Sony KF-42SX300 / KF-42SX300K / KF-42SX300U Service Manual ▷ View online
– 29 –
KF-42SX300
RM-906
4-1-5. Operation Method for Adjustments
1. Functions of Keys on Commander
• v V b B: Changes data value. (up or down)
: Marker moves up, down, or to the left or right.
(in fine adjustment mode)
• (OK) : Switches marker moving method.
(in fine adjustment mode)
joystick (v, V, b, B) keys
c 1 and 4 buttons
DIGITAL /
TV STANDBY
ON SCREEN
DISPLAY
DISPLAY
SCREEN
FORMAT
FORMAT
Wide
Zoom
14 : 9
14 : 9
4 : 3
Smart
MUTE
TV MODE
VOLUME +
JOYSTICK
MENU
VOLUME -
VIDEO STANDBY
Write data to NVM
Copy PAL data to NTSC
4-2. Screen Center Adjustment
1. Input a monoscope PAL signal in wide mode.
2. Go into the Service mode; Display adjutment.
3. For Horizontal adjustment; modify to center left-right.
4. For Vertical adjustment; modify to center up-down.
5. Display PC input with XGA 60Hz resolution.
6. Check picture is not hidden on the top.
0
0
f
f
o
e
d
o
m
'
T
T
'
1
0
m
u
m
i
x
a
m
o
t
l
e
v
e
l
e
r
u
t
c
i
p
t
e
S
2
0
m
u
m
i
n
i
m
o
t
l
e
v
e
l
e
r
u
t
c
i
p
t
e
S
3
0
%
5
3
o
t
e
m
u
l
o
V
t
e
S
4
0
%
0
5
o
t
e
m
u
l
o
V
t
e
S
5
0
%
5
6
o
t
e
m
u
l
o
V
t
e
S
6
0
%
0
8
o
t
e
m
u
l
o
V
t
e
S
7
0
n
o
e
d
o
m
g
n
i
e
g
A
8
0
n
o
i
t
i
d
n
o
C
g
n
i
p
p
i
h
S
1
1
t
n
e
m
t
s
u
j
d
a
e
r
u
t
c
i
P
b
u
S
2
1
t
n
e
m
t
s
u
j
d
a
r
u
o
l
o
C
b
u
S
3
1
t
n
e
m
t
s
u
j
d
a
s
s
e
n
t
h
g
i
r
B
b
u
S
5
1
t
s
e
t
li
o
c
n
o
i
t
a
t
o
R
6
1
%
0
5
l
e
v
e
l
e
r
u
t
c
i
P
9
1
e
l
b
a
s
i
D
/
e
l
b
a
n
E
e
d
o
M
y
r
o
t
c
a
F
1
2
R
K
E
D
A
n
o
i
t
a
n
i
t
s
e
D
2
2
L
B
n
o
i
t
a
n
i
t
s
e
D
4
2
U
n
o
i
t
a
n
i
t
s
e
D
1
3
)
s
e
h
c
n
i
0
6
/
0
5
(
n
o
i
t
c
e
l
e
s
s
e
h
c
n
I
2
3
g
a
l
f
e
l
b
a
n
e
k
c
i
t
S
y
r
o
m
e
M
3
3
t
n
e
m
t
s
u
j
d
a
D
C
L
r
e
V
-
r
o
H
4
3
g
a
l
f
r
o
t
c
e
l
e
s
J
P
R
5
3
n
o
i
t
c
e
l
s
l
e
d
o
m
e
d
i
W
6
3
t
s
e
t
n
o
/
f
f
o
M
V
9
3
g
n
i
n
u
t
o
t
u
a
o
t
s
s
e
c
c
a
t
c
e
r
i
D
2
4
t
s
e
t
r
e
f
o
o
w
b
u
S
3
4
d
n
u
o
s
A
l
a
u
D
t
c
e
l
e
S
4
4
d
n
u
o
s
B
l
a
u
D
t
c
e
l
e
S
5
4
d
n
u
o
s
o
n
o
M
t
c
e
l
e
S
6
4
d
n
u
o
s
o
e
r
e
t
S
t
c
e
l
e
S
9
4
n
i
g
r
i
v
s
a
M
V
N
t
e
S
3
5
e
l
b
a
s
i
d
/
e
l
b
a
n
e
n
o
i
t
a
l
u
d
o
m
r
e
v
O
M
F
8
5
t
s
e
t
k
c
i
t
S
y
r
o
m
e
M
2
6
e
l
b
a
s
i
d
/
e
l
b
a
n
e
d
n
a
b
e
s
a
b
m
o
r
f
M
A
3
7
)
4
7
.
