Yamaha RX-V440RDS Service Manual Page 81
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ABCDEFGH I JKL
RX-V540/RX-V540RDS/HTR-5650/HTR-5650RDS/DSP-AX540
RX-V440/RX-V440RDS/HTR-5640/HTR-5640RDS/DSP-AX440
81
SCHEMATIC DIAGRAM (FUNCTION 1/2)
1
2
3
4
5
6
7
8
9
★ All voltages are measured with a 10MΩ/V DC electric volt meter.
★ Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
F-SW1
F-SW1: INPUT FUNCTION 1
F-SW2: INPUT FUNCTION 2
*
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
IC301: BD3841FS
Function Switch
DGND
F-SW2
CL
DA
VEE
BIAS
VCC
RECA1
RECA2
RECB1
RECB2
RECC1
RECC2
OUT1
OUT2
INI1
INI2
INA1
INA2
INB1
INB2
INC1
INC2
IND1
IND2
INE1
INE2
INF1
INF2
ING1
ING2
INH1
INH2
LOGIC
+
–
+
–
+
–
+
–
+
–
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IC303: BD3812F-E2
Audio Sound Processor
OUT1
OUT2
SEL
DGND
MUTE
DA
CL
IN1
AGND1
IN2
AGND2
VEE
AGND3
VCC
LOGIC
+
–
IC305, 306: TC74HC4053AF
Analog Multiplexer/Demultiplexer
16
VDD
6
INHIBIT
11
15
14
9
A
C
B
8
VSS
7
VEE
12
0X
13
1X
2
0Y
1
1Y
5
0Z
3
1Z
LEVEL
CONVERTER
10
BINARY TO 1-OF-8
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
4
Z-COM
X-COM
Y-COM
INPUT STATES
INHIBIT
0
0
0
0
0
0
0
0
1
"ON" CHANNNEL (S)
0X, 0Y, 0Z
1X, 0Y, 0Z
0X, 1Y, 0Z
1X, 1Y, 0Z
0X, 0Y, 1Z
1X, 0Y, 1Z
0X, 1Y, 1Z
1X, 1Y, 1Z
NONE
C
0
0
0
0
1
1
1
1
X
B
0
0
1
1
0
0
1
1
X
A
0
1
0
1
0
1
0
1
X
IC307: NJM2068MD
IC308, 309: µPC4570G2
Dual OP-Amp.
–+
OUT1
–IN1
–VCC
+VCC
OUT2
1
2
3
4
5
+IN1 –IN2
+IN2
– +
6
7
8
RX-V440/RX-V440RDS/HTR-5640/HTR-5640RDS/DSP-AX440
Page 78
to DSP
F1Page 82
to FUNCTION (4)
D3
Page 88
to POWER (1)
A5
Page 83
to OPERATION (1)
A7 Page 83
to OPERATION (4)
J4
43
44
45
46
47
48
49
50
51
52
53
54
55
56
28
27
26
25
24
23
22
21
20
19
18
17
16
15
42 41 40 39 38 37 36 35 34 33 32 31 30 29
1 2 3 4 5 6 7 8 9 10 11 12 13 14
IC302: BD3815KS
Audio Sound Processor
GOUTFL
VINFL
GOUTFR
VINFR
TNFR
TNFL
BNF1R
BNF2R
BNF1L
BNF2L
GND10
OUTFR
GND9
OUTFL
GND8
OUTSW
GND7
OUTSR
GND6
OUTSL
GND5
OUTC
GND4
OUTSB
VCC
GND3
VEE
VDD
INFRA
INFLA
INSWA
INSRA
INSLA
INCA
INSBA
INFRB
INFLB
INSWB
INSRB
INSLB
INCB
INSBB
GND1
GOUTSW
VINSW
GOUTSR
INVINSR
GOUTSL
VINSL
GOUTC
VINC
GND2
PORTA
PORTB
DA
CL
TONE
A
SW1
B
A
B
LOGIC
A
B
A
B
A
B
A
B
A
B
A
B
A
B
+
–
+
–
+
–
+
–
+
–
+
–
+
–
SW2
A
B
SW3
+
–
+
–
+
–
+
–
+
–
+
–
CENTER
MAIN L
REAR L
