Sony KD-32DX100U Service Manual ▷ View online
- 29 -
5-1.
BLOCK DIA
GRAMS (1)
RI
GHT
S
P
A 1/3
(
)
PIC/SOU
N
D
C
N
2
000
1
15
IC1
0
0
8
I/O EXPANDER
OC
P
T
O
G
BO
ARD
C
N
6
006
12
13
OVP
C
N
1
602
MAIN RY
T
O
G
BO
ARD
C
N
6
008
1
2
DGC RY
C
N
1
703
KEY 2/SCL 3.3
TO
FR
O
N
T
CONT
R
O
L
(3 P
IN
)
1
3
KEY 1/SDA 3.3
HM(2)
HM(1)
C
N
1
706
KEY 2/SCL 3.3
1
3
KEY 1/SDA 3.3
HM(2)
HM(1)
5
SIRCS/AV INT
HM(4)
6
RESP LED/RESET
HM(3)
7
AV LINK
C
N
1
702
SIRC
S
TO H
6
B
O
A
R
D
C
N
7100
(KD-32D
X
100)
TO H
2
B
O
A
R
D
C
N
7150
(KD-32NS100/3
2
N
X
100)
3
4
LED
HM(3)
HM(4)
C
N
7
107
H
EAD
PH
O
N
E R
O
U
T
T
O
H3
BO
ARD
C
N
7
104
1
3
H
E
AD
PH
O
N
E L
O
U
T
HP L
HP
R
C
N
7
108
AV4
C
H
R
O
M
A
IN
T
O
H1
BO
ARD
C
N
7
103
1
3
AV4 LUMINANCE IN
AV4
Y
AV4 C
AV4 LEFT IN
5
AV4
L
AV4 RIGHT IN
7
AV4 R
C
N
1
701
H
EAD
PH
O
N
E R
O
U
T
T
O
H5
BO
ARD
C
N
7
103
1
3
H
E
AD
PH
O
N
E L
O
U
T
HP L
HP
R
5
AV4 C
7
AV4 LEFT IN
9
AV4
L
AV4 RIGHT IN
11
AV4 R
AV4
C
H
R
O
M
A
IN
AV4 LUMINANCE IN
AV4
Y
C
N
1
000
KEY 2
T
O
M
3
BO
ARD
C
N
9
501
4
5
C
P
U
BU
SY IN
HM (1)
6
HM (2)
7
RESP LED
8
HM (3)
AV LINK
9
KEY 1
INT COL
10
HM (4)
SIRC
S
13
SDA 0
AU
D
IO
R
ESET
15
C
K
TEXT VID
EO
17
RESET 100
19
TXTBLK
21
TC LED
22
TXTB
23
BL
K M
B
TXTG
25
PR
O
T
26
TXTR
27
SCL DIG
29
SD
A D
IG
31
VP 100
33
HP 100
35
A
UDI
O M
U
T
E
39
B MB
G MB
R MB
SDA 1
SC
L
1
SDA 1
SCL 1
D
1
008
C
N
1
999
SCL
T
O
SERVI
CE
2
3
SDA
D
1
009
Q
1
010
Q
1
009
+9
V
OV
P
R
OT
S
C
L
14
SDA
3
10
PORT 2
O
C
P
R
O
T
4
9
D
G
CRY
GND A
UDI
O P
R
OT
5
7
P
W
R
N
R
ESET
CN12
0
3
L
E
FT SP
1
1
3
CN12
0
1
CN12
0
2
1
WO
O
F
ER
SP
TO SPEAKER
TO
SUBWOOF
E
R
V PULSE IN
FBLK
3
5
CN10
0
1
T
O
J
BO
ARD
C
N
8
805
Y MAIN IN
7
U MAIN IN
9
V MAIN IN
10
SU
B C
13
SUB Y
14
D
C
VBS O
U
T
16
AV4 C OUT
17
ATV C
V
O
U
T
18
AV4 Y OUT
19
AV LINK
21
SDA
23
SCL
24
SDA 1
25
SC
L
1
26
HP MUTE
31
CVBS TXT