6
/
5
.
6
(
m
e
t
s
y
s
2
K
/
D
n
o
t
i
e
w
Z
e
l
b
a
n
E
4
7
)
4
7
.
6
/
5
.
6
(
m
e
t
s
y
s
3
K
/
D
n
o
t
i
e
w
Z
e
l
b
a
n
E
8
7
t
f
e
l
ll
u
f
e
c
n
a
l
a
B
9
7
t
h
g
i
r
ll
u
f
e
c
n
a
l
a
B
7
8
t
s
e
t
s
y
e
k
l
a
c
o
L
1
9
e
d
o
m
m
o
o
z
9
:
4
1
t
e
S
3
9
e
d
o
m
m
o
o
z
9
:
6
1
t
e
S
4
9
e
d
o
m
m
o
o
z
M
O
O
Z
t
e
S
5
9
e
d
o
m
m
o
o
z
3
:
4
t
e
S
6
9
)
6
6
X
F
r
o
f
(
e
d
o
m
m
o
o
z
t
r
a
m
S
t
e
S
9
9
u
n
e
m
e
m
i
T
g
n
i
k
r
o
W
d
n
a
r
o
r
r
E
y
a
l
p
s
i
D
4-3. TEST-TEST MODE
Is available by programming the Remote Commander for operation
in Service Mode [ As shown on Page 27 ] then pressing the VIDEO
button twice, OSD 'TT' appears. The functions describe below are
available by selectingthe two numbers. To release 'Test Test Mode',
press 00, or switch the TV into Stand-by mode.
- 30 -
5-1. BLOCK DIAGRAMS (1)
H1 ( )
USER KEY, SIRCS
SIRCS
IC4401
IR/RECEIVER
OUT
VCC
S4402 - S4406
STBY 5V
KEY 2
KEY 1
CN4404
4
5
2
3
TO A BOARD
CN0001
H2 ( )
LED INDICATORS
+7V
CN4401
LAMP LED
STBY LED
Q4407
Q4401
Q4404
Q4402
Q4403
Q4403
R
G
D4402
Q4405
Q4406
Q4406
R
G
D4405
4
6
3
1
S4401
4
5
D4401
7
POW ON
TO A BOARD
CN0001
SW+
SW+
5
4
CN4402
TO G BOARD
CN1607 AND CN1615
T ( )
LAMP
COVER
SWITCH
LAMP COV
GND
3
1
CN1000
S1000
TO A BOARD
CN2301
VIDEO
HEADPHONES
R
L
HEADPHONE R OUT
CN4302
1
J4302
1
2
4
3
J4301
H3( )
AV INPUT
HP OUT
4
7
5
1
3
HEADPHONE SW
V2-L
V2-R
V2-Y
V2-C
HEADPHONE L OUT
3
V2-V
9
CN4303
TO J BOARD
CN3800
A ( )
TUNER,AUDIO,
REGULATORS
TUNER
TU1100
X2000
72
71
SCL
SDA
FM/AM
OSS
CN2301
HP-L-OUT
HP-R-OUT
1
3
IC2300
HEADPHONE AMPLIFIER
6
7
24
25
2
3
60
67
IC2000
SOUND
PROCESSOR
21
27
28
LINE MUTE
SWITCH
Q2500,
Q2401
AUDIO MUTE
RESET
AUDIO
9
30
10
7
11
IC2400
AUDIO AMP WOOFER
IC2500
AUDIO AMP
1
2
4
REAR-R
REAR-L
WOOFER SP
R
L
J2200
SPEAKERS
CN2400
TO WOOFER
CN2003
TO
SPEAKERS
CN6202
AU+
AU+
AU-
AU-
1
4
3
1
2
6
7
TO G BOARD
CN1606
PS2000
PS2001
AU+
AU-
TO H3 BOARD
CN4302
3
1
3
5
CN0001
TO H1 BOARD
CN4404
SIRCS
LED
A13
A5
A18
A17
A16
A14
A15
LED
SIRCS
AUDIO MUTE
