Read Sony KV-21FK120 Service Manual online
KV-21FK120
KV-21FK120
38
5-3. BLOCK DIAGRAM AND SCHEMATICS
Main Tuner
($C0)
Antena
Switch
Micro
M65582MF-XXXFP
($60)
IR
Receiver
Menu
Keys
Front
Panel
Keys
Stand by/
Timer
Led
M24C16
($A0,$A2,$A4,
$A6,$A8,$AA)
Reset
Degauss
SW
Video Processor/Comb Filter
($??)
Tilt
Rotation
CRT
VM
RGB
Amp
Audio Processor
NJM1134
($82)
Audio Amp.
TDA8580Q
Mute
AC Line
Main Power
Supply
Energy Star
5V Stand-by
B+ Rectifier
115V
Low B
Rectifier
12.5V
Audio
Rectifier 14V
9V Regulator
5V Regulator
Video 1
Video 2
Video 3
Video 4
V-Out
H-Out
FBT
DY
Monitor
Out
Audio
Out
Power
Key
VCC
O-MUTE
Audio Inputs
A
udi
o
O
ut
put
s
O-ANTSW
I-AFT
I-AFT2
O-MONO
O-AGCMUTE
O-SAP
I-SAP
I-STEREN
O-NS
I-PO
W
E
RN
I-KEY
I-
M
E
N
U
I-
R
M
C
N
O-
L
E
D
Mechanical
S-Video
I-MECSVD
O-
RE
L
A
Y
N
O-
DGC
I-HLDWN
I-RESET
IO
-B
D
A
T
O
-BCL
KN
IO
-SDAT
O
-SCL
KN
Communication
Picture Signal
Power
Sound Signal
Tuning Related
Control Lines
Video SW
O-SEL0
O-SEL1
Main Tuner
Antenna
Switch
Micro
M65582MF-XXXFP
IR
Receiver
Menu
Keys
Front
Panel
Keys
Stand by/
Timer
Led
M24C16
,
Reset
Degauss
SW
Video Processor/Comb Filter
Tilt
Rotation
CRT
VM
RGB
Amp
Audio Processor
NJM1134
Audio Amp.
TDA8580Q
Mute
AC Line
Main Power
Supply
Energy Star
5V Stand-by
B+ Rectifier
115V
Low B
Rectifier
12.5V
Audio
Rectifier 14V
9V Regulator
5V Regulator
Video 1
Video 2
Video 3
Video 4
V-Out
H-Out
FBT
DY
Monitor
Out
Audio
Out
Power
Key
VCC
O-MUTE
Audio Inputs
A
udi
o
O
ut
put
s
O-ANTSW
I-AFT
I-AFT2
O-MONO
O-AGCMUTE
O-SAP
I-SAP
I-STEREN
O-NS
I-PO
W
E
RN
I-KEY
I-
M
E
N
U
I-
R
M
C
N
O-
L
E
D
Mechanical
S-Video
I-MECSVD
O-
RE
L
A
Y
N
O-
DGC
I-HLDWN
I-RESET
IO
-B
D
A
T
O
-BCL
KN
IO
-SDAT
O
-SCL
KN
IIC
Picture Signal
Power
Sound Signal
Tuning Related
Control Lines
Video SW
O-SEL0
O-SEL1
MIC 1
MIC 2
PON
HK BOARD
I²
C
I²
C
Vol 1
Vol
2
Echo
KR BOARD
Echo
Mic
1
Mic
2
Mic
1
Mic
2
Mi
cs
Inputs
PON
N
atu
ra
l
s
igna
l
Process
s
ignal
M65845AFP
MA
X
54
78
MA
X
54
78
Click on the first or last page to see other KV-21FK120 service manuals if exist.