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D2846
Service manual
Schematic Diagram Of D Board; Schematic Diagrams Of G, Ga, H, J, L And U3 Boards - HP D2846 Service Manual
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(2) Schematic Diagrams of G, GA, H, J, L and U3 Boards
GA
(POWER SENSOR)
+15V
Q7504
2SA1037AK
SW
CN7501
R7509
10P
10k
B-TO-B
:CHIP
1
GND
R7510
10k
2
GND
:CHIP
3
DRIVE
4
I SENSE
C7504
0.1
R7513
R7502
68k
5
VCC
:PT
10k
:CHIP
:CHIP
6
V SENCE
8
7
6
5
7
L SENCE
IC7501
8
AC SENSE
MC33262
9
OVP
SENSOR
D7501
Q7502
RD22ESB2
10
LVP
2SC2412K
C7505
SW
TO G BOARD
1
2
3
4
R7503
0.1
470
25V
:CHIP
CN610
B:CHIP
R7507
R7506
10k
47k
:CHIP
R7511
:CHIP
10k
C7502
R7501
:CHIP
R7505
0.22
8.2k
:MPS
100
R7504
C7503
:CHIP
Q7501
D7502
:RN-CP
10k
1000p
:RN-CP
B:CHIP
2SA1037AK
1SS119
OVP
Q7503
C7501
C7506
R7512
0.01
0.1
R7508
2SC2412K
47k
B:CHIP
25V
10k
SW
:CHIP
B:CHIP
:CHIP
B-SS9017<U/C>-GA.
D612
RM11A
GND
1
CN601
L610
TAB
D610
D4SB60L
AC RECT
R640
0.1
C605
D611
0.0047
L611
FB610
1/2W
250V
4.7µH
0.45UH
D5L60
:RF
FB611
MX0841AB-F
0.45UH
C610
1.0
400V
START-UP
R614
C611
R627
330
270k
150k
Q610
C606
:RN
450V
:RN
R641
0.0047
2SK2195
100k
250V
R615
BOOST CONV OUT
1W
S
:RS
150k
R626
:RN
R628
10k
330k
R624
R622
R642
R616
6.8k
1k
:RN
100k
1W
150k
:RN
:RS
R610
R633
330k
0.33
:RN
3W
R611
R643
0.33
C612
R623
:RS
3W
22k
0.47
1k
R617
:RS
680k
:RN
Q641
C607
2SA1309A
470p
R625
REG SW
250V
R619
4.7
470k
:RN
R644
R655
D613
R612
R620
220k
10k
RD18ESB2
220k
470k
:CHIP
:CHIP
:RN
:RN
CN610
R613
10P
R621
R629
220k
B-TO-B
330k
47k
R645
:RN
:RN
:RN
22k
:CHIP
R618
Q642
220k
GND
:RN
2SC3311A
R662
C662
+15V
10k
0.1
REG SW
:CHIP
:PT
GND
R646
10k
C616
DRIVE
47
:CHIP
C663
25V
22
I SENSE
D640
MA111
RY601
R663
VCC
10k
Q660
:CHIP
Q615
TH601
2SC3311A
V SENSE
2SA1037AK
RELAY DRIVE
VCC SW
D663
L SENSE
CN605
RD12ESB2
R632
D617
3P
10k
MA111
AC SENSE
:CHIP
AC L OUT
1
R635
OVP
10k
NC
2
:CHIP
AC L IN
3
LVP
TO J BOARD
TO GA BOARD
CN891
CN7501
R631
C601
C602
100
470p
470p
250V
250V
VDR601
T660
R661
SRT
4.7
FB612
:FPRD
0.45UH
R601
1
330k 1/2W :SURGE
D660
P6KE200AG23
C603
1.0
D661
2
R604
250V
150
RGP10JPKG23
+15V
1/2W
4
1
4
D662
C660
T601
100
AG01AV0
:LFT
25V
3
2
3
Q690
R692
2SC3311A
68
1/2W
RELAY DRIVE
IC660
R693
TOP223Y
4.7k
C604
6
4
2
:CHIP
REG SW
1.0
D692
250V
RY602
1SS119
I
O
C693
C661
0.1
G
F601
5
3
1
100
:PT
10V
6.3A
15V
R694
THP601
10k
R668
:CHIP
R664
47
22
VDR602
4
1
3
2
PH660
R669
PC123FY2
2.2k
CN604
CN603
3P
4P
WHT
WHT
:VH
:VH
DGC
AC INLET
Schematic diagrams
(g)(ga)(h)
(g)(ga)(h)
(g)(ga)(h)
(g)(ga)(h)
(g)(ga)(h)
Schematic diagram
Ò (d)
(d)
(d)
(d)
(d)
(j)(l)(u3)
(j)(l)(u3)
(j)(l)(u3)
(j)(l)(u3)
(j)(l)(u3)
board
boards
– 37 –
U3
(CONNECTION BOARD)
• GA BOARD
CN3001
VOLTAGE LIST
EVC
A1
Ref.
