Sony CMT-J3MD / HCD-J3MD Service Manual ▷ View online
5
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE WITH
MARK
0
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 MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE
0
SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
TABLE OF CONTENTS
1. SERVICING NOTE
·························································· 6
2. GENERAL
........................................................................ 18
3. DISASSEMBLY
3-1. Upper Cover ······························································· 21
3-2. Front Panel Section ····················································· 21
3-3. Panel Board ································································· 22
3-4. Main Board ·································································· 22
3-5. Cassette Machanism ···················································· 23
3-6. Power Transformer/AMP Board ································· 23
3-7. CD Mechanism Deck ·················································· 24
3-8. Tray, Gear and Cam ····················································· 24
3-11. BD (CD) Board, Spindle Motor (M101) and
3-2. Front Panel Section ····················································· 21
3-3. Panel Board ································································· 22
3-4. Main Board ·································································· 22
3-5. Cassette Machanism ···················································· 23
3-6. Power Transformer/AMP Board ································· 23
3-7. CD Mechanism Deck ·················································· 24
3-8. Tray, Gear and Cam ····················································· 24
3-11. BD (CD) Board, Spindle Motor (M101) and
Sled Motor (M102) ······················································ 25
3-9. CD Base Unit ······························································ 25
3-10. Optical Pick-Up Section Of CD
3-10. Optical Pick-Up Section Of CD
(KSS-213BA/F-NP) ···················································· 25
3-12. MD Mechanism Deck ················································· 26
3-13. Slider (Cam) ································································ 26
3-14. Base Unit (MBU-5A) and BD (MD) Board ················ 27
3-15. Over Write Head ·························································· 27
3-16. Optical Pick-Up Of MD (KMS-260B/J1N) ················ 27
3-17. Spindle Motor (M901) and
3-13. Slider (Cam) ································································ 26
3-14. Base Unit (MBU-5A) and BD (MD) Board ················ 27
3-15. Over Write Head ·························································· 27
3-16. Optical Pick-Up Of MD (KMS-260B/J1N) ················ 27
3-17. Spindle Motor (M901) and
Sled Motor (M902) (MD) ············································ 28
4. TEST MODE
.................................................................... 29
5. ELECTRICAL ADJUSTMENTS
34
6. DIAGRAMS
6-1. Block Diagrams
– BD (CD) Section – ··················································· 45
– BD (MD) Section (1/2) – ·········································· 46
– BD (MD) Section (2/2) – ·········································· 47
– Main Section – ························································· 48
– BD (MD) Section (1/2) – ·········································· 46
– BD (MD) Section (2/2) – ·········································· 47
– Main Section – ························································· 48
6-2. Circuit Boards Location ·············································· 49
6-3. Printed Wiring Board – BD (CD) Section – ················ 50
6-4. Schematic Diagram – BD (CD) Section – ··················· 51
6-5. Printed Wiring Board – BD (MD) Section – ··············· 52
6-6. Schematic Diagram – BD (MD) Section (1/2) – ········· 53
6-7. Schematic Diagram – BD (MD) Section (2/2) – ········· 54
6-8. Schematic Diagram – MAIN Section (1/2) – ·············· 55
6-9. Schematic Diagram – MAIN Section (2/2) – ·············· 56
6-10. Printed Wiring Board – MAIN Section – ···················· 57
6-11. Printed Wiring Board – MD DIGITAL Section – ······· 58
6-12. Printed Wiring Board – MD DIGITAL Section – ······· 59
6-13. Printed Wiring Board – AMP Section – ······················ 60
6-14. Schematic Diagram – AMP Section – ························· 61
6-15. Printed Wiring Board
6-3. Printed Wiring Board – BD (CD) Section – ················ 50
6-4. Schematic Diagram – BD (CD) Section – ··················· 51
6-5. Printed Wiring Board – BD (MD) Section – ··············· 52
6-6. Schematic Diagram – BD (MD) Section (1/2) – ········· 53
6-7. Schematic Diagram – BD (MD) Section (2/2) – ········· 54
6-8. Schematic Diagram – MAIN Section (1/2) – ·············· 55
6-9. Schematic Diagram – MAIN Section (2/2) – ·············· 56
6-10. Printed Wiring Board – MAIN Section – ···················· 57
6-11. Printed Wiring Board – MD DIGITAL Section – ······· 58
6-12. Printed Wiring Board – MD DIGITAL Section – ······· 59
6-13. Printed Wiring Board – AMP Section – ······················ 60
6-14. Schematic Diagram – AMP Section – ························· 61
6-15. Printed Wiring Board
– CASSETTE DECK Section – ·································· 62
6-16. Printed Wiring Board
– CASSETTE DECK Section – ·································· 63
6-17. Printed Wiring Board – PANEL Section – ·················· 64
6-18. Schematic Diagram – PANEL Section – ···················· 65
6-18. Schematic Diagram – PANEL Section – ···················· 65
6-19. Printed Wiring Board – POWER Section – ················· 66
6-20. Schematic Diagram – POWER Section – ·················· 67
6-21. Schematic Diagram – BD SWITCH Section – ·········· 68
6-22. Printed Wiring Board – BD SWITCH Section – ········· 68
6-23. Schematic Diagram – LOADING Section – ·············· 68
6-24. Printed Wiring Board – LOADING Section – ············ 68
6-25. IC Block Diagrams ······················································ 69
6-26 IC Pin Fuction Description ·········································· 74
6-20. Schematic Diagram – POWER Section – ·················· 67
6-21. Schematic Diagram – BD SWITCH Section – ·········· 68
6-22. Printed Wiring Board – BD SWITCH Section – ········· 68
6-23. Schematic Diagram – LOADING Section – ·············· 68
6-24. Printed Wiring Board – LOADING Section – ············ 68
6-25. IC Block Diagrams ······················································ 69
6-26 IC Pin Fuction Description ·········································· 74
7. EXPLODED VIEWS
7-1. Case and Casette Mechanism Deck
Section (CMAL1Z027A) ············································ 79
7-2. Front Panel Section ····················································· 80
7-3. Chassis Section ···························································· 81
7-4. Md Mechanism Deck Section-1 (MDM-5H) ·············· 82
7-5. Md Mechanism Deck Section-2 (MBU-5A) ··············· 83
7-6. CD Mechanism Deck Section-1
7-3. Chassis Section ···························································· 81
7-4. Md Mechanism Deck Section-1 (MDM-5H) ·············· 82
7-5. Md Mechanism Deck Section-2 (MBU-5A) ··············· 83
7-6. CD Mechanism Deck Section-1
(CDM55A-5SBD32) ··················································· 84
7-7. CD Mechanism Deck Section-2 (BU-5SBD32) ·········· 85
8. ELECTRICAL PARTS LIST
······································· 86
6
SECTION 1
SERVICING NOTE
Note 1: “R”
As this unit has only a few buttons, some operations require the use of remote commander (provided with RM-SJ373/unit: 1-418-554-11)
buttons. These operations are indicated as “R” in this manual.
