Block Diagram (4) - Sony KDF-E42A12U Service Manual

5-1. BLOCK DIAGRAMS (4)
CN8551
(Digital Only)
2
SCL_TV Q9607 SCL
(Digital Only)
3
SDA_TV Q9606 SDA
(Digital Only)
5
N_RST
To Sheet 1
P
7 DIGITAL_R
9 DIGITAL_L
11
DIGITAL_CVBS
FAN_PORT
AGC_DEFECT
SP_MUTE
FAN_CLT
CN9512
2
5
SCL
6
SDA
8
??
9
SP_MUTE
10 ATT
11
??
Q8507
13 AGC_DEFECT
14
15
17
FAN_PORT
18
FAN_CLT
25
26
28
??
30
30
32
Q3678
Q3880
Q3881
CN9513
2
HP_DEP
TO H3 BOARD 3 HP_L
1 R OUT R_IN 7
CN4301
4 HP_R
3 L OUT L_IN 6
J2802
CN8550
(Digital Only)
2 ALRCK
3
ABCK
4
ADD
A
JB 2/2 (
Chroma Decoder, Video Processor,
Audio Processor, AV Switch, Main Micro
IC8500
Port Expander
1 SW1
SW0 2
3 DAC4
Q9603
4 DAC3 Q9604
5 DAC2
7 DAC0
SCL
15 SCL
SDA
14 SDA
10 SW3
8 SW2 DAC1 6
IC7804
Sound Processor
78 D_CTR_I/O_0
D_CTR_I/O_1 77
Q7810
2 I2C_CL ANA_IN1+ 67
Q7811
SCL_5V
3 I2C_DA SC5_IN_R 60
SDA_5V
Q7801 13 DVSUP SC1_IN_R 57
ABCK
19 SC1_IN_L 56
I2S_CL3
ALRCK
20 I2S_WS3 SC2_IN_R 54
ADD
22 I2C_DA_IN3 SC2_IN_L 53
HDMI_R[0]
24 DACA_R SC3_IN_R 51
HDMI_L[0]
25 DACA_L SC3_IN_L 50
27 DACM_R 34
Q7802 SC2_OUT_L
Q7806
33
28 DACM_L SC2_OUT_R
C E
D
B
SCL
SDA
)
TUNER_R
TUNER_L
Q9515
Q9510
Q9514
ROUT1
LOUT1
Q9601
IC2506
Analog Switch
(YUV Input Selector)
K p3
5 15
14
J p3
12
13 Q2502
11
10
Q2504
3
9
1
4
2
Q2508
N
To Sheet 1
IC2501
Chroma Decoder
C3-IN
39 R1-IN 27
CVBS3
41 G1-IN
26
TUNER_L C2-IN
43
B1-IN 25
TUNER_R H CVBS2
44
H To Sheet 1
CR-OUT 23
CVBS-OUT
3
Q2501 CB-OUT 22
4 VS
Y-OUT Q2505
21
9 HS
SCL
13
SDA YS3
14 15
IC2500
FL2500 Logic Gate (Sync Adder)
Q2503 3 2
2 B
Y
4
1 A
G
F I J
To Sheet 1
- 33 -
IC9500 AV Switch
V1
V1 1
33 SCL
LV1
LV1 2
34 SDA
RV1
RV1
4
S2-1
S2-1 6
Q9500
V2
V2 8
LV2
LV2 9
RV2
RV2 11
S2-2
S2-2 13
V3
V3
15
LV3
LV3 16
Y3 17
RV3
RV3 18
C3 19
63 TV
S2-3 20
V4
V4 22
LV4
LV4 23
Y4
Y4 24
RV4
RV4 25
C4
C4 26
LV5
RTV
64 LV5 29
RV5
64 LTV RV5 31
60 V6
58 COUT1 LOUT3 38
56 YOUT1 ROUT3
40
VOUT3 41
LOUT2
54 ROUT1 LOUT2 43
Q9512
V/YOUT2 44
ROUT2
52 LOUT1 ROUT2 45
VOUT1 53
CIN1 51
Q2601
1 16
13 15
IC2601 14
Analog Switch
(YUV Input Selector)
4
Y
2
CB
3 5
CR
12
11
10
9
Q9511
Q9516
Q9516
IC2504
Analog Switch
(RGB Input Selector)
C p3
4
1
F p3
2
B p3
15
3
14 E p3
5
11
A p3
10 13
D p3
9 12
IC2507
Analog Switch (FB Selector)
1 6
H p3
Q2510
5
7
G p3
Q2509
2
Q2506 3
Q2513
Q2514
H H
L
K H
CN9501
1
2
3
6
8
9
11
15
15
16
20
CN9501
1
LOUT2
V2 2
ROUT2 3
LV2 6
8
RV2
10
AVLINK
?? 11
15
16
19
20
S2-2
CN3803
(Digital Only)
1
ROUT1
2
3
LOUT1
4
6
8
10
15
19
20
J9154
L
LV5
RV5 R
CN9514
C4
Y4
V4
LV4
Q
RV4 To Sheet 1
CN9505
2
HDMI_RST
R 7
8
L
CR 10
CR
12
CB CB
14
Y Y
M