8)

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Bracket (CD-L)

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CD-L board

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Three screws

(BVTP 2.6x8)

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Torsion spring (CD-L)

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Knob (CD)

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Nut

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Front input board

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Torsion spring (CD-R)

Torsion spring (CD-L)

Sub panel assembly

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CD lid assembly

CD lid assembly

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CD-R board

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(BVTP 2.6x8)

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Bracket (CD-R)

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Two screws (BVTP 2.6x8)

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3-5. TAPE MECHANISM DECK AND CASSETTE LID

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Cassette lid (A) block

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Portion

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Two screws (BVTP 2.6x8)

Portion

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Three screws

(BVTP 2.6x8)

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Portion

2

Release

(Refer to order No.

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3-6. CD MECHANISM DECK 3-7. BASE UNIT

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Portion

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Five screws (BVTP3x8)

Release

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Portion

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Torsion spring (TC-B)

Portion

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T ape mechanism

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CD mechanism

deck

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Yoke fitting

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3-8. DISC TABLE

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Note:

When the disc table is installed, adjust the positions of
roller cam and mark ” as shown in the figure, then set to
the groove of disc table.

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Bracket (BU)

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Stop screw

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Disc table

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SECTION 4

SERVICE MODE

MC 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

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Procedure:

1. Press three buttons t/CLOCK SET , ENTER , and 1/u simultaneously.

2. “COLD RESET” is displayed on the fluorescent display tube and reset is executed.

CD Delivery Mode

• This mode moves the pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair.

Procedure:

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

2. Press LOOP button and 1/u button simultaneously.

3. A message “LOCK” is displayed on the fluorescent indicator tube, and the CD delivery mode is set.

MC Hot Reset

• This mode resets the set with the preset data kept stored in the memory . The hot reset mode functions same as if the po wer cord is plugged
in and out.

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Procedure:

1. Press three buttons t/CLOCK SET , ENTER , and DISC 1 simultaneously.

2. The fluorescent indicator tube becomes blank instantaneously, and the set is reset.

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TEL [phone] QQ 376315150 892498299

Sled Servo Mode

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

Procedure:

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

2. Press three buttons t/CLOCK SET , ENTER , and DISC 5 simultaneously.

3. The Sled Servo mode is selected, if “CD” is blanking on the fluorescent indicator tube.

4. With the CD in stop status, When the = AMS + knob is rotated in the clockwise direction, the pick-up moves outside. When

rotated counterclockwise, it moves inside.

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

1) Move the pick-up to the most inside track.

2) Execute MC cold reset. (Press the three buttons t/CLOCK SET , ENTER , and 1/u button simultaneously.)

Note:

TEL

• Always move the pick-up 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.

Change-over of AM Tuner Step between 9kHz and 10kHz

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

Procedure:

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

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

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

4. Press ENTER and 1/u buttons simultaneously, and the display of fluorescent indicator tube changes to “AM 9k STEP” or “AM 10k

STEP”, and thus the channel step is changed over.

LED and Fluorescent Indicator Tube All Lit, Key Check Mode

Procedure:

1. Press three buttons t/CLOCK SET , ENTER , and DISC 2 simultaneously.

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 @ V0 J0”. Each time a button is pressed , “K”value increases. Howe ver ,

once a button is pressed, it is no longer taken into account.
“J” Value increases like 1, 2, 3 ... if rotating = AMS + 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 manner as step 1, or disconnect the power cord.

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AMS Test Mode

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TEL [phone] QQ 376315150 892498299

• This mode is used for checking the AMS operations of the tape deck.

Q

JIG
7-819-039-12 Alignment tape, AMS-110A

Procedure:

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

2. Set the tape (AMS-110A).

3. Press the three buttons t/CLOCK SET , ENTER , and DISC 3 button simultaneously.

4. “TEST MODE” is displayed on the fluorescent display tube.

5. Press the FUNCTION button and switch the function to the deck with the tape (AMS-110A).

6. Press the CD SYNCHRO button. “AMS CHECK” is displayed on the fluorescent display tube and the tape is rewound.

7. AMS starts in the normal direction. If the AMS count is 2 at shut down, proceed to step 8.
“NG” is displayed at other times, and the deck stops.

8. AMS starts in the opposite direction. If the AMS count is 2 at shut down again, “OK” is displayed.
“NG” is displayed at other times.

Aging Mode

During the aging mode, both the CD player and tape deck are executed together.

• If an error occurs:

Aging stops, and the error state is displayed on the fluorescent display tube.

• If no error occurs:

Aging is repeated.

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2

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TEL [phone] QQ 376315150 892498299

Procedure:

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

2. Load 10 minute tapes with unbent rec-proof tabs in decks A and B.

3. Set CDs on the DISC 1 and DISC 4 tables.

4. Set the CD mode REPEAT to OFF and PLAY MODE to ALL DISCS.
(Press the PLAY MODE and REPEAT buttons to set these modes.)

5. Press the FUNCTION button to switch the function to “CD”.

6. Press the three buttons t/CLOCK SET , ENTER , and DISC 4 button simultaneously.

TEL

13942296513

7. Aging starts.

8. To end aging, press the 1/u button to turn the set OFF.

Aging Sequence:

Aging is performed in the following sequence.

• T a pe Deck

1. The tape in deck A is rewound. “TAPE A AG-1” is displayed.

2. The FWD side of deck A is played for two minutes.
“TAPE A AG-2” is displayed.

3. The tape in deck A is fast forwarded. “TAPE A AG-3” is displayed. Fast forward is carried out for 20 seconds or to the tape end.

