Block Diagram - Ikegami HTM-1550R Service Manual

'
I -
' 2 '
3
'
4 ' 5 '
6
'
7 '
IC65
- - - - - - -
------
LilC56
,--
•
-7
7
TC57
I
I
PLL
HDTV
f
CLOCK
I
I I
I
r,.,JM I H
IC75
IC 76 TR 1 7
In,:;
I
vco
Fh
Fh- SIG,A00, """
-----JPARA/SERl~rl
f
IC58
SELECTOR I COUNTER
I
DECODER
I
I
COUNTER
~lH SIGNAL
LEVEL
SD~
I
.. c I ear-
I DATA
AMP
•2 ~
I
clearf I
r:
$3803_1
1
TR20
-
~ $3804-
--j"""
In
I
IC78 TR25
ICBO
C155
039.TR23
I"~ : $3805
START
I
-----1
D / A
~ H
LEVEL
BSELECTOR
OUTPUT I
w ADO-GENE,
CLAMP
C8B IT l AMP
ON/OFF
I
I
I
r
•
YSHAOOW
p
I
X3, I C6 1
Di\ TA
i
+OA/A\IB
I
z
IM Hz
I
I
GENE,
I
IC59
LATCH
TR29
X'
t
a
I
I
•
I H
f
OA,Al.'B/Sl
DSC
~ Rvl~ ~
$38
•
6- •
1
LEVEL
---=___J
,.__
-
- -
- - ----------
-
- - - _J AMP
X4, IC62
$3807
FBP
VD
127/1,00INHi IC 6 4
I Cl 7
X'
t
a
I
,--
- - - -
-----------
- - - - - - - - ----
- -
------
7 I
IC
7
7
DSC
·~
MARKER
I
•2
I ON/OFF
I
~ atRlNEift~3
1
~
I
VO
I
t
HARKER
MIX
I
[TEST
rr:1
y
~rl
~li"""
LJNL (
IC 7 4
on/orr
ITEST
CLK
CLK
2 F h
~
INT/EXT 2Fh/Fh VO ADDRESS """
SELECTOR
I
I COUNTER DECODER SELECT I COUNTER DECODER COUNTER 1 1
I
LI NE ADD
VO
' 1i
•
I
le
I
ear
.clear
t
I
DATA
'"
CG BLK
I
I
I C24
IC25
•
R CG
I
DATA
I
lcHARACTER1c CG
I
I
IC70.71.72.73 -1
D Il[NLtY IB
I 'STA~~"LI
yCuLLlR/NONO~
I LATCH
II
CG
'.
e I e a r
I
SP L l T
$3405~
I
I Ut.vuuL ~
ADO. GENE
.I
I
GENE.
V RI R IC28i. R IC2J
>
DATA
•
I
'
~
I
I LATCH
I
I
MARKER
HE
MARKER RcG.-.HARKERr
LEVEL
slL
•
ELc°loR
s -
MIXER
I
C
' 1-l.$3800-
ADJ.
___J
ROT AR
EN
COO
SIGNA
:
y
~
A
ER~
L _
8
~
SW' IR
01
~
-
'
~
-
CH909
SERI A
REMOT
I
n / o u
L
E
l
WIRELE
REMOTE
SS-
I o
RX
TX
PROBE
-
~
-
ON~
HO
H910
D
>
L
- -
-
---------------------- - - -
-
IC66
-s3so1
I
r- u
tt
n
11. 1 t
_$3802
DATA
I
LATCH
IC63 I
$3402~,69
" I
I
10
LATCH I
I'-'' '' ,;)
LI
IJ
+
DATA
I
LATCH
I
IC6 XI
T
""I
$430~~
t
IPO\.IER
-4 NH
:i I
---mr71TFF7 X. 1:
a
I
RESET DSC
$3404
EDGE
DETECT I
RESET
I
I CJ
I
cs
l
EDGE
I
•
BT 1 . IC
1
2
DETECT
I
BATTERY
I
TRI IC I
BACK UP
I C4 ~
PULSE
BUFFER
SHAPE
MIX
00-7
IC I 1
SRAH
I~
I C4
CPU
AO - 1 5
INVERTER:
(OOJO-I FFFJ
IC7
H
EPROM '~
C4000-FFFFI
I CB
IC83
IC81.82 ICB-4-87 I CBS
I
.....
