Sony KV-21C5B Service Manual ▷ View online
25
26
27
28
29
5-1 BLOCK DIAGRAMS
S1
SCL
SDA
SIF
MONO
R1
L1
R2
L2
TVR OUT
TVL OUT
R AUDIO OUT
L AUDIO OUT
TO A BOARD
CN101
(STEREO DECODER)
IC1101
STEREO DECODER
5
12
29
33
34
36
37
4
SCL
SDA
SIFI
MONO IN
SCART 1 IN R
SCART 1 IN L
SCART 2 IN R
SCART 2 IN L
TVR OUT
TVL OUT
AUDIO R OUT
AUDIO L OUT
47
48
60
61
SCART 1 OUT
SCART 1 OUT
MAIN OUT R
MAIN OUT L
TVR OUT
TVL OUT
AUDIO R OUT
AUDIO L OUT
17
18
XTAI OUT
XTAI IN
CN1101
1
2
5
6
9
10
11
12
14
15
16
17
G DRIVE, BKG
Q705
B DRIVE, BKG
Q708
R OUT
Q704
G OUT
Q 707
B OUT
Q710
H2
C
(RGB OUT)
H1
RV702
H STAT
PICTURE TUBE
6
CN703
R
G
B
CUT OFF
H2
CN701
TO A BOARD
CN502
TO BOARD
T511 (FBT)
H
R
C
V
C
V
2
+200V
R
G
B
H
V
V
RCV
G2
G
4
G
2
D711
PROTECT
TO A BOARD
CN504
1
2
3
6
R DRIVE, BKG
Q702
G2 1000V
TO A BOARD
T511 FBT
CN706
TU101
AGC
SCLI
SDAI
5
2
3
4
IF1
SWF
101
SWF
102
1
2
23
24
14
VIF
VIF
SIF
SIF
TU AGC
8
12
16
CN001
AGC
SCLI
SDAI
CS
J402
AUDIO L
AUDIO R
Y/CVBS
AF OUT
QSS
DET OUT
STAND SW RF
AGC
AFC
BUFFER
Q101
SYNC SEP
Q005, 004
3
22
17
21
4
9
SCL
SDA
14
15
10
16
SWITCH
Q006
13
9
10
15
11
O-KEY/SCART
I-KEY/SCART
I-KEY/SCART 1/2
I MODE 1
I MODE 2
14
12
I-KEY
I-KEY
19
48
11
6
12
X001
12MHZ
43
1
1
42
41
5
24
36
37
51
8
IC003 RESET
17
30
IC301
Y/C JUNGLE
AMPLIFIER
Q007,008,
009
34
33
32
7
32
31
30
29
35
35
34
52
SWITCH
Q011
43
2
4
48
47
18
41
25
28
27
26
6
VIDEO AMP
Q408, 409
2
18
IC201
AUDIO AMP
BUFFER
Q012
3
A6
A2
A1
A3
A19
B8
A8
A7
A11
A15
A16
A20
B15
B20
24
21
22
23
1
2
3
6
1
2
5
4
6
9
10
11
12
14
15
16
17
14
12
1
4
6
19
13
14
3
11
1
2
2
1
1
3
MAIN RECT
D601
DGC
7
6
5
8
RELAY
RY601
LINE FILTER
T601
5
7
4
3
2
1
5
4
RELAY
SWITCH
Q601
T603
SRT
7
5
8
4
3
1
4
11
12
2
3
16
15
14
13
1
2
IC603
ERROR AMP
PH601
ISOLATOR
D605
+B RECT
D614
RECT
D610
RECT
AUDIO
VCC
+B
+B
IC604
1
3
5VREG
IC605
1
3
9VREG
MUTE SW
Q202
5V REG
H-DRIVE
Q535
H-OUT
Q533
+5V
+9V
LOW B
STBY
+5V
IC608
7
5
IC501
V OUTPUT
3
1
VD+
BOOST
REF
OUT
PIN OUT
Q532
6
5
4
3
2
1
2
4
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
CN701
200V
H1
TO PICTURE
TUBE
2
3
6
5
+
-
+
-
1
7
IC531
PIN CORRECTION
EW
HP
PROTECT
IN
VP
VD-
3
2
1
4
T531
HDT
IC609
STANDBY
POWER
HD
D
C
T602
D632
RECT
DGC
DGC
DGC
CHECK
DGC CHECK
IC001
MICRO CONTROLLER
SCLO
SDAO
SDA
SCL
MON OUT
SCL
SDA
CN201
J201
CN601
CN603
CN602
J401
CN101
CN504
FBO CP
VCC
D
S
HP
+B
HV
CN508
0-MSP/ASW
0-V BLK
0- +B DROP
0-VOL
0-SP MUTE
OSD BLK
R
G
B
0-WP
EXT CVBS
0-XRAY PROT
VP
HP
X-IN
MON OUT
X-OUT
D-N-C
0-ROT/VC
RESET
I-PROCDES
0-LED
0-STBY
0-SCART 1/2
0-KEY SCART
I-KEY-SCART
0-BAND-L
0-BAND-M
AGC DEFEAT
AGC MON
I-AFT
BE/DK/I
0-RFAGC
0-COIN
INT BLK
INT R2 IN
INT G2 IN
INT B2 IN
SDAO
SCLO
HP
PROTECT
PROTECT
Y1/CVBS IN
CI IN
XTAL 2
XTAL 1
TV/C2 IN
IK IN
B OUT
G OUT
R OUT
HD
VD-
VD+
EW
ABL IN
Y/CVBS IN
EXT BLK
EXT R IN
EXT G IN
EXT B IN
MON OUT
HD
VD-
VD+
EW
ABL
MUTE
NC/IN 2
R OUT/OUT
L OUT/NC
R IN/IN 3
VAR/L
MON OUT
VAR R/SW
VOLUME
STBY
L IN/IN 2
R AUDIO
L AUDIO
SCL
SDA
SIF
RST
MONO
R1
L1
R2
L2
TVR OUT
TVL OUT
R AUDIO OUT
L AUDIO OUT
L AUDIO IN
L AUDIO IN
MODE
DET V OUT
DET L OUT
DET R OUT
MODE
BLUE
GREEN
RED
BLK
YV IN
C IN
V IN
RED
GREEN
BLUE
IK
TO C BOARD
CN703
TO SPEAKERS
TO S1
BOARD
CN1101
A ( )
TUNER, POWER SUPPLY HV OUT
AUDIO, MICRO CONTROLLER/TEXT
YC JUNGLE VIF DECODER
IC005 SWITCH SCART
MATRIX
IC101 VIF/SIF
DEMODULATOR
IC606
POWER
D513
+15V RECT
D514
-15V RECT
IC004
NVM
-15V
10
2
3
9
5
H- DY-
H- DY-
HEADPHONES
4
1
S601
POWER
45 I-SIRCS
SIRCS
RESP
FUNCTION
SWITCH
S001-S006
1
IC002 REMOTE CONTROL
RECEIVER
STBY
+ 5V
L
R
VIDEO
2
SWF
103
7
SWITCH
Q109,110
20 0-BAND-L
1000V
CN501
TO C BOARD
CN706
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