Hitachi 46W500 Training page 61

DP-3X SERIES CHASSIS HORIZONTAL DRIVE CIRCUIT
Power
To Micro. for OSD, Auto Prog, SD, AFC,
Supply
PWB
PPS3
PPD3
8 8 39
FBP In
H.Blk.
6 6 37
H Out
H Drive
Signal PWB
Q709
R735
D709
SW +28V
PDG
To Convergence
14
Circuit
Q706
H.Blk.
RH07
RN16
Fron Sweep Loss
Det Circuit QN02
Stops H. Drive
RN15
CN01
To H. Sweep Loss
PPD4
Det. Circuit QN01
SW +10V
Deflection PWB
SW +9.3V
I501
45
VCC
42
Osc.
HVCO
X501
50
HD In
H Sync
63 1080i for
Y2 In
Through Mode
41
H Freq Sw
NTSC/PAL-Q551
28K-Q552
Rainforest IC
T702
8
R748
D715
5
C725
R730
SW + 15V
See Voltage and Waveform
Chart on next page.
DH04
DN10
DN09
RH01 RH02
Ref. V.
2
CN01
DH01
PMR
PMG
PMB
3
I503
5
T701
SW +10V
2
4 1
Q777
1
Q701
6
Side Pin Modulator
SW +115V
IH01
Gen
QH02
3
Drive
1
Com1
14
E
11
r
r
o
10 9
r
DH05
FB In
12
RH26
7
OVP
H. Def. Yoke R
H. Def. Yoke G
H. Def. Yoke B
To Dynamic Focus QF01
Def.
H Pulse
7
8
TH01
PPD5
9
9
Horizontal
10
Output
QH01
10
HV Sample
12
RH22
DH14 DH13 5
50P
High
Voltage