Sony KF-E42A10 / KF-E50A10 (serv.man7) Service Manual ▷ View online
34
KF-E42A10/E50A10
KF-E42A10/E50A10
B BLOCK ASSEMBLY INSTALLATION (3 OF 5)
Caution Points
Tool / Torque
9
Apply CoFab conductive tape over black HPC cable. Tape P/n:2-
653-955-01
CAUTION
: Do not apply paper labels or stickers in area where
CoFab tape is to be applied. The tape MUST touch metal in all
areas contacting metal box.
Please minimize bubbles, creases, or gaps where tape contacts
metal box.
10
Install Pin-Plug Cable (from RF Bracket Assembly).
CAUTION
: Note the angle and direction of the Cable. Please ensure that
there is minimal gap beween connection points. Look at slots on Pin-Plug
connector to confirm the connector is pushed in as far as it can go (no gap).
This is important for noise rejection and EMI.
connector to confirm the connector is pushed in as far as it can go (no gap).
This is important for noise rejection and EMI.
10a
Please Follow All
CAUTION
points listed. It
is important to control
VARIATION of wire
routing for minimizing
Electro Maagnetic
Interference (EMI)
VARIATION of wire
routing for minimizing
Electro Maagnetic
Interference (EMI)
Wire routing/dressing of left side of B-Block.
CAUTION
:
-Note orientation of ferrite core – vertical
-Wires on 11P Conn. Assy. Are routed along
-Wires on 11P Conn. Assy. Are routed along
the metal shield case.
-Note 11P cable is looped and held by
M4 Clamp (one loop around wires).
CAUTION
:
Please Minimize wire routing/dressing variation.
Reason: By following wire routing/dressing that
Is shown, EMI will be minimized.
Reason: By following wire routing/dressing that
Is shown, EMI will be minimized.
CAUTION 2
:
Keep looped wire away from edge of bottom
Cabinet and screw boss pocket. This is a pinch
point that can damage the wires when rear
cover is installed.
Cabinet and screw boss pocket. This is a pinch
point that can damage the wires when rear
cover is installed.
11
35
KF-E42A10/E50A10
KF-E42A10/E50A10
B BLOCK ASSEMBLY INSTALLATION (4 OF 5)
Caution Points
Tool / Torque
Please Follow All
CAUTION
points listed. It
is important to control
VARIATION of wire
routing for minimizing
Electro Maagnetic
Interference (EMI)
VARIATION of wire
routing for minimizing
Electro Maagnetic
Interference (EMI)
Connect B-Block Fan connector to CN8002 Pig-tail connector
on the AGA -Bd.
on the AGA -Bd.
CAUTION
: Fan joint-connector is positioned in the middle
Between B-Block metal box and AGA-Bd.
Another view of left side of B-Block cable dressing.
12
13
CAUTION 2
:
Keep looped wire away from edge of bottom
Cabinet and screw boss pocket. This is a pinch
point that can damage the wires when rear
cover is installed.
Cabinet and screw boss pocket. This is a pinch
point that can damage the wires when rear
cover is installed.
CAUTION
:
-Note
“DOT
” on LVDS Connector. Do not try to insert connector reversed.
-Note orientation of ferrite core – vertical
-Wires on 11P Conn. Assy. Are routed along
-Wires on 11P Conn. Assy. Are routed along
the metal shield case.
-Note 11P cable is looped and held by
M4 Clamp (one loop around wires).
14
Install Grounding strap (p/n:1-910-015-33) to top-right Metal Tab.
CAUTION
: Make sure terminal is “locked” in place after installation.
36
KF-E42A10/E50A10
KF-E42A10/E50A10
B BLOCK ASSEMBLY INSTALLATION (5 OF 5)
Caution Points
Tool / Torque
Make sure the back side
of the B-Block is clear of
pinch-points for cables
before applying screws.
of the B-Block is clear of
pinch-points for cables
before applying screws.
Apply 4x16mm screws to fix B-Block to Bottom Cabinet [4 places].
Screw p/n:2-580-640-01
Screw p/n:2-580-640-01
15
Philips screwdriver
-[4x16mm screw]
- 13kg*cm +-1.0kg*cm
- 13kg*cm +-1.0kg*cm
37
KF-E42A10/E50A10
KF-E42A10/E50A10
B BLOCK ASSEMBLY (1 OF 5)
Caution Points
Tool / Torque
1
2
Install D.C. Fan (p/n:1-787-333-11), 3x8mm screw
[3places] p/n:2-580-593-01, fan shield p/n:2-593-086-
01, and fan dampers [qty=8] p/n:2-059-414-11 to
digital shield case (p/n:2-597-543-02)
CAUTION
: Make sure direction of fan is installed correctly. You should be
able to see label with manufacurer and model of D.C. fan on opposite
side of digital shield case.
3
4
Install conductive gasket (p/n:2-653-452-01) on B-Bd
Ground pad (B-Side of PWB).
Install QG-Board with 3x8mm screw [5 places] on
DM Sheet Shield (p/n:2-597-541-03).
CAUTION
: No need QG-Shield plate over QG-Bd.
-Phillips Screw Driver
- 5kg-cm +-0.5kg-cm
Please Follow All
CAUTION
points listed. It
is important to control
VARIATION of wire
routing for minimizing
Electro Maagnetic
Interference (EMI)
VARIATION of wire
routing for minimizing
Electro Maagnetic
Interference (EMI)
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