Sony KV-HA21M80 (serv.man3) Service Manual ▷ View online
– 26 –
– 25 –
KV-HA21M80
RM-969
KV-HA21M80
RM-969
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
6
1
4
3
CN302
M-SW
R
SCL
SDA
59
60
38
36
35
34
3
6
56
54
12
L/H
U/V
VC
RESET
EXTAL
XTAL
TIMER
RESP/
IICLK0
IIDAT0
BLK
NICAM
VC AMP
Q105
Q106
VC FILTER
Q100
BUFFER
AGC
TU
U/V
L/H
51
50
49
42
47
25
55
53
26
17
48
27
R
G
B
BRT ABL
HSYNC
HSYNC
IICLK1
IIDAT1
SIRCS
VPULSE
VSYNC
HDSW
IC001 SYSTEM CONTROLLER
Q315
G BUFFER
5
6
IC003 MEMORY
1
2
IC004 IR DET
+5V
2
3
4
1
D/K
I
M
B/G
5
4
IC002 +5V REG
1
+9V
+5V
X101
Q001
LED
DRIVE
DRIVE
LED
Q002
+5V
TIMER
D001
NICAM
ST/BY
Q103, 104
FILTER
SWF100
Q102
IF BUFFER
IF
TU100
Q101
BUFFER
6
2
L
IF
CN301
7
3
26
27
22
21
L IN
R IN
TVR
TVL
L OUT
R OUT
MON OUT L
AUDIO IN L
AUDIO IN R
MON OUT R
MONITOR OUT L
MONITOR OUT R
L1
R1
SDA SCL
R OUT
L OUT
R IN
L IN
7
12
2
5
TONE CONT
IC201
IC203
AUDIO OUT
+9V
IC604
+9V
Q403
BUFFER
Q404
BUFFER
R MUTE
Q402
Q401
L MUTE
L (MONO)
R
CN200
SP L
SP R
J200
HEADPHONE
MONITOR
OUT
A
POWER SUPPLY, DEFLECTION, AUDIO
AND VIDEO PROCESSING,
AUDIO/VIDEO INPUT/OUTPUT,
SYSTEM CONTROLLER
AND VIDEO PROCESSING,
AUDIO/VIDEO INPUT/OUTPUT,
SYSTEM CONTROLLER
18
19
20
21
48
49
54
41
34
35
23
24
25
26
IF IN
IF IN
AGC
SSCP/FBT
3.58
4.43/3.58
R IN
G IN
B IN
IN SW
SCL
7
8 SDA
30
29
38
31
32
22
50
R-Y OUT
B-Y OUT
CVBS OUT
B-Y
R-Y
ABL
EHTX-RAY
IC301
Y/C JUNGLE
X443
4.43MHz
X358
3.58MHz
IF OUT
CVBS IN INT
6
13
H PROT
Q004
Q800
H DRIVE
3
1
PIN CONT
IC850, IC851
Q802
PIN OUT
IC551
V OUT
5
1
7
Q801
H OUT
L802
DUMPER
D804, D851
S801
H SENT
FV
HV
+135V
–13V
+15V
T503 FBT
Q561
X RAY
+135V
D561
D591
D1505
H+
H+
H–
H–
V–
V+
DY1
1
5
200V
1000V
H1
CN500
CN300
CN703
3
2
1
5
Q712
Q711
Q710
Q706
Q705
Q704
R DRIVE
G DRIVE
B DRIVE
R AMP
G AMP
B AMP
Q709
Q708
Q707
IK LIMIT
IK LIMIT
IK LIMIT
R
G
B
IK
10
9
8
3
J701
+9V
6
1
5
200V
H1
CN701
G2
RV702
CV (RGB AMPLIFIER)
T601
+18V
+11V
+B
D601
S600
F601
1
2
DRIVE
LATCH
OVP
OSC
9
8
6
7
2
1
3
4
PH600 PHOTO COUPLER
1
2
IC602 ERROR AMP
IC601 REG SW
CN601
AC IN
HDY
VDY
H+
H–
V+
V–
DY ASS'Y
IK
B OUT
G OUT
R OUT
MUTE
MUTE
11
40
45
46
47
HOR OUT
EAST/WEST
VERT POS
VERT NEG
R
G
B
IK
2
4
1
7
9
10
5
6
11
13
17
16
15
14
13
11
2
3
4
5
8
7
T600
1
2
T801
H2
V901
PICTURE TUBE
VIDEO
L (MONO)
R
IN 1
VIDEO
(FRONT)
(REAR)
VIDEO
IN 1
R
L (MONO)
VIDEO
17 CVBS IN
55 DEEMP
SPACE SOUND
IN
OUT
RESET
CLK
DAT
41
40
KEY1
KEY2
S006
FILTER
SYNC
SYNC
FILTER
SYNC
FILTER
CT345,CF345
Q303
Q300
CT360,CF360
CT360,CF360
Q304
CT365,CF365
CT365,CF365
Q306, 308
Q307, 310
Q311, 313
DK SW
I SW
M SW
B/G SW
Q309, 312
Q301, 303
Q305
CT355,CF355
CT355,CF355
SYNC
FILTER
SYNC
FILTER
CH +
CH -
S003
VOL -
S005
VOL +
S001
TV/VIDEO
S004
S002
SEL
CN001
6
4
3
6
B
BLK
SDA
SCL
CN002
2
1
3
2
7
R
G
VP
VIDEO
HP
1
SIF IN
Q319
BUFFER
REG
4
1
2
3
4
6
5
3
2
1
5
9
6
8
2
TVR
8
VIDEO
J400
Q405
BUFFER
6
8
4
2
1
1
SIF
– 27 –
KV-HA21M80
RM-969
5-2. CIRCUIT BOARDS LOCATION
A BOARD
CV BOARD
– 28 –
KV-HA21M80
RM-969
5-3. SCHEMATIC DIAGRAM
Note:
•
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise
noted.
noted.
•
All resistors are in ohms.
k
k
Ω = 1000Ω, MΩ = 1000kΩ
•
Indication of resistance which does not have rating electrical
power is as follows.
power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation or adjustment for rrepair.
•
All variable and adjustable resistors have characteristic curve
B unless otherwise noted.
B unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark
no mark
: Common
(
)
: PAL
[
]
: NTSC 3.58
•
Readings are taken with a 10 M
Ω digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
All voltage are in Volt.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
÷
: signal path.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
:
✽
ADJUSTMENT RESISTOR
COIL
: LF-8L
MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note:
The component identified by shading and
mark
mark
! are critical for safety. Replace only
with part number specified.
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