By Board Schematic Diagram (3 Of 4) - Sony TRINITRON KV-27HS420 Service Manual

Due to the complexity of this board, performing component level fi eld repairs is not recommended. If service is required, complete board replacement is the preferred repair method.

BY BOARD SCHEMATIC DIAGRAM (3 OF 4)

Data is provided for reference only.
1 | 2 | 3 | 4 | 5 |
A
—
B
—
MID OUT
C 5V-1
5V 5V
—
D
IIC1
—
E
C2826
— 0.1
25V
F:1608
R2901
F
4.7k
1/16W
:CHIP
R2902
— 4.7k
1/16W
CN2804 :CHIP
40P
:BLK
TO AY CN510
G
GND 40
V SINE
39
GND
— 38
V PARA2
V PARA2 37
V PARA1
V PARA1 36
GND
35
M PIN
MP PARA
34
H
EW DRV
EW PARA
33
GND 32
DF PARA
DF PARA 31
2
H CENT
HC PARA 30
—
1
GND
29
V DRV-
V DRV-
28
V DRV+
V DRV+ 27
V TIM 26
I
ABL 25
GND 24
H PLS
23
GND
22
—
H PROT 21
V PROT 20
9V
19
H DRV
H DRV
18
3
J GND
17
5V 16
GND
15
JIG B 14
— PROT MUTE 13
JIG RG
12
GND 11
SCP 10
OSD H 9
K
OSD YSYM YSYM
8
OSD V
7
OSD B
OSD B
6
12V 5
—
OSD G
OSD G 4
GND
3
OSD R OSD R
2
GND
1
L
—
M
—
N
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
6 | 7 | 8 | 9 | 10 | 11 |
CN2803
6P
:S-MICRO
TO WY CN9102
C2802
0.1
25V
R2803 F:1608
R2880 4.7k
1.5k 1/16W
1/16W R2801 :CHIP
:CHIP 6.8k
C2804
1/16W
47p
R2805 :CHIP
50V
1.5k C2805
CH:CHIP
0.01
5V-2 C2806
25V
0.47
B
Q2801 10V
R2881 2SA1226 B:1608
R2808
R2804 L2811 1.5k BUFF
12k R2806
R2913 47 1/16W R2922
1/16W 3.3M
0 5V 1/16W :LB2016 :CHIP 0
:CHIP 1/16W
1/16W :CHIP 1/16W
:CHIP
:CHIP :CHIP
5V R2807
100
1/16W C2808
C2811 :CHIP 4.7
0.1 50V
25V :AL-CP
F:1608
+5V
C2809
100
R2811
16V
100
:AL-CP
R2812 1/16W
C2813
4.7k :CHIP
0.1 16V B: CHIP
1/16W
:RN-CP
C2816
0.1 16V B: CHIP
C2817
0.1
R2816
16V
100k
B: CHIP
1/16W
:CHIP
R2817
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
100
1/16W
C2818 :CHIP R2819
R2818
0.001 100
100
50V 1/16W
1/16W
B: CHIP :CHIP
:CHIP 52 SDA R_OUT
R2820
C2820 100
53 SCL R_SH
R2823 0.01 1/16W
Q2804
47k 25V :CHIP 54 SCP G_OUT
1/16W 2SD601A
B: CHIP
P.1 :CHIP R2821
55 HS_IN G_SH
R2824 100 1/16W :CHIP
100
56 VPROT B_OUT
1/16W
:CHIP
R2900 57 HPROT B_SH
IC2801
4.7k
1/16W R2825 CXA2170Q
58 VCC5H VCC_OUT
:CHIP 47k 1/16W :CHIP
C2823 59 HD_TC PRE_RGB
L2803 100 C2825
16V 1000p 50V B:1608
60 HVCOMP_IN IK_IN
:LB2016 :AL-CP
C2829
61 IREF_HV ABL_FIL
Q2822 R2826 0.0047
2SD601A 10k R2828 50V
62 AFC_FIL ABL_IN
1/16W 8.2k B: CHIP
:RN-CP 1/16W
Q2823 63 CERA VCC9
