Hitachi 46W500 Training page 66

DP-3X CHASSIS VERTICAL OUTPUT CIRCUIT DIAGRAM
To Conv.
Circuit
PPD3 PPS3
12 12
V.Blk.
V Drive
10 10
Signal PWB
Power Supply
PWB
C611
R602
To Vertical
D601
Sweep Loss
Detection
C612
Circuit
C601
D602
Q601
C603
R634
Q602
R603
Q603
R612
D Size
R607 V Size
To Micro. for OSD Positioning
I501
8
55
VCC
HVcc 9.3 V
21
HVCO
35
VP Out
15
VD1 In
I601
6
Gnd 10
Vs
1
V OUT
Trigger
3
Output
Input
2
Stage Vs
V.Blk.
Flyback
11
Gen
Ramp
7
Inverting
Gen
9
Input
Buffer
8
Out
V OUT
R609
5
NC
Hight
C602 4
Adj
R608
R618
Protect_Def
Main
PPS3
Y Direct
R632
9
Q604
D608
Osc.
R631
V. Sync In
From Flex
R630
Converter
+
C604
-
D603
D610
C605
+ D604
D607
Charge
-
Pump
R699
R605
R604
R617
R613
+
C606
-
R614
R619
1.2 ohm
R637
R636
D612
PMB
Power
2
Supply PWB
R626
28V
1
PMG
2
R627
C610
1
-
+
R629
0.68
PMR
2
R628
L601 L602
1
R625
R622 C609
D611
D605
PDD1
2 V. Saw Out
R621
R616
+ +
C607
C608
- -
2200/25
R620
1.2 ohm
PDD1
3
V. Inf.
V+
V-
V. Def. Yoke B
V+
V-
V. Def. Yoke G
V+
V-
V. Def. YokeR
D606
To Side Pin
Cushion Circuit
To Dynamic
Focus Circuit