Yamaha DVX-S200 Service Manual page 49

IC308 : M30624FGAFP (DIGITAL P.C.B.)
Main CPU
No. Name Port
60 P32 -
61 P31 CMOS
62 VCC -
63 P30 CMOS
64 VSS -
65 P27
CMOS
66 P26 CMOS
67 P25 CMOS
68 P24 CMOS
69 P23 CMOS
70 P22 CMOS
71 P21 CMOS
72 P20 CMOS
73 P17 /INT5
74 P16 /INT4
75 P15 /INT3
76 P14 CMOS
77 P13 CMOS
78 P12 CMOS
79 P11
CMOS
80 P10 CMOS
81 P07 CMOS
82 P06 CMOS
83 P05 CMOS
84 P04 -
85 P03
-
86 P02 CMOS
87 P01 CMOS
88 P00 CMOS
89 P107 AN7
90 P106 AN6
91 P105
AN5
92 P104 AN4
93 P103 AN3
94 P102 AN2
95 P101 AN1
96 AVSS -
97 P100
AN0
98 VREF -
99 AVCC -
100 P97 SIN4
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 6.8k
V
1.25 ~ 1.75 ~ 2.25
Market T K
Region
6
I/O Function
IN RDS IC RxD (RDS_RXD)
OUT VMUTE 2
- Power supply, +5V
OUT
- GND
OUT Aspect Select WIDE 2
OUT Aspect Select WIDE 1
OUT
OUT VIDEO Selector D
OUT VIDEO Selector C
OUT VIDEO Selector B
OUT VIDEO Selector A
OUT BLK OUT
INT-IN Remote Control IN (REMOTE)
INT-IN Standby SW IN
INT-IN Power Down DETECT INT IN
OUT Full MUTE (+ HP Muting available) OUT (Not used)
OUT Sub-woofer Mute OUT
OUT 4053_3
OUT 4053_2
OUT 4053_1
OUT Input Select/Electronic Volume IC CLOCK (BD3842FS/BD3815KS 2-wire serial) (CKBD)
OUT Input Select/Electronic Volume IC DATA (BD3842FS/BD3815KS 2-wire serial) (DTBD)
OUT HP MUTE OUT
IN Rotary Encoder B (ROT-2)
IN Rotary Encoder A (ROT-1)
OUT Electronic Volume IC Chip Enable OUT
OUT Electronic Volume IC DC Bias Initialize (Reset) OUT
OUT DAC (CS4382) Reset OUT
A-D IN Destination Select Input
IN TUNER STEREO Detect IN
A-D IN
A-D IN Key AD Input 0 (KEY0)
A-D IN Temperature Detect (Thermistor) IN (for driving FAN)
A-D IN Power Voltage Detect 1 (V Protect) IN (V1-PRT)
IN AC Power Voltage Detect (AC Protect) IN (AC-PRT)
- Connect to VSS (GND)
OUT Power Voltage Detect 2 (V2 Protect) IN (V2-PRT)
- A-D, D-A Reference Voltage Input
- Connect to VCC Terminal (+5V)
IN (Used as Design Test Port)
+1.2k +1.8k +2.7k
~ 1.25 ~ 1.75 ~ 2.25
SKIP/SEARCH + PAUSE DSP +
PRESET/TUNING + PRESET/BAND
10k 15k
~ 2.75 ~ 3.25
L R
(9K/50K) (9K/50K)
(10K/100K) (10K/100K)
3 3 3
(Pull-up at 100 k-ohms) [0 ~ VREF]
+3.3k +4.7k +8.2k
~ 2.75 ~ 3.25 ~ 3.75
INPUT + PLAY PROGRESSIVE
AUTO/MAN'L MEMORY
24k 39k
~ 3.75 ~ 4.25
A U, C
4 1
DVR-S200/NX-P200
(Pull-up resistor required)
(Pull-down resistor required)
(Pull-down resistor required)
[L: RGB]
[H: ON]
[L: POWER DOWN]
[L: MUTE]
[L: MUTE]
[L: MUTE]
(Pull-up resistor required)
(Pull-up resistor required)
[L: Reset]
[0 ~ VREF]
(Pull-up resistor required)
[0 ~ VREF]
[0 ~ VREF]
[0 ~ VREF]
[H: when in abnormal state]
[0 ~ VREF]
[ ~ VCC]
(Pull-down resistor required)
+18k +47k
~ 4.25 ~ 4.75
OPEN NO KEY
∞
91k (pull-up only)
~ 4.75 4.75 ~ 5
B, G
J
2 2
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