○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
5-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note:
•
All capacitors are in
µ
F 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
otherwise noted.
•
Voltage variations may be noted due to normal
production tolerances.
•
All voltages are in V.
•
:Cannot be measured.
•
Circled numbers are waveform references.
•
:B + bus.
•
:B – bus.
•
:signal path.
Reference information
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
*
Note: The component identified by shading and
mark
!
are critical for safety. Replace only with
part n umber specified.
5-3. CIRCUIT BOARDS LOCATION
VM1
A
B2
B3
F
H3
C
5
8
2
6
2
2
3
8
8
8
INT0
INT1
INT2
TEX
TX
EXTAL
XTAL
RST
MP
V
DD
V
SS
RMC
AN0~AN5
6
PA0~PA7
PORT A
PORT B
PORT C
PORT D
PORT E
PORT F
PORT G
PB0~PB7
PC0~PC5
PC6~PC7
PD0~PD7
PE0~PE1
PE2~PE3
PE4~PE6
PF0~PF7
PG3~PG6*, PG7
S1
SO
SCK
SDA0
SDA1
SCL0
SCL1
PWM
ADJ
PWM0~PWM7
(PWM0~PWM5)
I
2
C BUS
INTERFACE UNIT
8-BIT PWM 8CH
(6CH)
14BIT PWM 1CH
ON SCREEN
DISPLAY
8-BIT TIMER/
COUNTER 0
SERIAL INTERFACE
UNIT
REMOCON FIFO
A/D CONVERTER
6CH
SPC700 CPU CORE
ROM
12K/16K/24K/32K
40K/48K/60K BYTES
PRESCALER/
TIME-BASE TIMER
WATCHDOG TMER
32kHZ
TIMER/COUNTER
RAM
352/704/1536 BYTES
CLOCK GENERATOR
/SYSTEM CONTROL
INTERRUPT CONTROLLER
8-BIT TIMER 1
HSYNC COUNTER 1
HSYNC COUNTER 0
8 (6)
EC
XLC
EXLC
R
G
B
I
YS
YM
HSYNC
VSYNC
HS0
HS1
TO
2
2
2
4.9Vp-p (V)
1.8Vp-p (V)
SECAM
NTSC
PAL
3.5Vp-p (H)
3.5Vp-p (H)
3.6Vp-p (H)
2.0Vp-p (V)
924Vp-p (H)
134Vp-p
0.7Vp-p (V)
PAL/SECAM
NTSC
0.9Vp-p (H)
PAL
0.7Vp-p (H)
3.5Vp-p (H)
NTSC
SECAM
3.7Vp-p (H)
4.1Vp-p (H)
PAL
SECAM
NTSC
1.3Vp-p (H)
1.3Vp-p (H)
1.3Vp-p (H)
1
2
3
4
5
6
7
8
8
9
10
11
11
11
12
12
12
13
13
13
14
15
16
0.8Vp-p (H)
0.6Vp-p (H)
PAL :
SECAM :
0.7Vp-p (H)
1.0Vp-p (H)
3.9Vp-p (H)
3.6Vp-p (H)
PAL/SECAM :
NTSC :
1.8Vp-p (V)
0.8Vp-p (H)
