Yamaha RX-V757, Руководство по обслуживанию

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RX-V757/DSP-AX757/DSP-AX757SE
RX-V657/HTR-5860
61
IC903 : BU2092F-E2 (FUNCTION P.C.B.)
Serial In/Parallel Out Driver
CONTROL
CIRCUIT
OUTPUT B
UFFER (OPEN DRAIN)
128BIT ST
ORA
GE REGISTER
128BIT SHIFT REGISTER
10
11
12
13
14
15
16
17
18
VSS
DATA
CLOCK
LCK
Q0
Q1
Q2
Q3
Q4
VDD
OE
Q11
Q10
Q9
Q8
Q7
Q6
Q5
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Vss
DATA
CLOCK
LCK
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
/OE
VDD
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
I
GND
Serial data input
Data shift clock input
Data latch clock
VIDEO Selector A
VIDEO Selector B
VIDEO Selector C
Y/C Separation
VIDEO Rec Out Selector 1
VIDEO Rec Out Selector 2
Compornent Selector 0
Compornent Selector 1
Internal/External Synchronization
Output Enable
Power supply
No. Port I/O Function
VSS
DATA
CLOCK
LCK
VIA
VIB
VIC
YCSEP
N.C.
N.C.
/VR1
/VR2
CMP0
CMP1
N.C.
I/E
/OE
VDD
Name
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
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
DSP-AX757SE (B model)
Key Input(A-D) Pull-Up Resistance 10 k-Ohms
HTR-5860 (U, C, A models)
Key Input(A-D) Pull-Up Resistance 10 k-Ohms
MODEL Distinction Port /
モデル判別ポート
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 10.0 k 15.0 k 27.0 k 47.0 k 100.0 k
V 0-0.2 0.3-0.8 0.9-1.3 1.4-1.8 1.8-2.2 2.3-2.7 2.8-3.3 3.4-3.8 3.9-4.3 4.4-4.7 4.8-5.0
A-D (5V=256) 0-13 14-40 41-68 69-92 93-115 116-140 141-170 171-198 199-221 222-244 245-255
DEST 97pin J U C R T K A B GE L –
Pin Function Name RX-V757/DSP-AX757/DSP-AX757SE RX-V657 HTR-5860
100 P97 MOD0 – 0 1
56 P36 MOD1 – – –
55 P37 MOD2 0 0 0
50 P44 MOD3 0 1 1
Ohm + 0.0 k + 1.0 k + 1.0 k + 1.5 k + 2.2 k + 3.3 k + 4.7 k + 4.7 k + 6.8 k + 10.0 k + 22.0 k
V ~ 0.3 ~ 0.7 ~ 1.0 1.5 ~ 2.0 ~ 2.6 ~ 3.1 ~ 3.4 ~ 3.7 ~ 4.0 ~ 4.4
ADKEY0
MAIN POWER – – – INPUT MODE STRAIGHT TONE CONTROL PRESET/TUNING
SPEAKER SPEAKER PURE
DIRECT
PURE
DIRECT
PURE
DIRECT
PURE
DIRECT
LEVEL
-
LEVEL
+
94pin/AN2 B A
ADKEY1
Z2 POWER – – –
MULTI CH
FM/AM A/B/C/D/E
PRESET/TUNING PRESET/TUNING
MEMORY TUNING MODE
95pin/AN1 INPUT < >
Ohm + 0.0 k + 1.0 k + 1.0 k + 1.5 k + 2.2 k + 3.3 k + 4.7 k + 4.7 k + 6.8 k + 10.0 k + 22.0 k
V ~ 0.3 ~ 0.7 ~ 1.0 1.5 ~ 2.0 ~ 2.6 ~ 3.1 ~ 3.4 ~ 3.7 ~ 4.0 ~ 4.4
ADKEY0
– – – – INPUT MODE STRAIGHT TONE CONTROL PRESET/TUNING
SPEAKER SPEAKER
94pin/AN2 B A
ADKEY1
– – – –
– – – –
MULTI CH
FM/AM A/B/C/D/E
PRESET/TUNING PRESET/TUNING
MEMORY TUNING MODE
95pin/AN1 INPUT < >
Ohm + 0.0 k + 1.0 k + 1.0 k + 1.5 k + 2.2 k + 3.3 k + 4.7 k + 4.7 k + 6.8 k + 10.0 k + 22.0 k
V ~ 0.3 ~ 0.7 ~ 1.0 1.5 ~ 2.0 ~ 2.6 ~ 3.1 ~ 3.4 ~ 3.7 ~ 4.0 ~ 4.4
ADKEY0
INPUT MODE STRAIGHT TONE CONTROL
SPEAKER SPEAKER
– –
94pin/AN2 B A
ADKEY1
– – – –
– – – –
– – – –
MULTI CH
NEXT
95pin/AN1 INPUT
Ohm + 0.0 k + 1.0 k + 1.0 k + 1.5 k + 2.2 k + 3.3 k + 4.7 k + 4.7 k + 6.8 k + 10.0 k + 22.0 k
V ~ 0.3 ~ 0.7 ~ 1.0 1.5 ~ 2.0 ~ 2.6 ~ 3.1 ~ 3.4 ~ 3.7 ~ 4.0 ~ 4.4
ADKEY0
INPUT MODE STRAIGHT TONE CONTROL PRESET/TUNING
SPEAKER SPEAKER
94pin/AN2 B A
ADKEY1 MULTI CH
FM/AM A/B/C/D/E
PRESET/TUNING PRESET/TUNING
MEMORY TUNING MODE
95pin/AN1 INPUT < >
–
–
∞