Sony MEX-DV700 / MEX-DV707 Service Manual ▷ View online
MEX-DV700/DV707
9
3-5. SERVO BOARD
– DVD mechanism deck block (Bottom view) –
2 Remove the three solders
of SENSOR board wire.
3 Remove the two solders
of loading motor wire.
8 SERVO board
SERVO board
SERVO board
RED
WHITE
RED
WHITE
BLACK
6 three screws
(M1.7
u 2.5)
4 OP flexible board
(CN2)
5 sled motor flexible board
(CN1)
7
Note2: When disconnecting the OP flexible board from
of the connector. Be sure to refer to “NOTE FOR
FLEXIBLE BOARD OF THE OPTICALPICK-UP”
of the servicing notes (See page 4).
1 adhesive (ST-854GH)
10
u 30 m tape
3-6. CHASSIS (T612Z) SUB ASSY, SENSOR BOARD
1 two screws
(P1.7
u 2.2)
4 chassis (T612Z) sub assy
1 two screws
(P1.7
u 2.2)
2 claw
3 claw
5 Remove the three solders.
6 SENSOR borad
MEX-DV700/DV707
10
3-7. CHASSIS (OP, ZA) COMPLETE ASSY
A
5
1 OP flexible board
(CN2)
6 two coil springs
(damper)
8 chassis (OP, ZA) complete assy
7 compression spring
(damper,
Z)
2 flexible board
(CN1)
3 tension spring (KF)
tension spring (KF)
Method of installing tension spring (KF)
4 Turn the gear (RA1) fully
in the direction of arrow A.
Hang in order of
A, B by pay
attention spring of direction.
A
B
– Bottom view –
MEX-DV700/DV707
11
SECTION 4
ELECTRICAL CHECK
If any of the following parts was replaced, perform the “IOP
Check” as mentioned below.
Check” as mentioned below.
• Optical pick-up block (chassis (OP, ZA) complete assy
• Complete SERVO board
• Complete SERVO board
Precaution
Use the following tools and measuring devices.
• DVD test disc TDV-540C (Part No. J-2501-235-A)
• CD test disc PATD-012 (Part No. 4-225-203-01)
• Digital
Use the following tools and measuring devices.
• DVD test disc TDV-540C (Part No. J-2501-235-A)
• CD test disc PATD-012 (Part No. 4-225-203-01)
• Digital
voltmeter
• Accessory remote commander RM-X168
IOP CHECK
Connection:
Connection:
SERVO board
TP51 (IOPDVD), TP47 (IOPCD)
TP63 (D3.3V)
+
–
–
digital voltmeter
Procedure:
1. Check the IOP value of DVD and CD by label on the optical
1. Check the IOP value of DVD and CD by label on the optical
pick-up.
DVD IOP value
CD IOP value
Optical Pick-up Label:
"
2. Connect a digital voltmeter to TP51 (IOPDVD) and TP63
(D3.3V) on the SERVO board.
3. Playback the DVD test disc (TDV-540C), and make a note of
the value of digital voltmeter.
4. Divide the measured voltage value by 1, and convert it into
current value.
5. Check that the calculated value is within ±6 mA to the IOP
value given on the label.
6. Connect a digital voltmeter to TP47 (IOPCD) and TP63
(D3.3V) on the SERVO board.
7. Playback the CD test disc (PATD-012), and make a note of the
value of digital voltmeter.
8. Divide the measured voltage value by 1, and convert it into
current value.
9. Check that the calculated value is within ±6 mA to the IOP
value given on the label.
SERVO SECTION
Check Location:
TP63
(D3.3V)
TP51
(IOPDVD)
TP47
(IOPCD)
– SERVO Board (Side B) –
MEX-DV700/DV707
12
MEMO
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