4. The RVS side of deck A is played for two minutes.
“TAPE A AG-4” is displayed.

5. The tape in deck A is rewound. “TAPE A AG-5” is displayed.

6. The FWD side of deck B is played for two minutes.
“TAPE B AG-2” is displayed.

7. The tape in deck B is fast forwarded. “TAPE B AG-3” is displayed. Fast forward is carried out for 20 seconds or to the tape end.

8. The RVS side of deck B is played for two minutes.
“TAPE B AG-4” is displayed.

9. The tape in deck A is rewound. “TAPE A AG-5” is displayed.

10. Repeated from step 2.

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2

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9

• CD

1. The tray rotates.

2. DISC 1 is chucked.

3. The TOC is read.

4. The first track is played for 2 seconds.

5. The last track is played for 2 seconds.

6. The tray rotates.

7. DISC 4 is chucked.

8. The TOC is read.

9. The first track is played for 2 seconds.

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10. The last track is played for 2 seconds.

11. Repeated from step 1.

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• Display when ended abnormally
When the tape deck is abnormal:

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The state when ended abnormally is displayed.
The contents of display are the same as that during aging.

When the CD player is abnormal:

A message indicating that errors such as “CD MEC ERR” have occurred.
Check the error contents in the following error history display mode.

Error History Display Mode

Mode which enables the history of error occurring in the CD player to be checked.
Execute this mode after ending the aging mode.

Procedure:

TEL [phone] QQ 376315150 892498299

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

2. Press the three buttons t/CLOCK SET , ENTER , and CD SYNCHRO simultaneously.

3. A message such as “EMC@@EDC**” is displayed.
@@ : Number of mechanical errors (Up to three past errors)
** : Number of errors (NO DISC ERROR) which occurs after chucking (Up to three past errors)

4. When checking the history of mec hanical errors, press the PLAY MODE button. When checking errors after chucking, press the
REPEAT button to switch the display.

5. Press the 1/u button to end and turn the set OFF.

6. To erase the error history, perform COLD reset.
(Press the three buttons t/CLOCK SET , ENTER , and DISC 1 simultaneously.

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1

5

1

5

0

8

9

2

4

9

8

2

9

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TEL [phone] QQ 376315150 892498299

• Viewing the mechanical error history display

(Switch the history by pressing the PLAY MODE button.)

Display
E@@M#*****

TEL

@@ : Error number. 00 is the newest.

# : Operating state of table

0 : Currently in the INITIAL mode
7 : Currently rotating to the right
8 : Currently rotating to the left
A : Currently chucking down
B : Currently chucking up

* : In valid

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• Viewing the NO DISC ERROR history display

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TEL [phone] QQ 376315150 892498299

(Switch the history by pressing the REPEAT button.)

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Display
E@@D##$$%*

@@ : Error number. 00 is the newest

## : Error contents

$$ : Retries

% : State when determined as NO DISC
1 : When stopped
2 : At setup
3 : At TOC READ
4 : When accessing
5 : When playing
6 : When pausing
7 : When manual searching (during play)
8 : When manual searching (during pausing)
* : In valid

7

3

01: Focus error
02: GFS error
03: Setup error

00: NO DISC is determined without attempting chucking retry
02: NO DISC is determined after chucking retry.

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0

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13942296513

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SECTION 5

MECHANICAL 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 [phone] QQ 376315150 892498299

Mode

FWD
FWD

back tension
REV

REV
back tension

FF/REW

FWD tension

REV tension

3

7

6

Torque meter

CQ-102C

CQ-102C

CQ-102RC

CQ-102RC

CQ-201B

CQ-403A

CQ-403R

1

3

Meter reading

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

31 to 71 g • cm

(0.43 – 0.98 oz • inch)

2 to 6 g • cm

(0.02 – 0.08 oz • inch)

71 to 143 g • cm

(0.98 – 1.99 oz • inch)

100 g or more

(3.53 oz or more)

100 g or more

(3.53 oz or more)

5

1

5

0

ELECTRICAL ADJUSTMENTS

DECK SECTION 0 dB=0.775V

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

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

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

4. The adjustments should be performed with the rated power sup­ply 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.

P-4-A100

WS-48B

P-4-L300

Record/Playback Head Azimuth Adjustment
(Deck A, Deck B)

Note: Perform this adjustments for both decks.

Procedure:

1. Mode : Playback

SECTION 6

9

8

Signal

10 kHz, –10 dB

3 kHz, 0 dB

315 Hz, 0 dB

2

4

9

Used forTape

Azimuth Adjustment

Tape Speed Adjustment

Level Adjustment

8

2

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TEL [phone] QQ 376315150 892498299

TEL

13942296513

test tape
P-4-A100
(10kHz, –10dB)

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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 1 dB of peak.

L-CH
peak

screw
position

3

7

R-CH
peak

6

3

output
level

1

5

set

within
1 dB

1

0

5

MD OUT

L-CH
peak

8

2

9

level meter

R-CH
peak

+
–

4

8

9

within 1dB

screw
position

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3. Mode: Playback Tape Speed Adjustment (Deck A)

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test tape
P-4-A100
(10kHz, –10dB)

6

3

1

5

MD OUT

1

5

oscilloscope

0

4

2

9

8

Note: Set the test mode using the following method and begin tape

speed adjustment.
In the test mode, the speed will switch to double speed or
normal speed each time the HI-SPEED DUB button is pressed.

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set

Waveform of oscilloscope

TEL [phone] QQ 376315150 892498299

in phase 45

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

Adjustment Location: Playback Head (Deck A)

Remove the cassette lid.