11
HP A IN
33
HP L IN
34
AV4 R OUT
35
AV4 L OUT
36
DT
V
R
OUT
39
DTV L OUT
40
TV R
O
U
T
41
TV L OUT
42
ATV R
O
U
T
43
ATV L OUT
44
MAIN R IN
45
M
A
IN
L
IN
46
AG
C
M
O
N
QSS
49
AM
50
H
P
100
IN
V
P
100
IN
11
12
CN71
0
9
T
O
B4
BO
ARD
CN
5
0
2
Y
100
IN
14
U
100
IN
16
V
100
IN
18
DP
IC
20
R
ESET 1
0
0
22
SCL
23
SDA
24
VP SU
B
O
U
T/Y SU
B
31
V SU
B
O
U
T/C
SU
B
34
U
SU
B O
U
T/IN
T C
O
L
36
Y SU
B O
U
T/FB
38
Y MAIN OUT/B
42
U M
A
IN
OUT
/G
44
V M
A
IN
O
U
T/R
46
VP L
SE
M
/Y M
48
CN16
0
4
T
O
G
1
BO
ARD
C
N
4
602
10
AC
TIVE PWR
AV4 C
AV4 Y
HP
R
HP L
AV4 R
AV4 L
DT
V
R
MAIN Y
MAIN U
MAIN V
V PULSE
N
R
ESET
S
C
L
T
V
SDA TV
EMM ISO
D
1
003
OVP
A
G
C DE
F
D
1
004
AV PR
O
T
OC
P
Q
1
003
LE
FT SP
RIGHT
SP
WOO
FER
SP
1
10
IC1
2
0
1
AUDI
O
AM
PL
IF
IE
R
WOOF
E
R
OUTP
U
T
STBY/MUTE
9
INPU
T
WO
O
F
ER
SP
WOOF
E
R
1
9
IC1
2
0
2
AUDI
O
AM
PL
IF
IE
R
L
E
F
T
AND RI
G
H
T
OUT
S
STBY
3
OUT
C
RI
GHT
S
P
L
E
FT SP
14
STBY
13
6
IN S+
MUTE
8
IN C+
RIG
H
T
LEFT
11
MUTE
D
1
205
D
1
203
D
1
204
T
U
1001
M
A
IN
T
UNER
AG
C
SCL
SDA
QS
FM/
A
M
VIDE
O
SWITC
H
Q1
2
0
7
+1
1
V
+1
1
V
T
O
SHEET
3
T
O
SHEET
2
T
O
SHEET
3
T
O
SHEET
2
V PULSE
MAIN Y
MAIN U
MAIN V
CV TEXT
DTV L
TV R
TV L
ATV R
ATV L
MAIN R
MAIN L
V SYNC 100
H SYNC 100
Y 100
U 100
V 100
SWITC
H
48
DCV
B
S
I2
C BUS
SW
I2
C BUS
SW
AV MUTE
H SYNC 100
V
S
Y
NC
1
0
0
- 30 -
5-1.
BLOCK DIA
GRAMS (2)
C
N
1
803
VM
T
O
VM
BO
ARD
CN56
0
2
1
4
QP
-
C
N
1
804
Q
1
809
+1
2
V
4
11
IC
1
803
D/
A CO
NVERT
ER
9
D
Q
P AC
M
O
D
HC DC
12
7
5
8
10
D
1
814
R OUT
T
O
C BO
ARD
CN54
0
0
1
3
G OUT
B O
U
T
5
8
IK
C
N
1
805
D
F
PAR
A
T
O
D BO
ARD
CN86
2
0
1
2
MP PARA
3
E/W
4
H
C
PAR
A
5
H DRI
V
E
6
AFC PULSE
ABL
7
X-R
A
Y
8
Z
OOM
COM
P
10
C
N
1
901
VM
TO
R
O
T C
O
IL
1
3
QP
-
C
N
1
902
CY +
TO
C
Y
1
3
CY
-
C
N
1
807
PR
E R
G
B
T
O
D BO
ARD
CN88
1
0
1
2
DF
DRI
V
E
3
H CE
NT
RE
3
20
