7
4-3. TAPE & AUDIO SECTION
N O.
I T E M
TEST CONDITION
U N I T
N O M I N A L
L I M I T
1
WOW & FLUTTER
M T T- 1 1 1
%
0 . 1 5
≤
0 . 3 5
(3,000Hz, DIN. WTD. )
2
TAPE SPEED ERRO R
M T T- 1 1 1
%
+ 1 . 0
- 1 . 0 , + 3 . 0
(3,000Hz, DIN. WTD. )
3
S/N RAT I O
M T T- 1 1 2 B
d B
5 0
≥
4 5
4
T. H . D.
M T T- 1 1 8
%
1 . 0
≤
2 . 0
5
CHANNEL SEPA R AT I O N
M T T- 1 4 1
d B
4 0
≥
3 0
6
P ROGRAM CLOSSTA L K
M T T- 1 2 1
d B
4 0
≥
3 0
7
F R E QUENCY RESPONCE
1 2 5 H z
d B
0
± 3
R e f. 1KHz
8 k H z
d B
0
± 2
8
NOISE LEVEL
VR. MIN.
m V
1
≤
3
9
OUTPUT POWER (10% THD. )
FM DEV 75KHz, 1KHz
W
1 8
≥
1 6
1 0
OUTPUT POWER (MAX)
FM DEV 75KHz, 1 K Hz
W
2 0
≥
1 7
1 1
BALANCE CONTROL EFFECT
FM DEV 22.5KHz, 1 K Hz
d B
6 0
≥
2 0
1 2
FADER CONTROL EFFECT
FM DEV 22.5KHz, 1 K Hz
d B
6 0
≥
3 5
1 3
TONE CONTROL EFFECT
BASS 100Hz
d B
9
1 0 ± 3
TREBLE 10KHz
d B
9
1 0 ± 3
1 4
CHANNEL BALANCE
FM DEV 22.5KHz, 1KHz
d B
0
± 3
(L / R)
M T T-118 1KHz
d B
0
± 3
DEV 22.5KHz,. 1KHz
d B
0
± 3
1 5
LEVEL BALANCE
MOD 30%, 400Hz
d B
0
± 3
M T T-118 1KHz
d B
0
0
T U N E R
TA P E
F M
A M
TA P E
Summary of Contents for AKF-8846
Page 1: ...Service Manual CAR AUDIO Model AKF 8846 8847 DAEWOO ELECTRONICS CO LT D ...
Page 10: ...8 5 MICOM PIN CONFIGURATION DESCRIPTIONS 5 1 PIN CONFIGURATIONS IC305 ...
Page 17: ...15 7 PCB PATTERN DIAGRAM 7 1 PCB MAIN PART S SIDE TOP 7 2 PCB FRONT PART S SIDE TOP ...
Page 18: ...16 7 3 PCB FRONT PART S SIDE BOTTOM ...
Page 19: ...8 OVERALL EXPLODED VIEW PARTS LIST ...
Page 20: ......
Page 24: ...10 CIRCUIT DIAGRAM ...
Page 25: ......