Pin No. Voltage [V]
B1
IC7501
1
2.6
C1
2
2.5
A2
B2
3
1.7
C2
4
0.2
A3
5
0
B3
7
8.6
C3
SYNC GND
A4
Q7501
B
14.0
B4
C
0
C4
E
14.0
H SYNC
A5
B5
Q7502
B
0.7
DDC RETURN
C5
V SYNC
A6
C
0.1
B6
Q7503
B
0
DDC DATA
C6
A7
C
14.0
B7
DDC CLOCK
C7
Q7504
B
13.4
A8
GND
B8
DDC +5V
C8
GND
A9
B9
C9
A10
B10
C10
RED IN
C1
GREEN IN
C2
C3
BLUE IN
C4
GND
GND
B-SS9057<AEP>-U3.
IC630
DM-60
R676
470
+200V REG
5
4
3
2
1
C683
R671
R672
2200p
1k
470k
500V
T640
:CHIP
:CHIP
PIT
C670
D670
R673
0.01 :PT
D4SBL40
470
4
5
+200V REG
:FPRD
R674
0.47
L670
+200V
Q640
22µH
:FPRD
C641
R649
6
470p
100k
REG OUT
C671
C672
500V
1W
220
:HR
:RS
3.3
250V
250V
3
7
15V
L671
+80V
22µH
8
C674
R650
D671
C673
330
4.7
100k
D1NL20-TR
100V
100V
1W
:RS
9
2
10
C640
R652
470p
2.2
500V
1/2W
R675
:HR
:RF
1
D672
1/2W
PS674
:FPRD
2.0A
D4SBS4
VDR640
+15V REG
11
C647
L672
0.027
22µH
+15V
630V
R648
R651
:PP
2.2
2.2
1
12
C675
C676
1W
1W
47
PS670
R647
:RS
:RS
R695
2200
2.0A
100k
D682
D683
25V
25V
0.47
D1NL20
:FPRD
1SS119
C677
C678
2200
L673
47
-15V
C642
C643
22µH
0.33
0.33
25V
25V
:MPS
C685
PS671
:MPS
47
2.0A
C679
D673
PS673
2200
2.0A
D2S4MTA1 REG(+)
10V
D674
C680
T641
D2S4MTA1 REG(-)
2200
PRT
10V
1
7
D677
1SS119
D684
2
6
RD22ESB2
C645
0.15
D678
:MPS
1SS119
R681
C644
1k
3
R683
:CHIP
470p
100
500V
:CHIP
:HR
Q682
Q681
2SA1309A
2SC2458
4
POWER SW
POWER SW
C646
D681
D680
0.15
MA111
MA111
:MPS
C681
R680
5
10k
4.7
:CHIP
R682
C684
R687
R686
0.01
4.7k
PH680
:PT
:CHIP
PC123FY2
1k
1k
Q683
:CHIP
:CHIP
2SA1309A
+15V
4
1
Q680
R689
PROTECT
10k
2SC2412K
C682
:CHIP
4.7
PROTECT
3
2
R688
R685
10k
10k
:CHIP
:CHIP
D691
8
D5LC20N
IC690
C695
L691
SI-3050F
22µH
HEATER REG
STBY+8V
330p
500V
6
R666
R696
Q691
6.8k
2SA1037AK
180
:RN
:RN-CHIP
HEATER SW
C692
1200
5
3
R698
D693
10V
10k
2
4
MA111
3
:CHIP
5
1
C690
R691
47
1
10k
25V
C697
R667
:CHIP
0.1
3.3k
C691
R697
2
:MPS
:RN
47
820
R699
25V
:RN-CHIP
22k
:CHIP
IC691
G
µPC1093J-T
REG
R665
(POWER SUPPLY)
220
:CHIP
B-SS3414<U/C>-G..
CN673
5P
WHT
:S-MICRO
TO D BOARD
CN504
l
– 38 –
Q801
2SC3311A
Q802
LED DRIVE
2SC3311A
LED DRIVE
R827
R826
180
470
POWER
D820
SPR-325MVW
R810
R809
CN3005
2.2k
3.3k
7P
:RN
:RN
WHT
:S-MICRO L
1
GND
S820
2
GND
3
C SYNC 1
4
V SYNC 1
5
DDC SDA 1
6
HOST +5V 1
RESET
7
DDC SCL 1
TO D BOARD
CN511
CN3003
6P
WHT
:S-MICRO L
1
RED IN
2
R GND
3
GREEN IN
G GND
4
5
BLUE IN
6
B GND
TO A BOARD
H
CN401
(USER CONTROL)
• G BOARD
VOLTAGE LIST
Ref.
