Yamaha DVX-S120 Service Manual page 47

QQ
3 7 63 1515 0
IC381 : M30624FGAFP (DIGITAL P.C.B.)
Main CPU
No. Name
60 P32
61 P31
62 VCC
63 P30
64 VSS
65 P27
66 P26
67 P25
68 P24
69 P23
70 P22
71 P21
72 P20
73 P17
74 P16
75 P15
76 P14
77 P13
78 P12
79 P11
80 P10
81 P07
82 P06
83 P05
84 P04
85 P03
TE
L 13942296513 86 P02
87 P01
88 P00
89 P107
90 P106
91 P105
92 P104
93 P103
94 P102
95 P101
96 AVSS
97 P100
98 VREF
99 AVCC
100 P97
KEY INPUT (A-D) PULL UP RESISTOR 10kΩ
Ω
0
V
0 ~ 0.25
KEY 0
STOP
(92pin)
A/B/C/D/E
TUNER MARKET & DVD REGION SELECT IN (89 pin, A-D) PULL UP RESISTOR 10kΩ
Ω
4.3k
www
V
1.25 ~ 1.75
Market T
.
Region
6
http://www.xiaoyu163.com
Port I/O Function
- IN RDS IC RxD (RDS_RXD)
CMOS OUT
- - Power supply, +5V
CMOS OUT
- - GND
OUT Aspect Select WIDE 2 (S terminal switching)
CMOS
CMOS OUT Aspect Select WIDE 1 (S terminal switching)
CMOS OUT D Terminal Control OUT (P/I)
CMOS OUT VIDEO Selector D (MUTE2)
CMOS OUT VIDEO Selector C (MUTE1)
CMOS OUT VIDEO Selector B (V_SEL_B)
CMOS OUT VIDEO Selector A (V_SEL_A)
CMOS OUT
/INT5 INT-IN Remote Control IN (REMOTE)
/INT4 INT-IN Standby SW IN
/INT3 INT-IN Power Down DETECT INT IN (PW_DN)
CMOS OUT Full MUTE (+ HP Muting available) OUT
CMOS OUT Sub-woofer Mute OUT
CMOS OUT
OUT
CMOS
CMOS OUT
CMOS OUT Input Select/Electronic Volume IC CLOCK (BD3842FS/BD3815KS 2-wire serial) (CKBD)
CMOS OUT Input Select/Electronic Volume IC DATA (BD3842FS/BD3815KS 2-wire serial) (DTBD)
CMOS OUT HP MUTE OUT
- IN Rotary Encoder B (ROT-2)
IN Rotary Encoder A (ROT-1)
-
CMOS OUT
CMOS OUT
CMOS OUT
AN7 A-D IN Destination Select Input
AN6 IN TUNER STEREO Detect IN
A-D IN
AN5
AN4 A-D IN Key AD Input 0 (KEY0)
AN3 A-D IN Temperature Detect (Thermistor) IN (for driving FAN) (YHM-M)
AN2 A-D IN Power Voltage Detect 1 (V Protect) IN (V1-PRT)
AN1 IN AC Power Voltage Detect (AC Protect) IN (AC-PRT)
- - Connect to VSS (GND)
OUT Power Voltage Detect 2 (V2 Protect) IN (V2-PRT)
AN0
- - A-D, D-A Reference Voltage Input
- - Connect to VCC Terminal (+5V)
SIN4 IN (Used as Design Test Port)
+1.2k +1.2k +1.8k
~ 0.75 ~ 1.25 ~ 1.75
SKIP/SEARCH - SKIP/SEARCH + PAUSE
PRESET/TUNING - PRESET/TUNING + PRESET/BAND
6.8k 10k
~ 2.25 ~ 2.75
x ao
L
y
K (9K/50K)
i
(10K/100K)
3 3
http://www.xiaoyu163.com
8
Q Q
3 6 7 1 3
+2.7k +3.3k
~ 2.25 ~ 2.75 ~ 3.25
DSP + INPUT +
AUTO/MAN'L
15k 24k
~ 3.25 ~ 3.75
u163
R
(9K/50K) A
.
(10K/100K)
3 4
DVR-S120/NX-P120
2 9 9 4 2 8
(Pull-up resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
[L: Interlace, H: Progressive]
(Pull-down resistor required)
[L: POWER DOWN]
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
(Pull-up resistor required)
(Pull-up resistor required)
1 5 0 5 8 (Pull-down resistor required) 2 9 9 4
(Pull-down resistor required)
(Pull-up resistor required)
(Pull-up at 100 k-ohms) [0 ~ VREF]
[H: when in abnormal state]
(Pull-down resistor required)
+4.7k +8.2k +18k
~ 3.75 ~ 4.25
PLAY PROGRESSIVE OPEN
MEMORY
m
39k 91k
~ 4.25 ~ 4.75
co
U, C B, G
1 2
9 9
[H: ON]
[L: MUTE]
[L: MUTE]
[L: MUTE]
2 8 9 9
[0 ~ VREF]
[0 ~ VREF]
[0 ~ VREF]
[0 ~ VREF]
[0 ~ VREF]
[ ~ VCC]
+47k
~ 4.75
NO KEY
∞
(pull-up only)
4.75 ~ 5
J
2
47