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5-1. BLOCK DIAGRAMS (4)
CN3601 (1/2)
RIGHT OUT
IC3500
RIGHT IN
G OUT
LEFT OUT
11
LEFT IN
B OUT
12
BLUE IN
VIN 1B
2
R OUT
10
MODE
AV1
F/BCK OUT
GREEN IN
VIN 1G
13
3
RED IN
VIN 1R
4
BLANKING
BLK 1
15
VIDEO OUT
VIN 2B
6
VIDEO IN
VIN 2G
7
VIN 2R
8
BLK 2
SEL
14
5
CN3601 (2/2)
RIGHT OUT
RIGHT IN
LEFT OUT
LEFT IN
BLUE IN
MODE
AV2
GREEN IN
AMPLIFIER
RED IN
Q3405
BLANKING
BUFFER
VIDEO OUT
AMPLIFIER
AMPLIFIER
Q3402
Q3403, 3404
VIDEO IN
CN3602 (1/2)
RIGHT OUT
AV3R OUT
16
19
RIGHT IN
AV3L OUT
18
39
LEFT OUT
AV3R
26
LEFT IN
AV3L
37
25
MODE
AV3 MODE
48
23
AV3
AV LINK
7
C IN
AV3C
47
41
VIDEO OUT
AMPLIFIER
17
22
Q3303
VIDEO IN
AV3Y
33
45
20
43
CN3602 (1/2)
32
RIGHT IN
AV4R
46
40
RIGHT OUT
AV4L
44
42
AV4 MODE 1
BUFFER
MODE
6
SCL
AV4
AMPLIFIER
AV4 MODE 2
13
Q3651, Q3652
12
SDA
C IN
AV4C
14
5
Y IN
AV4Y
3
2
1
4
9
11
J4 (
)
39
AV SCART,
I/O SWITCHING
40
& SOCKETS
IC3400
AMPLIFIER
Q3311
AMPLIFIER
Q3312
AMPLIFIER
Q3310
IC3300
5
MAIN TV R IN
32
AV 1R
36
MAIN TV L IN
25
AV 1L
29
AV1 MODE
18
TV OUT
BUFFER
2
Q3600
AV1V
60
AMPLIFIER
MAIN R OUT
38
Q2626
AMPLIFIER
MAIN L OUT
39
Q2625
AV2R
35
AV2L
28
AV2 MODE
19
AMPLIFIER
Q3306
13
11
AMPLIFIER
Q3305
AV2V
58
20
24
6
1
BUFFER
23
7
3
AMPLIFIER
Q3407
IC2300
C TO 2149
AMPLIFIER
49
Q3400
AMPLIFIER
Y TO 2149
54
Q3406
AMPLIFIER
CVBS TO 2149
56
SUB TUNER
Q3625
62
MAIN TUNER
BUFFER
CVBS TO 1855
64
AMPLIFIER
43
Q3300
9
26
27
45
33
30
34
31
40
14
41
15
5-2. CIRCUIT BOARD LOCATION
VM
H Board
CVM Board
H
VM Board
A
CN1001
G OUT
9
F Board
B OUT
7
R OUT
10
F/BACK OUT
3
AV LINK
21
MAIN C OUT
6
D1
MAIN Y OUT
5
A Board
MAIN TV L
42
MAIN TV R
41
5-3. SCHEMATIC DIAGRAMS AND
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.
Pitch : 5mm
Electrical power rating : 1/4W
•
Chip resistors are 1/10W
•
All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms
TO
•
: nonflammable resistor.
A BOARD
CN1001
•
: fusible resistor.
•
: internal component.
HP R OUT
33
HP L OUT
34
•
: panel designation or adjustment for repair.
AMPLIFIER
Q2302, 2303
•
All variable and adjustable resistors have
AMPLIFIER
HP MUTE
31
characteristic curve B, unless otherwise noted.
Q2300, 2301
CVBS TV SUB
20
•
All voltages are in Volts.
•
Readings are taken with a 10Mohm digital mutimeter.
CVBS TV MAIN
16
AMPLIFIER
Q3302
•
Readings are taken with a color bar input signal.
CVBS SUB
14
•
Voltage variations may be noted due to normal production
AMPLIFIER
CVBS TXT
11
tolerences.
Q3650
STU-LR
47
•
: B + bus.
SCL
24
SDA
23
•
: B - bus.
•
: RF signal path.
C-SUB
13
AV4 L IN
36
•
: earth - ground.
AV4 R IN
35
AV4 Y IN
19
•
: earth - chassis.
AV4 C IN
17
DTV-R-IN
39
DTV-L-IN
40
- 37 -
Reference Information
RESISTOR
RN
C2 Board
RC
SF2 Board
C
MS3 Board
FPRD
C
FUSE
N
SF Board
RS
RB
D2 Board
RW
J
S1 Board
A2
COIL
LF-8L
CAPACITOR
TA
D1 Board
N Board
PS
A1
B Board
D2
A
PP
A Board
D
PT
J4 Board
G Board
MPS
G1 Board
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.
: 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 d'une importance
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