Dm-140 - Sony CCU-TX50 Service Manual

Q301
CN301 FL303
CD
MPX PHASE
FILTER EQ
CN902 IC6,10,Q3
TRANS-HIRA-
TR-133,902-e21 e21 BUFF
PIN4-OVER
CN902 IC12,13
TRANS-HIRA- LEVEL
TR-133,902-a21 a21
PIN0-CABLE0 SHIFT
4 5
TRANS-HIRA-
TR-133,902-b21 b21
PIN1-CABLE1
IC10
TRANS-HIRA- LEVEL
TR-133,902-c21 c21
PIN2-CABLE2 SHIFT
3
TRANS-HIRA-
TR-133,902-d21 d21
PIN3-AUTO
Q102
POWER
D101
SUPPLY
Q101
CN101
FL103 Q101
D102
YD
MPX PHASE RF
BUFF EQ
FILTER EQ AMP
Q103,104 FL102
IC101 (1/5)
IC62(2/2)
+5V
CN902 Q63
c8
d8 +5.5V REG
e8
d9
-5.5V
e9
Q65
TRANS-HIRA-PIN9
TR-133,902-e22 e22
PWR-OK/NG
PLUG IN SELECT
CN15 CN902 CN1
RF-Y
d1 TRIAX-SIGNAL(X)-IN
CN16 CN2
RF-C
a1 COAX-SIGNAL(X)-IN
MPX
FILTER
RF_AUDIO
TR-133,CN100
RF_RET
TR-133,CN701
RF_PROMPTER
TR-133,CN801
CCU-TX50/V2
IC301 FL302 IC302 FL302 IC303 FL302
Q301 Q303-305 (1/5) Q307-309 (2/5) Q311-313 (3/5)
RF RF RF
BUFF EQ EQ EQ
AMP AMP AMP
Q302 D304 Q306 D306 Q310
POWER POWER POWER
SUPPLY SUPPLY SUPPLY
D C B
IC1(2/2)
COMPARATOR
TP1
IC12,13 IC7-9 IC4,5 IC204 IC1(1/2)
1,7 2,5 7
MANU/AUTO
DECORDER COUNTER COMPARATOR
SELECT
3 3
3
4,14
CABLE CLEAR
REF
LENGTH CONT
S1 IC6,7 IC2
D C B
D104 Q105 D106 Q108 D108
POWER POWER
SUPPLY SUPPLY
D103 D105 D107
RF RF
EQ EQ
AMP AMP
Q106,107 FL102 Q109,110 FL102
IC102 (2/5) IC103 (3/5)
IC61
+3.3V
Q61,62
REG D63
POWER
5 IC64
3,6 LEVEL 1,7
DIAG
2
REG
IC62(1/2)
-5V
Q64
CN101
CN301

