DOWNLOAD Sony CPD-G420 (serv.man3) Service Manual ↓ Size: 3.93 MB | Pages: 80 in PDF or view online for FREE

Model
CPD-G420 (serv.man3)
Pages
80
Size
3.93 MB
Type
PDF
Document
Service Manual
Brand
Device
Monitor
File
cpd-g420-sm3.pdf
Date
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Sony CPD-G420 (serv.man3) Service Manual ▷ View online

GDM-F420(E)
7
TABLE  OF  CONTENTS
Section
Title
Page
Section
Title
Page
1. DISASSEMBLY
1-1.
Cabinet Removal ............................................... 1-1
1-2.
A1 Board (C BLOCK) Removal ....................... 1-2
1-3.
A1 Board, US Board Removal .......................... 1-3
1-4.
Bezel Assembly, H1 Board Removal ............... 1-4
1-5.
D Board Removal .............................................. 1-5
1-6.
Service Position .................................................. 1-6
1-7.
Picture Tube Removal ........................................ 1-7
1-8.
Harness Location ............................................... 1-9
2. SAFETY  RELATED  ADJUSTMENT
............. 2-1
3. ADJUSTMENTS
..................................................... 3-1
4. DIAGRAMS
4-1.
Block Diagrams .................................................. 4-1
4-2.
Frame Schematic Diagram ................................. 4-4
4-3.
Circuit Boards Location ..................................... 4-5
4-4.
Schematic Diagrams and Printed Wiring
Boards ................................................................. 4-6
(1)
Schematic Diagram of A1 Board ...................... 4-8
(2)
Schematic Diagram of US Board ...................... 4-10
(3)
Schematic Diagram of DA Board ..................... 4-12
(4)
Schematic Diagram of N Board ........................ 4-14
(5)
Schematic Diagrams of
D (a, b, c) Board ........................................ 4-16
(6)
Schematic Diagram of H1 Board ....................... 4-20
(7)
Schematic Diagram of L2 Board ....................... 4-22
4-5.
Semiconductors ................................................. 4-24
5. EXPLODED  VIEWS
5-1.
Chassis ............................................................... 5-1
5-2.
Picture Tube ...................................................... 5-2
5-3.
Packing Materials ............................................... 5-3
6. ELECTRICAL  PARTS  LIST
............................ 6-1
CPD-G420(E)
1-1
SECTION  1
DISASSEMBLY
1-1. CABINET REMOVAL
1
B
A
C
Two screws
(+BVTP 4 x 16)
6
Slide the EMI shield in the direction
of arrow 
C
 and remove four claws.
7
EMI shield
4
Four screws
(+BVTT 4 x 8)
5
Four screws
(+BVTT 4 x 8)
2
Two claws
3
Push the upper side of the cabinet
inthe direction of arrow 
A
, disconnect claws, 
then remove the cabinet
lifting it up in the direction of arrow 
B
.
Bezel assembly
Bezel assembly
EMI shield
Cabinet
Cabinet
Push in the tip of a screwdriver
about 10mm to unlock the claw.
CPD-G420(E)
1-2
1-2. A1  BOARD  (C BLOCK)  REMOVAL
1
A1 board
CN315
CN318
GND
GND
CPD-G420(E)
1-3
1-3. A1  BOARD,  US  BOARD  REMOVAL
Two screws
(+BVTT 4 x 6)
2
Video block assembly
11
Screw (+BVTT 4 x 6)
13
Five screws
(+BVTT 3 x 8)
14
USB case
15
US board
12
USB block assembly
3
Four screws
(+BVTP 3 x 8)
Screw
(+BVTP 3 X 10)
9
Video case
8
Input/out 
terminal board assembly
CN315
CN313
CN2601
1
6
Two screws
(+BVTP 3 X 8)
7
5
Two screws (HEX)
10
A1 board
4
Video shield
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