LINE MUTE
RESET AUDIO
KEY 1
KEY 2
CN5201
TO B BOARD
CN3100
A20
B32
A32
A22
A31
A30
A29
A28
A27
A26
A24
A21
A23
RED 2
BLUE 2
GREEN 2
FS1
RED 1
GREEN 1
BLUE 1
C SLAVE
CVBS SLAVE
FS2
C-MAIN
CVBS-MAIN
AV LINK
AMPLIFIER
Q2003
POWER OFF
MUTE
Q2501, Q8481
47
48
R IN
L IN
AV LINK
3
1
CN2002
TO J BOARD
CN3800
PC L
PC R
RED 2
FS2
BLUE 2
GREEN 2
FS1
RED 1
GREEN 1
BLUE 1
C SLAVE
CVBS SLAVE
C MAIN
CVBS MAIN
3
4
6
7
9
10
11
12
14
15
16
29
17
TO J BOARD
CN3804
CN5000
10
+17V
G ( )
POWER SUPPLY
5
1
T1601
3
9
8
11
12
13
14
16
15
17
9
18
8
1
2
IC1601
POWER SUPPLY
CONTROLLER
1
V SENSE
2
F/B
CT
4
RT
8
9
VC 1
OCP
3
TIMER
6
18
16
15
14
12
10
VD
VG
VG (L)
VC 2
VS
VB
PH1601
PHOTOCOUPLER
T1603
1
3
IC1602
0VP
TO A BOARD
CN6202
7
6
CN1606
AU -15V
-DC
+DC
D1607
4
3
1
4
2
T1605
CN1601
D1608,
D1612,
D1635,
D1612,
D1635,
D1636
3
MOSFET
TRANSISTOR
USED BY
SWITCHING
CIRCUIT Q1606
MOSFET
TRANSISTOR
USED BY
SWITCHING
CIRCUIT Q1607
1
2
4
3
BARRIER
DIODE
D1623
AU +15V
2
1
NO MATE
+33V
+11V
+5V
D1626
+4.5V
D1624
D1625
PS1602
AU +15V
AU -15V
AU GND
AU GND
AU GND
+15V
-15V
PS1601
3
4
5
3
1
CN1602
RELAY
RY1601
MAIN RECT
D1602
F1601
1
3
4
1
3
1
2
1
CN1616
CN1615
CN1614
BIMETAL
MAIN SW
AC
AC
AC
AC
MAIN SW
BIMETAL
5
6
POWER
CONTROL
CIRCUIT
Q1603
Q1604
Q1605
Q1604
Q1605
D1601
CONVERTER
AND
PROTECT
Q1601
Q1602
Q1602
4
6
D1614
IC1603
0VP
SUB -7V
1
3
Q1608
POWER-CTL
AC DET
CN1605
TO A BOARD
CN6206
TO H2 BOARD
CN4402
PFC
TO A BOARD
CN6900
(POWER SUPPLY
BLOCK)
- 31 -
5-1. BLOCK DIAGRAMS (2)
KEY 2
IR-DATA
LUMISPONDER
EPG MODE
OCP-OVP
OCP-FLAG
MAIN-SW
DG SW
KEY 1
SIRCS
HV PROT
LED
LINE MUTE
AUDIO RESET
AGC DEFEAT
AV LINK
CSEL
N/U
N-RESET
DQP V COMP
CN3100
TO A BOARD
CN5201
BUFFER
Q5550
Y
9
1
TO C BOARD
CN3004 &
CN3007
CN3400
AUDIO MUTE
H TRAP
ROTATION
H2S
B4
B13
B12
C6
B30
B29
B28
A20
A19
A18
A17
A16
A15
B14
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
BUFFER
Q5519
BUFFER
Q5503
11
4
3
7
6
C
SCL
SDA
VS
HS
1K
B
G
R
3
5
9
CN3402
TO C BOARD
CN3004
NO MATE
19
20
21
22
23
24
25
26
29
30
31
32
33
34
35
37
48
50
51
