Block Diagram (3); Schematic Diagrams And - Sony FD Trinitron KV-28FX65B Service Manual

5-1. BLOCK DIAGRAMS (4)
IC9105
MAIN MICRO-CONTROLLER
CN9101
9 SCLO
A(19)
A19 29
SWITCH
B6 SCLO A(18)
Q9108,9109 A18 28
87 SCL1
A(17)
A17 27
A(16)
A16 26
B1 DISABLE SWITCH
A(15)
Q9110 A15 75
A(14)
A14 74
A(13)
A13 73
B7 SDAO 86 SDA1
SWITCH A(12)
A12 72
Q9106,9107
A(11)
A11 71
10 SDA0
A(10)
A10 70
95 CS/DISABLE A(9)
A9 69
A(8)
A8 68
A(7)
A7 65
SDA 5 A(6)
A6 64
IC9108 SCL 6 A(5)
A5 63
WP 7 30 WP A(4)
A4 62
A(3)
6 XTAL1 A3 61
X9101 A(2)
A2 60
IC9100 16MHZ
A(1)
KEY PAD DRIVER 7 XTAL2 A1 59
A(0)
A0 58
A2 KEY2
5 +2 OUT2 7 94 TC INT
CS0 81
A3 KEY1
3 +1 OUT1 1
CS2 83
99 KEY2
/RD 33
100 KEY1
AGC MONITOR
B3
2 AGC MON
/WR 34
A4 RESP. LED
SWITCH
Q9105 12 RESP LED
B4 PIN8
91 PIN8
A5 SIRCS
98 SIRCS
A12 ST BY
13 ST.BY
A13 PROT
92 PROT
AC ON/OFF
A14 D(16)
93 AC ON.OFF AD15 57
IC9104 D(15)
AD14 56
D(14)
AD13 55
TO A BOARD A10 RST IN
1 RESET PULSE 8 32 WDT CLK D(13)
AD12 54
CN1901
D(12)
AD11 53
7
D(11)
AD10 52
ENABLE 6 31 WDT EN D(10)
AD9 51
D(9)
AD8 50
D(8)
78 RST IN AD7 47
D(7)
AD6 46
A20 MID BUSY
1 MID BUSY D(6)
AD5
45
B5 AV LINK SWITCH D(5)
11 AVLINK OUT AD4 44
Q9100
D(4)
AD3 43
D(3)
AD2 42
90 AV LINK IN
D(2)
IC9110 AD1 41
MASTER RESET I.C. D(1)
AD0 40
RES. AUDIO EO 15 79 /RST OUT
B8
14 RES. AUDIO
CLOCK 3 23 CLOCK
B10 RESET 100
13 RES. PICTURE
DATA 2 15 DATA IC9502
MEGATEXT I.C.
A11 TC LED /STR
12 TC LED 1 14 /STR
AUDIO MUTE MTX RES 6 M3LEN 16 68
B20
11 AUDIO MUTE
DSD OFF 7 MRST
17
MTSR 18 67
B17 VP 100
3 VP 100
HP 100 SCLK 22 66
B18
4 HP 100
IC9500
TEXT BLANKING GENERATOR
SWITCH 17 RES
B15 TXT CLK Q9504,9503
11 VS
4
12
10 5 HS
13 2 CLK
9
XIN
2
64 BLAN
8
TXT BLK XOUT
B11 1
6
B9 VIDEO
10 CVBS
TCS
B16 3
TCS
GPO
8
B12 TXT B
63 B
B13 TXT G AMPLIFIER
Q9500,9501, 62 G
B14 TXT R 9502
61 R
43
IC9109
PROGRAMMABLE O.T.P.
A(19)
A(18)
2
A(18)
A(17)
3
A(17) A(16)
35
A(16) D(15)
36 A(15) Q15A-1 32
A(15) D(14)
37 A(14) Q14 30
A(14) D(13)
38 A(13) Q13 28
A(13) D(12)
39 A(12) Q12 26
A(12) D(11)
40 A(11) Q11 22
A(11) D(10)
41 A(10) Q10 20
A(10) D(9)
42 A(9) Q9 18
A(9) D(8)
43 A(8) Q8 16
A(8) D(7)
4 A(7) Q7 31
A(7) D(6)
5 A(6) Q6 29
A(6) D(5)
6 A(5)
Q5 27
A(5) D(4)
7 A(4) Q4
25
A(4)
A(3) D(3)
8 Q3 21
A(3) A(2) D(2)
9 Q2 19
A(2)
A(1) D(1)
10 Q1 17
A(1) A(0) D(0)
11 Q0 15 TO A BOARD
CN1401
CS0
12 E
/RD
14 G
IC9107
R.A.M.
1 RD
6 WR
CS2 D(7)
27 D7 26
CS
D(6)
D6 25
A(14)
8 A14 D(5)
D5 24
A(13)
5 A13 D(4)
D4 23
A(12)
9 A12 D(3)
D3 22
A(11)
2 A11 D(2)
D2 20
A(10)
28 A10 D(1)
D1 19
A(9)
3 A9 D(0)
D0 18
A(8)
4 A8
A(7)
10
A7
A(6)
11
A6
A(5)
12
A5
A(4)
13 A4
A(3)
14 A3
A(2)
15 A2
A(1)
16 A1
A(0)
17 A0
IC9400
A(18)
9 A18 WR 7
A(17)
6 A17 RD
32
A(16)
10
A16
A(15)
11 D(7)
A15 D7 29
A(14)
5 A14 D(6)
D6 28
A(13)
A13 D(5)
4 D5 27
A(12)
D(4)
12 A12 D4 26
A(11)
D(3)
1 A11 D3 25
A(10)
D(2)
31 A10 D2 23
A(9)
D(1)
2 A9 D1 22
A(8)
6 D(0)
3 A8 D0 21
X9500
A(7)
20.480MHZ 13 A7
7 A(6)
14 A6
A(5)
15 A5
A(4)
16 A4
A(3)
17 A3
A(2)
18 A2 ( )
M1
A(1)
19 A1
MICRO TEXT
A(0)
20 A0
44
CN4101
B1 EXTRA PARABOLA
63 EXTRA PARA
D FOCUS
A3
64 DF PARA CN5400
B18 Y100
52 YIN
B19 U100 R