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°

good

Record/Playback/Erase Head (Deck B)

135

90

°

°

wrong

180

°

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Procedure:

With the power turned ON, press the t/CLOCK SET button,
ENTER button, and DISC 3 button simultaneously.
(The “VOLUME” on the fluorescent display tube will blink while
in the test mode.)
To exit the test mode, press the 1/u button.

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

2. Press the · button of deck B.

3. Press the HI-SPEED DUB button and play the tape at double speed.

4. Adjust RV1001 of the LEAF SW board so that the reading of
the frequency counter becomes 6000 ± 180 Hz.

5. Press the HI-SPEED DUB button and play the tape at normal speed.

6. Adjust RV1002 of the LEAF SW board so that the reading of
the frequency counter becomes 3000 ± 90 Hz.

Adjustment Location: LEAF SW board

Sample Value of Wow and flutter

W.RMS (JIS) less than 0.3%
(test tape: WS-48B)

Playback Level Adjustment (Deck A, Deck B)

Procedure:

Mode: Playback

7

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6

test tape
P-4-L300
(315Hz, 0dB)

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4

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9

level meter

2

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9

Reverse Foward

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set

MD OUT

Deck A is RV311 (L-CH) and RV411 (R-CH), deck B is RV301
(L-CH) and RV401 (R-CH)
so that adjustment within the following adjustment level.

Adjustment level:

CN301 playback level: 301.5 to 338.3 mV (–8.2 to –7.2 dB)
level difference between the channels: within ± 0.5 dB
Adjustment Location: AUDIO board

Adjustment Location
[LEAF SW BOARD]

RV1001(High Speed)
RV1002(Normal Speed

RV1002 RV1001

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Record Bias Adjustment (Deck B)

7

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Procedure:

INTRODUCTION

When set to the test mode performed in Tape Speed Adjust­ment, when the tape is rewound after recording, the “REC memory

mode” which rewinds only the recorded portion and playback is
set.
This “REC memory mode” is convenient for performing this ad­justment. During recording, the input signal FUNCTION will auto­matically switch to VIDEO 1.
(After recording, press the 0 button without stopping will re­turn to the position where recording was started.)

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

TEL [phone] QQ 376315150 892498299

2. Insert a tape into deck B, press the r REC button, and then
press the · button to start recording.

3. Mode: Record

AF OSC

3

attenuator

6

VIDEO 1 (AUDIO) IN

1) 315 Hz

2) 10 kHz

600

Ω

1

3

} 50 mV (–23.8 dB)

set

5

blank tape
CS-123

1

5

Record Level Adjustment (Deck B)

0

Procedure:

INTRODUCTION

When set to the test mode performed in Tape Speed Adjust­ment, when the tape is rewound after recording, the “REC memory

mode” which rewinds only the recorded portion and playback is
set.
This “REC memory mode” is convenient for performing this
adjustment. During recording, the input signal FUNCTION will au­tomatically switch to VIDEO 1.
(After recording, press the 0 button without stopping will re­turn to the position where recording was started.)

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

2. Insert a tape into deck B, press the r REC button, and then
press the · button to start recording.

3. Mode: Record

AF OSC

attenuator

2

9

8

VIDEO 1 (AUDIO) IN
315Hz 50 mV (–23.8 dB)

600

Ω

4

set

9

2

8

blank tape
CS-123

9

9

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4. Mode: Playback

TEL

recorded
position

5. Confirm playback the signal recorded in step 2 become adjust­ment level as follows.
If these levels do not adjustment lev el, adjust the R V341 (L-CH)
and R V441 (R-CH) on the A UDIO board to repeat steps 3 and 4.

Adjustment level: The playback output of 10 kHz le vel dif ference

Adjustment Location: AUDIO board

Adjustment Location:

[AUDIO BOARD] (Conductor Side)

13942296513

set

MD OUT

against 315 Hz reference should be ± 1.0 dB.

RV341(Lch),RV441(Rch)
Record Bias

level meter

RV311(Lch),RV411(Rch)
Playback Level (Deck A)

4. Mode: Playback

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5. Confirm playback the signal recorded in step 2 become adjust-

Adjustment level:

CN403 playback level: 47.2 to 53.0 mV (–24.3 to –23.3 dB)

Adjustment Location: MAIN board

recorded
position

set

MD OUT

ment level as follows.
If these levels do not adjustment lev el, adjust the R V301 (L-CH)
and R V351 (R-CH) on the MAIN board to repeat steps 3 and 4.

[MAIN BOARD] (Conductor Side)

level meter

2

9

9

RV301 RV401

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RV441 RV341

RV301(Lch),RV401(Rch)
Playback Level (Deck B)

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IC301

6

3

RV351
Record Level (Rch)

Record Level (Lch)
RV301

14

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1

29

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TRANS board

SUB TRANS board

(W300/W5000/XB500)

MAIN board

PA board

CD-L board

CD-R board

LED (PANEL) board

DOOR SWITCH board

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

SECTION 7

DIAGRAMS

CD SECTION

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Note:

1. CD Block is basically constructed to operate without adjustment.

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

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

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

S Curve Check

TEL [phone] QQ 376315150 892498299

Procedure :

1. Connect the oscilloscope to test points TP (FE) and TP (VC).

2. Connect TP (FEI) and GND, and TP (AGCCON) and GND of

3. Press the 1/u button to turn the set ON.

4. With the disc (YEDS-18) loaded, press the ·P button and

5. Check the symmetry and peak to peak level of the oscilloscope

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Therefore, check each item in order given.