0.2 0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1 0
0
0
0
0
0
0
0
00
0.1
0.1
0.1
0.1
5.7
0.1
0.1
0.1
5.7
5.7
0
0
-5.6
0
0
-5.6
-5.6
0
0.1
0.1
0.1
0.1
0.1
11.7
-11.9
0
0
0
0
0
0
0
0
-6.9
7.0
7.0
0
0
0
0
0
0
0
0
0
-11.9
11.7
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
-11.9
0.1
11.7
0
0
0
0
0
0
0
0
0
0
0
0.1
7.7
6.8
-6.8
-6.8
-6.8
-7.6
-12.0
11.7
7.0
0.1
0.1
-6.9
0
0
0
0
0
0
0
0
0
0
7.0
0
-6.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-11.9
-11.9
00
MUTE
MUTE
INPUT/
REC OUT
SELECTOR
AUDIO
SOUND
PROCESSOR
1.5K
1.5K
- AV RECEIVER/AV AMPLIFIER 1
- ■ TO SERVICE PERSONNEL 2
- ■ IMPEDANCE SELECTOR 2
- ■ FRONT PANELS 3
- ■ REAR PANELS 5
- ■ REMOTE CONTROL PANELS 13
- ■ SPECIFICATIONS / 参考仕様 14
- • Set Menu Table / セットメニュー 16
- ■ INTERNAL VIEW 17
- 1. トップカバーの外し方 18
- 2. フロントパネルユニットの外し方 18
- 3. DSP P.C.B.の外し方 18
- 4. FUNCTION （1）∼（6）、TUNERの外し方 19
- MF117350 20
- CAUTION! 23
- ● ダイアグ起動時の表示 24
- ● メニュー動作中の表示 25
- DIAG menu selection 26
- SUB-MENU selection 26
- ダイアグメニューの選択 26
- サブメニューの選択 26
- • Details of DIAG menu 27
- ● ダイアグメニュー詳細 27
- ( Digital Audio Data / PCM ) 28
- 2. RAM THROUGH 29
- 4Mbit DRAM 30
- CS49329 is in L/R output 31
- 4. SPEAKERS SET 32
- 5. MARGIN CHECK 33
- 10. AD DATA CHECK/FAN TEST 36
- 11. IF STATUS 38
- 12. DSP RAM CHECK 40
- 13. SD DL CODE 40
- 14. SOFT SW 41
- 15. マイコン情報 42
- ■ AMP ADJUSTMENT / アンプ部調整 43
- ■ DISPLAY DATA 44
- ■ IC DATA 46
- 16bit µ-COM (Main CPU) 47
- IC601 : YSS938 (DSP P.C.B.) 48
- ■ BLOCK DIAGRAM (1/2) 52
- ■ BLOCK DIAGRAM (2/2) 53
- DSP P. C. B 54
- (Lead Type Device) 54
- (Surface Mount Device) 54
- FUNCTION (2) P. C. B 57
- FUNCTION (1) P. C. B 57
- OPERATION (1) P. C. B 64
- VIDEO AUX 66
- STANDBY/ON 66
- HEADPHONE 66
- VIDEO P. C. B 67
- MAIN (1) P. C. B 68
- MAIN (2) P. C. B 69
- MAIN (3) P. C. B 70
- R, K models 74
- ■ PIN CONNECTION DIAGRAM 76
- SCHEMATIC DIAGRAM (DSP) 77
- Function Switch 79
- 123456789 80
- SCHEMATIC DIAGRAM (OPERATION) 83
- SCHEMATIC DIAGRAM (VIDEO) 84
- SCHEMATIC DIAGRAM (MAIN) 85
- SCHEMATIC DIAGRAM (POWER) 87
- PARTS LIST 89
- P.C.B. DSP 90
- P.C.B. FUNCTION 100
- P.C.B. OPERATION 110
- P.C.B. MAIN 114
- P.C.B. POWER 127
- Chip Resistors 132
- 1/4W Type 133
- 1/6W Type 133
- ■ MECHANICAL PARTS 134
- ■ EXPLODED VIEW 134
- ● SCHEMATIC DIAGRAM 138
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