Sony KV-EF34M31 Service Manual page 65

1 2 3 4
A KV-EF34M31(OCE)/EF34M61(GE)/EF34M91(ME)ONLY
+5V
B
IC801
SAA5261
TEXT DECORDER
R807
0
R831 0 :CHIP
:CHIP
0.0 EAST /WEST
0
2.2 R830 0 :CHIP
R813 0 :CHIP
0.1 8/30
R805 R829
4.8 0
0 :CHIP
100 :CHIP
0.2 SDA
R828
4.5
2.2
100 :CHIP
C
0.3 SCL
R820
R804
2.2 4.5(4.5)[3.9] R827 0 :CHIP
0 10k :CHIP
:CHIP 1.0 LCB
R835
4.9 0
0 :CHIP
1.1 PKTX/30
4.8 R825 0 :CHIP
1.2 DSR
0
R824 0 :CHIP
1.3(PWM) LIST
1.9 0
D RES VDDM
4.7
RES RESET
1 0
RES X OUT
X801
157877421
2.5
RES X IN C818
33p
2.4
:CHIP
VSS D X GND
C815
0
100p CH:CHIP
E CL(NVM) VDDT
4.9
DA(NVM) VDDA
4.8
SL ADDR VP
0
R803 2
0
FIELD HP
:CHIP
0 1.5
R802
HMD BLK
100
:CHIP 0 0
F VMD R OUT
R801
0 0
0
:CHIP PDI G OUT
C801
2.3 0
47
16V PH.L B OUT
R800
2.3 0
10k :RN-CP
VSSA RGB REF
R822
0 2.4
100 :CHIP
CVBS PON
2.4 2.3
N.C COR
G
C806
0.1
BLACK VSSA
25V
F:CHIP 2.1
I REF ODD/EVEN
V
2.4
R821
27k
:CHIP
C805
0.1
25V
F:CHIP
H
I
J
– 107 –
5 6 7 8 9
5V
R898
4.7k
:CHIP
D802
DAP202K-T-146
Q813
2SC2712
BUFFER
R889
10k
:CHIP
MA111-TX
+7.5V
R862
R888 470
4.7k 1/2W
:CHIP
FB804
+5V
470UH
Q811
6.4
3 2SD2394
R842
+5V REG.
4.7k 1
R843
C817 0.1 25V B:CHIP D803
:CHIP 4.7k
RD3.3M-T1B2 5.4
:CHIP C832
C816
0 2
2.2 16V F:CHIP 10
C830 C831
0.1
0.7 R846 100
C822 25V 16V D804
C826 1k
0.001
4.7 F:CHIP RD5.6M-T1B2
Q803 :CHIP
C820 B:CHIP
33p
2SC2712
:CHIP
REST OUT
R844
FB803 2.2k 3.4
1.1UH
:CHIP
0
C829
R841 R853 R857
R851
68p
100 2.2k 5.6k 22k
:CHIP
:CHIP Q810 :CHIP
FB802 :CHIP :CHIP
1.1UH Q801 2SC2712
2SC2712 BUFFER
BLK OUT
Q812
R850 R858
Q805
R845 220k 5.6k
2SC2712
1k 2SC2712
:CHIP :CHIP
BUFFER
:CHIP 0 HP
0
R884
100
:CHIP
5V
R849 Q808
1k 2SC2712
R832 R839 C821 C823
:CHIP
R BUFFER
2.2k 1.5k 0.1 100
:RN-CP 25V 16V R861
:RN-CP
1k
F:CHIP 0
R
:CHIP
5V 0
FB801
1.1UH
R848 Q807
1k 2SC2712
:CHIP
G BUFFER
R882
1k
0
:CHIP G
0
R847 Q806
1k 2SC2712
:CHIP
B BUFFER
R863
1k
0 B
:CHIP
0
10 11 12 13 14
R895
R897
4.7k
10k V
:CHIP
:CHIP 1
(TELETEXT)
R896
10k
:CHIP Q818
2SC2712
BUFFER
D806
C835
C837
0.1 FB805
100
1.1UH
25V
16V
F:CHIP Q814
R866
2SC2712
10
BUFFER
2W
:RS
D807
MA111-TX
R890
22k
:CHIP
R894
10k
:CHIP
R880
470 Q817
0
:CHIP DTC114EKA
VP
4.2
R879
10k
:CHIP
CN801
7P
SB-J2908:BTOB
TO A BOARD
CN307
1 RED
2 GREEN
BLUE
3
4 BLK
5 GND
6 SDA
SCL
7
1 GND
2 VP
3 SCP
4 GND
5 GND
6
CVBS
7 7.5V
R871
330
V
:CHIP
CN803
7P
SB-J2908:BTOB
TO A BOARD
CN301
R864
470
:CHIP
B-¥SS8700<GE.>-V1
– 108 –
V1
[ TELETEXT ]
– V1 BOARD –
V1 BOARD WAVEFORMS
1 2
5.5Vp-p (15MHz) 5.0Vp-p (H)
– 109 –