Sony GDM-90W01T5 Service Manual ▷ View online
CHASSIS
SERVICE MANUAL
SPECIFICATIONS
W1
AEP Model
Chassis No. SCC-K49B-A
COLOR GRAPHIC DISPLAY
GDM-90W01T5
GDM-90W01T5
– 2 –
POWER SAVING FUNCTION
This monitor is capable of three states of reduced power consumption. By sensing the absence of video signals and one or both sync signals
coming from the host computer, it will reduce power consumption as follows.
coming from the host computer, it will reduce power consumption as follows.
Recovery time
–
Approx. 3 sec.
Approx. 3 sec.
Approx. 10 sec.
–
Power consumption
≤
200 W
≤
140 W
≤
15 W
≤
8 W
0 W
Power consumption
state
state
1 Normal operation
2 Standby (1st state)
3 Suspend (2nd state)
4 Active-off (3rd state)
5 Power-off
u
power indicator
Green on
Green on
Green on
Off
Off
@
power saving indicator
Off
Orange on
Orange on
Orange on
Off
Failure
HV, +B failure
Horizontal/Vertical deflection failure, thermal
protector
protector
ABL protector
Aging/Self Test
Power Saving LED
Off
Blink Amber
Blink Amber
Off
Power LED
Blink Amber
Off
Blink Amber
Amber (0.5 sec)
→
Off (0.5 sec)
→
Green (0.5 sec)
→
Off (0.5 sec)
→
DIAGNOSIS
Aging Mode: Video aging
During Power Save, press “OPTION” Key for longer than 2 seconds.
Self Test: OSD color-bar indication
During Power Save, press “CONTRAST+” Key for longer than 2 seconds.
Self Test: OSD All White indication
During Poewr Save, press “COLOR” key for longer than 2 seconds.
PRIMARY MODE
PRIMARY
MODE AT PRODUCTION
MODE1
MODE2
MODE3
MODE4
MODE5
MODE6
MODE7
MODE8
MODE9
RESOLUTION
640 X 480
1280 X 1024
1600 X 1200
1920 X 1080
1920 X 1080
1600 X 1024
1920 X 1200
720 X 400
1920 X 1035
CLOCK
25.175 MHz
135.000 MHz
202.500 MHz
159.840 MHz
216.023 MHz
170.447 MHz
245.480 MHz
28.322 MHz
74.250 MHz
— HORIZONTAL —
H-FREQ
31.469 kHz
79.976 kHz
93.750 kHz
67.500 kHz
84.384 kHz
81.320 kHz
95.000 kHz
31.469 kHz
33.750 kHz
µ
sec
µ
sec
µ
sec
µ
sec
µ
sec
µ
sec
µ
sec
µ
sec
µ
sec
H. TOTAL
31.778
12.504
10.667
14.815
11.851
12.297
10.526
31.777
29.630
H. BLK
6.356
3.022
2.765
2.803
2.963
2.910
2.705
6.355
3.771
H. FP
0.636
0.119
0.316
0.200
0.222
0.188
0.261
0.636
0.593
H. SYNC
3.813
1.067
0.948
0.901
1.000
0.939
1.043
3.813
1.185
H. BP
1.907
1.837
1.501
1.702
1.741
1.784
1.401
1.907
1.993
H. ACTIV
25.422
9.481
7.901
12.012
8.888
9.387
7.821
25.422
25.859
— VERTICAL —
V. FREQ(HZ)
59.940 Hz
75.025 Hz
75.000 Hz
60.000 Hz
72.000 Hz
76.000 Hz
76.000 Hz
70.087 Hz
60.000 Hz
lines
lines
lines
lines
lines
lines
lines
lines
lines
V. TOTAL
525
1066
1250
1125
1172
1070
1250
449
562.5
V. BLK
45
42
50
45
92
46
50
49
45
V. FP
10
1
1
3
3
3
3
12
5
V. SYNC
2
3
3
3
3
3
3
2
5
V. BP
33
38
46
39
86
40
44
35
35
V. ACTIV
480
1024
1200
1080
1080
1024
1200
400
517.5
— SYNC —
INT(G)