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

the BD board with lead wires.

perform focus search. (Focus search will be performed in the
same way even while the disc table is pushed in and out.)

waveform (S curve) at this time.

3

BD board

TP (FE)
TP (VC)

7

oscilloscope

+
–

6

E-F Balance (1 Track Jump) check

3

1

Procedure:

1. Connect oscilloscope to test point TP (TE) on BD board.

2. Press the 1 /u button to turn the unit ON.

3. Put disc (YEDS-18) in to play the number five track.

4. Press the ·P button.

5. Check the level B of the oscilloscope's waveform and
the A (DC voltage) of the center of the Traverse wave­form.
Confirm the following:

• A/B x 100 = less then ± 22 (%)

• B = 1.3 ± 0.6 Vp-p

1 track jump waveform

0V

5

BD board

TP (TE)
TP (VC)

1

5

oscilloscope

+
–

0

Center of the waveform

B

A (DC voitage)

7-1. CIRCUIT BOARDS LOCATION

8

PANEL FL board

TC-A board

PANEL VR board

9

FRONT INPUT board

2

4

TUNER UNIT

TC-B board

9

JACK board

8

2

9

9

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S-curve waveform

T

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L

6. After check, remove the lead wire connected in step 2.
Note: • Try to measure several times to make sure than the ratio of

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

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

RF Level Check

BD board

TP (RF)
TP (VC)

Procedure :

1. Connect oscilloscope to test point TP (RF) and TP (VC) on BD
board.

2. Press the 1/u button to turn the set ON.

3. Put disc (YEDS-18) in and playback 5 track.

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

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

clearly distinguished at the center of the waveform.

1

symmetry

3

9

A

B

oscilloscope

+
–

4

Within 3

2

±

1 Vp-p

2

level : 1.3

9

6

5

1

3

Adjustment Location :

[ BD BOARD ] — SIDE A —

TP
(VC)

TP
(RF)

TP
(AGCCON)

TP
(TE)

TP
(FE1)

TP (FE)

±

0.6 Vp-p

Symmetry

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7

3

LEAF SW board

AUDIO board

6

3

1

5

1

5

0

8

TABLE SENSOR board

9

4

2

BD board

9

8

2

9

9

RF signal waveform

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

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level : 1.45 ± 0.25 Vp-p

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CD MOTOR board

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HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

7-2. BLOCK DIAGRAMS

– BD (CD) SECTION –

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OPTICAL PICK-UP BLOCK

(KSS-213B/K-N)

DETECTOR

E

ABC

D

F

3

VCC
VC

A
C
D
B

7

A

5

C

7

D

8

B

6

6

IC103

RF AMP

RF

SUMMING

AMP

FOCUS
ERROR

AMP

RF EQ

AMP

3

RF

16

FF

14 49

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9

CH2FIN

CH2RIN

CH1FIN

CH1RIN

CH3RIN

CH3FIN

CH4SIN
CH4BIN

MUTE

TRACKING

APCLD/PD

AMP

4

5
6

2
3

23
24

25
27

20

ERROR

AMP

TFDR
TRDR

FFDR
FRDR

SRDR
SFDR

BUFFER

HOLD SW

2

VC

TE

13

VC

REF

2

1521

LDON

9

12

22

6

• SIGNAL PATH
: CD
: Digital out

09

FD

PD

T

TRACKING

COIL

FOCUS

COIL

LASER

DIODE

POWER

E

LD

L

M102
SLED

MOTOR

M101

SPINDLE

MOTOR

E

F

LD

DRIVE

Q101

T+

T–

F+

F–

SD+

M

SD–

SP+

M

SP–

E

11

F

10

LD

3

PD

4

VREF

IC102

FOCUS/TRACKING COIL DRIVE

1

3

SPINDLE/SLED MOTOR DRIVE

CH2OUTR

11

CH2OUTF

12

CH1OUTF

14

CH1OUTR

13

CH3OUTF

17

CH3OUTR

18

CH4OUTF

15

CH4OUTR

16

VC

1

5

INTEG­RATOR

1

5

INTEG­RATOR

VC

3

1

IC101

DIGITAL SERVO

DIGITAL SIGNAL PROCESSOR

RF AC

51

ASY1

ASYMMETRY
CORRECTION

ASY0

48

VC

38

CE

42

RFDC

43

FE
TE

SE

CE

TFDR
TRDR

FFDR
FRDR

SRDR
SFDR

MDP

OPERATIONAL

AMPLIFIER

ANALOG
SWITCH

PWM

GENERATOR

TRACKING

PWM

GENERATOR

FOCUS

PWM

GENERATOR

SLED
PWM

GENERATOR

DIGITAL

CLV

39
41

40

42

30
31

32
33

29
28

26

5

DIGITAL

PLL

A/D

CONVERTER

SERVO DSP

TRACKING

0

SERVO

FOCUS
SERVO

SLED

SERVO

Q

16K

RAM

EFM

DEMODULATION

Q

SUBCODE

PROCESSOR

SERIAL IN

INTERFACE

OVER SAMPLING

DIGITAL FILTER

3rd ORDER

NOISE SHAPER

PWM PWM

3

7

6

8

DATA BUS

3

ERROR

CORRECTOR

D/A

INTERFACE

1

9

SERVO

AUTO

SEQUENCER

5

1

2

INTERFACE

INTERFACE

5

TIMING

LOGIC

DIGITAL

OUT

CPU

SERVO

0

4

XTA1

STAO

D OUT

XRST
SQSO
SQCK

SENS

DATA

XLAT

CLOK

SCOR
XLON

SCLK
SSTP

RMUT

LMUT

LMUT

AIN1

LOUT1

LOUT2

AIN2

LOUT2

8

66

67

60

3
1
2

8

5
6

7

20
14

9

27

79

80

70

71

72

77

76

75

9

S101

LIMIT SW

9

X101

16.9344MHz

2

8

DOUT

XRST
SQSO

SENS

DATA
XLT

CLOK

SCOR

SQCK
+5V

4

L OUT

R OUT
HOLD

2

SECTION

(Page 25, 27)

