Yamaha DVX-S120, Service Manual

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