Service manual

TV BLOCK DIAGRAM
V. OUTPUT IC401 LA7840
DY
1
6
6
F
7
8
J801
2
EF
G2
FB401
V801
CRT
9
P. CON + 9V
8
Q405
H. DRIVE
Q406
H. OUTPUT
HD
D501, D502, D503, D504
HV
TEXT_B
TEXT_R
TEXT_G
TEXT_Y
VD
MICON/
OPERATION
L503
DEGAUSS COIL
11
10
PUMP
UP
THERMAL
PROTECTION
-
+
4
MICON/
OPERATION
AC IN
RECTIFIER
F501
Q501
100V SW.
Q502
100V DRIVE
Q503
+B 100V DRIVE
F502
8
12
4
T501
17
15
SP301
SPEAKER
SOUND AMP
IC353 AN7522
4
1
2
7
J351
HEAD PHONE
2
6
1
TV_POWER_H
5
IC506 ON3171R
FEED BACK
Q507
FEED BACK
SW.
Q506
5V SW.
Q513
5V SW.
34
POWER REG.
IC501 STR-F6707
VR502
+B ADJ.
AT+12V
TEXT_Y
Q812, Q803
BLUE AMP
Q811, Q802
Q810, Q801
GREEN AMP
RED AMP
R_OUT
G_OUT
B_OUT
3
POWER_FAIL(DC)
AT+5.6V
AT+30V
5
CHROMA
IC602
NN5099
38
X604
4.433619MHz
42
46
2
5
6
11
10
12
4
23
13
28
27
19
20
17
14
16
15
TINTVCO
RGB
MATRIX
DRIVE CUT-OFF
OSD
SW
CLAMP
APC
ACC
H SYNC SEP
SW
FM DET
SPLL BPF
VIDEO
AMP
AMP
VIDEO
DET
RF AGC IF AGC
BUS
AFT
PLL
DELAY
SHARPNESS
BLACK
STRETCH
21
CONT
BRIGHT
COLOP
CLAMP
AFC2
FBC
HOR
OUT
HOR
VCO
HOR
C/D
VER
C/D
V SYNC SEP
ABCL
PH SHIFT
SAW FILTER
CF601
154
Q608
BUFFER
TU601
1
4
5
11
Q601
PRE AMP
AGC_M
TU_AUDIO
TU_VIDEO
SDA
SCL
IF/21PIN/
IN/OUT/
POWER
AFT_M
9
VOL_CTL
RY501
13
Q504
RELAY
DRIVE
MONITOR_A-L
11
MICON/
OPERATION
2
VCR_POWER_H
44
TEXT SYNC
T'TEXT
SP302
SPEAKER
MONITOR_V
Q610
AMP
SOUND IF AMP
IC602 LA7510
6
1
2
AMP
DETECTOR
AMP
SAW FILTER
CF603
154
Q606
AMP
SIF
18
5
CD9001
7
6
3
31
5V REG.
IC9003 KIA7805API
31
9V REG.
IC9001
KIA7809API
AT+9V
108
12
5
3
MONITOR_A-R
Q9001
DRIVER
P.CON+9V
31
5V REG.
IC9002 KIA7805API
Q9003
DRIVER
Q9004
DRIVER
Q9002
SW
P.CON+9V
H-1
P.CON+8V
TUNER/
HIFI/
STEREO
TUNER/
HIFI/
STEREO
TUNER/
HIFI/
STEREO
AUDIO SIGNAL (PB)
AUDIO SIGNAL(REC)
RECORD LUMINANCE SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
TUNER VIDEO SIGNAL
PLAYBACK COLOR SIGNAL
TUNER AUDIO SIGNAL
R. SIGNAL
B. SIGNAL
G. SIGNAL
DEFLECTION SIGNAL