DM-140

DM-140
FL302 IC304 FL302 IC901
TP301
(4/5) Q315-317 (5/5) D312,313 Q318-320 Q905
RF DIODE RF R-Y
EQ EQ
AMP ATT AMP DEMOD
D310
D308 D314
TP302
POWER Q910
SUPPLY IC306 1 D902
DC 90
A AMP SHIFT
2 Q321-326 Q911
PEAK
BUFF
HOLD
RV301
C AGC
CONT
IC306
D2,3
EQ
5
DC P-P
AMP HOLD
Q1,2
IC801
Q803
RF
AMP
B-Y
DEMOD
S301
C 2nd AGC
A
Q111 D110
POWER
SUPPLY
IC601
TP101
D112,113 Q114,115 Q601
D109
RF DIODE RF SKIN
EQ EQ
AMP ATT AMP DEMOD
FL102 Q112,113 FL102
TP102
(4/5) IC104 (5/5)
IC106 1 DL601
DC 90
AMP SHIFT
2
Q116-118
PEAK
HOLD
RV161
Y AGC
CONT
IC701
Q703
Y
DEMOD
S301
C 2nd AGC
IC501
6 DUMMY
DEMOD
LV501
SYNC SEP
SYNC CLAMP
SYNC
3-3 3-3
TP902
Q902 IC903
RV902
1 3
GAIN DC R-Y IC905 IC906
CONT AMP Q907 LEVEL (1/2) (2/4)
2 1 4,5
R-Y LEVEL
SYNC S/H
DIAG SHIFT
Q906
IC204
FL901 IC902
4 1
VIDEO
LPF
AMP
BLACK
IC903 Q908
RV901
DC
R-Y S/H
AMP
CARBAL
5 IC904(1/2) Q909
7 6 1 3
90 VOLTAGE
S/H
CONT FOLLOWER
IC904(2/2)
SAMPLE
RV805
Q808,809 IC804
C CAR LEV
TP803 TP802
FL802 X801 (2/2)
7 VCO 6
LPF VCO
CONT
IC804
RV804 1 (1/2)
C VCO DC SET
VOLTAGE
IC803(2/2) FOLLOWER
7 5
DC
RV801
AMP Q806 3 Q807
B-Y
CAR BAL Q804
S/H BLACK S/H SYNC
TP801
FL801 IC802
4 VIDEO 1
LPF
AMP
Q805
S/H SAMPLE
IC905 IC906
IC803(1/2) (2/2) (1/4)
1 3 5 7 1,2
DC B-Y LEVEL
AMP DIAG SHIFT
RV802
B-Y LEVEL
IC704,705 IC906
Q708 (4/4)
SKIN 12,13 LEVEL
Q602
TP601 DIAG SHIFT
FL601 Q603 Q604
LPF MIX AMP
IC603(2/2)
IC602 Q605 1 VOLTAGE 3
1 3 FOLLOWER Q607
DC
RV601
S/H
AMP
Y OFFSET
BLACK S/H
BLACK
Q613,614 Q610-612
TP603 TP602
FL602 X601 6 Q608
7 5
VCO
LPF VCO S/H
CONT Q606
RV602
RV603 IC603(1/2)
Y VCO BUFF
Y CAR LEV
SYNC
DC SET
IC703(1/2)
Q705 1 DC 3
AMP
Q706
BUFF
Q704
S/H BLACK
TP701
FL701 IC702
4 1
VIDEO
LPF
AMP
Q707 3 IC504
RV701
Y CAR BAL
SAMPLE
SAMPLE S/H
SLICER
IC705
Q303-305 1 (2/2)
4 1 5 7
RF Y
AMP DIAG
RV702
Y LEVEL
IC505
TP501 TP503 TP504
Q504 IC502 Q303-305 10 Q502
23 2 SYNC 3 9 SAMPLE GATE 12 SAMPLE S/H SAMPLE CLAMP
BUFF
SEP PULSE GEN PULSE GEN
RV502 RV503
SAMPLE GATE SAMPLE S/H
IC505(1/2) IC503(1/2)
TP505 TP502
Q503 Q501
4 1 4 1 BLACK CLAMP
SYNC S/H BLACK S/H
BLACK
PULSE GEN PULSE GEN
RV504 RV501
SYNC S/H BLACK S/H
CN902
D/A-ANA-
b23 AT-155,902-b23
LEVEL1-IN R-Y
6
TRANS-HIRA-PIN6
b22 TR-133,902-b22
R-Y DIAG
CHU R-Y(X)-OUT a10 IV-57,902-d7
RV903
CN902
90 SET
D/A-ANA-LEVEL3-
d23 AT-155,902-d23
IN R-VDS
D/A-ANA-LEVEL2-
a6 AT-155,902-e22
IN B-Y
RV803
B-Y OFFSET
ADJ
CN902
CHU B-Y(X)-OUT a7 IV-57,902-a7
CN902
3
TRANS-HIRA-
c22 TR-133,902-c22
PIN7 B-Y DIAG
D/A-ANA-
c23 AT-155,902-c23
LEVEL2-IN B-Y
11 TRANS-HIRA-PIN8
d22 TR-133,902-d22
SKIN DIAG
IC506(1/2)
IC507
SYNC
CHU-SYNC-OUT a4 IV-57,902-e6
SEP
IC506(2/2)
IC508
SKIN GATE SKIN-TONE-
a19 IV-57,902-d10
SEP GATE-OUT
CN902
CHU Y(X)-OUT a17 IV-57,902-a10
IC906
(3/4)
9,10 8
LEVEL TRANS-HIRA-PIN5
a22 TR-133,902-a22
SHIFT Y DIAG
D/A-ANA-
a23 AT-155,902-a23
LEVEL0-IN-Y
SAMPLE
DM-140