53
2
4
5
7
8
10
11
13
15
16
17
18
47
45
44
42
38
131
130
129
126
125
124
123
120
119
118
117
114
113
112
111
110
100
99
98
97
96
95
94
89
88
87
86
85
135
134
133
132
103
104
105
106
107
62
59
15
14
BUFFER AMP
Q3812, Q3814
19
30
IC3802
CHROMA DECODER
14
SWITCH
Q3808
6
+5V
SWITCH
Q3807
2
BUFFER
Q3801
2
3
BUFFER
Q3800
4
BUFFER
Q3803
2
3
BUFFER
Q3802
FILTER
FL3801
FL3801
FILTER
FL3800
FL3800
12
BUFFER AMP
& SWITCH
Q3805, Q3806,
Q3816
37
38
1
34
39
38
28
BUFFER
Q3811
A
C
M
ONI
T
OR
C15
B31
C28
C29
IC3801
3D COMB FILTER
IC3800
COMB FILTER
MEMORY
CVBS MAIN
Y
C
1 HOP MUTE
SDA DP1
AC MONITOR
SDA DP1
X3800
X3801
V SYNC
H SYNC
CVBS/YIN
CERA
SDA
SCL
SECAM REF
VTIM
HTIM
X433/358
CKE
CKE
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR4
ADDR3
ADDR2
ADDR0
ADDR1
ADDR10
BA1
BA0
XCS
XRAS
XCAS
XWE
DQM
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
SDCK
A11
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A10
BA1
BA0
/CS
/RAS
/CAS
/WE
DQM
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ15
DQ14
DQ0
DQ13
DQ12
DQ11
DQ9
DQ8
DQ10
CLK
ADDR11
80
81
82
90
91
93
100
101
126
124
127
5
6
8
11
12
27
33
34
35
36
37
105
103
102
10
77
78
26
24
23
25
28
IC0001
MICRO CONTROLLER
P2.15
P2.14
P2.11
P2.9
P2.8
P5.3
P5.0
P5.2
P6.6
P6.5
P5.14
P3.13
P3.12
P3.8
P3.7
P3.6
P3.4
P3.3
P2.13
V SYNC
H SYNC
BLANK/
RS OUT
A14/RAS
OCP-OVP
40
39
38
30
29
22
18
17
43
48
45
49
46
47
50
67
63
72
62
56
51
66
65
59
71
64
58
57
70
55
D(0)
44
45
44
47
50
51
53
48
5
4
7
10
11
42
8
2
19
39
38
37
13
22
34
35
21
18
17
20
26
25
29
31
32
33
30
24
23
16
15
14
12
16
22
24
26
20
13
11
15
21
23
10
19
9
25
8
6
35
36
34
32
31
30
33
2
3
1
43
42
37
44
4
5
41
40
38
29
19
A(16)
A(17)
A(18)
A(19)
LOOM
/WE
IC0005
OTP EPROM
92
121
7
6
5
75
74
7
AC ON/OFF
BUFFER
Q0075
4
5
XTAL 1
109
108
VTIM
HTIM
REFCLK
RB
RT
ACO
AYO
VIN
CV/Y/INT
OCP-FLAG
EPG-MODE
SIRCS
LUMISPONDER
IR DATA
KEY 2
KEY 1
N-RESET
AGC DEFEAT
12C-DISABLE
DGC-SW
MAIN-SW
LINE MUTE
RESET-AUDIO
AUDIO MUTE
HV PROT
LED
AV-LINK
HS
VS
F-OSD
B
