Serial In/Parallel Out Driver - Yamaha RX-V757 Service Manual

RX-V757 (U, C, A, G models), RX-V657 (U, C, A, B, G, E models)
Key Input(A-D) Pull-Up Resistance 10 k-Ohms
Ohm + 0.0 k + 1.0 k + 1.0 k + 1.5 k
V ~ 0.3 ~ 0.7 ~ 1.0 1.5
ADKEY0
MAIN POWER – – – INPUT MODE STRAIGHT TONE CONTROL PRESET/TUNING
94pin/AN2
ADKEY1 MULTI CH
Z2 POWER – – –
95pin/AN1
RX-V757 (R, T, K models), DSP-AX757 (J model), RX-V657 (R, T, K, L models)
Key Input(A-D) Pull-Up Resistance 10 k-Ohms
Ohm + 0.0 k + 1.0 k + 1.0 k + 1.5 k
V ~ 0.3 ~ 0.7 ~ 1.0 1.5
ADKEY0
– – – – INPUT MODE STRAIGHT TONE CONTROL PRESET/TUNING
94pin/AN2
ADKEY1 MULTI CH
– – – –
95pin/AN1
DSP-AX757SE (B model)
Key Input(A-D) Pull-Up Resistance 10 k-Ohms
Ohm + 0.0 k + 1.0 k + 1.0 k + 1.5 k
V ~ 0.3 ~ 0.7 ~ 1.0 1.5
ADKEY0
INPUT MODE STRAIGHT TONE CONTROL
– – – –
94pin/AN2
ADKEY1 MULTI CH
– – – –
95pin/AN1
HTR-5860 (U, C, A models)
Key Input(A-D) Pull-Up Resistance 10 k-Ohms
Ohm + 0.0 k + 1.0 k + 1.0 k + 1.5 k
V ~ 0.3 ~ 0.7 ~ 1.0 1.5
ADKEY0
– – – – INPUT MODE STRAIGHT TONE CONTROL PRESET/TUNING
94pin/AN2
ADKEY1 MULTI CH
– – – –
95pin/AN1
MODEL Distinction Port / モデル判別ポート
Pin Function Name RX-V757/DSP-AX757/DSP-AX757SE
100 P97 MOD0 –
56 P36 MOD1 –
55 P37 MOD2 0
50 P44 MOD3 0
Distinction for AD Port / 仕向け先判別ポート
Pull-Up Resistance 10 k-Ohms
Ohm 0.0 k 1.2 k 2.7 k 4.7 k 6.8 k
V 0-0.2 0.3-0.8 0.9-1.3 1.4-1.8 1.8-2.2
A-D (5V=256) 0-13 14-40 41-68 69-92 93-115
DEST 97pin J U C R T
+ 2.2 k + 3.3 k + 4.7 k + 4.7 k + 6.8 k + 10.0 k
~ 2.0 ~ 2.6 ~ 3.1 ~ 3.4 ~ 3.7
SPEAKER SPEAKER
B
PRESET/TUNING PRESET/TUNING
FM/AM A/B/C/D/E MEMORY TUNING MODE
INPUT < >
+ 2.2 k + 3.3 k + 4.7 k + 4.7 k + 6.8 k + 10.0 k
~ 2.0 ~ 2.6 ~ 3.1 ~ 3.4 ~ 3.7
SPEAKER SPEAKER
B
PRESET/TUNING PRESET/TUNING
FM/AM A/B/C/D/E MEMORY TUNING MODE
INPUT < >
+ 2.2 k + 3.3 k + 4.7 k + 4.7 k + 6.8 k + 10.0 k
~ 2.0 ~ 2.6 ~ 3.1 ~ 3.4 ~ 3.7
SPEAKER SPEAKER
–
B
LEVEL LEVEL
– NEXT
INPUT - +
+ 2.2 k + 3.3 k + 4.7 k + 4.7 k + 6.8 k + 10.0 k
~ 2.0 ~ 2.6 ~ 3.1 ~ 3.4 ~ 3.7
SPEAKER SPEAKER
B
PRESET/TUNING PRESET/TUNING
FM/AM A/B/C/D/E MEMORY TUNING MODE
INPUT < >
RX-V657 HTR-5860
0 1
– –
0 0
1 1
∞
10.0 k 15.0 k 27.0 k 47.0 k 100.0 k
2.3-2.7 2.8-3.3 3.4-3.8 3.9-4.3 4.4-4.7 4.8-5.0
116-140 141-170 171-198 199-221 222-244 245-255
K A B GE L –
+ 22.0 k
~ 4.0 ~ 4.4
PURE
DIRECT
A
+ 22.0 k
~ 4.0 ~ 4.4
PURE
DIRECT
A
+ 22.0 k
~ 4.0 ~ 4.4
PURE
DIRECT
A
–
–
+ 22.0 k
No.
~ 4.0 ~ 4.4
1
PURE
2
A DIRECT
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
RX-V757/DSP-AX757/DSP-AX757SE
IC903 : BU2092F-E2 (FUNCTION P.C.B.)

Serial In/Parallel Out Driver

VSS
1
DATA
2
CONTROL
CLOCK
3
CIRCUIT
LCK 4
Q0
5
Q1
6
Q2 7
Q3 8
Q4 9
Port Name I/O Function
Vss VSS GND
DATA DATA I Serial data input
CLOCK CLOCK I Data shift clock input
LCK LCK O Data latch clock
Q0 VIA O VIDEO Selector A
Q1 VIB O VIDEO Selector B
Q2 VIC O VIDEO Selector C
Q3 YCSEP O Y/C Separation
Q4 N.C. O
Q5 N.C. O
Q6 /VR1 O VIDEO Rec Out Selector 1
Q7 /VR2 O VIDEO Rec Out Selector 2
Q8 CMP0 O Compornent Selector 0
Q9 CMP1 O Compornent Selector 1
Q10 N.C. O
Q11 I/E O Internal/External Synchronization
/OE /OE I Output Enable
VDD VDD Power supply
RX-V657/HTR-5860
VDD
18
OE
17
Q11
16
Q10
15
Q9
14
Q8
13
Q7
12
Q6
11
Q5
10
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