Pin No. Voltage [V]
IC630
3
2.5
4
11.6
IC660
IN
6.1
OUT
410.0
CN671
11P
WHT
:S-MICRO
IC690
2
5.0
3
6.7
1
H CENT H
4
5.3
2
H CENT N
3
H CENT L
PH660
1
4.5
4
+200V
2
3.3
5
+200V
6
NC
3
6.1
7
+80V
4
16.7
8
GND
9
+15V
PH680
1
1.3
10
GND
2
0.1
11
-15V
3
0
TO D BOARD
4
0.1
CN502
1
+200V
Q610
G
8.7
2
NC
D
102.4
3
+80V
S
0.2
R5015
4
GND
1k
:CHIP
5
+15V
Q615
B
13.6
6
STBY+8V
GND
C
14.2
7
NC
E
14.3
8
HEATER+
9
Q640
B1
–2.0
CN672
9P
C1
199.2
WHT
:S-MICRO
B2
196.8
TO A BOARD
C2
408.0
R5001
CN5002
CN405
1.5
E2
199.2
6P
:FPRD
WHT
:S-MICRO
GND
1
Q641
B
1.1
H CONV
2
C
–2.0
V CONV
3
E
2.0
VX
4
VY
5
Q642
B
–1.8
GND
6
C
–2.0
TO D BOARD
-15V
CN520
Q660
B
0.9
C
0.3
+15V
1
Q680
B
0.8
GND
2
C
0
-15V
3
GND
4
Q681
B
0.3
LCC-RB
5
C
11.7
LCC-RT
6
LCC-LB
7
Q682
B
11.7
LCC-LT
8
E
11.7
LCC-NS
9
R5401
1.5
CN5001
:FPRD
Q683
B
7.5
9P
WHT
R5402
C
8.3
:S-MICRO
TO D BOARD
:FPRD
CN512
Q690
B
0
C5401
C
15.0
R5410
47k
:CHIP
B:CHIP
Q691
B
8.6
C
5.3
E
6.7
C5405
IC5401
LA6510
AMP
R5408
:CHIP
R5416
C5412
15k
:CHIP
B:CHIP
STBY+5V
C811
47
16V
TO D BOARD
CN801
CN501
11P
:S-MICRO L
R814
10k
1
LED0
2
LED1
R815
3
LED2
10k
4
LED3
5
KEY_DET
6
D GND
7
STBY+5V
8
TEMP_DRI
9
GND
10
GND
R808
R807
R806
R805
R804
R803
R802
R801
1k
1k
680
470
470
330
330
3.3k
11
GND
:RN
:RN
:RN
:RN
:RN
:RN
:RN
:RN
TO PICTURE TUBE
SHIELD
S818
S806
S805
S804
S803
S802
ASC
INPUT
BRT-
BRT+
MENU
CONT-
CONT+
R819
100k
TH801
C805
R818
10k
47
:RN
16V
B-SS9057<AEP>-H..
R5301
1.5 :FPRD
R5302
1.5 :FPRD
R5013
0 :CHIP
R5012
0
R5310
C5301
R5312
:CHIP
10k
0.1
1.5
C5008
C5007
:CHIP
25V
:FPRD
14
13
12
11
10
9
8
47
47
B:CHIP
R5313
25V
22
C5306
10k
0.1
:CHIP
GS5001
R5311
25V
GEOMAGNETIC
4.7
B:CHIP
SENSOR
C5305
:CHIP
D5002
47
MA151WK
25V
R5309
C5304
4.7
0.1
:CHIP
25V
R5005
2
3
4
5
6
7
R5010
B:CHIP
4.7k
0
:CHIP
10
9
8
7
6
:CHIP
R5008
R5009
0
0
IC5301
R5007
R5006
LA6510
1k
:CHIP
:CHIP
C5004
R5011
:CHIP
47
10k
AMP
:CHIP
10k
25V
:CHIP
C5003
C5002
100
22
1
2
3
4
5
16V
R5502
R5308
C5009
4.7
C5309
C5310
R5501
18k
R5003
0.1
C5005
:RN-CP
:CHIP
0.1
47
0
25V
47
2.2k
25V
25V
:CHIP
:CHIP
B:CHIP
25V
R5317
B:CHIP
R5316
4.7
C5501
10k
:CHIP
220
:CHIP
IC5201
D5501
10V
R5101
C5303
LA6500
UDZ-4.7B
1.5
R5102
C5308
0.1
R5320
AMP
R5503
:FPRD
1.5
0.1
25V