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(0)
A(1)
A15/CAS
P4.0/A16
P4.1/A17
P4.2/A18
P4.3/A19
XTAL 2
X0001
P2.10
1C0007
DEF 5V RESET
+5V
P3.0
P3.1
SCL33
SDA33
AC MONITOR
IC0002
SCL33
SDA33
NVM-WP
P3.15
CVBS-MAIN
CVBS 1A
B
CSSDRAM
D0
D2
D1
D3
D5
D4
D6
D8
D7
D9
D11
D10
D12
D15
D14
UDQM
CLKEN
MEMCLK
/WR
CSROM
LDQM
RD
54
D13
/WD
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
CSSD
RAM
RAM
CSSD
RAM
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
IC0003
CMOS SDRAM
CS
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ7
DQM
CLK
CKE
DQ0
/CAS
/RAS
BA0/A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A0
A1
BA1/A13
D(7)
D(7)
A(16)
A(17)
A(18)
A(19)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(0)
A(1)
A15
A14
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A0
A1
A13
A19
A18
A16
A17
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15 A-1
/E1
/G
Q7
B ( )
MICRO, 3D COMB
CN3401
R3404
R3407
R3411
R3414
1
F-OSD
CV/Y/INT
SDA
SCL
B32
CVBS MAIN
C30
SCL 3.3V
C31
SDA 3.3V
- 32 -
5-1. BLOCK DIAGRAMS (3)
C ( )
SCANRATE, BACKEND,
DIGITAL GAMMA,
LCD DRIVERS
51
IC2501
B DRIVE
CN2551
P SIG-OB
CN2601
CN2651
PSG-OG
CN3004
HS-OUT
B-SIG 01
B-SIG 02
B-SIG 03
B-SIG 04
B-SIG 05
B-SIG 06
B-SIG 07
B-SIG 09
B-SIG 10
B-SIG 11
B-SIG 08
B-SIG 12
V COM OUT
PCG
CLR
VST
VCK
ENB
HST-B
HCK1
HCK2-B
P SIG-OR
R-SIG 01
R-SIG 02
R-SIG 03
R-SIG 04
R-SIG 05
R-SIG 06
R-SIG 07
R-SIG 09
R-SIG 10
R-SIG 11
R-SIG 08
R-SIG 12
V COM OUT
PCG
CLR
VST
VCK
ENB
HST-R
HCK1-R
HCK2-R
HST-G
HCK1-G
HCK2-G
PCG
CLR
VST
VCK
ENB
G-SIG 02
G-SIG 03
G-SIG 01
G-SIG 04
G-SIG 05
G-SIG 06
G-SIG 07
G-SIG 08
G-SIG 09
G-SIG 10
G-SIG 11
G-SIG 12
V COM OUT
VS-OUT
SDA
SCL
BLK
R VIDEO
G VIDEO
B VIDEO
Q2502
Q2504
Q2504
Q2702
Q2704
Q2704
Q2602
Q2604
Q2604
1
14
13
12
11
10
8
7
6
9
4
3
31
5
28
25
24
29
17
18
19
23
1
14
13
12
11
10
8
7
6
9
4
3
31
5
28
25
24
29
17
18
19
23
1
14
13
12
11
10
8
7
6
9
4
3
31
5
28
25
24
29
17
18
19
23
2
1
4
3
6
9
7
11
B/B OSD
G/G OSD
R/R OSD
BLANKING
SCL A
SDA A
VS IN
HS IN
P SIG-OB
SIG-B6
SIG-B5
SIG-B4
SIG-B3