BUS
I
LINE/IV
1---
BUFFER
DECODER
DETECT LATCH
I
[COUNTER
c
I
ea
r-,t.
I C95 l.$3406
BUS
I
BUFFER
IC89,90 IC92-94
I.
f---
IC1J
-Hl
920Hz/l Y
DECODER DETECT
LATCH
ADDRESS
c::=-
COUNTER
DECODER I
PARALL
REMOTE
~
EL ooo
000
'"
000
gog
Cll25
BOAR D,
BURS T
SENC E
OD- 07
lo
TX
0
RT
s
-
D
-
RX
CT
s
~
c I ea, ...
I CJO, 31
I I
I
LATCH
I
t_.$3000.3001
IC32-34
I I
LATCH
r
IC23L$3002-3004
DATA
7
R
0 lc 1
EV1ElifRI
IC 1 9
"'"1
RS232C
--1
DRIVER/
RECEIYER
t_.$
3 4 0 7
P0-4
'.
D0-7
RD,VO,E
X2, IC20
4 },\5/rH
1
DSC
IC21.
IC 1 8
SERT AL COUNTER
CONTROL
$3400,3401
I
•
614-411Hz
'
SPLIT on/off
OLOA/M N
IC 6 7
I
I
10
I
LATCH
-
+
MANUAL DATA
~IC49,SO
MANUAL r
/PRESET
SELECTDRL
IC35
IC51
IC53.52
-,
I
+
DATA SCAN SIZE SHADOW I
CONT
LATCH
I
CORRECT
MIX
I
$30
•
5----1
PRESET DATA
IC36 IC38,39
IC 4 1 , 4 2 IC-43-48
-,
b0-7
~
----1
SERIAL
~.-, MULTI
SAMPLE l
DATA DIA
•
LATCH C 1 OB IT> -PLEXER HOLD
I
$3006._j I C37
IC 4 8
I
I
H
bS-9
•
BUFFER
DATA
I I
LATCH
$3007._j I~ 1 5
~ADDRESS
S-3000-J007
OB0-7
DECODER
IC I 6
~ADDRESS
S-J400-J407
DA0-7
DECODER
IC I
7
~ADDRESS
S-JB00-3801
DECODER
IC 22
I
ADDRESS I
I
&
PORT
ORI VER
I
'
-1-
1 2V
- I 2 V
• 5 V
- 12 -
-
•
..
I
I
I
MPU
-
-
8
SHADO\l P
~ut
HO ITESTl
out
VDlTESTlout
TEST
SIGNAL
out
•
II
IN
DOW'
-
~
SIGNAL
In
CASP-1 Sl
-
TESTiCG
BLK
'"I
COLOR/MONO
' °'
I
B
:c:
R CG&HK
o" I
•
G
CG&MK
o" I
-
-
B
CG&MK
o"
I
-
-
HUE (M)
CHROMA (Ml
-
~
J
BRIGHT (Ml
C
CONT CMJ
HUE
.
"
'
-
CHROMA
'"l
J
BRIGHT
o " l
-
CONT
0 0
t
•
-
R. BKG o" I
J
G,BKG
.
"'
:c:
B. BKG
o" I
G. GAIN
o" l
'
8,GAIN
o" I
-
APT
o" l
-
DIA DATA
D
C
DIA A
DIA 8
DIA C
~
DIA !NH I
DIA INH2
AO
'"'
•
Al
0 0
t
~
A2
0 0
t
:c:
Ste
DATA
'"'
SIP CLK
o" l
SIP
ST B 1
0"'
:c:
SIP
STB2
o" I
51'
STB3
o" I
E
~
$200•
- -
-t-
I 2V
'"
0 - 1 2 V
'"
0 •5V
'"
•
BOARD
Diagram
3-905380
Block
C
•