Block Diagram - Hitachi H972 Service Manual

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DJ72 BLOCK DIAGRAM
15P-DSUB
R
R
G
G
B
B
H. SYNC
V. SYNC
BUFFER
SDA
SCL
Sync on G Sep.
DDC5V
SYNC
PRIORITY
CONTROL
DDC
MICON
SOGCHK
H.OUT
H.SYNCB
H.IN
V.OUT
KEY
V.SYNCB
V.IN
SW
SDA
DSDA
SCL
DSCL
MUTE
MPU
KEY
ROTATION
SW
LIMIT
HUNLK
H.CENT
DG
H.SIZEC
PS1(STB)
FHTOV
PS2(MODE
CS1 - CS6
OFF)
DEGAUSS
AC SW
FUSE
FILTER
R . G . B .
G A I N
C O N T R O L
C L P
BLK
CONT C-CONT
OSD
PWM
S-BKG
H.SYNCA
SELECTOR
V.SYNCA
MEMORY
HUNLOCK
SWITCHING
SWITCHING
POWER
POWER
SUPPLY
SUPPLY
RECTIFIER
CHOPPER
R
VIDEO
BKG
G
OUT PUT
CONTROL
CONT
B
ACL
BKG
BRT
MAIN PWB
V. OUT
FILTER
FOCUS
H. V. OSC
H. DRIVE
CONTROL
VIDEO PWB
HEATER
V.OUT
G1
G3-1
ROTATION
CONTROL
FBT
85 V
HIGH
HIGH
VOLTAGE
VOLTAGE
G1
OUTPUT
DRIVE
REGURATOR
HIGH
E
HV
ACL
HIGH
VOLTAGE
REF.
VOLTAGE
REG IC
CONTROL
EHV
EHV
X-RAY
RETURN
RETURN
DF OUT
+B
H.CENT
H. OUT REG
+B
(DEF)
H. OUT
REG
H. OUT
CONTROL
H.
RETURN
COIL
H. OUT
DRIVE
CS6
CS1-5
CS
SW
CDT
G2
G3-2
EHV
+6.3V
HEATER
H. DY
H. LIN
COIL
 25

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