SIG-B2
SIG-B1
SIG-A6
SIG-A5
SIG-A4
SIG-A3
SIG-A2
SIG-A1
V COM
PCG
CLR
VST
VCK
ENB
HST
HCK2
HCK1-B
HCK1
P SIG-OR
SIG-B6
SIG-B5
SIG-B4
SIG-B3
SIG-B2
SIG-B1
SIG-A6
SIG-A5
SIG-A4
SIG-A3
SIG-A2
SIG-A1
V COM
PCG
CLR
VST
VCK
ENB
HST
HCK2
HCK1
P SIG-OG
SIG-B6
SIG-B5
SIG-B4
SIG-B3
SIG-B2
SIG-B1
SIG-A6
SIG-A5
SIG-A4
SIG-A3
SIG-A2
SIG-A1
V COM
PCG
CLR
VST
VCK
ENB
HST
HCK2
B-SIG 01
B-SIG 02
B-SIG 03
B-SIG 04
B-SIG 05
B-SIG 06
B-SIG 07
B-SIG 09
B-SIG 10
B-SIG 11
B-SIG 08
B-SIG 12
V COM OUT
49
47
45
43
41
57
35
33
31
29
27
25
53
82
81
80
79
78
77
83
76
3
4
5
8
9
60
SID OUT
84
85
D-A 1
D-A 2
D-A 3
D-A 4
D-A 5
D-A 6
D-A 7
D-A 9
MCLKX
FRP
D-A 8
SHST
SDA
D-A 0
SH OUT 1
SH OUT 2
SH OUT 3
SH OUT 4
SH OUT 5
SH OUT 6
SH OUT 7
SH OUT 9
SH OUT 0
SH OUT 1
SH OUT 8
SH OUT 2
SID OUT
SCL
PRG
51
IC2701
R DRIVE
R-SIG 01
R-SIG 02
R-SIG 03
R-SIG 04
R-SIG 05
R-SIG 06
R-SIG 07
R-SIG 09
R-SIG 10
R-SIG 11
R-SIG 08
R-SIG 12
V COM OUT
49
47
45
43
41
57
35
33
31
29
27
25
53
82
81
80
79
78
77
83
76
3
4
5
8
9
60
SID OUT
84
85
D-A 1
D-A 2
D-A 3
D-A 4
D-A 5
D-A 6
D-A 7
D-A 9
MCLKX
FRP
D-A 8
SHST
SDA
D-A 0
SH OUT 1
SH OUT 2
SH OUT 3
SH OUT 4
SH OUT 5
SH OUT 6
SH OUT 7
SH OUT 9
SH OUT 0
SH OUT 1
SH OUT 8
SH OUT 2
SID OUT
SCL
PRG
51
IC2601
G DRIVE
G-SIG 01
G-SIG 02
G-SIG 03
G-SIG 04
G-SIG 05
G-SIG 06
G-SIG 07
G-SIG 09
G-SIG 10
G-SIG 11
G-SIG 08
G-SIG 12
V COM OUT
49
47
45
43
41
57
35
33
31
29
27
25
53
82
81
80
79
78
77
83
76
3
4
5
8
9
60
SID OUT
84
85
D-A 1
D-A 2
D-A 3
D-A 4
D-A 5
D-A 6
D-A 7
D-A 9
MCLKX
FRP
D-A 8
SHST
SDA
D-A 0
SH OUT 1
SH OUT 2
SH OUT 3
SH OUT 4
SH OUT 5
SH OUT 6
SH OUT 7
SH OUT 9
SH OUT 0
SH OUT 1
SH OUT 8
SH OUT 2
SID OUT
SCL
PRG
FRP
SHST
SDA
SCL
PRG
CLK B
B9
B8
B7
B6
B5
B4
B3
B2
B0
B1
R9
R8
R7
R6
R5
R4
R3
R2
R0
R1
FRP
SHST
SDA
SCL
PRG
CLK R
G9
G8
G7
G6
G5
G4
G3
G2
G0
G1
FRP
SHST
SDA
SCL
PRG
CLK G
HCK1-B
HCK2-B
ENB
VCK
VST
HST B
PCG
CLR
18
17
16
15
14
13
12
11
4
2
3
5
6
7
8
9
A3
A1
A4
A5
A6
A2
A7
A8
Y1
Y2
Y4
Y5
Y6
Y3
Y7
ENB1
HCK2
HCK1
HST
VST1
PCG1
CLR1
VCK1
Y8
IC2006
OCTAL BUS BUFFER
