Sony HBD-E770W Service Manual ▷ View online
HBD-E770W
9
NOTE OF REPLACING THE D913, D931, IC901 AND IC921 ON THE POWER BOARD AND THE COMPLETE
POWER BOARD
When D913, D931, IC901 and IC921 on the POWER board and the complete POWER board are replaced, it is necessary to spread the
compound (THERMAL COMPOUND (G747)) (Part No. J-2501-221-A) between parts and heat sink.
Spread the compound referring to the fi gure below.
POWER BOARD
When D913, D931, IC901 and IC921 on the POWER board and the complete POWER board are replaced, it is necessary to spread the
compound (THERMAL COMPOUND (G747)) (Part No. J-2501-221-A) between parts and heat sink.
Spread the compound referring to the fi gure below.
– POWER Board
(Component Side) –
(Component Side) –
IC901
HS901
HS931
HS921
IC921
D913
D931
IC901
D913
IC921
D931
HBD-E770W
10
HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF
Note 1: After the case is removed, this work is done.
Note 2: Please prepare the thin wire (clip etc.).
Note 2: Please prepare the thin wire (clip etc.).
1
Remove the case.
(Illustration of disassembly is omitted.)
3
tray
2
clip etc.
PROCESSING OF HARNESS (USB)
– Top view –
HBD-E770W
11
SECTION 2
DISASSEMBLY
•
This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
Note: Follow the disassembly procedure in the numerical order given.
2-2. CASE (EZ)
SET
2-3. MB-134 BOARD
(Page 12)
2-4. BRACKET (MB) BLOCK
(Page 13)
2-9. BACK PANEL BLOCK
(Page 15)
2-5. FUSE (F901),
POWER BOARD
(Page 13)
2-2. CASE (EZ)
(Page 11)
2-6. FRONT PANEL BLOCK
(Page 14)
2-10. MAIN BOARD
(Page 16)
2-11. AUDIO BOARD
(Page 16)
2-8. INCLUDE BOARD
(Page 15)
2-7. BD DRIVE (BPX-5)
(Page 14)
2-12. OPTICAL DEVICE
(KEM-460AAA),
(KEM-460AAA),
WIRE (FLAT TYPE)
(Page 17)
1
four screws
(BV3)
6
case (EZ)
5
seven hooks
3
3
4
2
five screws
(BV/RING)
–
Bottom view
–
HBD-E770W
12
2-3. MB-134 BOARD
1
connector (CN303)
2
two connectors
(CN601, CN602)
3
wire (flat type) (27 core)
(CN1505)
4
wire (flat type) (18 core)
(CN902)
5
wire (flat type) (16 core)
(CN901)
6
wire (flat type) (45 core)
(CN1401)
7
wire (flat type) (9 core)
(CN2460)
8
wire (flat type) (5 core)
(CN2470)
qa
screw (B3
u 5)
qs
two screws (BV3)
9
screw (BV3)
9
four screws (BV3)
q;
clamp
qd
MB-134 board
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