Sony KD-32DX100U Service Manual page 36

5-1. BLOCK DIAGRAMS (8)
( )
J1
AV SWITCH
WITH CHROMA
CN8806
RTV (1)
1
2
RIN (2)
3 LTV (3)
6 LIN (4)
IC8810
7 BLUE IN (7)
RGB SWITCH
8
MODE 1 (1)
AV2 8 VIN2R
11 GREEN IN (2)
7 VIN2G
15 RED IN (3)
6 VIN2R V OUT R 20
16 BLK (4)
14 BLK2 V OUT G 11
20
V IN (3)
4 VIN1R V OUT B 12
3 VIN1G
RGB-SEL
2 VIN1B SEL 5
22 R OUT (9)
23
R IN (10)
24
L OUT (11)
IC8803
27
L IN (12)
DIGITAL COMB FILTER
28 BLUE AV2
CHRDMA OUT
7
AV3
29 MODE 2 (2)
LUMINANCE OUT 9
32 GREEN AV2
NTRL1 26
36
RED AV2
41 AV3 (3)
IC8806
AV SWITCH
L OUT (7)
41 (L02)AV2-L OUT
MAIN-Y OUT
43 R OUT (5) R OUT (5)
40 (R02)AV2-R OUT
MAIN-C OUT
44 R IN (6) R IN (2)
36 (R2)AV1-R
(R1)SUBTU-R
45 L OUT (7) R IN (6)
35 (R3)AV2-R
48 L IN (8) R IN (10)
33 (R5)AV4-R
AV4
50
MODE 3 L IN (4)
29 (L2)AV1L
57 AV3 (4) L IN (8)
28 (L3)AV2L RTV
61 V OUT (6) L IN (12)
(L5)AV4L (L1)SUBTU-L
26
62 V/Y IN (7) MODE 3
20 MODE 3 LTV
MODE 2 (2)
19 MODE 2 HP R OUT 3
MODE 1 (1)
18 MODE 1 HP L OUT 3
V OUT (6)
9 AV2 OUT(CV01) SDA
V IN (3)
60 AV1-V(CVIN2) SCL
V/Y IN (7)
58 AV2-V(Y1)
AV4 (1)
55 VBIAS
AV3 (3)
53 TRAP3
AV3 (4)
AV2-C(C1) TV
52
AV4 (2)
51 (C2)AV3-C SUB TV(CVIN1)
RED AV2
49 (C3)AV4-C TV OUT(AV1)
IC8809
VIDEO MULTIPLEXER
MODE 3
13 MODE 3 (3) ACVBS 2
AMP Q8823
1 DCVBS ACVBS 3
5 DCVBS SW-CV8S 4
A/D SW
12 6V PIN 8 AVICVBS 15
SWITCH Q8835
IC8801
MAIN COLOUR DECODER
27 R1
AMP Q8812
26 G1 CR OUT 23
25 B1
CG OUT 22 AMP Q8813
AMP Q8814
Y OUT 21
HS 9
VS 4
COMB C/FORCED S
7
5 COMB Y 48
45 COMB SYS 1
RTV (1)
MAIN Y
11
MAIN C
13
37
32
30
25
24 7 R IN R OUT 1
IC8101
HP OUT
23 6 L IN L OUT 3
15
14
64
62 IC8800
PORT EXPANDER
2
SDA 14
RGB-SEL
5 DA2 SCL 15
A/D SW
6 DA1 DAO 7
DIG-LR-SW
DA3 4
IC8808
SWITCH Q8832
11
10
9
DIG-LR-SW
SWITCH Q8806
15
5-2. CIRCUIT BOARD LOCATION
KV-32NX100U/KV-32NS100B
VM Board
H1 Board
M3 Board
H2 Board
F1 Board
CN8805
V MAIN IN 10
U MAIN IN 9
Y MAIN IN 7
H-PULSE IN 6
5-3. SCHEMATIC DIAGRAMS AND
V PULSE IN 5
PRINTED WIRING BOARDS
Note :
• All capacitors are in µF unless otherwise noted.
• pF : µµF 50WV or less are not indicated except for
electrolytic types.
• Indication of resistance, which does not have one for
rating electrical power, is as follows.
LTV (3)
Pitch : 5mm
Electrical power rating : 1/4W
DTV-RIN 39
• Chip resistors are 1/10W
• All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms
ATV-RIN 43
DTV-LIN 40
• : nonflammable resistor.
ATV-LIN 44
TO A BOARD
CN1001
HPR 33 • : fusible resistor.
32
HPL
• : internal component.
SDA 23
SCL 24
• : panel designation or adjustment for repair.
• All variable and adjustable resistors have
characteristic curve B, unless otherwise noted.
• All voltages are in Volts.
• Readings are taken with a 10Mohm digital mutimeter.
• Readings are taken with a color bar input signal.
• Voltage variations may be noted due to normal production
tolerences.
• : B + bus.
• : B - bus.
• : RF signal path.
D-TVR-IN
5
A-TVR-IN
3 • : earth - ground.
D-TVL-IN
2
A-TVL-IN
• : earth - chassis.
1
D-CVBS IN 16
- 36 -
KV-32DX100U
C Board
H3 Board
VM Board
H5 Board
A Board
D Board
F3 Board
N1 Board
F Board
B4 Board
N Board
J1 Board
G1 Board
G Board
Reference Information
RESISTOR RN
RC
FPRD
FUSE
RS
RB
RW
COIL LF-8L
CAPACITOR TA
PS
PP
PT
MPS
MPP
ALB
ALT
ALR
Note :
The components identified by shading
and marked
Replace only with the part numbers
specified in the parts list.
Note : Les composants identifiés par une trame et
par une marque
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.
C Board
H6 Board
A Board
M3 Board D Board
N1 Board
B4 Board
N Board
J1 Board
G1 Board
G Board
: METAL FILM
: SOLID
: NON FLAMMABLE CARBON
: NON FLAMMABLE FUSIBLE
: NON FLAMMABLE METAL OXIDE
: NON FLAMMABLE CEMENT
: NON FLAMMABLE WIREWOUND
: ADJUSTMENT RESISTOR
: MICRO INDUCTOR
: TANTALUM
: STYROL
: POLYPROPYLENE
: MYLAR
: METALIZED POLYESTER
: METALIZED POLYPROPYLENE
: BIPOLAR
: HIGH TEMPERATURE
: HIGH RIPPLE
are critical for safety.
sont dune importance