Sony CPD-G420 (serv.man3) Service Manual ▷ View online
CPD-G420(E)
3
WARNING!!
NEVER TURN ON THE POWER IN A CONDITION IN WHICH THE
DEGAUSS COIL HAS BEEN REMOVED.
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 ADJUST-
MENTS THAT ARE CRITICAL FOR SAFE OPERATION ARE
IDENTIFIED IN THIS MANUAL. FOLLOW THESE PROCEDURES
WHENEVER CRITICAL COMPONENTS ARE REPLACED OR IM-
PROPER OPERATION IS SUSPECTED.
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 ADJUST-
MENTS THAT ARE CRITICAL FOR SAFE OPERATION ARE
IDENTIFIED IN THIS MANUAL. FOLLOW THESE PROCEDURES
WHENEVER CRITICAL COMPONENTS ARE REPLACED OR IM-
PROPER OPERATION IS SUSPECTED.
CPD-G420(E)
4
POWER SAVING FUNCTION
This monitor meets the power-saving guidelines set by VESA,
E
NERGY
S
TAR, and NUTEK. If no signal is input to the
monitor from your computer, the monitor will automatically
reduce power consumption as shown below.
reduce power consumption as shown below.
*
Figures reflect power consumption when no USB compatible
peripherals are connected to the monitor.
peripherals are connected to the monitor.
** When your computer enters power saving mode, the input signal is
cut and NO SIGNAL appears on the screen before the monitor enters
active off mode. After a few seconds, the monitor enters power saving
mode.
*** “Deep sleep” is power saving mode defined by the Environmental
Protection Agency.
Power mode
Power
consumption
consumption
*
!
(power)
indicator
normal
operation
operation
≤
135 W (CPD-G520)
≤
130 W (CPD-G420)
green
active off**
(deep sleep)***
(deep sleep)***
≤
3 W
orange
power off
Approx. 0 W
off
CPD-G420(E)
5
DIAGNOSIS
Failre
+B failure
Horizontal / Vertical Deflection
failure, Thermal protector
failure, Thermal protector
ABL protector
HV failure
Aging / Self Test
Out of scan range
Power LED
Amber
→
Off
(0.5 sec)
(0.5 sec)
Amber
→
Off
(1.5 sec)
(0.5 sec)
Amber
→
Off
(0.5 sec)
(1.5 sec)
Amber
→
Off
→
Amber
→
Off
(0.25 sec)
(0.25 sec)
(0.25 sec)
(1.25 sec)
Amber
→
Off
→
Green
→
Off
(0.5 sec)
(0.5 sec)
(0.5 sec)
(0.5 sec)
Green (OSD indication)
Aging Mode (Video Aging) : During Power Save, press MENU button for longer than 2 second.
Self Test (OSD Color Bar)
: During Power Save, push up Control button for longer than 2 second.
Reliability Check Mode
: During Power Save, push down Control button for longer than 2 second.
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.