Diagrams; Block Diagrams - Dell D1626HT - UltraScan 1600HS - 21" CRT Display Service Manual

SECTION 5

DIAGRAMS

5-1. BLOCK DIAGRAMS

J
(POWER SW)
CN891
S891
AC L IN 3 POWER
AC L OUT 1
CN605
G
(POWER SUPPLY)
F601
CN604 6.3A T601 TH601
2 1 D610
AC L 1
AC INLET AC N 3 L610 D611
3 4 1 8
12 9
RY602
BOOST
RY601
CONV OUT
CN603 Q610
DGC 4 THP601
DGC
DGC 1
D663
RELAY RELAY
DRIVE DRIVE
Q690 Q660
IC7501
CN7501 CN610
SENSOR
(B TO B) (B TO B)
LPV 10 10 LPV
3
AC SENCE AC SENCE 8 8 AC SENCE
5
L SENCE L SENCE 7 7 L SENCE
7
DRIVE DRIVE 3 3 DRIVE
4
I SENCE I SENCE 4 4 I SENCE
1
V SENCE V SENCE 6 6 V SENCE
OPV 9 9 OPV
8 PROTECTOR
VCC VCC 5 5 VCC
Q7501-Q7504
GND 1 1 GND
VCC SW
GND 2 2 GND
Q615
GA
(POWER SENSOR)
IC660
REG SW
I
PH660
4 1
3 2
D820
POWER
G
LED DRIVE
R
Q801,802
S802-S806,
S818,S820 STBY+5V
TH801
H
(USER CONTROL)
4 IC630 1
+200V SHUNT REG
T640
PIT
4 5
R674
D670
C611
6
R675
7
8
PS670
D672
9
PS671
3
10 D677
D673
2 11
PS674
D674
1 12
PS673 D682
T641
PRT
C647
1 7
2 6
CONV OUT
Q640
3
REG SW 4 D678
Q641,Q642
5 SOFT START
Q683
PH680
4 1
POWER SW
3 2
Q680-Q682
T660
D691
1 8
2 6
O
G 5 3
IC690
4
HEATER HEATER
2 4
REG SW
3 5
Q691
IC691
B-SS9057<AEP>-B/D-P3
CN801
1 LED 0
2 LED 1
F
5 KEY_DET
8 TEMP_DRI
D
(U-COM,DEFLECTION)
G
CN511
CS1
C.SYNC_1 1
VS1
V.SYNC_1 2
CS2
C.SYNC_2 3
VS2
V.SYNC_2 4
DDC_SDA_1 6
IC002
DDC_SCL_1 8
ROM
DDC_SDA_2 9
5
DDC_SCL_2 11 SDA
7
HOST+5V_1 7 V CLK
6
HOST+5V_2 10 SCL
CN671
4 +200V IC004
EEP ROM
5 +200V
D035
5V REG
7 +80V 5
9V-2 EEP SDA
Q006 6
9 +15V A
EEP SCL
11 -15V
CN501
H CENT H
1
LED0 1
H CENT L
3
LED1 2
H CENT N
2
CONT VR 3
F
BRT VR 4
KEY DET 5
ANV_DRV 8
CN505
RXD 3
CN672
TXD 4
1 +200V
3 +80V
CN503
B
5 +15V
ASC_SW 1
6 STBY 8V
OSD_SEL 2
9 HEATER(+)
MOSI 3
H
CLK 4
DAC_SEL 5
7 1
HFLB 6
VRET 7
2 6 DMP CLK
3
IC009 DMP DO
DMP DI
5 DMP ID
CN690
1 USB 6.5V
C CN506
2 USB 6.5V
LOWB_DET 2
INPUT_SW 6
CN673
CLP 1
I
4 STBY 8V
C.BLK 3
2 POWER SW D
GREEN 4
3 HEATER SW
VIDEO 8
1 DGC SW
DMP CLK
DMP DO
DMP DI
DMP ID
CS1 9 8
VS1 13 12
CS2 11 10
VS2 1 2
IC013
J
IC701
CN509
CURRENT AMP
ROTATION(-) 2
9 7 +15V
ROTATION(+) 1 V.S2 -
8 6
OUT2 +
CN520
4 VX
5 VY
K
2 H CONV
3 V CONV
PS504
IC001
CPU
40
VX
46
