Durabrand DBTV1301 Service Manual page 28

A B
8
7
TO CHROMA
AUDIO_IN
VIDEO_IN
6
GND
FROM POWER
SOUND_GND
5
SOUND+B
GND
FROM MICON/TUNER
AUDIO_MUTE
4
POWER
FROM CHROMA
3
AUDIO_OUT
2
NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
1
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
G-9
C
SOUND/AV SCHEMATIC DIAGRAM
J703
AV1-09D-4
25
R703
AUDIO 2
820
26
R704
VIDEO 2
10
J702
AV1-09D-3
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(MAIN PCB)
(FRONT)
A_IN
V_IN
8.2
5
4
R1001
5.1
47K
C1002_1
10V 470 YK
R1003
68K
C1001 23
W805
50V 0.1 KA
CAUTION: SINCE THESE PARTS MARKED BY ARE ATTENTION:
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
HEADPHONE_JACK
J1001
HSJ1403-01-010
2
C1006 3
R1007
1
25V 47 YK 12 1/2W
3.5 0 3.4
6 7 8
+ -
1
CD101A
CH012002
1
3 2 1 CD101B
CH012003
0 0.3 3.9
TUNER VIDEO SIGNAL
LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
AUDIO SIGNAL
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
7
6
5
SPEAKER
1
2
SP1001
S08F21
8 OHM
4
3
2
PCB010
TMA525
1
H
G-10