HCK1-R
14
13
16
15
12
11
4
5
6
8
7
9
A4
A5
A7
A3
A6
A8
Y6
Y3
Y4
Y5
Y7
HCK2
HCK1
HST
Y8
IC2007
OCTAL BUS BUFFER
HCK1-G
HCK2-G
HST G
HCK2-R
HST R
HST
HCK1
HCK2
114
11
27
26
43
170
12
154
171
167
172
156
135
137
R OUT 6
R OUT 7
R OUT 8
R OUT 9
LCD HST
LCD HCK1
LCD HCK2
LCD VCK
LCD VST
LCD PCG
LCD ENB
LCD CLR
ENB1
HCK2
HCK1
HST
VST1
PCG1
CLR1
VCK1
68
69
64
62
58
57
75
49
32
14
47
46
13
28
174
158
175
176
142
144
126
127
125
117
R9
R8
R7
R6
R5
R4
R3
R2
R0
R1
B9
B8
B7
B6
B5
B4
B3
B2
B0
B1
G9
G8
G7
G6
G5
G4
G3
G2
G0
G1
IC3103
3D-GAMMA
22
38
25
42
41
103
102
152
151
166
9
24
77
78
71
72
85
87
79
120
119
121
13
114
107
108
4
60
51
33
1
2
19
3
36
85
G OUT 4
G OUT 5
G OUT 6
G OUT 7
G OUT 8
G OUT 9
R OUT 0
R OUT 2
R OUT 3
R OUT 4
R OUT 1
R OUT 5
G OUT 3
B OUT 1
B OUT 2
B OUT 3
B OUT 4
B OUT 5
B OUT 6
B OUT 7
B OUT 9
G OUT 0
G OUT 1
B OUT 8
G OUT 2
B OUT 0
PRG
FRPN
SCL 33
SDA 33
FRP
R OUT 6
R OUT 7
SDA
RESET
P-MUTE
G OUT 4
G OUT 5
G OUT 6
G OUT 7
R OUT 0
R OUT 2
R OUT 3
R OUT 4
R OUT 1
R OUT 5
G OUT 3
B OUT 1
B OUT 2
B OUT 3
B OUT 4
B OUT 5
B OUT 6
B OUT 7
G OUT 0
G OUT 1
G OUT 2
B OUT 0
PCLK1
SCL
V-OUT
H-OUT
PCLK1
B IN 2
B IN 3
B IN 4
B IN 5
B IN 6
B IN 7
B IN 8
B IN 9
G IN 2
G IN 3
G IN 4
G IN 5
G IN 6
G IN 7
G IN 8
G IN 9
R IN 2
R IN 3
R IN 4
R IN 5
R IN 6
R IN 7
R IN 8
R IN 9
HSYNC1
VSYNC1
R SCL
R SDA
RESET
MUTE
LCD PRG
LCD FRPX
LCD FRP
H SCL
H SDA
6
5
7
WC
SDA
SCL
1
2
3
IC3102
EEPROM
E0
E2
E1
Q3101
Q3102
Q3102
1
IC3101
RESET
RESET
WP-256K
EXT
P-MUTE
5
4
3
BUFFER
Q3105
IC3006
PORT
EXPANDER
DAC4
DAC4
DAC4
14
15
SDA
SCL
IC2009
12 C DIGITAL
TEMP SENSOR
1
2
SDA
SCL
78
80
82
96
97
73
100
102
104
106
29
67
68
70
72
G1
R1
FB2
V-PC
CS
Y-S
C-M
Y-M
C
Y
B2
G2
B1
R2
IC4000
COLOUR DECODER &
SCAN RATE CONVERTER
132
128
127
126
125
124
51
116
115
40
28
10
32
39
25
24
23
22
21
9
8
7
B IN 2
CVBS1
CVBS2
CVBS4
CVBS5
CVBS6
CVBS7
G IN 2
FLB1
R IN 1
G IN 1
B IN 1
FBL2
R IN 2
C2
C3
C4
C5
C6
RESET
SCL 33
SDA 33
C7
C1
YUV 0
YUV 1
YUV 2
YUV 3
YUV 4
YUV 5
YUV 6
YUV 7
CLK
C0
VS
HS
DB OUT 7
RESET
SCL