:CHIP
2SD601A
C2834 64 L2_FIL VTIM
0.47 C2833
10V 0.22
B:1608 16V C2835
B:1608 0.01
25V
X2801 R2830 B: CHIP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
2.7MHz 560
1/16W
:CHIP R2833
100
1/16W
:CHIP
C2837
100 R2842
R2835
16V 100
100 1/16W :CHIP
:AL-CP 1/16W
:CHIP
R2838
R2844
L2806 100
1/16W 2.7k
R2843
:CHIP 1/16W
:LB2016 100
:CHIP 1/16W
:CHIP
C2843 C2842
0.1 100 Q2807
16V
25V 2SD601A R2847
:AL-CP R2845
F:1608 100
100
1/16W
1/16W
H DRV :CHIP
:CHIP
R2848 R2846
2.2k
3.3k
1/16W
1/16W
:CHIP
H CENT :CHIP
M PIN
DF PARA
EW DRV R2850
100
9V V PARA2 1/16W
:CHIP
V PARA1
V DRV-
V DRV+
12 | 13 | 14 | 15 | 16 | 17
L2801
:LB2016
C2801
100
16V
:AL-CP
R2853
0
1/16W
:CHIP
R2809 R2810
2.2k 2.2k
1/16W 1/16W
:CHIP :CHIP
Q2802
2SB709A
Q2803
2SB709A
R2865
2.2k
1/16W
:CHIP
R2815
R2813 10k
10k 1/16W
R2866
1/16W :CHIP
2.2k
:CHIP
1/16W
R2868 Q2811 :CHIP
100 2SA1226
1/16W BUFF
:CHIP R2867
Q2812
R2869 2.2k
32 2SA1226
100 1/16W
C2819
1/16W BUFF :CHIP
31 0.1 16V B: CHIP
:CHIP
30 R2870
100
C2821
29 1/16W
0.1 16V B: CHIP
:CHIP
28
C2849
C2822 Q2813 0.0022
27
0.1 16V B: CHIP 2SA1226 50V
B:CHIP
26 BUFF
C2827 C2824
25 0.1 100 L2804 C2828
25V 16V 0.068 16V B:CHIP
F:1608 :AL-CP :LB2016
24
23
L2805
22
:LB2016
21 R2827
4.7k
20
1/16W
:CHIP
C2831
100
16V R2829
:AL-CP 2.2k
Q2805
C2830 1/16W
4.7 C2836 :CHIP 2SB709A
50V 0.1
:AL-CP 25V
F:1608
R2831
Q2806
2.2k
2SD601A
R2832 1/16W
100 :CHIP
1/16W
:CHIP
R2849
10k
1/16W
:CHIP
C2845
100 D2803
16V
:AL-CP MA111
R2851
330
1/16W
:CHIP
R2854
0
1/16W
:CHIP
R2920
0
1/16W
:CHIP
R2919
D2806
R2858 22k
O2CZ5.6
10k 1/16W C2847
LIMIT
1/16W 0.22
:RN-CP 16V
B:1608
R2899
22k
1/16W
:RN-CP R2860
10k
1/16W
:CHIP
Q2818
2SD601A R2861
10k
1/16W
:CHIP
| 18 | 19 | 20 | 21 | 22 |
C2851 C2850
0.1 100
25V 16V
F:1608 :AL-CP
L2807 ROUT
TP88
:LB2016
1 R DRV
4
2 GND
3 G DRV
5
4 GND
R2907
5 B DRV
68 1/16W :CHIP
BOUT 6
6 GND
TP87 7 12V
8 IK
R2908
68 1/16W :CHIP
9 GND/SABL
10 PMUTE
R2909
11 ID
68 1/16W :CHIP R2911
0
1/16W R2921 CN2805
:CHIP 0 11P
1/16W
:CHIP S-MICRO
:WHT
TO CH CN9001
P.4
R2862 ID
100
1/16W
:CHIP
PMUTE
P.1
C2844
100
16V
C2846 :AL-CP
0.1
16V
B:CHIP
ABLATT
CRT DRIVE
9-965-963-01<DA4> BY(4/5)
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
BY BOARD WAVEFORMS
23
1 2
1.5 Vp-p (V) 1.7 Vp-p (V).
3 4
2.9 Vp-p (H) 3.0 Vp-p (V)
5 6
2.3 Vp-p (V). 2.4 Vp-p (H)
77