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
PREV: Sony CPD-G420 (serv.man2) Service Manual

Sony CPD-G420 (serv.man3) Service Manual ▷ View online

CPD-G420(E)
6
TIMING  SPECIFICATION
MODE AT PRODUCTION
MODE 1
MODE 2
MODE 3
RESOLUTION
640 X 480
1280 X 1024
1600 X 1200
CLOCK
25.175 MHz
157.500 MHz
229.500 MHz
 — HORIZONTAL —
H-FREQ
31.469 kHz
91.146 kHz
106.250 kHz
usec
usec
usec
H. TOTAL
31.778
10.971
9.412
H. BLK
6.356
2.844
2.440
H. FP
0.636
0.406
0.279
H. SYNC
3.813
1.016
0.837
H. BP
1.907
1.422
1.325
H. ACTIV
25.422
8.127
6.972
 — VERTICAL —
V. FREQ (HZ)
59.940 Hz
85.024 Hz
85.000 Hz
lines
lines
lines
V. TOTAL
525
1072
1250
V. BLK
45
48
50
V. FP
10
1
1
V. SYNC
2
3
3
V. BP
33
44
46
V. ACTIV
480
1024
1200
 — SYNC  —
INT(G)
NO
NO
NO
EXT (H/V) /POLARITY
YES N/N
YES P/P
YES P/P
EXT (CS) /POLARITY
NO
NO
NO
INT/NON INT
NON INT
NON INT
NON INT
2000.8.9 VER.
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
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