Read Sony KDL-32XBR950 / KDL-42XBR950 Service Manual online
KDL32XBR950/KDL42XBR950 (UC) 3-1
3-1. BLOCK DIAGRAMS
3-1-1. DISPLAY UNIT (LDM-3210/4210)
SECTION 3
DIAGRAMS
61 RV6
59 LV6
62 LTV
64 RTV
15 V3
17 Y3
19 C3
16 LV3
18 RV3
21 S3
8
10
12
9
11
14
V2
Y2
C2
LV2
RV2
S2
22
24
26
23
25
28
V4
Y4
C4
LV4
RV4
S4
56
YOUT1
58
COUT1
52
54
LOUT1
ROUT1
44
Y/V OUT2
47
C OUT2
12
10
2
LV1
4
RV1
43
45
LOUT2
ROUT2
9
LV2
11 RV2
Q9415,9403
Q9406,9402
Q9416,9417
Q9404,9405
IC9400
IC8200
AV SW2
47
44
COUT2
Q8206
Q8205
56
58
COUT1
45
62 LTV
64 RTV
29 LV5
31 RV5
1
IN3-1
2
IN3-2
3
IN3-3
41 IN2-1
42 IN2-2
43 IN2-3
33 IN1-1
34 IN1-2
7
8
9
30
31
35 IN1-3
IN4-1
IN4-2
IN4-3
SCL
SDA
27
SELYOUT
26
SELCBOUT
25
SELCROUT
43
SEL_L OUT
IC8400
8
9
6
7
11
14
5
12
16
1
3
2
Q8410
Q8411
Q8412
Q8407
SW
BUFFER
BUFFER
BUFFER
IC8402
VIDEO SW
X8400
20
EXTCLK/XTAL
AV SW1
(AV SW,COMPONENT-I/F,TUNER,AUDIO AMP)
YOUT1
SEL_R OUT
A
V/YOUT2
Q8201
SCL
SDA
9V
I-MAIN_Y/CV
9V
I_MAIN_CR
2.5V
2.5V
I_SUB_C/CB
2.5V
B_12C_SDAL_5V
B_12C_SCL_5V
3.3V
3.3V
I_BINT
1.8V
1.8V
1.8V
5V
5V
2a
4b
6b
8b
10b
12b
20b
22b
25a
27a
40b
41a
42b
44b
45a
46b
48b
49a
VIDEO2
S VIDEO
VIDEO
L
R
AUDIO
AUDIO
R
L
VIDEO
S VIDEO
VIDEO1
IN
HD/DVD
D1-Y
D1-CB
D1-CR
D1-L
D1-R
D2-L
D2-R
D2-CR
D2-CB
D2-Y
1
2
3
4
1
2
3
4
J9405
J9407
J9404
J9406
J9402
3P
3P
2P
I_MICON_VP
15a
TV_TXDM-Y
TV_RXD
BOX_RST
AC_INT
+33V
+5V
+9V
+9V
A1
B1
A2
A3
B3
A4
A5
A6
CN9407
TO QM BOARD
R2
L2
V2
C2
Y2
S2-2
S_SW2
2
4
6
8
10
11
12
CN9401
D_L
D_R
1
3
CN8402
PR
PB
Y
L
R
1
3
5
7
9
CN8400
TO UD BOARD
CN7003
B
5V
D_PR
D_PB
D_Y
1
3
5
7
CN8403
TO UD BOARD
CN7003
C
COMPONENT-I/F
33
34
SCL
SDA
12C_M
SCL
SDA
3
5
18
Y1
C1
Y2
C2
33
34
SCL
SDA
SCL
SDA
12C_M
Q8200
CN8401
I_BOARD_RESET_VP
38b
I_SUB_Y/CV
43a
I-MAIN_C/CB
47a
+33V
+5V
+9V
ATSC 9V
ATSC 9V
SET 9V
SET 6.5V
ATSC 5V
ATSC 5V
1
2
5
7
9
10
CN9403
CN6002
TO G BOARD
K
D5V
A5V
33V
STBY5V
1
3
5
7
CN9404
J9401
CN6003
TO G BOARD
L
SET11V
SET11V
REG SW
MS 15V
1
2
5
6
CN9405
CN6004
TO G BOARD
J
AC_DET
P SW(-)
AC RELY
FAN PROT
iLINK STBY
MS DET
9V_OVP
FAN ON/OFF
FAN HIGH/LOW
1
2
3
4
5
7
8
9
10
CN9406
CN6005
TO G BOARD
I
BUS BUFFER
42
IC8600
OUTA
16
17
SDAT
SCLK
43
72
LIN
64
LIN
11
AOUTR
73
RIN
3
2
6
5
1
7
-
-
+
+
IC8508
IC8509
10
AOUTL
PD
13
12
11
IC8503
2
DRCK
2
3
6
MCLK
4
5
6
3
BICK
10
9
6
5
3
2
1
4
SDAT
1
SCL
SDA
62
FLIN
63
RIN
CIN
61
FRIN
OUTB
60
RLIN
28
LPF1OUT
19
20
XI
XO
X8601
14MHz
IC8805
SURRUOND
VIRTUAL DOLBY
16
OUTB
3
2
6
5
1
7
-
-
+
+
IC8806
2
3
5
6
1
7
+
+
-
-
IC8804
36
OUTA
IC8507
D/A CONV.