8

9

A

MAIN

2

9

9

9

TEL [phone] QQ 376315150 892498299

9

w

w

w

.

x

i

a

o

y

u

1

6

3

.

c

o

– 21 – – 22 –

m

– DECK SECTION –

IC601

IC602

R

4

3

7

RV311

PLAYBACK

LEVEL

DECK A

RV301

PLAYBACK

LEVEL

DECK B

RV341

9

REC
BIAS

REC BIAS

6

4

48
46

36

BIAS OSC

T621, Q621, 622

2

2

3

16

A IN
B IN

EQOUT

9

Q

TEL [phone] QQ 376315150 892498299

HP101
PB HEAD
(DECK A)

REC/PB HEAD

(DECK B)

HRPE101

ERASE HEAD

T

Q

L

R

L

R

X

E

L

3

R CH

R CH

3

P

ERASE BIAS

IC611

1

REC/PB

1

PB-A/B

+7.5V

1

EQIN

Q623

6

5

38

5

DOLBY NR
IC301

RV301

REC LEVEL

1

120

70

3

S1004

A CrO

17

A 120/70

39

1

S1008
B CrO

2

19

B NORM/CROM/

METAL

DOLBY NR

RECOUT

BIAS SW

D

32

31, 33

PAS

DOL

M

CAPSTAN

MOTOR

2

M1

DOLBY
TYPE B

5

28

27

M

MS

0

26

PB OUT

LM ON/

NORM/

HIGH

NR ON/

PB

BIAS ON/OFF

RM ON/OFF

ALC ON/OFF

CAP MOTOR
CONTROL
Q336-343

RV1002

Q

NORMAL

SPEED

OFF

OFF

LIN

SPEED

CONTROL

Q1001

40

25

18

23

24

43

20
22
15

Q

RV1001

HIGH

SPEED

CN301

1

3

3

R CH

SWITCH

Q335

7

REEL
DETECT
IC1001

6

8

PB A/B

MS OUT

TC PB L

LM ON/OFF

NORM/HIGH

NR ON/OFF

REC/PB/PASS

TC REC L

BIAS ON/OFF
RM ON/OFF

ALC ON/OFF

RELAY

CAPM CNT1

CAPM CNT2

CAP M H / L

3

A SHUT

1

9

5

1

2

B

MAIN

SECTION

0

5

(Page 25,

26, 27)

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

4

9

8

2

9

9

TEL [phone] QQ 376315150 892498299

9

9

2

8

9

4

2

9

8

REEL
DETECT
IC1002

S1001 (A PLAY)

• R CH : Same as L ch

• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)

09

• PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.

A DECK/
B DECK
PLUNGER

TRIGGER
MOTOR
CONTROL
Q331-334

+5V

S1003

(A HALF)

S1005

(REC A)

S1006

(B HALF)

S1009

(REC B)

S1002 (B PLAY)

+5V

+5V

B SHUT

A PLAY

B PLAY

A HALF

B HALF/REC A/REC B

B TRIG

A TRIG

w

w

w

.

x

– 23 –

i

a

o

y

u

1

6

3

.

c

o

m

– 24 –

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

– MAIN (1/2) SECTION –

Q

TEL [phone] QQ 376315150 892498299

DECK

SECTION

(Page 24)

CD

SECTION

(Page 22)

POWER

SECTION

(Page 30,

32)

Q

VIDEO 2

IN

VIDEO

IN

PHONO

(L IN)

FM/AM TUNER
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK

B

A

MD (L IN)

C

R, AUDIO

T

E

(L IN)

V2, AU,

L-CH IN

FRONT

(L IN)

TC PB L

MIC-SIG

L

3

J804

J702

J701

ST-L

CD-L

J701

J701

1

J804

J703

7

IC191

AV SWITCH

6

IN3

IN4

IN1

1

B

A

2 3 5

46 45 28

IC181 SELECTOR

12

X0

3

9

X1

14

15

X2

A

10 9

46 45

X

B

VD OUT

13

C

4

6

10

2

IC601

PHONO AMP

3

2

3

1

9

69

IN A2

IN B2

68

IN C2

67

IN D2

66

65

IN E2

MIC IN

2

6

64

IN F2

1

IC101

SOUND PROCESSOR 1

REC B2

BUS OUT2

REC A2

5

1

BUF IN2

5

L+R

BBA2

BBB2

30

57

36

58

39

38

3

37

1

SWITCH

Q114

44 34

SWITCH

Q115

5

SWITCH

Q111

7

TC REC L

SWITCH

Q112

0

(TA-MUTE)

Q

Q

MUTE

SWITCH

Q113

3

7

6

8

3

J702

SPEANA

J701

L-CH SIG

TC REC L

1

9

VIDEO

OUT

REC OUT

5

D

E

B

1

2

DISPLAY

SECTION

(Page 33)

POWER

SECTION

(Page 29, 31)

DECK

SECTION

(Page 24)

0

5

4

8

9

9

2

8

4

9

2

8

2

9

9

9

TEL [phone] QQ 376315150 892498299

9

• R CH: Same as L ch

• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO/MD

09

w

w

w

.

