Sony MEX-DV1500U / MEX-DV1505U / MEX-DV150UE Service Manual ▷ View online
MEX-DV150UE/DV1500U/DV1505U
13
3-3. DVD MECHANISM DECK BLOCK
connector
(CN3)
connector
(CN702)
screw
(PTT2.6
× 6)
two screws
(PTT2.6
× 5)
two screws
(P1.7
× 2.2)
shield (612Z)
bracket (CD)
dust protection sheet
RB DVD mechanism deck block
R laser caution label
screw
(PTT2.6
× 6)
Lift up the DVD mechanism deck
(MG-612U-187).
3-4. DC FAN (25X25) (M850), MAIN BOARD
Note 1: If the complete MAIN board was replaced, be sure to refer to Technical News published separately.
RT MAIN board
fuse (blade type) (auto fuse)
(10A/32V) (FU801)
chassis
two screws
(PS2.6
× 14)
screw
(PTT2.6
× 8)
two screws
(PTT2.6
× 8)
connection cord for automobile
(front
audio
out,
rear/sub
audio
out)
RB DC fan (25 × 25)
(M850)
R connector
(CN850)
connector
(CN652)
three ground point screws
(PTT2.6
(PTT2.6
× 6)
Lift up the lead pin to upper right.
Note 2: When the DC fan and MAIN board are mounted,
lock connection cord for auto mobile and wire DC fan
by push lead pin.
MEX-DV150UE/DV1500U/DV1505U
14
3-5. CHASSIS (T612Z) SUB ASSY, SENSOR BOARD
two screws
(P1.7
× 2.2)
chassis (T612Z) sub assy
two screws
(P1.7
× 2.2)
claw
claw
Remove the three solders.
SENSOR borad
3-6. CHASSIS (OP, ZA) COMPLETE ASSY
"
OP flexible board
(CN2)
two coil springs (damper)
chassis (OP, ZA) complete assy
compression spring (damper, Z)
flexible board
(CN1)
tension spring (KF)
Turn the gear (RA1) fully in the
direction of arrow ".
MEX-DV150UE/DV1500U/DV1505U
15
3-7. SERVO BOARD
– DVD mechanism deck block (Bottom view) –
Remove the three solders.
SERVO board
Remove the two solders.
four screws
(M1.7
× 2.5)
OP flexible board
(CN2)
wire
(CN7)
flexible board
(CN1)
spacer (PWB7)
Note: When disconnecting the OP flexible board from of the connector.
Be sure to refer to “NOTE FOR FLEXIBLE BOARD OF THE OPTICAL
PICK-UP” of the servicing notes (See page 4).
MEX-DV150UE/DV1500U/DV1505U
16
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
• Mounted SERVO board
• Mounted SERVO board
Precaution
Use the following tools and measuring devices.
• Extension jig (Part No. J-2502-062-1) between the SERVO
Use the following tools and measuring devices.
• Extension jig (Part No. J-2502-062-1) between the SERVO
board and the MAIN board
• DVD test disc TDV-540C (Part No. J-2501-235-A)
• CD test disc PATD-012 (Part No. 4-225-203-01)
• Driver for adjustment
• TV
• CD test disc PATD-012 (Part No. 4-225-203-01)
• Driver for adjustment
• TV
moniter
• Digital
voltmeter
• Oscilloscope
• Accessory remote commander RM-X168
• Accessory remote commander RM-X168
IOP CHECK
Connection:
Connection:
SERVO board
TP51 (IOPDVD), TP47 (IOPCD)
TP63 (A3.3V)
+
–
–
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
(A3.3V) 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
(A3.3V) 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
(A3.3V)
TP51
(IOPDVD)
TP47
(IOPCD)
– SERVO Board (Conductor Side) –
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