NO
NO
NO
NO
NO
NO
NO
NO
NO
EXT(H/V)/POLARITY
YES N/N
YES P/P
YES P/P
YES N/N
YES N/N
YES N/N
YES N/N
YES N/P
YES N/N
EXT(CS)/POLARITY
NO
NO
NO
NO
NO
NO
NO
NO
NO
INT/NON INT
NON INT
NON INT
NON INT
NON INT
NON INT
NON INT
NON INT
NON INT
INT
96.8.22 VER.
TIMING SPECIFICATION
GDM-90W01T5
– 3 –
TABLE OF CONTENTS
Section
Title
Page
1. GENERAL
...................................................................
4
2. DISASSEMBLY
2-1.
Cabinet Removal ................................................. 11
2-2.
D Board Removal ................................................ 11
2-3.
G Board Removal ................................................. 12
2-4.
A Board Removal ................................................. 12
2-5.
M Board Removal ................................................ 13
2-6.
L Board Removal ................................................. 13
2-7.
Service Position .................................................... 14
2-8.
Harness Location
(1) D Block Side ....................................................... 14
(2) G Block Side ....................................................... 15
2-9.
H1, H2 and J Boards Removal ............................. 15
2-10. Picture Tube Removal ......................................... 16
3. SAFETY RELATED ADJUSTMENT
............. 17
4. ADJUSTMENTS
...................................................... 18
Section
Title
Page
5. DIAGRAMS
5-1.
Block Diagrams ................................................... 21
5-2.
Frame Schematic Diagram .................................. 27
5-3.
Circuit Boards Location ...................................... 29
5-4.
Schematic Diagrams and Printed Wiring Boards ... 29
(1) Schematic Diagram of D Board .......................... 33
(2) Schematic Diagrams of G, GA, GB and
J Boards ........................................................... 37
(3) Schematic Diagrams of H1, H2, L and
M Boards ......................................................... 41
(4) Schematic Diagram of A Board .......................... 45
5-5.
Semiconductors ................................................... 52
6. EXPLODED VIEWS
6-1.
Chassis ................................................................. 54
6-2.
Picture Tube ........................................................ 55
6-3.
Packing Materials ................................................ 56
7. ELECTRICAL PARTS LIST
............................ 57
WARNING!!
NEVER TURN ON THE POWER IN A CONDITION IN
WHICH THE DEGAUSS COIL HAS BEEN REMOVED.
WHICH THE DEGAUSS COIL HAS BEEN REMOVED.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
¡
ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS
AND IN THE PARTS LIST ARE CRITICAL FOR SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL FOR SAFE OPERATION ARE IDENTIFIED
IN THIS MANUAL. FOLLOW THESE PROCEDURES
WHENEVER CRITICAL COMPONENTS ARE REPLACED
OR IMPROPER OPERATION IS SUSPECTED.
AND IN THE PARTS LIST ARE CRITICAL FOR SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL FOR SAFE OPERATION ARE IDENTIFIED
IN THIS MANUAL. FOLLOW THESE PROCEDURES
WHENEVER CRITICAL COMPONENTS ARE REPLACED
OR IMPROPER OPERATION IS SUSPECTED.
Note: Hand degauss must be used on stand-by or power-off condition.
This model has an automatic earth magnetism correction function by using an earth
magnetism sensor and a LCC coil. When using a hand degauss while monitor (LCC
coil) is being operated, it sometimes gets magnetized, and the system may not work
properly as a result.
magnetism sensor and a LCC coil. When using a hand degauss while monitor (LCC
coil) is being operated, it sometimes gets magnetized, and the system may not work
properly as a result.
– 4 –
SECTION 1
GENERAL
The operating instructions mentioned here are partial abstracts
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remein as in the manual.
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remein as in the manual.
