Sony KDL-20B4050 Service Manual page 37

Flat panel color tv
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A
B
C
B1.-SE2
1
2
C3002
XX
3
C3003
CN3000
XX
21P
RIGHT OUT
RIGHT IN
R3006
LEFT OUT
GND
1/10W
GND
CHIP
LEFT IN
BLUE IN
MODE
GND
4
NC
R3007
GREEN IN
NC
GND
GND
RED IN
BLANKING
R3008
GND
GND
1/10W
VIDEO OUT
VIDEO IN
GND
R3009
5
AV1
1/10W
R3000
0
R3010
1/10W
FB3000
XX
CHIP
6
R3011
1/10W
CHIP
SCART1
7
LATERAL A/V CONNECTOR
S
JL3004
3
4
R3012
VD3000
8
1
2
1/10W
RN-CP
GND_1
GND_1
GND_1
C3006
1608
X7R
16V
V
0 . 4 7
NC
NC
JL3001
R3013
VD3001
1/10W
GND_1
RN-CP
9
GND_1
L
JL3002
R3001
C3004
0
100p
50V
CHIP
CH
R
1608
1608
J3000
C3005
10
100p
50V
CH
1608
GND_1
COMPONENTS MARKED AS XX REFER TO PARTS LIST, WILL ONLY BE LISTED IF FITTED
11
D
E
F
B1
11/13
R3002
C3007
R3019
R3032
C3023
330
0 . 0 2 2
220
470k
22
25V
1/10W
1/10W
1/10W
16V
RN-CP
B
RN-CP
RN-CP
1608
R3003
C3008
R3020
C3019
R3033
1000p
0
1
1k
470k
50V
1/10W
CHIP
1/10W
16V
CHIP
CH
RN-CP
X7R
1608
1608
R3004
C3009
R3021
R3034
C3024
330
0 . 0 2 2
220
470k
25V
16V
RN-CP
1/10W
1/10W
B
22
1/10W
RN-CP
RN-CP
1608
JL3011
R3022
R3005
C3010
R3035
0
C3020
1000p
1k
470k
1
50V
CHIP
1/10W
1/10W
16V
CH
CHIP
1608
RN-CP
X7R
1608
JL3012
R3023
D3004
75
100
C3015
1/10W
PZU9.1B2
XX
CHIP
JL3013
R3024
220
D3005
1/10W
XX
CHIP
PZU13.B2
JL3014
R3025
100
C3016
D3006
1/10W
XX
75
PZU9.1B2
CHIP
CHIP
JL3015
R3026
D3007
100
C3017
1/10W
75
PZU9.1B2
XX
CHIP
CHIP
JL3016
R3027
100
C3018
75
1/10W
XX
D3008
CHIP
PZU9.1B2
R3028
75
Q3000
1/10W
D3009
ISA1235AC1TP-1EF
CHIP
PZU5.6B2
JL3010
CVBS_SCART1
R3029
D3010
75
100
Q3001
PZU9.1B2
1/10W
2SC2412K-T-146-QR
CHIP
R3040
150
1/10W
RN-CP
C3011
R3038
D3011
75
2 . 2
100
16V
1/10W
PZU10.B2
F
RN-CP
2012
JL3005
GND_1
GND_1
Y_FRONT
R3039
R3016
C3012
0
150
150
2 . 2
D3012
CHIP
1/10W
16V
PZU10.B2
RN-CP
F
2012
GND_1
GND_1
GND_1
JL3008
R3036
R3017
R3030
C3021
C3013
470k
1k
0
1
D3013
1000p
CHIP
1/10W
16V
1/10W
50V
PZU9.1B2
RN-CP
X7R
RN-CP
CH
1608
1608
GND_1
GND_1
GND_1
JL3009
C3014
R3031
R3018
C3022
R3037
0
1k
1000p
1
470k
D3014
CHIP
1/10W
50V
16V
1/10W
RN-CP
CH
X7R
PZU9.1B2
RN-CP
1608
1608
GND_1
GND_1
GND_1
G
H
I
JL3018
ANALOG_RF_R
D3015
PZU9.1B2
JL3019
SCART1_R
D3016
PZU9.1B2
RIGHT OUT
RIGHT IN
JL3020
LEFT OUT
ANALOG_RF_L
D3017
PZU9.1B2
JL3021
SCART1_L
GREEN IN
D3018
PZU9.1B2
BLUE_SCART1
BLANKING
