Sony CDP-M7 / DHC-MD7 Service Manual ▷ View online
— 5 —
Power Supply During Servicing
This unit is not able to operate on its own because it does not have its own power supply. During servicing, connect to other units.
Power is supplied when the SYSTEM POWER button of the amplifier (TA-M7) is turned ON.
If the other units are not available, use a service box (PFJ-1) and jig (J-2501-078-A).
In this case, press the
Power is supplied when the SYSTEM POWER button of the amplifier (TA-M7) is turned ON.
If the other units are not available, use a service box (PFJ-1) and jig (J-2501-078-A).
In this case, press the
p button and TIME button and §OPEN/CLOSE button simultaneously to turn on the power.
[Connection Diagram]
Fluorescent Indicator Tube/Key Check Mode
After turning on the power, press the
p button, TIME button, and DISC 1 button simultaneously to perform the Fluorescent indicator tube
check.
The steps of the Fluorescent Indicator Tube check mode will proceed onto the next one by the above multiple pressing.
During the Fluorescent Indicator Tube check mode, press any button or rotate the selector knob to set the key check mode.
To end the mode, press the above three buttons simultaneously.
The steps of the Fluorescent Indicator Tube check mode will proceed onto the next one by the above multiple pressing.
During the Fluorescent Indicator Tube check mode, press any button or rotate the selector knob to set the key check mode.
To end the mode, press the above three buttons simultaneously.
Key check mode
Press any key or rotate the SELECTOR knob
Multiple pressing
Multiple pressing
Multiple pressing
Multiple pressing
SERVICE BOX (PFJ-1)
POWER SW
JIG
(J-2501-078-A)
(J-2501-078-A)
CN904
17P
17P
CN902
7P
7P
CN101 7P
SYSTEM CONTROL
SYSTEM CONTROL
FH-E939,838,937
CDP/TC
CDP/TC
CORD WITH CONNECTOR 17P
(Provided with PFJ-1)
(Provided with PFJ-1)
CORD WITH CONNECTOR 7P
(Provided with unit)
(Provided with unit)
Note 1)
When the three buttons pressed to enter the Fluorescent Indicator Tube all lit mode are released together, the Fluorescent Indicator
Tube all lit mode will remain on. When released separately, the key check mode will be set soon after the Fluorescent Indicator Tube
all lit mode.
In ‘’multiple pressing”, if the three buttons are pressed and released together, the next mode will be set. If not, the key check mode will
be set.
Tube all lit mode will remain on. When released separately, the key check mode will be set soon after the Fluorescent Indicator Tube
all lit mode.
In ‘’multiple pressing”, if the three buttons are pressed and released together, the next mode will be set. If not, the key check mode will
be set.
Note 2)
In the key check mode, each time the button is pressed, the “KEY=” number on the Fluorescent indicator tube increases. When the
SELECTOR knob is rotated, the “KEY=” number on the Fluorescent indicator tube increases in the + direction and decreases in the
– direction.
SELECTOR knob is rotated, the “KEY=” number on the Fluorescent indicator tube increases in the + direction and decreases in the
– direction.
Fluorescent Indicator Tube all lit mode
µ
Segment pattern 1 mode
µ
Segment pattern 2 mode
µ
End of test mode
UNIT (CDP-M7)
— 6 —
SECTION 2
GENERAL
This section is extracted from
instruction manual.
instruction manual.
— 7 —
SECTION 3
DISASSEMBLY
3-1. CASE, FRONT PANEL ASSEMBLY AND CHASSIS
9
Two screws
(BVTP 3X10)
(BVTP 3X10)
1
Two screws
(CASE 3 TP2)
(CASE 3 TP2)
6
Two screws
(BVTP 3X10)
(BVTP 3X10)
3
Screw
(BVTT 3X8)
(BVTT 3X8)
5
Two screws
(BVTP 3X10)
(BVTP 3X10)
!™
Two screws
(BVTP 3X10)
(BVTP 3X10)
7
Wire (FLAT TYPE)
(31 CORE)
(31 CORE)
!¡
Two screws
(BVTP 3X10)
(BVTP 3X10)
!º
Leg (F)
!¢
Chassis
!£
Two screws
(BVTP 3X10)
(BVTP 3X10)
2
Two screws
(CASE 3 TP2)
(CASE 3 TP2)
4
Case
8
Front panel
assemby
assemby
3-2. BACK PANEL AND TRAY
4
Two claws
3
Flat type wire (8 CORE)
(RELAY board, CN702)
(RELAY board, CN702)
7
Back panel
6
Five screws (BVTP 3X10)
2
Pull-out the disc tray.
5
Remove the disc tray.
1
Turn the cam to the direction
of arrow from the bottom side.
of arrow from the bottom side.
— 8 —
3-3. MAIN BOARD AND CONNECTOR BOARD
3-4. BASE UNIT
1
Yoke bracket
3
Base unit block
2
Yoke bracket
4
Flat type wire (19 core)
CN302
CN302
2
Three screws
(BVTP 3X10)
(BVTP 3X10)
1
Connector
(CN303)
(CN303)
5
Screw (BVTP 3X8)
6
Connector board
7
Flat type wire (8 CORE)
(CN702)
(CN702)
3
Main board
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