Sony MEX-DV2200 / MEX-DV220EE Service Manual ▷ View online
MEX-DV220EE/DV2200
17
3-3. DVD MECHANISM DECK BLOCK
3-4. DC FAN (M901), MAIN BOARD
Note 1: If the complete MAIN board was replaced, be sure to refer to Technical News published separately.
screw
(PTT2.6
(PTT2.6
× 6)
bracket (CD)
two screws
(PTT2.6
(PTT2.6
× 5)
two screws
(P1.7
(P1.7
× 2.2)
shield (612Z)
laser caution label
dust protection sheet
screw
(PTT2.6
(PTT2.6
× 6)
connector
(CN3)
(CN3)
R DVD mechanism deck block
Lift up the DVD mechanism deck
(MG-612ZA-187).
(MG-612ZA-187).
(except US, Canadian)
RT MAIN board
chassis
two screws
(PS2.6
× 14)
screw
(PTT2.6
× 8)
two screws
(PTT2.6
× 8)
connector
(CN302)
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 with connector cord (8P) and wire DC fan
by push lead pin.
fuse (blade type) (auto fuse)
(10A/32V)
(10A/32V)
(F801)
R connector
(CN901)
(CN901)
with connector cord (8P)
(rear video out, front video out,
rear audio out, mic in)
RB DC fan
(M901)
(M901)
MEX-DV220EE/DV2200
18
3-5. SENSOR BOARD, CHASSIS (T612Z) SUB ASSY
3-6. CHASSIS (OP, ZA) COMPLETE ASSY
two screws
(P1.7
(P1.7
× 2.2)
two screws
(P1.7
(P1.7
× 2.2)
claw
claw
SENSOR borad
Remove the three solders.
chassis (T612Z) sub assy
"
Turn the gear (RA1) fully in the
direction of arrow ".
OP flexible board
(CN2)
(CN2)
tension spring (KF)
two coil springs (damper)
coil spring (damper, Z)
flexible board
(CN1)
(CN1)
chassis (OP, ZA) complete assy
MEX-DV220EE/DV2200
19
3-7. SERVO BOARD
Remove the two solders.
Remove the three solders.
OP flexible board
(CN2)
(CN2)
flexible board
(CN1)
(CN1)
SERVO board
four screws
(M1.7
(M1.7
× 2.5)
– DVD mechanism deck block (Bottom view) –
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 5).
MEX-DV220EE/DV2200
20
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
Precaution
Use the following tools and measuring devices.
• Extension jig (Part No. J-2502-107-1) between the SERVO
Use the following tools and measuring devices.
• Extension jig (Part No. J-2502-107-1) 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
• Digital
voltmeter
•
Accessory remote commander RM-X169
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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