Sony KP-44PX3 Service Manual page 37

7-1. BLOCK DIAGRAMS (3)
CN3100
A5 KEY 2
A6 IR-DATA
A7 LUMISPONDER
A8 EPG MODE
A9 OCP-OVP
A10 OCP-FLAG
A11 MAIN-SW
A12 DG SW
A13 KEY 1
A14 SIRCS
B14 HV PROT
A15 LED
A16 AUDIO MUTE
A17 LINE MUTE
A18 AUDIO RESET
A19 AGC DEFEAT
A20 AV LINK
B28 CSEL
B29 N/U
B30 N-RESET
B5 H-DRIVE
C5 DQP DRV
B6 N/U
C6 DQP C COMP
B7 X-RAY
C7 V SAW
C8 AFC PULSE
B9 H LIN
B10 H LIN DC
C10 MID PIN
B11 V DRV+
C11 E/W
B12 H TRAP
C12 V DRV-
B13 ROTATION
C14 DF DRIVE
TO A BOARD
B15 MID PIN DC
CN5207
B4 H SYNC
A30 C SLAVE
A31 CVBS SLAVE
A32 C MAIN
B32 CVBS MAIN
A23 BLUE 2
A24 GREEN 2
A21 RED 2
A29 BLUE 1
A28 GREEN 1
A27 RED 1
A22 FS2
A26 FS1
C31 SDA 3.3V
C30 SCL 3.3V
C15 1 HOP MUTE
B31 AC MONITOR
B 1/2 (
IC3400
BACKEND VIDEO
H TRAP R OUT
BUFFER BUFFER AMP
16 PWM3 42
Q5503 Q3400, Q3403
G OUT BUFFER AMP
43
DQP V COMP Q3401, Q3404
BUFFER
17 PWMEW4
Q5519
B OUT BUFFER AMP
44
Q3402, Q3405
H DRIVE BUFFER SENSE OUT
H OUT
23 35
Q5500, Q5521
BUFFER AMP
39 EW
Q5505, Q5507
32 VPROT
31 SAFETY
AV OUT
65 55
BUFFER
25 DFVBL AY OUT
Q5509
A 66 53
AU OUT
PWME1
22 67 50
AVSM OUT
PWM1
20 68 47
Y0 Y OUT 0
VERT-
38 75 33
Y1 Y OUT 1
37 VERT+ 76 32
Y2 Y OUT 2
18 PWMEW3 77 31
Y3 Y OUT 3
78 30
BUFFER
21 PWM2 Y4 Y OUT 4
Q5550 79 29
Y5 Y OUT 5
30 HFL13 80 26
Y6 Y OUT 6
28 HC1 1 25
Y7 Y OUT 7
60 PWM4 2 24
X3400 CLK OUT CLK OUT
11 XTAL 2 4 20
H100 H OUT
5 19
12 XTAL 1
V100 V OUT
BACKEND RESET 10 18
62 RESQ
FB-M2
FBL IN 2
50
R-M2
R IN 1 51
G-M2
G IN 1 52
B-M2
26 H SYNC B IN 1 53
IC3100
VSP94
C-S
58 CVBS7 YUV0
656100 32
Y-S
57 CVBS6 YUV1
656101 31
C-M
56 CVBS5 YUV2
656102 30
Y-M
55 CVBS4 YUV3
656103 22
B2
48 B IN 2 YUV4
656104 21
G2
G IN 2 YUV5
47
656105 16
R2
R IN 2 YUV6
46
656106 15
B1
B IN 1 YUV7
41
656107 10
G1
G IN 1 YUV CLK
40
656CLK 9
R1
39 R IN 1 H SYNC
H OUT
17
FLB2
38 FBL_2 V SYNC
V OUT
23
FLB1
37 FBL_1 656V10/ AV1
8
BLANK
69 X-OUT RESET 100
RESET
24
X3100
C
70 X-IN CVBS 2 53
Y
6 SDA CVBS 1 51
13 SCL
B
)
BACKEND/SCANRATE/
LVDS/A-INTERFACE
CN3400
R 1
G 3
TO CR BOARD
B 5 CN9003
1K 9
CN3402 TO
BUFFER AMP
VMR BOARD CN9102
VM-FRCA VM 2
Q3406, Q3410,
VMB BOARD CN9702
Q3409
VMG BOARD CN9402
