Sony FD Trinitron KV-21LT1B User manual

1
SERVICE MANUAL FE-2 CHASSIS
MODEL COMMANDER DEST CHASSIS NO.
KV-21LT1B RM-887 French SCC-Q54C-A
KV-21LT1E RM-887 Spanish SCC-Q5 C-A
KV-21LT1K RM-887 OIRT SCC-Q51C-A
KV-21LT1U RM-887 UK SCC-Q52C-A
MODEL COMMANDER DEST CHASSIS NO.
KV-21FT2K RM-887 OIRT SCC-Q51E-A
RM-889
KV-21LT1
RM-887
KV-21FT2

25 26 27 28
5-2. BLOCK DIAGRAMS (1)
LOWB
5 4 1
CN001
J401
(1/2)
79
63
5 7
4 3 2 15
4
RELAY
SWITCH
Q601
T603
SRT
16 15 17 18
18 16
1 2
15
8
11 12
12
IC603
ERROR AMP
PH601
ISOLATOR
+B
D639
RECT AUDIO
VCC
+B
LOWB
3.3V REG
H-OUT
Q533
STBY
+3.3V
IC608
7
5
IC501
V OUTPUT
3 1
VD+
BOOST
REF
OUT
PIN OUT
Q532
6 5
4 3
2 1
D571,
Q571,574
T511
FBT
FV
ABL
12
3 4 1
5 6
13
8 9
11 10
7
V DY
V- DY+
DY ASSY
V- DY-
H DY
H- DY+
H- DY-
V- DY+ V- DY-
H- DY+
H- DY+
TO C BOARD
CN707
H1
200V
TO PICTURE
TUBE
2 3 6 5
+
-
+
-
1 7
IC531
PIN CORRECTION
EW
HP
PROTECT
IN
VP
VD-
41
2
3
T531
HDT
IC609
STANDBY
POWER
HD
D C
T602
D632
RECT
IC001
MICRO, VIDEO PROCESSOR, ROM, AUDIO, VIDEO SWITCH
CN601
CN510
VD
VGCH
VS
HP
+B
HV
CN508
XTAL OUT
RED
NVM WP LED L AUDIO
TO SPEAKERS
A ( )
POWER SUPPLY, DEFLECTION,
SMALL SIGNAL BOARD,
AUDIO AMPLIFIER
IC601
D514
-15V RECT
VIDEO
L
+5V
STBY
1 2 1 3
DGC
DGC DGC
DGC
CHECK
DGC CHECK
CN603 CN602
POWER
S601
2 1
H- DY-
H- DY-
TO C BOARD
CN706
G2
21
IC604
DUAL DC REGULATOR +8V
D116 D617
D608
LINE FILTER
T601 RELAY
RY601
MAIN RECT
D601
1 3 4 6 7 9
CT VSENSE RT TIMER SS OCP
12
VG(G)
Q606 Q607
6 5
4
7
3
LOWB
D624 D622 D618 D619
VM VCC
QCP DETECT
Q612, 602
1 4
CN1201
J1200
R AUDIO
64
XTAL IN
48
AUDIO MUTE 5
AUD OUT/CV6520
6
6721 VCC OUT
IC002
REMOTE CONTROL
RECEIVER
+3.3V STBY
6 5 2 3
+
-
+
-
7 1
+5V STBY
IC201
AUDIO AMP
MUTE
1
IN/INL
10 14
OUT/L
H-DRIVE
Q535
FUNCTION SWITCH
S001 - S006
68
IC401
AV LINK
+5V STBY
69
R0 58
A10 B10
1 2 3 4
G0 57
B0 56
IK 55
GREEN
BLUE
IK
EWD 17
VD- 18
VD+ 19
ABL 54
73
TO C BOARD
CN703
TO C BOARD
CN1705
7
CN504
J401
(2/2)
NSC CORRECT
ROT COIL
AGC SCL SDA
VIDEO
IC004
SDA
6
SCL
57
WP
71 SCL 72 SDA 36 CVBS2/
CVBSY2
2KEY/CS 3AGC
53 B2/UIN
1MODE1
80 MODE2 52 G2/YIN 51 R2/VIN 46 -/C4 50 INSSW2 40 CVBS1 45 -/CVBS4Y4 65 KEY/CS 32 AUDIO 1 29 AUDIO 2 42 CVBS3
A8
A11
A7 B8
A15
A16 B20 B15 A20
A2
BLUE IN MODE1 MODE2 GREEN IN RED IN C2 IN BLK V IN 1 Y/V IN 2
IC003
RESET
BUFFER
Q401,411
A19
TU101 MUTE SW
Q212
AUDIO
AUDIO VIDEO STBY 70
2
FB
D513
+15V RECT
5
1
G DRIVE, BKG
Q705, 706
B DRIVE, BKG
Q708, 709
R OUT
Q704
G OUT
Q 707
B OUT
Q710
H2 H1
RV702
H STAT
PICTURE TUBE
5
CN703 R
G
B
H2
CN707
TO A BOARD
CN502
TO A BOARD
T511 (FBT)
HR
C V
1+200V
R
G
B
H
V
RCV
G2
G
4
G
2
TO A BOARD
CN504
6 5 4
R DRIVE, BKG
Q702, 703
1
CN706
TO T511 FBT G2 1000V
3
CN1801
TO
ROTATION
COIL
1
3
CN1705
TO A BOARD
CN510 3
8
2 7 1
IC1801

A
B
C
D
E
F
G
R
S
T
U
V
W
X
Y
Z
H
I
J
K
L
M
O
P
Q
1
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4 5
feR B1TL12-VK E1TL12-VK K1TL12-VK U1TL12-VK K2TF12-VK
021CFu0001Fu0001Fu0001Fu0001mm0.5WJ
8221C---- Fu0022
1021NC,GULP
PROTCENNOC
,GULP
PROTCENNOC
,GULP
PROTCENNOC
,GULP
PROTCENNOC
,GULP
P4ROTCENNOC
06LHu. Hu. Hu. Hu. mm0.5WJ
0021Lmm0.5WJmm0.5WJmm0.5WJmm0.5WJ −
101UT114FE-FTB104CE-FTB104PE-FTB106UE-FTB104PE-FTB

B
A
34 35 36
A
D
E
F
G
B
C
R
S
T
V
W
X
Y
Z
1
2
3
4
5
6
7
8
9
10
11
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U
M
N
O
P
Q
H
I
J
K
L
36 37 38