– 25 –

x

i

a

o

MUTE

SWITCH

Q803

D807

RESET

SWITCH

Q802

y

MAIN CONTROL

IC501 (1/2)

6

LINE-MUTE

MUTE

SWITCH

Q804

u

F-RELAY

3

1

6

DBFB-H/L

PL-CLK

PL-DATA

PL-LAT

V-MUTE

SW-MODE

493-LAT
BASS FREQ
FUNC-SEL1

493-DATA

7
23
24
25
28
34
38
44
45
46FUNC-SEL0
47
48493-MUTE

22AC-CUT

3

7
23
24
25
28
34
38
44
45
46
47
48

DISPLAY

F

(Page 33)

(Page 29, 31)

o

SECTION

POWER

SECTION

m

.

RESET

F-RELAY

G

c

– 26 –

– MAIN (2/2) SECTION –

Q

Q

H

POWER

SECTION

3

HP.SW

(Page 30,

32)

TEL [phone] QQ 376315150 892498299

A

BD (CD)

SECTION

(Page 22)

T

E

L

B

DECK

SECTION

(Page 24)

B-HALF/REC A/REC B

FM/AM TUNER
TUNER UNIT IS
SUPPLED AS THE
ASSEMBLED
BLOCK

SCOR

SQ-DATA

SQ-CLK

CD-DATA

CD-CLK

SENS

HOLD
X-LAT
X-RST

TRAY.SENS

TBL.L
TBL.R

UP SW

LED

B TRG
A TRG

CAPM-CNT 2
CAPM-CNT 1

CAP-M-H/L

1

MS OUT

LM ON/OFF

REC/PB/PASS

NR ON/OFF

RM ON/OFF

BIAS ON/OFF

NORM/HIGH

PB A/B

ALC ON/OFF

B PLAY
A PLAY
A-HALF

B SHUT
A SHUT

RELAY

RDS-INT

RDS-DATA

ST-MUTE

STEREO

TUNED

ST-CE

ST-DOUT

ST-DIN

ST-CLK

7

3

IC781

OPTIC

TRANSMITTING

D.OUT

9

4

6

36 H/P IN

19

SCOR

32

SQ-DATA

33

SQ-CLK

35

CD-DATA

37

CD-CLK

56

SENS

57

HOLD

58

XLT

59

XRST

61

DISC-SENS

63

TBL-L

65

TBL-R

68

ENC 3/UP-SW
ENC 2/DISC-LED

69

72

B-TRG

73

A-TRG

74

CAPM-CNT 2

75

CAPM-CNT 1

76

CAP-M-H/L

2

77

AMS IN

78

TC-MUTE

79

R/PB/PAS

80

NR-ON/OFF
REC-MUTE

81
82

BIAS

83

EQ-H/N

84

PB-A/B
ALC

85
86

B-PLAY-SW

87

A-PLAY-SW

88

A-HALF

89

B-HALF

90

B-SHUT

91

A-SHUT
TC-RELAY

100

20

RDS-INT

21

RDS-DATA

49

ST-MUTE

50

STEREO

51

TUNED

52

ST-CE

53

ST-DOUT

54

ST-DIN

55

ST-CLK

3

MAIN CONTROL

IC501 (2/2)

2

9

1

STK-POWER

PROTECT

FL OFF

STBY RELAY

HP MUTE

WAKE UP

IIC-CLK

IIC-DATA

6

XC-IN

XC-OUT

X-OUT

X-IN

POWER

CD-POWER

27

42
43
93

18
29
30

5

10

11

13

15

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

5

1

1

27

42
43
93

18
29
30

1

3

X501

X502

16MHz

2

5

1

5

W300,W5000,XB500

43

POWER

42

ECO

93

HP MUTE

1

STK POWER

27

PROTECT

30

DATA

29

CLOCK

18

WAKE UP

0

I

POWER

SECTION

(Page 29, 31)

J

DISPLAY
SECTION

(Page 33)

Q

Q

+UNREG, 12V

UN–10V

UN+10V

3

2

7

IC931

+10V

1 3

REG

IC932

+12V

1 3

REG

FAN DETECTOR

D405-409

IC951

–7V

2 3

REG

Q932
SWITCH

IC901

+7V

1 3

REG

6

IC911

+5V

1 3

REG

Q914

SWITCH

5

IC921

8

DETECTOR

3

Q905

1

SWITCH

2

Q931

SWITCH

Q901

SWITCH

2

9

Q931

Q932
SWITCH

Q932
SWITCH

Q902

5

SWITCH

SWITCH

2

SWITCH

FAN SWITCH

Q961, 963

1 3

1

Q901

Q902
SWITCH

Q913

2

IC933

+7V
REG

5

0

4

(LED–7V)

(LED+7V)

(D+5V SW)

(CD D+5V SW)

(CD A+5V SW)

PL A+10V

ST +10V

TC MOTOR+12V

M+7V (UNSW)

7V

A–7.5V

–V BIAS

–7

TC–7V

–7V

A+7.5V

+V BIAS

8

–7

TC–7V

–7V

LED 5V

LED 5V

D+5V UNSW

5V

AU D+5V

EVER +5V

D+5V (SW)

A+5V (SW)

9

FAN901

9

FAN

2

8

4

L

POWER

SECTION

2

8

9

(Page 29, 31)

2

9

9

9

TEL [phone] QQ 376315150 892498299

9

09

w

• R CH : Same as L ch

w

w

.