1.5
62k
R5506
:FPRD
25V
B:CHIP
:FPRD
:RN-CP
6.2k
B:CHIP
:RN-CP
1
2
3
4
5
C5101
R5208
6.2k
0.1
25V
R5112
:RN-CP
1.5
R5201
C5203
D5201
B:CHIP
1.5
0.1
R5203
R5110
:FPRD
+15V
:FPRD
C5206
1.5
MA153
25V
:FPRD
C5204
10k
R5113
0.1 25V B:CHIP
B:CHIP
R5204
0.1
:CHIP
C5106
10k
100k
:PT
:CHIP
R5202
R5109
0.1
1.5
:FPRD
C5105
4.7
25V
:FPRD
47
:CHIP
B:CHIP
25V
C5104
C5205
R5206
0.1 25V B:CHIP
R5207
0.22
C5202
C5201
R5205
22
R5111
10k
16V
47
47
10k
1W
4.7
:CHIP
:CHIP
B:CHIP
25V
25V
:RS
:CHIP
10
9
8
7
6
IC5101
LA6510
AMP
R5504
R5505
68k
5.6k
:RN-CP
:CHIP
1
2
3
4
5
1.5
D5401
MA153
R5108
R5117
4.7
C5109
C5110
:CHIP
4.7
0.1
47
:CHIP
25V
25V
B:CHIP
0.1
R5412
1.5
25V
R5116
:FPRD
R5413
R5414
10k
100k
:CHIP
100k
:CHIP
:FPRD
C5108
C5103
0.1
0.1
R5119
C5406
25V
25V
10k
:CHIP
0.1
C5407
B:CHIP
B:CHIP
R5409
25V
C5404
0.1
B:CHIP
R5406
0.1
:PT
4.7
39k
:CHIP
25V
R5415
:CHIP
B:CHIP
100
47
2W
25V
R5411
:RS
4.7
:CHIP
10
9
8
7
6
CN5004
D5403
4P
MA153
R5421
C5411
WHT
0.1
100k
:S-MICRO
:FPRD
:PT
1
V STAT(+)
1
V STAT(+)
2
V STAT(-)
2
V STAT(-)
1
2
3
4
5
3
H STAT(+)
3
H STAT(+)
4.7
4
H STAT(-)
4
H STAT(-)
R5417
R5407
4.7
18k
C5410
NTC COILS
:CHIP
:CHIP
47
25V
R5423
0.1
220k
C5409
:CHIP
0.1 25V B:CHIP
R5422
68
2W
C5408
C5403
R5419
R5420
:RS
330p
0.01
47k
1.5
B:CHIP
B:CHIP
:CHIP
:FPRD
– 39 –
CN891
3P
WHT
:VH
AC L OUT
1
2
NC
AC L IN
3
TO G BOARD
CN605
S891
POWER
J
(POWER SW)
B-SS3414<U/C>-J..
D5301
MA153
• L BOARD
R5314
C5307
VOLTAGE LIST
100k
0.1
:FPRD
:PT
Ref.
Pin No. Voltage [V]
R5315
GS5001
5
2.8
22
2W
6
2.8
:RS
IC5101
1
1.0
D5303
MA153
2
1.0
R5321
3
1.2
C5311
100k
0.1
:FPRD
:PT
4
1.2
CN5003
10P
WHT
6
1.2
R5322
:S-MICRO
7
1.2
22
2W
1
LCC-LT(+)
8
–0.2
:RS
2
LCC-LT(-)
9
–0.2
3
LCC-LB(+)
4
LCC-LB(-)
IC5201
1
1.2
R5319
5
LCC-RT(+)
10k
2
1.2
:CHIP
6
LCC-RT(-)
4
1.1
C5107
D5101
7
LCC-RB(+)
0.1
MA153
:PT
8
LCC-RB(-)
IC5301
1
–0.2
9
LCC-NS(+)
R5114
2
–0.2
100k
:FPRD
10
LCC-NS(-)
3
1.2
LCC COILS
4
1.2
6
1.2
R5115
22
7
1.2
2W
:RS
8
0.4
9
0.4
IC5401
1
0.6
R5121
C5111
100k
0.1
2
0.6
:FPRD
:PT
D5103
MA153
3
3.4
4
3.4
6
1.8
7
1.8
8
0.4
9
0.4
R5122
22
2W
:RS
R5120
1.5
:FPRD
L
V.STAT,H.STAT,LCC
GEO MAGNETIC SENSOR
B-SS9017<U/C>-L..
– 40 –
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