53 Ct1 IN 1
B20 V100
Cr1 IN
54
B15 SWITCH (PORT 3)
55 FS
B14 YMID
56 Y2 IN
B13 UMID
57 Ct2 IN
B12 VMID
58 Cr2 IN
A1 HDEFL
59 HS IN
L2FJL 19 CN4500
A6 VDEFL G
60 VS IN 3
RED 1
A16 SDA2 R OUT 30
61 SDA
G OUT GREEN 3
B16 SDL2 28
62 SDL
BLUE 5
RED B OUT 26
A10
36 R2 IN
IK 8
B10 GREEN IK IN 25
35 G2 IN
B11 BLUE
34 B2 IN CN4502
A11 BLK 2 TO VM BOARD
33 YS/YM2 VM OUT 45
CN5402
A20 DPIC SW X4300
DPIC DCTR B
43 503.5 kHz 5
500K 15
A2 HD
17 HD
B2 FB PULSE
18 HP IN
EW
B3
1 EW
8 IK
B8 ABL
22 ABL IN
23 ABL FIL
+12V
A8 XRAY
13 SCP
( )
E
IC4301 RGB OUT / CHROMA
MULTI COMPONENT PROCESSOR
( )
VM
VELOCITY MODULATION
CN5602
3 Q.P - Q.P -
TO
D1 BOARD 4
Q.P + Q.P +
CN6502
CN5402
VM BUFFER
TO E BOARD 2 VM IN VM AMP VM OUT
Q5402,5403,
CN4502 Q5400,5401 Q5406,5407
5404,5405
FV
TO D BOARD
+12V POWER ON SWITCH IC5300
FV (T6804)
Q5350 VIDEO OUT (RED)
1 VB
J5375
G4
3 VI
R
8
STANBY SW 9 VDF VO 8
Q5300
G
7
IK
5
IC5325 B
6
VIDEO OUT (GREEN)
1 VB
G2
1
3 VI
H1
3
PICTURE TUBE
STANBY SW 9 VDF VO 8
Q5325
5 IK
HV
IC5350
VIDEO OUT (BLUE)
1 VB
TO D BOARD
HV (T6804)
3 VI
CN5600
H1
4
STANBY SW 9 VDF VO 8
Q5351
TO D BOARD
CN6500
G2
5 IK 1
RV5375
VOLTAGE DET G2
Q5375, 5376
( )
C
CRT DRIVE
CN5444
QP-
1
2
QP+
3
4
7
VM
8
NECK
ASSY
45
5-2. CIRCUIT BOARD LOCATION Reference Information
RESISTOR RN : METAL FILM
RC : SOLID
C
FPRD : NON FLAMMABLE CARBON
C Board
FUSE : NON FLAMMABLE FUSIBLE
N
RS : NON FLAMMABLE METAL OXIDE
M1 Board
VM Board
VM RB : NON FLAMMABLE CEMENT
E Board F1 Board
H8 Board
CVM Board RW : NON FLAMMABLE WIREWOUND
H F4 Board
J
S1 Board : ADJUSTMENT RESISTOR
A2
COIL LF-8L : MICRO INDUCTOR
CAPACITOR TA : TANTALUM
A Board
A1 PS : STYROL
B1 Board
D Board D2
A PP : POLYPROPYLENE
D1 H7 Board
D1 Board J Board
D
PT : MYLAR
A Board
MPS : METALIZED POLYESTER
MPP : METALIZED POLYPROPYLENE

5-3. SCHEMATIC DIAGRAMS AND

ALB : BIPOLAR
PRINTED WIRING BOARDS
ALT : HIGH TEMPERATURE
Note :
ALR : HIGH RIPPLE
• All capacitors are in µF unless otherwise noted.
• pF : µµF 50WV or less are not indicated except for
electrolytic types.
• Indication of resistance, which does not have one for
rating electrical power, is as follows.
Note :
The components identified by shading
Pitch : 5mm
and marked are critical for safety.
Electrical power rating : 1/4W
Replace only with the part numbers
specified in the parts list.
• Chip resistors are 1/10W
• All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms
Note : Les composants identifiés par une trame et
• : nonflammable resistor.
par une marque sont d'une importance
• : fusible resistor. critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
• : internal component.
specified.
• : panel designation or adjustment for repair.
• All variable and adjustable resistors have
characteristic curve B, unless otherwise noted.
• All voltages are in Volts.
• Readings are taken with a 10Mohm digital mutimeter.
• Readings are taken with a color bar input signal.
• Voltage variations may be noted due to normal production
tolerences.
• : B + bus.
• : B - bus.
• : RF signal path.
• : earth - ground.
• : earth - chassis.
46