+5V

1 3

x

i

a

o

y

u

1

6

3

REG

.

c

Q921

SWITCH

o

m

– 27 – – 28 –

CD D+5V SW

CD A+5V SW

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

– POWER SECTION – (DR4, DR5, DR6, DR440 model)

Q

Q

3

7

6

3

1

5

1

5

0

8

9

2

4

9

8

2

9

9

VOLUME

CONTROL

8

MUTE

Q834

6

5

MIC VOLUME

RV850

15

VOLUME
CONTROL
D802, 852

THERMAL

SENSOR

Q831-832

MIC AMP

J801

MIX MIC

MAIN 1

SECTION

(Page 26)

TEL [phone] QQ 376315150 892498299

MAIN 1

SECTION

(Page 26)

MAIN 2

SECTION

(Page 28)

G

E

L

F-RELAY

L-CH IN

EVER +5V

HP-MUTE

POWER AMP & VOLUME CONTROL

22

THERMAL

SENSOR

13

D804

HEAD PHONE

MUTE
Q833

IC850 (1/2)

IC801

12

CONTROL

ECHO CONTROL

9

LPF 2 IN

OP 2 IN

11

1

LPF 1 IN

PROTECT

DC AMP

Q433-434

L-CH THERMAL

PROTECT SWITCH

Q801

IC851

LPF 1 OUT

LPF 2 OUT

OP 2 OUT

LATCH

DRIVER

Q432

MIC LEVEL

RV851

2

8

10

RELAY

DRIVER

Q401-402

LATCH

DRIVER

Q437

PROTECT

SWITCH

Q439

MIC AMP

IC850 (2/2)

RY401

PROTECT

SWITCH

Q431

R-CH

MIC-SIG

MIC-SIG

J803

PHONES

HP.SW

TM401

L

FRONT

R

K

C

H

DISPLAY
SECTION

(Page 33)

MAIN 1

SECTION

(Page 25)

MAIN 2

SECTION

(Page 27)

TEL [phone] QQ 376315150 892498299

MAIN 2

SECTION

(Page 27)

09

T

E

L

I

• R CH : Same as L ch

• SIGNAL PATH
: FM

STK-POWER

PROTECT

1

3

9

DRIVE

MUTE

Q804

4

2

MUTE

SWITCH

Q803

2

9

6

VF (–35V)

5

1

SWITCH

Q904

3

–35V REG

Q903

+VH

RECT
D831

Q

Q

3

+UNREG. 12V

UN +10V

UN –10V

AC-L

AC-L

7

6

RECT

D833-836

RECT

D841-844

RECT

D832

3

VF

VF

1

POWER

1

5

TRANSFORMER

T951

5

MX ONLY

JW966

0

JW969

JW968

8

EXCEPT MX,AUS,TH

VOLTAGE

SELECTOR

VS901

AUS,TH

ONLY

9

2

9

9

2

8

9

4

AC

IN

w

w

w

.

– 29 – – 30 –

x

i

a

o

y

u

1

6

3

.

c

o

m

– POWER SECTION – (W300, W5000, XB500 model)

Q

Q

3

MIX MIC

7

J801

6

3

MIC AMP

IC850 (1/2)

1

MIC VOLUME

RV850

5

1

9

11

1

LPF 2 IN

OP 2 IN

LPF 1 IN

5

ECHO CONTROL

IC851

LPF 1 OUT

LPF 2 OUT

OP 2 OUT

0

2

8

10

MIC LEVEL

RV851

MIC AMP

IC850 (2/2)

8

9

2

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

2

9

9

MIC-SIG

MIC-SIG

J803

4

PHONES

9

K

C

8

DISPLAY

SECTION

(Page 33)

MAIN 1

SECTION

(Page 25)

MAIN 1

SECTION

(Page 26)

TEL [phone] QQ 376315150 892498299

MAIN 1

SECTION

(Page 26)

MAIN 2

SECTION

(Page 28)

T

MAIN 2

SECTION

(Page 27)

09

G

E

L

E

L

I

• R CH : Same as L ch

• SIGNAL PATH
: FM

F-RELAY

EVER +5V

HP-MUTE

1

3

STK-POWER

PROTECT

W300, W5000, XB500

L-CH IN

POWER

ECO

9

W300
W5000
XB500

4

POWER AMP & VOLUME CONTROL

22

14

THERMAL

SENSOR

13

12

D804

HEAD PHONE

MUTE
Q833

MUTE

2

2

9

DRIVE

Q804

IC801

VOLUME

CONTROL

8

MUTE

CONTROL

Q834

MUTE

6

SWITCH

Q803

5

6

5

15

7

1

W300
W5000
XB500

3

VOLUME

CONTROL

D802, 852

THERMAL

SENSOR

Q831-832

PROTECT

DC AMP

Q433-434

L-CH THERMAL

PROTECT SWITCH

Q801

LATCH

DRIVER

Q432

Q

Q

MAIN 2

2

XB500 ONLY

230V

JW954

F951

120V

W300
W5000
ONLY

SECTION

(Page 27)

9

4

8

STANDBY

RELAY
RY901

2

9

TEL [phone] QQ 376315150 892498299

9

AC

IN

HP.SW

RECT

D833-836

5

RECT

D841-844

RECT
D832

RECT

D902-905

RECT

D907-910

SWITCH

Q904-905

SWITCH

Q906

TM401

TM402

0

L

FRONT

R

L

REAR

R

W300 ONLY

TRANSFORMER

8

RELAY CONTROL

SUB-TRANSFORMER

VF

RY401

RELAY

DRIVER

Q401-402

7

Q903

Q907

+5.6V

PROTECT

SWITCH

6

RECT
D831

Q431

3

+UNREG. 12V

1

+5.6V

3

REG

IC901

POWER
SWITCH

Q902

5

UN +10V

UN –10V

VF

LATCH

DRIVER

Q437

PROTECT

SWITCH

Q439

3

+VH
–VH

VF

–30V REG

SWITCH

R-CH

JW76

R-CH

1

+VL

–VL

1

H

POWER

T951

9

STANDBY

Q901

T901

w

w

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

– 31 – – 32 –

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

– DISPLAY SECTION –

Q

Q

3

7

6

3

TEL [phone] QQ 376315150 892498299

X601

12.5MHz

(Page

F

26)

