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5-1. BLOCK DIAGRAMS (4)
IC3800
CN3801
AUDIO/VIDEO SWITCH
1
RIGHT OUT
V-OUT-1S
2
2
RIGHT IN
V-OUT-2S
LAST RF
9
3
LEFT OUT
AV2 OUT
BUFFER
CVBS/Y MAIN
6
LEFT IN
11
Q3863
CVBS Y MAIN
7
BLUE IN
C-MAIN
13
C MAIN
8
MODE
SCL
AV1
14
SCL
AV1 OUT R
11
GREEN IN
SDA
SDA
15
AV1 OUT L
15
RED IN
MUTE
MUTE
17
AV3 OUT R
16
BLANKING
MODE 1
MODE 1
18
AV3 OUT L
19
VIDEO OUT
MODE 2
19
MODE 2
AV3 OUT CVBS
20
VIDEO IN
MODE 3
20
MODE 3
SPEAKER-L
23
AV2 OUT L/SPKR L
CN3802
SPEAKER-R
1
RIGHT OUT
24
AV2 OUT L/SPKR R
L-ANALOG RF
2
RIGHT IN
25
ANALOG RF-L
FRONT-L
3
LEFT OUT
26
FRONT L
SC3 IN-L
6
LEFT IN
27
AV3 IN-L
SC2 IN-L
7
BLUE IN
28
AV2 IN-L
SC1 IN-L
8
MODE
29
AV1 IN-L
AV2
AV1 IN CVBS
R-ANALOG RF
11
GREEN IN
ANALOG RF-R
32
DIGITAL RF
FRONT-R
15
RED IN
FRONT R
33
ANALOG RF
16
BLANKING
19
VIDEO OUT
20
VIDEO IN
CN3803
1
RIGHT OUT
2
RIGHT IN
3
LEFT OUT
6
LEFT IN
AV3
8
MODE
15
C IN
19
VIDEO OUT
20
VIDEO IN
CN3800
1
Y/CVBS-
5
FRONT
TO H3 BOARD
3
C-FRONT
CN4303
7
FRONT-L
9
FRONT-R
11
PCL
12
PCR
J2800
IC3801
CN3808
5
Q3859
8
12
SDA-PC
5
15
SCL-PC
6
7
14
V-PC
PC
INTERFACE
13
H-PC
1
R-PC
Q3862
2
G-PC
Q3861
3
B-PC
Q3860
BUFFER
V-OUT-3S
V-OUT-3B
AMP
Q3856
SC3-IN-R
AV3 IN R
34
BUFFER
SC2-IN-R
V-OUT-2S
V-OUT-2B
AV2 I R
35
AMP
Q3857
SC1-IN-R
AV1 IN R
36
SC1 OUT-R
38
BUFFER
V-OUT-1S
V-OUT-1B
SC1 OUT-L
AMP
39
Q3858
SC3 OUT-R
40
SC3 OUT-L
BUFFER
41
SC2-OUT-R
SPEAKER R
AMP
V-OUT-35
Q2802
43
CVBS/Y SLAVE
Y SLAVE
45
BUFFER
C SLAVE
SC2-OUT-L
SPEAKER L
AMP
C SLAVE
47
Q2803
C-FRONT
FRONT C
49
C-IN-3
CVBS DIGITAL RF
AV3 IN C
51
Y/CVBS-FRONT
FRONT Y
54
V-IN-3
AV3 IN Y
56
V-IN-2
CVBS/Y SLAVE
AV2 IN Y
58
V-IN-1
60
V-DIGITAL RF
62
V-ANALOG RF
64
9V
MUTE
SWITCH
Q2804
AC ON-OFF
R SPEAKER/HP
L SPEAKER/HP
R-ANALOG RF
CVBS/ANALOG RF
J (
)
A/V SWITCH
BLK 2
BLK 1
CVBS/Y SLAVE
5-2. CIRCUIT BOARD LOCATION
H2
VM
H1
CVM Board
H
A
D1
B
5-3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
CN3804
1
Note :
CVBS/Y MAIN
3
•
All capacitors are in µF unless otherwise noted.
C-MAIN
4
•
pF : µµF 50WV or less are not indicated except for
6
electrolytic types.
C SLAVE
7
•
Indication of resistance, which does not have one for
BLUE 1
9
rating electrical power, is as follows.
GREEN 1
10
RED 1
11
Pitch : 5mm
BLK 1 FS1
12
Electrical power rating : 1/4W
GREEN 2
14
BLUE 2
15
•
Chip resistors are 1/10W
BLK 2
16
•
All resistors are in ohms.
RED 2
17
k = 1000 ohms, M = 1000,000 ohms
L-DIGITAL RF
19
20
•
22
R-DIGITAL RF
23
•
L-ANALOG RF
25
26
•
AV LINK
29
SDA
32
•
SCL
33
35
•
All variable and adjustable resistors have
characteristic curve B, unless otherwise noted.
CN3805
FB2
2
•
All voltages are in Volts.
FB1
4
•
Readings are taken with a 10Mohm digital mutimeter.
RED 1
6
TO C BOARD
•
Readings are taken with a color bar input signal.
CN3006
GREEN 1
8
•
Voltage variations may be noted due to normal production
BLUE 1
10
tolerences.
CN3806
•
RED 2
2
GREEN 2
4
TO C BOARD
•
BLUE 2
6
CN3005
CVBS/Y MAIN
8
•
CN3807
C-MAIN
2
•
4
TO C BOARD
CN3005
C SLAVE
6
•
CN3809
V-PC
7
H-PC
9
R-PC
5
TO C BOARD
CN3009
G-PC
3
B-PC
1
- 34 -
Reference Information
H3
RESISTOR
T
C
C
N
J
S1 Board
A2
COIL
G
CAPACITOR
A1
C
D2
A
Power block
D
A Board
A
J
Note :
Note :
: nonflammable resistor.
: fusible resistor.
: internal component.
: panel designation or adjustment for repair.
: B + bus.
: B - bus.
: RF signal path.
: earth - ground.
: earth - chassis.
RN
: METAL FILM
RC
: SOLID
FPRD
: NON FLAMMABLE CARBON
FUSE
: NON FLAMMABLE FUSIBLE
RS
: NON FLAMMABLE METAL OXIDE
RB
: NON FLAMMABLE CEMENT
RW
: NON FLAMMABLE WIREWOUND
: ADJUSTMENT RESISTOR
LF-8L
: MICRO INDUCTOR
TA
: TANTALUM
PS
: STYROL
PP
: POLYPROPYLENE
PT
: MYLAR
MPS
: METALIZED POLYESTER
MPP
: METALIZED POLYPROPYLENE
ALB
: BIPOLAR
ALT
: HIGH TEMPERATURE
ALR
: HIGH RIPPLE
The components identified by shading
and marked
are critical for safety.
Replace only with the part numbers
specified in the parts list.
Les composants identifiés par une trame et
par une marque
sont d'une importance
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.
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