Example: MENU/NO “R” ...Press the MENU/NO button of the remote commander.
As this unit has only a few buttons, some operations require the use of remote commander (provided with RM-SJ373/unit: 1-418-554-11)
buttons. These operations are indicated as “R” in this manual.
Example: MENU/NO “R” ...Press the MENU/NO button of the remote commander.
DRAWING OUT THE TRAY DURING POWER OUT
CLEANING THE OPTIAL PICKUP (CD PLAYER)
SERVICE POSITION OF THE MD MECHANISM
SERVICE POSITION OF THE CD MECHANISM
Tray (CDM)
Move the cam block in the direction
of arrow with a finger.
of arrow with a finger.
CD mechanism deck
Optical pick-up block
Floating screw
Clean the lens block
with applicator.
with applicator.
MD mechanism deck
CD mechanism deck
7
SERVICE POSITION OF THE POWER BOARD
SERVICE POSITION OF THE CASSETTE MECHANISM DECK
Cassette mechanism deck
1
Remove the TRANS board together with back panel
(referring to [MAIN Board] ) and move it in
the direction of the arrow.
the direction of the arrow.
2
Remove the AMP board together with
heat sink (referring to [POWER TRANSFORMER,
AMP Board], exploded views) and move it in the
direction of the arrow.
AMP Board], exploded views) and move it in the
direction of the arrow.
Back panel
TRANS board
MAIN board
Heat sink
AMP board
8
CD Text Display
• This unit displays CD text.
Text is displayed for the first 50 track only and will not be displayed from the 51st track onwards. Do not suspect a fault in this case.
In some cases, some special characters will not be displayed and may be replaced by other characters. D onot suspect a fault in this case.
In some cases, some special characters will not be displayed and may be replaced by other characters. D onot suspect a fault in this case.
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: (recommended)
Press the RESET button on the back panel.
Procedure 2:
1.
Press the RESET button on the back panel.
Procedure 2:
1.
When the power ON, press the ?/1 button while pressing the PLAY MODE/DIRECTION/TUNING MODE button and A (MD)
buttons together.
buttons together.
2.
“COLD RESET” is displayed on the fluorescent indicator tube and reset is executed.
Hot Reset
• This mode reset the preset data kept in the memory. The hot reset mode functions same as if the power cord is plugged in and out.
Procedure :
1.
1.
When the power ON, press the ?/1 button while pressing the PLAY MODE/DIRECTION/TUNING MODE button and MD 7
buttons together.
buttons together.
2.
Turn off the unit and reset is executed.
LED and Fluorescent Indicator Tube All Lit, Key Check Mode
Procedure :
1.
1.
When the power ON, press the
1/u button while pressing the PLAY MODE/DIRECTION/TUNING MODE button and CD 7
buttons together.
2.
LEDs and fluorescent indicator tube are all turned on.
3.
Press A (MD) to enter the model destination indecation mode. “MK 40J” appears.
4.
Every pressing of A (MD) changes the display in the following order. MC Version
t CD Version t ST Version t TC Version t
TA Version
t TM Version t model destination desplay.
5.
Press ENTER/START and the date appears as “1999/19/03”
6.
Press MD D to enter the key check mode.
7.
In the key check mode, the fluorescent indicator tube displays “Key 0 Vol 0”. Each time a button is pressed, “Key” value increases.
However, once a button is pressed, it is no longer taken into account.
“Vol” Value increases like “1, 2, 3 ...” if rotating VOLUME knob in the clockwise direction, or decreases like “0, 9, 8 ...” if rotating in
the counterclockwise diretion.
However, once a button is pressed, it is no longer taken into account.
“Vol” Value increases like “1, 2, 3 ...” if rotating VOLUME knob in the clockwise direction, or decreases like “0, 9, 8 ...” if rotating in
the counterclockwise diretion.
8.
To exit from this mode, press three buttons in the same procedure as step 1, or disconnect the power cord.
Note:
Press the lm/TUNING– button or ML/TUNING+ button for more than 1 second.
Press the lm/TUNING– button or ML/TUNING+ button for more than 1 second.
Click on the first or last page to see other CMT-J3MD / HCD-J3MD service manuals if exist.