SDA
DB OUT 6
DB OUT 5
DB OUT 4
DB OUT 3
DB OUT 2
DB OUT 1
DB OUT 0
CLK OUT
DG OUT 7
DG OUT 6
DG OUT 5
DG OUT 4
DG OUT 3
DG OUT 2
DG OUT 1
DG OUT 0
V OUT
H OUT
BUFFERS AND
AMPLIFIERS
Q4009 Q4010
Q4011 Q4012
Q4016 Q4017
Q4011 Q4012
Q4016 Q4017
EXT
FB1
H PC
H-OUT
111
114
115
131
132
133
110
B1.6
B1.7
R IN 1
G IN 1
B IN 1
93
94
95
98
99
100
90
101
102
103
106
107
108
109
80
72
77
82
83
84
85
88
89
IC3004
DISPLAY PROCESSOR
AND SCALER
27
73
74
2
141
23
28
29
30
31
34
35
26
36
37
4
7
10
11
22
8
9
12
13
14
15
16
17
18
19
G1.2
G1.3
G1.4
G1.5
G1.6
G1.7
B1.0
B1.2
B1.3
B1.4
B1.1
B1.5
G1.1
PCLK1
OSD-H
OSD-V
R1.0
R1.1
R1.2
R1.3
R1.5
R1.6
R1.7
R1.4
G1.0
VS-OUT
HS-OUT
C3
C4
C5
C6
C7
SDA 33
H-PC
MS-H-IN
SCL 33
V-PC
C2
YUV 1
YUV 2
YUV 3
YUV 4
YUV 5
YUV 6
YUV 7
CLK
C0
C1
YUV 0
VS
H-IN
V-IN
Y IN 0
Y IN 1
Y IN 2
Y IN 3
Y IN 4
Y IN 5
Y IN 6
Y IN 7
ITUCLK-IN
C IN 0
C IN 1
C IN 2
C IN 3
C IN 4
C IN 5
C IN 6
C IN 7
SCL
SDA
H-IN 2
V-IN 2
V OUT
H OUT
CLKF-IN
X IN
X OUT
RESET
FBL1
136
137
138
V-OUT
R-OUT 0
R-OUT 1
R-OUT 2
R-OUT 3
R-OUT 4
R-OUT 5
R-OUT 6
R-OUT 7
G-OUT 0
G-OUT 1
G-OUT 2
G-OUT 3
G-OUT 4
G-OUT 5
G-OUT 6
G-OUT 7
B-OUT 0
B-OUT 1
B-OUT 2
B-OUT 3
B-OUT 4
B-OUT 5
B-OUT 6
B-OUT 7
R-VIDEO
G-VIDEO
B-VIDEO
R-OUT
G-OUT
B-OUT
1
IC3007
VOLTAGE
DETECTOR
VSP RESET
X3001
BLK
HS
CLK-MS
R IN 2
G IN 2
B IN 2
15
4
14
7
IC4003
ANALOGUE
MUX/DEMUX
6
5
BUFFER
Q4007
BUFFER
Q4008
BUFFER
Q4009
G
R
B
G OUT
R OUT
B OUT
9
10
11
BUFFER
Q4003
BUFFER
Q4004
G
R
B
B OSD CLP
G OSD CLP
BUFFER
Q4005
R OSD CLP
Q4013
Q4014
Q4015
6
6
6
5V
B VIDEO
G VIDEO
R VIDEO
Q4000
Q4001
Q4002
R-CLP
B-CLP
G-CLP
5V
G-PC
CN3009
CN3005
CN3006
CN3007
B-PC
R-PC
V-PC
H-PC
G2
B2
Y-M
C-M
Y-S
C-S
FB2
FB1
R1
G1
B1
R2
Y
C
2
4
10
12
6
8
2
4
10
12
6
8
2
4
7
9
1
5
3
TO J BOARD
CN3809
TO J BOARD
CN3806 AND
CN3806 AND
CN3807
TO J BOARD
CN3805
TO B BOARD
CN3401
V-PC
H-PC
RESET
3D GAMMA
PCLK1
TO B BOARD
CN3400
GREEN DRIVE
RED DRIVE
BLUE DRIVE
Click on the first or last page to see other KF-42SX300 / KF-42SX300K / KF-42SX300U service manuals if exist.