VY
74
H CONV
V CONV
47 100 V SHAPE
P70/IRQ0 DGC
99
HTR SW
98
POWER SW
VDC
32
DDC_SDA_2 Q660
33 VRET
DDC_SCL_2
Q661 L503
96 HV_PROT S0 HLC
PROT DET
S1 S CAP
S2 CHANGE
69
LLC_LT
S3 Q522-Q525
25 70
EEP_SDA LLC_RT
26 71 S4 Q527,Q528
EEP_SCL LLC_LB RY501
72
LLC_RB
12 73
LED0 LLC_NS RELAY
13 S5
LED1 DRIVE
14 IC005
LED2 Q509
15 WDT
LED3
39 77 8
KEY_DET RESET RESET
44 78 3
P65/AN5 WDT CK
38 ABL_DET H CENT
ABL DET
93 HV_DET H SHAPBAL
HV DET
45
P66/AN6
85
S0
86 H SIZEEFB
S1
87
S2
88
S3
89
S4
20 90 +200V
RXD S5
19 82
TXD XTALO PS501
+200V
X001
4MHz IC010
9
ASC SW
SYNC PROCESS
16 83
OSD_SEL XTALI
43
+B DET
17 PIN DRIVE
PMW OUT
10 Q501-Q503
DAC SEL
60
HFBP
65
VRET
21 41 4 24 H DRIVE
DMP_CLK HPLL AFC1 HD OUT
22 28 9 25 Q504-Q506
DMP_DO IIC SDA SDA FBP
24 29 10
DMP_DI IIC SCL SCL
17 59 7
DMP_ID HS HSYNC
53 63,64 28 19
LOWB_DET VS H PHASE DF OUT
79 66 14 23
INPUT SEL ASC PWM RFE HVD OUT
VRET
ABL_DET
IC007
DPU
Q005
39 2
CLP OUT HTIM
38 8
CBLK OUT VIDEO OUT
46 48
SONG VS OUT
7 47 1 7
VIDEO HS OUT ERR IN HD IN
45 28
INPUT_SEL VDF
9 32
CLK HCENT IC901
11 29 +200V
DO H SHAPE BAL HV CONTROL
10 19
DI V SHAPE
12 26
ID VDC
6 27
FBPIN V CONV PS901
41 34 12
HS/CS1 MOIRE PWM OUT
43
VS1 Q902
42 30 6 15
HS/CS2 H SHAPE BTC IN
7 2
44 31 5 1 19 8
VS2 H SIZE 3 ERR REF VREG9
IC505
33
TILT
CN901
1ST IK PROT 4
HV ADJ 2
X RAY DET 3
IK DET 1
CN504
1 DGC 5
2 POWER 6
D
3 HTR_SW 7
4 STBY 8V 8
9
IC006
5V REG
I O STBY5V
2
IC703
3
5 7 5
5
IC702 6
V OUT 9
10
2 1 4 2
3
3 1
4
T503
+200V 5
HST IC502
+80V 7
5 2 H CENT OUT PS503
-15V 11
5 PS502
5 +15V 9
Q510 T504
H CENT VCC 1
PIN AMP 2 HCC IC008
CONTROL -VIN 2 2
Q517 9V REG
Q511 3
4
OUT 9V-1 O I
1
+VIN
IC003
VEE
9V REG
3
9V-2 O I
T502
HOC
PIN OUT
1
Q507
5 2
T501
HDT
H OUT
Q508
Q003
H DF OUT 2 11
Q701,Q703-Q706 T701
DFT
5 7
V DF OUT
Q707,Q708
T902
FBT
HV DRIVE HV OUT 1 HV
Q901,Q904,Q905 Q909
2
T901
14
HRC
HV REG SW 2 5 15
Q908
18
17
6 FV1
16
HV_DET 5
FV2
HV_PROT 11
ABL_DET
B-SS3414<U/C>-B/D-P2
CN512
LLC_RB
LLC_RT
LLC_LB L
LLC_LT
LLC_LB
CN508 V.DY
V.DY C
V.DY H
H.DY C
H.DY C
H.DY H H.DY
H.DY H
CN502
+200V
+200V
+80V
-15V
A
+15V
HCENT H
HCENT N
HCENT L
CN507
M
1KV
HV
TO PICTURE TUBE
FV1
FV2