Table Of Contents - Sony MZ-R909 Service Manual

MZ-R909
3) Measured in accordance with the J EITA (J a pa n
Electronic s a nd Informa tion Technology
Indust rie s Associa tion) standard.
4) Whe n using a 100 % fully charged rechargeable
battery.
5)
Whe n us ing a S ony LR6 (S G) " STAMINA "
a lka line dry battery (produce d in Japan).
When playing
(Unit: approx.hours )(JE ITA
Batteries S P LP2
Stereo Stereo
NH-14WM 24 27
nickel metal
hydride
rechargeable
2)
battery
LR6 (S G) 34 40
Sony alkaline
dry battery 3)
NH-14WM 64 75
nickel metal
hydride
rechargeable
2)
battery
+ On e LR6
3)
(SG)
1) Measured in a ccordance with the J EITA
(J apan Electronics and Informat ion
Te ch nology Indus trie s Ass ociat ion) s tan da rd.
2) When using a 100% fully charged
rechargeable ba tte ry.
3)
When using a Sony LR6 (S G) "STAMINA "
a lka line dry batte ry (produce d in Japan)
Supplied accessories
AC power adap tor (1)
Headphones/earphones with a remote control
(1)
Ba tte ry cha rging stand (Asse mbly needed) (1)
Rechargeable battery (1)
Dry battery case (1)
Rechargeable ba tte ry carrying cas e (1)
Carrying pouch/ca rrying case with a belt clip
(1)
AC plug adaptor (Exce pt HongKong model)
(1)
Optica l cable (1)
On power sources
• Us e house current, nickel me tal hydride
rechargeable batte ry, LR6 (s ize AA) battery.
or car battery.
•
For use in your house: For the s uppl ied battery
charging s tand, use the AC power adaptor
s uppl ied with this recorder. Do not use any other
AC power adaptor s ince it ma y cause the re corder
to malfuncti on.
P olarity of the
plug
Design and specifications are subject to change
without notice.
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 PUB-
LISHED BY SONY.
2
1)
)
LP4
Stere o
31
45
84

TABLE OF CONTENTS

1. SERVICING NOTES
2. GENERAL
................................................................... 4
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 5
3-2. Panel Assy, Bottom ......................................................... 5
3-3. Panel Assy, Upper Section .............................................. 6
3-4. "LCD Module", "Panel Assy, Upper" ............................ 6
3-5. MAIN Board Assy .......................................................... 7
3-6. "Case Assy, Battery", "MAIN Board" ........................... 7
3-7. Strip, Ornamental ............................................................ 8
3-8. "MD Mechanism Deck (MT-MZR909-171)",
"Chassis Assy, Set" ......................................................... 8
3-9. Service Assy, OP (LCX-4R) ........................................... 9
3-10. Holder Assy ..................................................................... 10
3-11. Motor, DC (Sled) (M602) ............................................... 10
3-12. "Motor, DC (Spindle) (M601)",
"Motor, DC (Over Write Head UP/DOWN) (M603)" ... 11
4. TEST MODE
.............................................................. 12
5. ELECTRICAL ADJUSTMENTS
6. DIAGRAMS
6-1. Block Diagram - SERVO Section - ............................... 34
6-2. Block Diagram - AUDIO Section - ............................... 35
6-3. Block Diagram - KEY CONTROL/DISPLAY/
POWER SUPPLY Section - ........................................... 36
6-4. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 37
6-5. Printed Wiring Board
- Main Board (Component Side) - ............................... 38
6-6. Printed Wiring Board
- Main Board (Conductor Side) - ................................. 39
6-7. Schematic Diagram - Main Board (1/4) - .................... 40
6-8. Schematic Diagram - Main Board (2/4) - .................... 41
6-9. Schematic Diagram - Main Board (3/4) - .................... 42
6-10. Schematic Diagram - Main Board (4/4) - .................... 43
6-11. IC Pin Function Description ........................................... 48
7. EXPLODED VIEWS
7-1. Panel Section ................................................................... 54
7-2. Chassis Section ............................................................... 55
7-3. MD Mechanism Deck Section (MT-MZR909-171) ....... 56
8. ELECTRICAL PARTS LIST
............................................... 3
......................... 18
............................... 57