E

RESET

DATA

CLOCK

WAKE UP

A –7V
A +7V

L

MIC–SIG

SPE–ANA

1

D671 – D675

3

9

REC LEVEL

OUTPUT

DISPLAY CONTROL (FOR MIC)

4

2

2

3

LINE NF

4

LINE IN
REC IN

6

REC NF

5

IC603

9

REC LEVEL

F06
F05
F04
F02
F01

6

11

12
13
14
16
17

MAIN 1 SECTION

MAIN 2 SECTION

(Page

27)

(Page 30, 32)

POWER SECTION
MAIN 1 SECTION

(Page 26)

J

T

K

D

1

5

70

72

73
78
79
22

1

21
20
19
18
17
16

5

X IN

X OUT

RESET

2

C DATA

I

2

C CLK

I
WAKE UP

3

ALL BAND
BPF 4
BPF 3
BPF 2
BPF 1
BPF 0

SEG-1

45 67

1

DISPLAY CONTROL

IC601

23

GR-3 14, 2

29VF40, 42

5

0

SIRCS

JOG A
JOG B

LED SCK

LED LATCH

LED DAT

D-SW

LED SEL

VOLUME A
VOLUME B

KEY 0

KEY 4

DAILY LED

REC LED
LED-EC0

GR-1
GR-15
GR-16

1

2
8

3
4
5

80

7

9

10

11

Q

15

74
75
77

43
28
27

Q

REMOTE

CONTROL

RECIEVE

IC602

S702

JOG

ROTARY

ENCODER

S691

OPEN

Q601 – Q603

LED POWER

SWITCH

S701

VOLUME

ROTARY

ENCODER

KEY MATRIX

Q605 – Q607
LED DRIVER

Q608 – Q610

DRIVER

0

4

8

9

9

2

8

4

D700

1

2

5

8

SERIAL

PARALLEL

CONVERTER

IC604

6

P3
P5

P7
P11
P12
P14

P1

P2

3

•

•

•

14

CLK

15

STB

13

DATA

6

D604 – D607

D604 – D607

7

3

D601 – D603

9

D611, D612, D616, D618 – D621,
D623 – D627, D635 – D638

1
5

•

7
9

•

20
22

17

•

19

D631, D632

5

1

9

2

8

2

9

9

9

TEL [phone] QQ 376315150 892498299

9

09

w

w

w

FLUORESCENT INDICATOR TUBE

.

– 33 – – 34 –

x

i

a

o

FL601

y

u

1

6

3

.

c

o

m

2.5V

APPROX 500mVp-p (PLAY)

2.5V

APPROX 200m Vp-p (PLAY)

HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500

THIS NOTE IS COMMON FOR PRINTED WIRING

Q

TEL [phone] QQ 376315150 892498299

Q

BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)

For schematic diagrams.

Note:

• 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.

¢

•

• C : panel designation.

• U : B+ Line.

• V : B– Line.

• H : adjustment for repair.

• Voltages and waveforms are dc with respect to ground

• Voltages are taken with a VOM (Input impedance 10 MΩ).

• Waveforms are taken with a oscilloscope.

• Circled numbers refer to wavefor ms.

• Signal path.

• Abbreviation

For printed wiring boards.

Note:

• X : parts extracted from the component side.

•

•

• b : Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

: internal component.

Note:

The components identi-

fied by mark ! or dotted
line with mark ! are criti­cal for safety.

Replace only with part

number specified.

under no-signal (detuned) conditions.
Voltage var iations may be noted due to normal produc-

tion tolerances.
Voltage var iations may be noted due to normal pro-

duction tolerances.

T

E

F : FM
g : VIDEO/MD
E : PB (DECK A)
d : PB (DECK B)
G : REC (DECK B)
J : CD
c : digital out
I : PHONO

CND : Canadian model.
AUS : Australian model.

®
¢

L

: Through hole.
: internal component.

3

4

W or less unless otherwise

Note:

Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.

1

3

7

9

4

6

2

2

3

9

1

6

5

1

5

3

1

5

0

Q

Q

WAVEFORMS
– BD (CD) SECTION –

1

IC101 ^§ XTAI

2

IC101 %¡ RF AC

3

4

5

7

3

IC101 @§ MDP

8

16.9MHz

(PLAY)

IC101 $¡ TE

IC101 #ª FE

3

6

7.5µsec

3.1Vp-p

1.2Vp-p

2.4Vp-p

1

9

5

1

2

5

0

4

– MAIN (2/5) SECTION –

9

1

2

– PANEL FL SECTION –

1

9

8

8

16MHz

IC501 !£ X-OUT

32.768kHz

IC501 !¡ XC-OUT

12.5MHz

IC601 &™ X-OUT

4

2

9

2

8

5.5Vp-p

5.2Vp-p

3.4Vp-p

2

9

9

9

TEL [phone] QQ 376315150 892498299

9

• Indication of transistor

C

EB

These are omitted

C

Q

These are omitted

EB

w

w

w

.

x

– 35 –

i

a

o

y

u

1

6

3

.

c

o

m

– 36 –