Dell D1025TM Service Manual page 16

CN307
9P
WHT
BGND 1
BLUE 2
GGND 3
5
SIGNAL IN
GREEN 4
RGND 5
RED 6
GND 7
1 11
CONNECTOR
VD 8
15PIN D-SUB
6 HD 9
CN309
7P
HSYNC 7
GND 6
VSOUT 5
4
CSYNC
BPCLP 3
SHRP1 2
CBLK 1
CN306
6P
VRTRC 1
HRTRC 2
GND 3
IICSCL 4
GND 5
IICSDA 6
CN310
4P
HOSTGND 4
DDCSDA 3
DDCSCL 2
NC 1
CN311
3P
DDCSCL 3
DDCSDA 2
CPUGND 1
CONV-CONTROL
CN701
CY
8P IC701
CY4- 8
2
15 6
CY4+ 7 H-CONVOUT
V.REF 13
5
7
CY3- 6 IN
V-CONVOUT
10 11 8
CONV AMP
CY3+ 5 H-STATICOUT 2
V-SIN
IC702 14 9
CY2- 4 V-STATICOUT
6 3
CY2+ 3 VPOSIN
16
SDL
CY1- 2 14
17 HD.IN
1
CY1+ 1 SCL
V.REF OUT
3 4 12 13
5
FUNCTION
SWITCH
CN903
15
7P PB4
46
CBLANK 1 CBLANK
5
48
SHRP1 2 DA4 PA5
22
47
BPCLAMP 3 BPCLAMP PA6
28
CSYNC 4 C-SYNC
20
5 V-SYNC
VSYNC
GND 6
IC900 30
HSYNC 7 H-SYNC
SYN BUFF
1 4
CPU
CN902 RESET 54
RESET IC901
IC904
10P 23
WHT
LOCK
26
34
DDCSCL
DDCSCL 1 V-OUT
}
35 27
DDCSDA 2 DDCSDA H-OUT
33
HOST GND 3 PCI 32
HFB
NC 4
37
IICDATA 5 DATA
GND 6
36
IICCLK 7 CLK 4
DA3
GND 8
HRTRC 9
26 9
DA8
VRTRC 10
V-DRIVE
18
PB1
CN901
6
4P REMOTE ON/OFF
WHT
24
HTR STDBY
DGND 1 15
ABL
+5V 2 +5V
38
RXD 3 RXD
39
3
DEGAUSS
TXD 4 TXD S0-S4 ROTATION
7 49-53
TO S-CAP
CHANGE
RELAY
DRIVE
+12V
Q601
DGC
CN601 SW-REG CONT
1
3P IC601 SW-REG
Vcc
3
OUT
5 OUT
DGC1 3 FLDBK
Q602
NC 2 EA CIS
DGC2 1 13 7
LFT
CN600
LF602
AC-RECT
AC IN
D601
IC603
CN602
2P
5
1
THP601 2
THP601A 1
4 2
IC006
SHARPNESS
R-OUT
5 21 6
BIN R-OUT R-IN G-OUT
3 19 8
GIN G-OUT G-IN B-OUT
17 10
1
RIN B-IN
B-OUT
14 11
SYN-OUT
CLAMP
IC001
13
CLAMP
RGB PRE-AMP
12 16
T-SW & LEVEL
BLK
15 12
R-OSD R-OSD
OSD R-BKG
13
14
IC003 G-OSD G-OSD
G-BKG
14
13
B-OSD B-OSD
B-BKG
15
12 OSD-BLK
OSD-BLK
SCL SDA G2
28
2 1
10
7
VFLB SDA
5 8
SWITCH HFLB SCL
Q004
(VIDEO)
POWER
( )
DEFLECTION
27 10
3 V.DIV V.SIN
SDA
4 V-OUT OUT
4
SCL +IN IC401
5V
8 5
V.SAW -IN
EPROM 23
V-REF
IC905
DEF. CONTROL
IC902
DRIVER
Q901,Q902
H-CENTER 4 H-REG
2
IC503 Q520
5 3
2
17
LOCK H.OUT
28 12
V-IN V. DEF
26 14
H-IN H.FLY
SYNC LOCK
Q522,Q523
H. CENT AMP
BUFFER
Q506 Q518
H. CENT SW
Q517
9 10 185V
T601
SRT
8 11 80V
7 12 15V
6 13
5 14
4 15 -15V
HEATER SW
3 16
Q605,Q606
TO H.CENTER
IC503
2 17
1,2
1 18 +15V IN1,2
IC605
TO H.CENTER
5V,12V REG
IC503
DISABLE
3
15V
3 ERROR AMP STBY. CONTROL
1
IC604 Q604
25 8 5
R-IN R-OUT
CRT DRIVER
22 9 3
G-IN G-OUT
IC002
J001
18 11 1
B-IN
B-OUT
7
KR
8
KG
9
KB
G2
10
3 1 9
R-IN R-OUT
CUTOFF AMP
4 2 8
IC004
G-IN G-OUT
5 3 7
B-IN VIP B-OUT
5
+12V
SPOT KILLER
Q001
HST
T505
BUFFER 5 1
Q521
3 2
2
3 12
HV-REG
B4+ 18
B3O
OP2+ Q503
20
B1O PWM-CONT
IC501
19
B2O HV-OUT
Q510
PH2
H-DRIVE REF
8 4 13
HDT
T504
H.DRIVE
H.DRIVE OUT
Q903,Q501,Q502 Q511
4 H.OUT
Q507
6
8
1
BUFFER
Q508
SWITCH
Q519
RY500
DFT
T503
12
11
BUFF DF-AMP
1
6
OUT +12V Q504 10
Q505
7
OUT +5V 9
5
8 S-CAP
Q512,Q513,Q514,Q515,Q516
7
CN305
8P
+5V 8 STBY +5V
7 GND
+12V 6 +12V
5 H1
4 GND
+80V 3 +80V
4 2 NC
H
+185V 1 +185V
CN301
1P
1 1.2KV
TO JOO1
PICTURE TUBE
A BOARD
HV
G2-CUT OFF
(TO FBT)
CONTROL
IC005 CN302
1P
1 GND
CN303
1P
1 GND
CN512
1P
1 GND
CN510
1P
1 1.2 KV
FBT
T501
2 HV
TO CRT
14
RV501
1
13
FOCUS
17
CN501
16
6P
DY
1 H DY+
11 ABL
2 H DY+
6
3 H DY-
4 H DY-
5
5 V DY-
6 V DY+
4
8
9
12
CN502
9P
WHT
1 +185V
+185V
2 NC
+80V 3 +80V
4 NC
5 GND
6 H1
+12V 7 +12V
8 GND
+5V 9 +5V
CHANGE
CN503
2P
ROTATION
DRIVE
1 ROT+
IC502
2 ROT-
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