H CE
NT
RE
D
Q
P V PAR
ABO
L
A
AC
AM
P
SET L
E
VEL
SCL
21
SDA
D
F
FO
C
U
S PH
ASE
MP DC
DQP DC LEVEL
D
Q
P VD
C
M
O
D
HC P
A
R
A
MP PARA
2
IC
1
809
CO
NVERG
ENCE AM
PL
IF
IE
R
3
6
17
5
IC
1
806
DYNAM
IC
CO
NVERG
ENCE CO
NT
RO
L
16
6
10
2
3
SCL
SDA
AFC PULSE
ABL
2
IC
1
804
Q
P
CO
NT
RO
L
3
1
D
1
814
DQP
V
DC M
O
D
1
IC
1
808
Q
P
CO
NT
RO
L
5
2
DQP DC LEVEL
2
IC
1
811
QP
OU
T
P
U
T
A
M
P
L
IF
IE
R
4
7
6
1
AC AMP SET LEVEL
2
IC1
8
0
5
6
5
D
Q
P AC
M
O
D
D18
0
3
D
Q
P V PAR
ABO
L
A
1
IC1
8
0
1
DF
, DQ
P
PHASE CO
NT
RO
L
6
7
3
5
DF
DRI
V
E
DF
F
O
CUS
P
H
A
S
E
D
1
802
D
1
801
+5
V
D
1
811
25
IC1
4
0
2
BACKEND BL
O
C
K RESPO
NSI
BI
L
IT
Y
20
SDA
Y IN
26
21
SCL
CB IN
27
22
SCP
CR I
N
28
15
HS IN
VM MOD
34
14
HPR
O
T
VM OUT
35
12
VPR
O
T
DP
OT
OF
F
39
60
HP IN
PR
E R
G
B
40
64
H DRV
R OUT
43
63
H
C
PAR
A
G OUT
45
62
MP PARA
B O
U
T
46
58
D
F
PAR
A
IK IN
47
52
E
W
DRV
V
DRV
-
51
37
VSAW 1
VC
O
M
P IN
53
36
V DRV+
HCOM
P
I
N
56
42
ABL IN
VS IN
Y
100
U
100
V
100
DP
IC
PR
E R
G
B
Q
1
405
SWITC
H
Z
OOM
COM
P
D
1
403
+9
V
X-R
AY PR
O
T
AFC PULSE
H DRI
V
E
SIGN17
3
6
EW
ABL
V-
V SYN
C
1
0
0
H SYNC 100
D14
0
1
2
IC1
4
0
1
BACKEND BLOCK
RESPONSIBILI
T
Y
IC1
9
0
5
R
O
TA
TI
O
N
(N
/S
)
6
5
RO
T
-
RO
T
+
IC1
8
0
2
PARABO
L
A
AM
PL
IF
IE
R
5
1
3
D
F
PAR
A
IC1
7
0
1
V
E
R
TI
C
A
L D
E
FLE
C
T
IO
N
OUT
P
U
T
5
7
Q
1
701
AMP
V+
2
69
SDA
IF IN 2
3
67
SCL
IF IN 1
21
60
PO
WER
O
N
R
ESET
MO
N
O
I
N
(
A
M)
33
57
S
C
2
O
U
T
R
S
C1
IN
R
34
56
SC 2 OUT L
S
C1 IN L
36
54
S
C
1
O
U
T
R
S
C2
IN
R
37
53
SC1 OUT L
SC2 IN L
30
S
U
B
W
OOF
E
R
OUT
IC1
2
3
1
AUDI
O
AL
EX
AM
MAIN R
MA
IN
L
DT
V
R
DTV L
ATV L
ATV R
TV L
TV R
AU
D
IO
R
ESET
IC1
2
7
0
OU
T
P
U
T
A
M
P
1
3
7
8
A
UDI
O W
OOF
E
R
AUDIO LEFT
A
UDI
O RI
GHT
F
L
1270
4
1
QSS
3
T
O
SHEET
3
T
O
SHEET
1
A 2/3
(
)
PIC/SOU
N
D
QP
OU
T
P
U
T
SWI
T
CHI
NG
F
E
T
- 31 -
5-1.
