Ikegami HTM-1550R Service Manual page 44

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2
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4
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5 '
IC 1 0 2
- I 5 V In
,~
- 1 2 V REG f-------
I 2 V
IC I O I IC 1 03
FBP
-t
1 5 V I n
'~
+ I 2V
REG +SV REG
f------;o,- +
5 V
I C2 I I
l
+12V
IC207
+9V REG
AFC_FAST----.-:
AfC_NOR
--li
AFC MODE
SERECTER
VR2J,2
H. D
V. D
0/A_OATA
D/A_INH-1
0/A_A
D/A_B
0/A_C
D/A_INH-2
S/P_ST83
S/P_CLK
S/P_DATA
IC 101
1 .• ,
AFC_SL
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W---
.
H:HOLD
l
Nega/Posl
H-SYNC
H-AFC
H-VCO
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I-<
i-----
I , t DERAY I--,
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D111crlmln11tor Pu I
II
e WI d th COMPARATER
Nega/Posl
V,SAW AGC
DEF-CORRECTION
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v.osc
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& 1---, StDEPIN
Dlscrlmlnater
VCA
VERTICAL
·-s-wAVE
SIDEPIN
CORNER
l
TRAPEZOID
VERTICAL
·c-wAVE
SIDEPIN BALANCE
E/W OUT
PALALELOGRAN
V-BLK
0 UT
H-PtASE HEit HT
.
+SV REF
IC206
SIDEPIN CORNER
IC104,105 IC201~203, 701
SIDEPJN PHASE
-
BUFFER
f------,
CONTROL
-
VERTICAL s CONT
-
0/A
IC 107-1 I 1 AMP
- ~6~f~oL
-
CONVERTER
VERTICAL C CONT
-
f------,
BUFFER
f------,
V. C!f NT
- CON ROL
-
I C561
ROTATION
IC 1 06
DRIVE
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I 5KH z {NOT USEDJ
IC702
~
30KHz {NOT USEDJ
-
r-
45KHz tN OT USE DJ PHOTO H°CENT
f---;--TALLY
COUPLER
CONTROL
SERI--PARA
f---+-AFC_FAST
-
~ AFC_NOR
DECODER
f-.----
AFC_SLOW
f---+-4•3/16•9 {NOT USEDI
-
~
DEGAUSS
~
NO_BURST
i
+SV
6 ' 7 ' 8
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H,DEF
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OEf-tB
H,ORIVE
TR609
1
H. D
TR608
TRANSFORMER
TR A~
T601 T
H-DEF
DRIVE
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H-OEF
OUT
I C60 1. T R606,607
-
E/W ADD
CIRCUIT
H,DRIVE OUT
HV Ol
,--
I
I
I
ICSOI
IC531
I
V,DRIVE
OUT
I
D. F PULSE H-DEF/V.DEF/H-V
GENERATOR PROTECT CIRCUIT
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I
0 0
I
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oc oc I
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2
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1 2 V
0
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V-DEF OUT ;;I
V-OEF YORK
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CIRCUIT
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:;jROTATION
V.CENT
CONTROL
COIL
ABL
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I
IC402
VR401.
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L
.
-
SETUP/HEIGHT
SW
~
VR402:
?T
Hirt
Hflt1T
+12v-
OVERLOAD
LED DRIVE
OPERATE/SET UP
OVEJ DAD