HP D2846 Service Manual page 22

D2846
1 2 3 4 5 6 7 8 9 10
R L 1 2
C1 C5 C2
Aud.Out Ret. Sync.ret H sync V sync RESERVED TPA/ TPA
11 20
Chg+ Chg- Y in Y/C Ret. C in Data+ Data- Shield Vg Vp
C3 C4
21 L R 30
Aud.Input Ret. S Sync DDC Ret. SDA SCL +5VDC TPB TPB/
U3
(CONNECTION BOARD)
K
L
– 24 –
CN402
R IN 2 1
G IN 2 3
B IN 2 6
CN401
R IN 1 1
G IN 1 3
B IN 1 5
HD15
5 4 3 2 1
10 9 8 7 6
CN403 G.SYNC
15 14 13 12 11
INPUT SW 6 Q401-Q403
GREEN 4
CLP 1
I
C.BLK
3
VIDEO
8
LOWB DET 2
G
Q404
CN407
ASC_SW 1
OSD_SEL 2
MOSI 3
H
CLK 4
DAC_SEL 5
HFBP 6
VRET
7
A
(VIDEO AMP,RGB OUT)
J
5 ROTATION(+)
6 CN5004 6 ROTATION(-)
CN5002 9
7 3 H STAT(+) 3 H STAT(+)
H CONV 2 IC5401(1/2)
4 H STAT(-) 4 H STAT(-)
V CONV
3
V STAT(+) V STAT(+)
4 1 1
VX
4 1
3 2 V STAT(-) 2 V STAT(-)
VY 5 IC5401(2/2)
GS5001
6
GEOMAGNETIC 9
7
SENSOR IC5301(1/2)
4
1
3
IC5301(2/2) CN5003
1 LLC-LT(+)
6
CN5001 9 2 LLC-LT(-)
7
LLC-RB 5 IC5101(1/2) 3 LLC-LB(+)
LLC-RT 6 4 LLC-LB(-)
4
LLC-LB 7 1 5 LLC-RT(+)
3
LLC-LT IC5101(2/2) LLC-RT(-)
8 6
LLC-NS LLC-RB(+)
9 7
1
4 8 LLC-RB(-)
2
IC5201 9 LLC-NS(+)
L V.STAT,H,STAT,LLC
10 LLC-NS(-)
GEO MAGNETIC SENSOR
IC401 IC402
RGB SWITCH RGB PRE-AMP
7 27 17 37
R_IN2 R_OUT R_IN R_OUT
5
G_IN2
2 30 BUFFER 12 42
B_IN2 G_OUT G_IN G_OUT
Q202
35 3 51
B_OUT B_IN B_OUT
IC404
16 OSD
R_IN1
13
G_IN1
11 HFBP 5 27 23
B_IN1 HFLB R R_OSD
OSD_SEL 6 26 14
SS G G_OSD
19 MOSI 7 25 9
SW MOSI B B_OSD
CLK 8 24 1 18
CLK FBKG OSD_BLK R_DRV
VRET 22 13
25 VFLB G_DRV
G.SYNC 4
B_DRV
27
BRT
26 25
CLP MAIN CONT
28 52
BLK OSD CONT
VIDEO OUT
Q405
ROTATION
H STAT
V STAT
LLC-LT
LLC-LB
LLC-RT
LLC-RB
LLC-NS
– 25 –
D2846 D2846
IC403
RGB OUT
Q101 11 13
R_IN R_OUT 5 KR
7 5
G_IN G_OUT 3 KG
Q201 1 3
B_IN B_OUT 1 KB
HEATER(+)
7
Q301
IC410
D/A CONVERTER
6 3 IC409(1/4) R_CUTOFF
R_DRV R_CUTOFF
7 Q105,106
G_DRV
8 4 IC409(2/4) G_CUTOFF
B_DRV G_CUTOFF
9 Q205,Q206
BRT
12 5 IC409(3/4) B_CUTOFF
CONT B_CUTOFF
Q305,Q306
13
OSDCONT
DAC_SEL
15
LD
CLK 16 IC409(4/4)
CLK
MOSI 17 19
MOSI G2 G2 CONTROL
Q406,Q410
LOWB DET SW
Q407 Q408,409
TO FBT
FV1 FV2 HV
V901
PICTURE TUBE
CN1 CN2
KR 5
KG 3
KB 1
HEATER(+)
7
G2 CN405
9 HEATER(+)
+200V 1 +200V
IC406
B
+80V 3 +80V
12V REG
5 +15V
+12V O I STBY 8V
6
IC408
5V REG
+5V O I
CN406
M
1 1KV
B-SS9057<AEP>-B/D-P1
– 26 –