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5-1 BLOCK DIAGRAMS (2)
29" models only
IC1901
COMPARATOR
VM (
)
VM AMP, QP, DYNAMIC FOCUS
2
+
ROTATION AMP
+9V
1
3
-
5
-
7
6
+
IC1801
ROTATION
AMP
6
-
ROT +
+9V
7
5
+
CN1705
7
V PULSE
2
+
ROT -
1
TO A BOARD
6
NS CORRECT
3
-
CN505
5
VM
VM AMP
VM AMP
VM OUT
Q1701, 1702,
BUFFER
Q1703,1704
1708, 1709
Q1704
GND
QP+
CN1803
BUFFER
TO A BOARD
1
15V PULSE
QP-
Q1840,
CN503
1841
IC1902
DF COMPARATOR
+9V
2
-
1
3
+
DF
5
+
T1901
7
6
-
29
S1
(STEREO DECODER)
IC1101
CN1101
STEREO DECODER
1
SCL
SCL
4
2
SDA
5
SDA
5
SIF
12
SIFI
6
MONO
MONO IN
29
9
SCART 1 IN
R1
33
R
TO A BOARD
10
SCART 1 IN
34
CN101
L1
L
11
SCART 2 IN
36
R2
R
12
SCART 2 IN
37
L2
L
14
TVR OUT
TVR OUT
15
TVL OUT
TVL OUT
CN1801
16
AUDIO R OUT
1
R AUDIO OUT
TO ROTATION
17
AUDIO L OUT
COIL
L AUDIO
3
OUT
NECK ASSY
VM
2
VM
4
6
QP
8
CN703
R
1
R DRIVE, BKG
R OUT
QP
Q702, 703
Q704
G
2
TO A BOARD
B
CN504
3
CN1809
1
G DRIVE, BKG
G OUT
TO A BOARD
CN509
CUT OFF
6
Q705, 706
Q 707
B DRIVE, BKG
B OUT
Q708, 709
Q710
CN701
1
G2
TO A BOARD
2
+200V
CN502
H2
6
D711
PROTECT
RV702
G2
(1000V)
H STAT
RV701
C
SCREEN
(RGB OUT)
30
XTAI OUT
17
XTAI IN
18
TVR OUT
S601
SCART 1 OUT
47
P O W E R
TVL OUT
SCART 1 OUT
48
CN603
AUDIO R OUT
1
MAIN OUT R
60
2
AUDIO L OUT
MAIN OUT L
61
CN907
F U N C T I O N
4
KEY
S W I T C H
S 9 0 0 - S 9 0 2
TO A BOARD
CN007
6
R E M O T E
RESP
2
C O N T R O L
R E C E I V E R
7
SIRCS
1
I C 9 0 0
CN908
AUDIO L
2
OUT
1
AUDIO L IN
TO A BOARD
CN208
5
AUDIO R IN
AUDIO R
4
OUT
R
CN906
G
PICTURE TUBE
2
AUDIO L
4
AUDIO R
H
R
TO A BOARD
B
G
G
CN406
C
2
4
V
6
H
Y/CVBS
V
8
C
H1
H2
RCV
G2
TO A BOARD
T511 (FBT)
5-2. CIRCUIT BOARD LOCATION
VM Board
H1(
)
AUDIO/VIDEO IN, HEADPHONE
29" only
JACK, AUDIO OUT JACK, SIRCS
RECEIVER, FUNCTION SWITCH
CN604
1
TO A BOARD
2
CN606
H1 Board
A Board
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.
J900
•
Indication of resistance, which does not have one for
H E A D P H O N E S
rating electrical power, is as follows.
Pitch : 5mm
Electrical power rating : 1/4W
•
Chip resistors are 1/10W
•
All resistors are in ohms.
CN900
k = 1000 ohms, M = 1000,000 ohms
L
•
: nonflammable resistor.
R
•
: fusible resistor.
V I D E O
•
: internal component.
1
Y/C
3
•
: panel designation or adjustment for repair.
4
2
•
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.
•
: earth - ground.
•
: earth - chassis.
31
Reference Information
RESISTOR
RN
: METAL FILM
RC
: SOLID
C Board
FPRD
: NON FLAMMABLE CARBON
FUSE
: NON FLAMMABLE FUSIBLE
RS
: NON FLAMMABLE METAL OXIDE
RB
: NON FLAMMABLE CEMENT
RW
: NON FLAMMABLE WIREWOUND
S1 Board
: ADJUSTMENT RESISTOR
COIL
LF-8L
: MICRO INDUCTOR
CAPACITOR
TA
: TANTALUM
PS
: STYROL
PP
: POLYPROPYLENE
PT
: MYLAR
MPS
: METALIZED POLYESTER
MPP
: METALIZED POLYPROPYLENE
ALB
: BIPOLAR
ALT
: HIGH TEMPERATURE
ALR
: HIGH RIPPLE
Note: The components identified by shading
£
and marked
are critical for safety
Replace only with the part numbers
specified in the parts list.
Note: Les composants identifies par une trame et
£
par une marque
sont d'une importance
critique pour le securite. Ne les remplacer
que par des pieces de numero specifie.
32
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