6
BLOCK DIAGRAM
U102

TUNER

ANTENNA

RF INPUT
IF
I701
MICROCOMPUTER
POWER
CH +/-
VOL +/-
MENU
OSD BLANK
OSD BLUE
OSD GREEN
OSD RED
ST-BY 5V
SDA
SCK
27
28
25
24
23
22
8
5 6
SDA SCK SDA
SCK 12
11
I703
EEPROM
14
15
16
17
RF AGC
AFT
15
14
4
10
CVBS
Q703
19 40
20
V.SYNC
21 H.SYNC
SAW
FILTER
SF101
5
6
33V5V
AGC
SDA SCK
29 30
13
12ST-BY 5V
PRE
AMP
34
17
RESET (L)
32.768KHz
10
11
X701
42
PW ON(H)
A.MUTE(H)40
H.OUT(L)
37
AUDIO DEMOD/VOL CONTROL
51
EXT. AUD IN
1
AUDIO
4
3
I601
TDA7267A
1
SOUND 12V
A. MUTE
2
VIF
PLL
DEMOD
AGC
AFT
IF VCC
5V
Z501
TRAP
4.5MHz
L501
VCO
VOIL
49
48
CHROMA/
LUMINANCE
PROCESS
HORIZONTAL
/VERTICAL
PROCESS
46
44
ABL
13
VIDEO/VER.
VCC (5V)
43
EXT. V IN
42
X-RAY
34
19
20
21
RED
GREEN
BLUE
1
2
3
200V

CRT

9
8
7
6
I901
TDA6103Q
HEATER
HOR/BUS VCC25
H.V.
FOCUS
SCREEN
ABL
Hcp
133V
VIDEO
(200V)
HEATER
10V
25.5V
FBP
28
Q401
HOR. DR
27
Q403
HOR
ON/OFF
U-COM
#37
Q402
HOR. OUT
B
B
C
C
B
C
45V
I301
LA7841
23
VER. OUT
5
(VER. B+)
VER. B+
I401
7805
18
RGB VCC
(RGB 9V/TUNER 5V)
IF/VIDEO
5V
VERT.
HOR.
T401
L801
LINE
FILTER
D801
BRIDGE
DIODE
T801
SMPS TRANS
SOUND 12V
I801
DPM001T1
6
133V
45V
33V
ST-BY 5V
Q801
FET
GS
D133V
12V
PW ON(H)
V. OUT
V. IN
EXT. AUDIO
EXT. VIDEO

A/V JACK

SPEAKER

OPTION

AC 120V
60Hz

I101