Kenwood KVT-715DVD Service Manual page 16

KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No.
135 TUN_SMETER
136 TUN_IFC_OUT
137~140 TYPE0~TYPE3
141,142 NC
143 ADCVDD
144 ADCGND
TUN_Type0, TUN_Type1
Model TUN_TYPE0 (129pin) TUN_TYPE1 (130pin)
AFTER
OEM1
OEM2
OEM3
Type0~Type3
Model Type
KVT-715DVD K
TE
L 13942296513
KVT-725DVD E
KVT-735DVD M
KVT-765DVD C
KVT-745DVD X
KVT-815DVD K (eXcelon)
KVT-745DVD R
Audio selector
AUDIO_SW1_A (13pin)
L
H
L
H
AUDIO_SW2_A (8pin)
L
H
L
H
www
.
16
Name I/O
I S-meter input terminal
I Front-end IFC signal input terminal (H : Receiving for broadcasting, L : Other)
I Destination setup terminal
I NC
- VDD (BU5V)
- GND
L L
L H
H L
H H
TYPE3 TYPE2 TYPE1
(140pin) (139pin) (138pin) (137pin)
L L L
L L H
L L H
L H L
L H L
L H H
L H H
AUDIO_SW1_B (6pin) OUTPUT
L IN3
L IN2
H IN1
H IN0
AUDIO_SW2_B (9pin) OUTPUT
L IN3
L IN2
H IN1
H IN0
x ao
y
i
8
Description / Processing Operation
Video selector (BA7652AF)
VISUAL_SW1_1
(18pin)
L
H
L
H
TYPE0 Video selector (BA7612F)
VISUAL_SW2_1
H (19pin)
Q Q
3 6 7 1 3
L L
H L
L H
H H
L * Muting is ON when select for full OSD mode.
H Muting OFF when switched OSD to normal mode.
LX clock setting
9kHz STEP
NC AM frequency (kHz)
AVIN 594~639
TV 846~891
LX 1089~1143
1341~1395
1593~1611
NC * LX-CLK setting are 124.171kHz (other source, AM seek, with out
AVIN above table AM tuning).
TV
NC
u163
.
2 9 9 4 2 8
VISUAL_SW1_2
OUTPUT
(20pin)
L IN1
L IN2
H IN3
H *MUTING
VISUAL_SW2_2
OUTPUT
(21pin)
1 5 0 5 8 2 9 9 4
L IN1
H IN2
L IN3
H *MUTING
10kHz STEP
AM frequency (kHz)
590~640
850~890
1090~1140
1340~1390
1590~1640
m
co
9 9
TV
AVIN
NAVI
-
2 8 9 9
DVD
TV
AVIN
-
LX-CLK
(kHz)
115.1
117.963
117.963
117.963
117.963