– 40 –
– 38 –
– 39 –
KV-PF21K70
RM-960
KV-PF21K70
RM-960
KV-PF21K70
RM-960
5-3. CIRCUIT BOARDS LOCATION
5-2. FRAME SCHEMATIC DIAGRAM
5-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note:
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise noted.
•
All resistors are in ohms.
k
Ω
= 1000
Ω
, M
Ω
= 1000k
Ω
•
Indication of resistance which does not have rating electrical
power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve B
unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark
: PAL
( )
: SECAM
[ ]
: NTSC 3.58
«
»
: NTSC 4.43
•
Readings are taken with a 10 M
Ω
digital multimeter.
•
Voltage are dc with respect to ground unless other-
wise noted.
•
Voltage variations may be noted due to normal pro-
duction tolerances.
•
All voltages are in V.
•
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B + bus.
•
: B – bus.
•
: signal path.
Note: The component identified by shading and
mark
!
are critical for safety. Replace only with
part number specified.
*
Ref erence inf ormation
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
:
*
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
÷
÷
÷
÷
÷
CN604
CN306
CN703
DY
1
DGC
B
9V
IK
1
5
6
(RGB OUT)
1
E
CN704
PICTURE
TUBE
1
2
3
4
5
6
H+
H+
H-
H-
V-
V+
1
2
3
4
5
6
7
VM
GND
9V
VM MUTE
GND
NC
+B
CN5901
1
2
3
7
VM
GND
9V
+B
(POWER SUPPLY, HV, MICON, Y/C JUNGLE)
1
2
3
DGC
NC
DGC
2
1
A
C
IN
A
C
IN
VELOCITY
VM1
A
C3
NECK ASSY
DY ASSY
CN702
1
G
2
FBT
4
3
GND
R
H1
3
2
1
E
200V
CN701
2
G
9V
IK
GND
R
G
B
6
5
4
3
2
1
CN305
1
2
3
H1
GND
200V
CN505
CN601
MODULATION
NC
GND
6
5
VM MUTE
4
CRT
CN4602
A
C
OUT
A
C
OUT
2
1
A
C
IN
A
C
IN
2
1
CN4601
(CISPR)
F
1
GND
CN4603
CN104
GND
1
VM1
A
F
C3
