Durabrand DBTV1901 Service Manual page 41

A B
8
TO CHROMA
7
AUDIO_IN
VIDEO_IN
GND
6
5
FROM TV POWER
SOUND_GND
4
SOUND+B
GND
FROM MICON/TUNER
AUDIO_MUTE
3
POWER
FROM CHROMA
2 AUDIO_OUT
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
1 WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
G-9
C D
SOUND/AV SCHEMATIC DIAGRAM
25
R703
AUDIO 2
820 1/4W
26
VIDEO 2
R359
47K
C354
10V 470 YK
C355
R360
50V 0.1 KA 68K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
(MAIN PCB)
J703
(FRONT)
AV1-09D-4
A_IN
V_IN
J702
AV1-09D-3
8.2 3.5 0 3.4
5 6 7 8
+ -
4 3 2 1
5.1 0 0.3 3.9
R353
68K
23
SINCE THESE PARTS MARKED BY ARE
ATTENTION: LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES
DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
E
F G
W807
CD351_2
CH122301 SPEAKER
1 1
2 2
SP351
S08F21
8 OHM
ETANT
TUNER VIDEO SIGNAL
AUDIO SIGNAL
F G
H
8
7
6
5
4
3
2
PCB010
TMX494
1
H
G-10