12
13
11
+
-
4
5
6
10
9
8
IC8504
5
SLC/SCK
6
SDA/SDOUT
30 MCK
32 LRO
31
SDI0
10
11
XI
XO
X8501
36.864Hz
Q8501
SW
SCL
SDA
25
BCKO
IC8506
11
MCK
10
LRCK
2
AINL
1
1
7
AINR
12
9
SCLK
SOTO
3
SDO0
BUFFER
IC8502
A/D CONV.
BINT
RESET_DEL
VP
RESET
STBY 5V
FAN_PWR_SW
FAN_SPEED
LINE_MUTE
WOOFER MUTE
CONTROL_S
SUR-R-OUT
SUR-L-OUT
VAR-R
VAR-L
NT-SW
MAIN-HSYNC
SUB-HSYNC
MAIN-AFT
SUB-AFT
AGC
O-SAP
I-SAP
FMONO
SDA-STBY(NC)
SCL-STBY(NC)
SDA-MAIN
SCL-MAIN
/AC_INT
TV-RXD
/BOX-RST
P-SW(-)
TV-TXD
AC_RLY_iLINK
ATSC_OVP
AC_RLY_STBY
OVP
FAN_PROT
AC_DET
STBY 5V
STBY 5V
SET 5V
SET 5V
SET 6.5V
SET 6.5V
SET 6.5V
SET 6.5V
SET 9V
11a
11b
12a
13a
13b
14b
15a
16a
17a
17b
19b
21a
22b
24a
24b
26a
26b
27a
27b
28a
28b
29a
29b
30a
30b
32a
32b
35a
35b
36a
36b
37a
37b
38a
38b
39a
39b
40a
42b
43b
44b
45b
46b
47b
48b
49a
50b
CN8001
CN4404
TO M BOARD
M
DET OUT
DE-EM OUT
TU8001(S)
AFT OUT
SCL
SDA
BUFFER
Q8000
SCL
SDA
L OUT
R OUT
DET OUT 2
F MONO
MODE
TU8002(M)
DET OUT
AFT OUT
SCL
SDA
RF AGC
BUFFER
Q8005
INVERTER
Q8002
SCL
SDA
VIDEO
AUDIO R
AUDIO L
,
SAP IND
ATSC 9V
SET 9V
SET 6.5V
ATSC 5V
16
15
22
23
25
RV3
LV3
V3
V4
LV4
RV4
13
RESET
1
2
IC9302
2.5V REG
5
1
2
IC9303
1.8V REG
5
1
2
IC9301
3.3V REG
5
+3.3V
+2.5V
+1.8V
+5V
+11V
D 5V
A 5V
33V
STBY 5V
MS 15V
SET 11V
SCL(12C-MAIN)
SDA(12C-MAIN)
SET6.5V
SET9V
SET5V
+1.8V
+5V
+2.5V
+9V
STBY5V
STBY5V
Q8809
D8809
+9V
Q8807
1
5
6
7
IC8803
3
2
1
-
+
5
6
7
-
+
IC8802
BUFFER
3
2
1
-
+
5
6
7
-
+
IC8801
BUFFER
6
5
1
-
+
2
3
7
-
+
IC8800
BUFFER
WOFFER
L
R
Q8806
MUTE
Q8803,8804
MUTE
J9403
VIDEO
AUDIO R
AUDIO L
VIDEO
VIDEO
VIDEO
AUDIO R
AUDIO L
AUDIO L/R
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AFT1
AFT2
INVERTER
Q8006
SYNC SEP
Q8003
SYNC SEP
Q8001
S_HSYNC
M_HSYNC
AMP
Q8204
BUFFER
Q8209
AMP
Q8202
BUFFER
Q8210
V1
Y1
Y1
C1
S_SW1
V1
R1
L1
C3
Y3
V3
R3
L3
S_SW3
C1
L1
R1
S_SW1
V3
Y3
C3
L3
R3
S_SW3
V2
Y2
C2
L2
R2
S_SW2
ATSCIN_L
ATSCIN_R
R2
L2
V2
C2
Y2
S_SW2
ATSC_L
ATSC_R
ATSC_L
ATSC_R
ATSCIN_R
ATSCIN_L
D5V
Y
CB
CR
Y
CB
CR
2
3
5
6
IC8510
BUFFER
13
PDN
5
BUFFER
44
COUT
56
22
23
SDA
SCL
SDA
SCL
BUFFER
BUFFER
SIRCS IN
SIRCS OUT
Q9409
Q9411
Q9410
M_HSYNC
S_HSYNC
AFT1
AFT2
7
TO H2 BOARD
CN9601
G
CN9851
TO IF BOARD
H
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