Yamaha DVX-S150 Service Manual page 48

DVR-S150/NX-P150
QQ
3 7 63 1515 0
KEY INPUT (A-D) PULL UP RESISTOR 10kΩ
Ω
0 +1.2k
V
0 ~ 0.25 ~ 0.75
KEY 0
STOP SKIP/SEARCH -
(92pin)
A/B/C/D/E PRESET/TUNING -
TUNER MARKET & DVD REGION SELECT IN (89 pin, A-D) PULL UP RESISTOR 10kΩ
Ω
4.3k
V
1.25 ~ 1.75
Market
T
Region
6
IC3 : LC89057W-VF4D-E (DIGITAL P.C.B.)
Digital Audio Interface Transceiver
TE
L 13942296513
TMCK/PIO0
www
TBCK/PIO1
TLRCK/PIO2
TDATA/PIO3
.
TXO/PIOEN
48
http://www.xiaoyu163.com
+1.2k +1.8k
~ 1.25 ~ 1.75
SKIP/SEARCH + PAUSE
PRESET/TUNING + PRESET/BAND
6.8k 10k
~ 2.25 ~ 2.75
L
K (9K/50K)
(10K/100K) (10K/100K)
3 3
DO 37
38
DI
CE 39
CL 40
XMODE 41
DGND 42
DVDD 43
TMCK/PIO0 44
TBCK/PIO1 45
TLRCK/PIO2 46
TDATA/PIO3 47
TXO/PIOE 48
RXOUT
1
RX0
2
RX1
3
RX2
4
Input
RX3
5 Selector
RX4
8
RX5/VI
9
RX6/UI
10
LPF
13
44
Modulation
45
&
46
x ao
Parallel Port
y
47
i
48
http://www.xiaoyu163.com
8
+2.7k +3.3k +4.7k
~ 2.25 ~ 2.75 ~ 3.25
DSP INPUT PLAY
AUTO/MAN'L
15k 24k
~ 3.25 ~ 3.75
R
(9K/50K) A
3 4
24 SDIN
23 SLRCK
22 SBCK
21 RDATA
20 RLRCK
Q Q
19 DVDD
3 6 7 1 3
LC89057W-VF4D-E
18 DGND
17 RBCK
16 RMCK
15 AGND
14 AVDD
13 LPF
*: Pull-down resistor internal
32 33 35 40 39 38
Microcontroller
Cbit, Ubit
I/F
Demodulation
Data
&
Selector
Lock Detect
PLL
Clock
Selector
1/N
u163
.
29 28 27 34
2 9 9 4 2 8
+8.2k +18k
~ 3.75 ~ 4.25 ~ 4.75
PROGRESSIVE OPEN/
MEMORY CLOSE
∞
39k 91k (pull-up only)
~ 4.25 ~ 4.75
4.75 ~ 5
U, C B, G, E
1 2
1 5 0 5 8 2 9 9 4
41
37 DO
RERR
36
21 RDATA
SDIN
24
16 RMCK
17 RBCK
20 RLRCK
m
22 SBCK
23 SLRCK
co
9 9
+47k
–
J
2
2 8 9 9