BLOCK DIA
GRAMS (3)
A 3/3
(
)
PIC/SOU
N
D
D 6
D 7
2
3
CN40
0
1
T
O
N1
BO
ARD
CN90
0
0
D 5
4
D 4
5
D 3
6
D 1
8
D 0
9
V SYN
C
12
H
SYN
C
13
D 2
7
LEFT
RIG
H
T
A1
B1
CN40
0
0
T
O
N BO
ARD
CVBS
A4
D 0
B9
D 1
C9
D 2
B1
0
D 3
C10
D 4
B1
1
D 5
C11
D 6
B1
2
D 7
C12
H
SYN
C
B1
3
V SYN
C
C13
SCL (TV)
A2
2
SD
A (TV)
B2
2
PTEN
A2
4
FE RESET
A2
5
Q
4
000
3
13
IC4
0
0
5
IC
2
BUS
SW
N SCL (TV)
CONTRO
L
S
W
1
N
SD
A (TV)
T
O
SHEET
2
SWITC
H
DT
V
R
DTV L
DCV
B
S
FE LOCK
B2
5
SC
L
(N
)
A2
6
SD
A (N
)
B2
6
N
R
ESET
C26
PTCLK
A2
8
PTSY
N
C
B2
8
TS 6
A2
9
TS 7
B2
9
LNBP
W
R
C29
TS 4
A3
0
TS 5
B3
0
LNBOVL
C30
TS 2
A3
1
TS 3
B3
1
TS 0
A3
2
TS 1
B3
2
22KHZ TONE
C32
22K TONE
SDA N3V
SCL N3V
5
CONTRO
L
S
W
Q
4
124
SWITC
H
EMM ISO
8
6
IC4
0
0
1
REAL
T
IM
E
CL
O
C
K
VD
D
S
CL
3
RESET
5
SDA
SCL TV
SDA TV
T
O
SHEET
1
Q
4
004
Q
4
003
13
12
IC4
0
0
0
DI
G
IT
A
L
T
UNER
CONT
A
C
ONT
D
2
O/PA
11
I/PD
3
10
0/
P
B
O/P
D
5
CONT
B
9
O/
P
O
6
8
C
O
N
T
C
I/PO
Q
4
001
SWITC
H
P 3
SCL N5V
SCL PLL
SDA PLL
SDA N5V
SCL N5V
SDA N5V
SCL N3V
SDA N3V
IC
4
004
DI
G
IT
A
L
T
UNER
5
EN
9
LNB
LNBOVL
22K TONE
9
IC
4
014
AG
C A/
D CO
NVERT
ER
SDA
10
SCL
1
AG
C
I
N
SDA N5V
SCL N5V
7
ENT
SWITC
H
Q
4
0
17,
4018
LNBP
W
R
SWITC
H
Q
4
002
FE LOCK
T
U
4000
A
G
C M
O
NI
T
O
R
SC
L
PL
L
SD
A PL
L
S
DA
SCL
TS 0
DATA
0
TS 1
TS 2
TS 3
TS 4
TS 5
TS 6
TS 7
PTCLK
PTSY
N
C
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
CLK
SYN
C
SCL N3V
SCL
SDA N3V
SDA
FE RESET
RES
FE LOCK
FEL
P3
PORT 1
PTEN
D
E
N
+5
V
+3.
3
V
I2
C BUS L
EVEL
CO
NVERT
ER
I2
C BUS L
EVEL
CO
NVERT
ER
P
ICT
URE
T
U
B
E
C
N
5
400
R
G
T
O
D BO
ARD
H
V
(T6804)
R
G
B
HV
1
3
5
8
IK
B
5
IK
9
VDF
3
VI
1
VB
STANBY SW
Q535
1
VOLTAGE DET
Q5375,
5376
+1
2
V
8
VO
IC53
5
0
V
IDE
O OUT
(
B
L
U
E
)
5
IK
9
VDF
3
VI
1
VB
8
VO
IC53
2
5
VID
EO
O
U
T
(G
R
EEN
)
5
IK
9
VDF
3
VI
1
VB
8
VO
IC53
0
0
V
IDE
O OUT
(
R
E
D
)
STANBY SW
Q532
5
STANBY SW
Q530
0
POWER ON SWITCH
Q535
0
+1
2
V
8
9
10
TO
D
BO
AR
D
F
V
(
T
6804)
G4
H1
5
H1
5
CN56
3
4
T
O
D BO
ARD
CN86
1
4
FV
J53
7
5
C
(
)
CRT
DRI
VE
VM
AM
P
Q5400,
5401
VM BUFFER
Q5402,5
403,
5404,
5405
VM OUT
Q5406,
5407
VM IN
C
N
5
444
Q.P -
Q.P +
QP
-
VM
TO
A BOARD
CN18
0
3
5
4
Q.P -
Q.P +
1
2
3
4
7
8
QP+
C
N
5
602
VM
(
)
VEL
O
C
IT
Y M
O
DUL
AT
IO
N
NECK
ASS
Y
1
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