Samsung CKG7507L, SyncMaster 700s Plus Service Manual
Manual
SERVICE
COLOR MONITOR CONTENTS
COLOR
TEMP.
1. Precautions
2. Reference Information
3. Product Specifications
4. Operating Instructions
5. Disassembly & Reassembly
6. Alignment & Adjustments
7. Troubleshooting
8. Exploded View & Parts List
9. Electrical Parts List
10. Block Diagram
11. PCB Diagrams
12. Wiring Diagram
13. Schematic Diagrams
COLOR MONITOR
CKG7507L
(SyncMaster 700s )
10 Block Diagram
CKG7507L 10-1
TO D - COIL
ON THE CRT
CRT
-90V
( FROM FBT)
BRIGHTNESS
CONTROL
CONTRAST
CONTROL
+12V
+200V
-90V
+30V
FOCUS1,2
SCREEN
R G B
H/V
VIDEO BOARD
MAIN BOARD
H - SIZE
V - SIZE
H - POSI.
V - POSI.
S - PIN.
TRAPEZOID
PARA.
PIN - BALANCE
V - LIN.
VER.-BLANKING
GENERATOR
High Voltage
OUTPUT
G1
ABL
CIRCUIT
CONTRAST
CONTROL
BRIGHTNESS
CONTROL
DEGAUSSING
BLOCK
RL601
AC-INLET
SOCKET
IS601
LINE FILTER
L601
CRT SOCKET BOARD
SOCKET
SK1
G1
HEATER
R G B
D-SUB INPUT
(15 PIN)
Video Pre-Amp
IC101(KA2140B)
VIDEO OUTPUT
IC101(LM2405T)
OSD DRIVE CONTROL
IC401(LSC4350)
TILT
ABL
R G B - CUTOFF
CONTROL(KA324)
H-SYNC, V-SYNC
V-MUTE
S-CORRECTION
LED
PS-1 (SUSPEND)
PS-2 (POWERÂOFF)
PWM CONTROL &
SWITCHING FET
IC601
RECTIFIER
(D601~D604)
SWITCHING
TRANS.
T601
+70V
+13V
-12V
+7V
TO VIDEO
+12V REGULATION
PS1,PS2 (FROM Micom)
CRT HEATER
+45V
+12V
HEATER
PS-2
POWER-OFF MODE CONTROL
(Q606)
2
EPROM
(24LC411)
IC203
FRONT CONTROL BOARD
V-SYNC
H-SYNC,
HOR./VER. OSC
PROCESSOR
(UPC1883)
IC401
MICOM
(BD-7)
IC201
HOR.-DY
CN400
CN401
CN402
VER. - DY
CN301
High Voltage
CONTROL
IC501
FBT
T501
HOR.- OUT
Q406
H-DEF.
TRANS
T401
HOR.-DEF.
STEP-UP
CONVERTER
Q411
VER. OUTPUT
IC301
High Volt.-DRIVE
Q501
HOR.-DRIVE
Q403
POSITION
SIZE
G/D
COLOR TEMP
RECALL
DEGAUSS
ADJUSTMENT
BRIGHTNESS
CONTRAST
LED
VER. OUTPUT & TILT CONTROL
13-1 CKG7507L
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1
2
13 Schematic Diagrams
13-1 Power Part Schematic Diagram
13 Schematic Diagrams
CKG7507L 13-2
1
2
3
4
15
13.8
GND
2
14.6
13.6
GND
2.5
pin #
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
Table 13-2. IC602 (TV817M)
Unit: Vrms
1
2
3
4
5
194.6
GND
19.8
3.8
6.2
186
GND
18
2.3
5
pin #
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
Table 13-1. IC601 (KA0680)
Unit: Vrms
1
2
3
2.5
GND
12.5
2.5
GND
12.6
pin #
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
Table 13-3. IC603 (TL431CLP)
Unit: Vrms
1
2
3
14.4
0
5
14.4
0
5
pin #
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
Table 13-4. IC606 (MC7805)
Unit: Vrms
1
2
3
15
0
12
15
0
12
pin #
MODES
1024 x 768 / 85 Hz 640 x 480 / 60 Hz
Table 13-5. IC607 (GL7812)
Unit: Vrms
344 V (IC601, #1)
CH1 P-P = 344 V CH1 RMS = 184.2 V
1
6.4 V (IC601, #5)
CH1 P-P = 6.4 V CH1 RMS = 4.804 V
2
13 Schematic Diagrams
13-3 CKG7507L
40
42
11
9
7
8
3
4
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6
10
41
39
38
43
13-2 Micro Processor & Vertical Deflection Part Schematic Diagram
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