IC3300
FRCA
X IN
15
X3300
XOUT
16
YUV0
78
YUV1
1
YUV2
2
YUV3
4
YUV4
5
YUV5
7
YUV6
8
YUV7
9
YUV CLK
10
H SYNC
6
V SYNC
3
AV1
11
RESET 100
23
C
- 37 -
IC0001 B 2/2 (
BACKEND/SCANRATE/
OCP-OVP
12 P2.15 LVDS/A-INTERFACE
OCP-FLAG
11 P2.14
EPG-MODE
8 P2.11
IR DATA
P2.9
6
SIRCS
P2.8
5
LUMISPONDER
P5.3 XTAL 1
127
108
KEY 2
P5.0 X0001
124
KEY 1 109
P5.2 XTAL 2
126
N-RESET
IC0007
101 P6.6
AGC DEFEAT
100 P6.5 AC ON/OFF BUFFER
P2.10
7 4
Q0075
12C-DISABLE
93 P5.14
DGC-SW
91 P3.13 AC MONITOR
MAIN-SW
90 P3.12 SCL33
P3.0 74
LINE MUTE
82 P3.8 SDA33
P3.1 75
RESET-AUDIO
81 P3.7
IC0002
AUDIO MUTE
80 P3.6 SCL33
6
HV PROT NVM-WP
P3.4 P3.15
78 92 7
SDA33
LED 5
P3.3
77
AV-LINK
P2.13 CVBS-MAIN
10
CVBS 1A 121
BACKEND RESET
A 83 P3.9
V2S
V SYNC
102
IC0003
H2S
CSSD CSSD
H SYNC
103
CSSD RAM RAM
FB-M2 BLANK/ 44 19 CS
105 RAM
RS OUT D(0) D(0)
D0 55 2 DQ0
R-M2 BUFFER
R D(1) D(1)
112
Q0003
D1 59 4 DQ1
G-M2 D(2) D(2)
BUFFER
113 G D2 65 5 DQ2
Q0002
D(3) D(3)
B-M2 D3 DQ3
BUFFER 71 7
114 B
Q0001 D(4) D(4)
D4 DQ4
70 8
A(0)
37 D(5) D(5)
D5 64 10 DQ5
A(1)
36 D(6) D(6)
D6 58 11 DQ6
A(2)
35 D(7) D(8)
D7 54 42 DQ8
A(3)
34 D(8) D(9)
D8 57 44 DQ9
A(4)
33 D(9) D(10)
D9 63 45 DQ10
A(5)
27 D(10) D(11)
D10 67 47 DQ11
A(6)
26 D(11) D(12)
D11 72 48 DQ12 BA0/A12
A(7)
D(12) D(13)
24
D12 66 50 DQ13 BA1/A13
C A(8)
D(13) D(14)
23
D13 62 51 DQ14
A(9)
25 D(14) D(15)
D14 56 53 DQ15
A(10)
28 D(15) D(7)
D15 51 13 DQ7
A(11)
29
UDQM DQM
48 39
A(12)
30
MEMCLK CLK LOOM
43 38
A(13)
38
CLKEN 45 37 CKE
A(14)
39 A14/RAS
/WD
A(15) /WR
50
40 A15/CAS
A(16) LDQM
49
22 P4.0/A16
IC0005
A(17)
OTP EPROM
19 P4.1/A17
A(18) D(7)
18 P4.2/A18 CSROM 46 25 Q7
A(19)
P4.3/A19 RD Q0
17 47 9
Q1
11
Q2
13
Q3
15
19 Q4
21 Q5
23 Q6
10 Q8
12 Q9
14 Q10
16 Q11
20 Q12
22 Q13
Q14
24
Q15 A-1
26
/E1
6
8 /G
)
+5V
5
B
A0 23
A1 24
A2 25
A3 26
A4
29
A5
30
A6 31
A7 32
A8 33
A9 34
A10 22
A11 35
20
21
/RAS 18
/CAS 17
15
/WE 16
A(0)
A0 5
A(1)
A1
4
A(2)
A2
3
A(3)
A3
2
A(4)
A4
1
A(5)
A5 44
A(6)
A6 43
A(7)
A7 42
A(8)
A8 37
A(9)
A9 36
A(10)
A10 35
A(11)
A11 34
A(12)
A12 33
A(13)
A13 32
A(14)
A14
31
A(15)
A15
30
A(16)
A16
29
A(17)
A17 41
A(18)
A18 40
A(19)
A19 38