VIDEO OUT
VIDEO IN
MODE1
GREEN_SCART1
RED_SCART1
FB_SCART1
8.5V_MAIN
R3043
C3028
R3041
39k
1608
470
RN-CP
X7R
1/10W
1/10W
25V
RN-CP
0 . 1
JL3027
CVBS_LAST_RF
C3027
10
6.3V
R3042
R3044
X6S
150
10k
2012
1/10W
1/10W
RN-CP
RN-CP
DVI/PC AUDIO INPUT
C_FRONT
JL3025
PC_R
R3051
R3047
C3033
C3029
0
470k
1000p
D3019
1
JL3026
PC_L
R3052
C3034
C3030
R3048
0
1000p
470k
D3020
1
FRONT_L
L
C3031
R3049
R3045
C3025
0
1000p
XX
1k
R
FRONT_R
R3050
R3046
C3032
0
C3026
1k
1000p
XX
J3002
~ B1 Board Schematic Diagram [ Main Microcontroller, HDMI/AV Side/PC Input, Audio Processor, Scarts ] Page 11/13 ~
- 30 -
J
K
L
R3069
C3048
0 . 0 2 2
330
C3049
C3044
R3070
1000p
XX
1k
CN3002
R3071
C3050
0 . 0 2 2
330
GND
GND
LEFT IN
BLUE IN
R3072
C3051
C3045
1000p
XX
1k
MODE
GND
AV LINK
NC
GND
D3025
GND
RED IN
GND
GND
R3063
75
D3026
GND
AV2
R3062
R3064
0
XX
D3032
R3065
FB3002
75
XX
D3027
R3066
75
D3028
R3067
75
D3029
R3090
75
D3030
R3091
R3068
100
75
D3031
Q3002
R3104
SCART2
150
COMPONENT INPUT
Y_HD
D3035
R3073
RN-CP
PZU5.6B2
1/10W
100
R3059
C3037
R3074
1k
XX
RN-CP
1/10W
100
J3003
PB_HD
D3033
PZU5.6B2
R3060
C3038
R3075
1k
XX
RN-CP
1/10W
100
PR_HD
D3034
PZU5.6B2
JL3033
DVI_L
R3053
C3035
470k
D3021
1
JL3037
L_YUV
C3046
D3023
JL3034
DVI_R
PZU9.1B2
16V
X7R
R3054
C3036
JL3038
1608
470k
D3022
1
R_YUV
C3047
D3024
1
16V
PZU9.1B2
X7R
1608
M
N
O
JL3042
SELECT_OUT_R
R3080
R3095
C3056
0
470k
22
D3039
JL3043
SC2_IN_R
R3081
C3054
R3096
0
1
470k
D3040
JL3044
SELECT_OUT_L
R3082
R3097
C3057
0
470k
22
D3041
JL3045
SC2_IN_L
R3083
R3098
C3055
0
470k
1
D3042
JL3051
AV_LINK
R3084
AV_LINK
100
JL3046
BLUE_SCART2
R3085
C3058
100
XX
JL3052
MODE2
R3086
MODE2
220
JL3047
GREEN_SCART2
R3087
C3059
100
XX
JL3048
RED_SCART2
R3088
C3060
100
XX
JL3049
FB_SCART2
R3089
C3061
100
XX
JL3050
CVBS_SCART2
CVBS_SCART2
8.5V_MAIN
R3105
R3107
470
39k
Q3003
C3062
0 . 1
CVBS_SELEC
JL3053
C3063
10
R3108
R3106
10k
150
JL3039
J3004
D3036
VG
R3092
R3099
PZU5.6B2
150
150
1/10W
1/10W
CHIP
CHIP
VB
JL3040
D3037
R3100
R3093
CHIP
150
PZU5.6B2
1/10W
1/10W
VR
150
CHIP
JL3041
D3038
R3094
R3101
PZU5.6B2
150
L
CHIP
1/10W
1/10W
150
CHIP
R
R3078
C3052
R3102
R3076
1
0
1000p
470k
1k
CHIP
50V
1/10W
1/10W
RN-CP
CH
CHIP
1608
R3079
C3053
R3103
R3077
0
1000p
470k
1k
CHIP
50V
1/10W
1/10W
CH
RN-CP
CHIP
1608

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