Yamaha RX-V440RDS Service Manual Page 80
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Rated. / 5. Based on customer reviews
RX-V540/RX-V540RDS/HTR-5650/HTR-5650RDS/DSP-AX540
RX-V440/RX-V440RDS/HTR-5640/HTR-5640RDS/DSP-AX440
A
1
2
3
4
5
6
7
8
9
BCDEFGH I JKL
80
SCHEMATIC DIAGRAM (FUNCTION 2/2)
★ 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.
IC731, 734, 822: 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
IC602: NJM78L05A-T3
Voltage Regulator
INPUT
OUTPUT
GND
IC603: LC72722
RDS Decoder
+
REFERENCE
VOLTAGE
57kHz
bpf
(SCF)
CCB
TEST
PLL
(57kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC/EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK(4.332MHz)
SYNC
DETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DO
CL
DI
CE
T1
T2
T3
T4
T5
T6
T7
X IN
VREF
FL OUT
C IN
X OUT
3
14
15
19
18
24
1 5 6
4
2
20
21
22
23
7
8
9
10
11 16 17 13 12
IC701, 702, 801: LA7956
Video Switch
123456789
VIDEO
OUT
A B VIN1 GND VIN2 VCC VIN3 VIN4
DRIVER
6dB
AMP
CONTROL
4 INPUT 1 OUTPUT
VIDEO SWITCH
IC732, 735: TK15420M
Video Amp
–+
1
2
3
4
5
– +
6
7
8
OUT A
–IN A
+IN A
VEE
VCC
OUT B
–IN B
+IN B
IC733: TC74HCU04AFEL
Hex Inverters
1A
1Y
2Y
VCC
6A
1
2
3
4
11
2A 6Y
5A
12
13
14
3A
3Y
5Y
4A
5
6
7
4Y8
9
10
GND
IC821: LA7104M
Video Amp
15
VOUT1
13
VOUT2
11
VOUT3
10
MUTE2
9
-VCC2
12
DR CTL
16
+VCC
14
GND
2
NFB1
4
VIN2+
6
-VCC1
7
VIN3+
8
NFB3
5
NFB2
1
VIN1+
3
MUTE1
DR6dB
DR6dB
DR6dB
Point
2
Pin 13 of IC601 Point
3
Pin 12 of IC603
Point
4
Emitter of Q601 and collector of Q602
POWER ON
(Connect the power cord)
POWER OFF
(Disconnect the power cord)
RX-V540/RX-V540RDS/HTR-5650/HTR-5650RDS/DSP-AX540
Y/C MIX
Y SELECTOR
Cb SELECTOR
Cr SELECTOR
C-INPUT
SELECTOR
Y-INPUT
SELECTOR
INPUT
SELECTOR
S-SIGNAL DETECTOR
to FUNCTION (7)
G5Page 84
to VIDEO
D1
to FUNCTION (5)
I1
to FUNCTION (6)
E1
Page 79
to FUNCTION (1)
F2
Page 77
to DSP
E1Page 83
to OPERATION (1)
E8
Page 85
to MAIN (2)
F6Page 85
to MAIN (1)
E1
to FUNCTION (4)
C3
Page 85
to MAIN (3)
H1
to FUNCTION (4)
B3
x: NOT USED
O: USED / APPLICABLE
A
B
4
A
4
2
3
B
5.6
13.4
13.4
13.3
12.6
5.6
7.36.8
6.8
0
0
0
0
0
0
0
0
0
0
5.6
4.9
4.6
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
-4.9
-4.9
-4.9
-4.9
-4.9
5.0
5.0
5.0
4.9
4.9
4.9
4.8
0.2
1.6
2.2
0.1
0.1
0.1 0.1
0.1
0.4
0.4
0.7 0.7
0.1
0.1
0.1
0.1
0.1
0.1
0.6
4.9 4.9
4.9
4.9
4.9
4.9
0
0
0
0
0
0
0
0
0
4.9
4.0
4.0
4.0
4.0
4.0
4.9
4.9
6.4
0
11.5
4.0
4.0
4.0
4.0
4.9
4.9
6.0
4.0
4.0
4.0
4.9
4.9
0.1
00
11.511.5
4.9
-4.9
4.5
4.54.55.0
5.0
1.5
11.5
11.5
6.6
6.4
6.4
6.4 6.4
7.0
7.4
7.1
0.1
0
5.8
11.5
11.5
5.4 5.4
6.6
6.6
6.1
6.0
6.0
6.0
6.0
7.1
7.0
1.5
4.9
5.0
4.5
4.5
2.7
0
0
0
0
0
0.6
0.1
0.1
0.1
0.3
0.3
0.1
0.1
0.1
4.2
5.0
0.1
0.1
0.1
0.8
0.8
0.8
1.5
0.8
0.1
5.0
-0.5
5.0
5.0
5.0
4.9
-4.9
-4.9
4.5
00
0
0
0
0.2
0.7
0
0
0
0
0
0
0
0
0
5.0
0
5.0
0
0
0
0
0
0
0
0
0.9
0
0
0
0
0
0
0
0
0.1
4.9
4.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.9 4.9
4.9
4.5
4.9
4.9
4.9
4.9
4.9
4.9
4.3
4.9
4.9
4.9
4.8
4.8
4.8
4.6
2.4
2.3
4.7
0.3
4.9
4.9
4.8
4.8
4.8
4.8
4.7
0.6
1.6
1.2
0
0
0
0
0
0
1.8
4.7
0.6
0
0.6
0.6
2.9
2.3
4.9
4.9
4.9
-11.9
-11.9
-11.9
0
0
0
2.3
2.3
2.3
2.2
2.0
1.8
5.0
4.9
0
0
0
0
4.5
0
0
0
11.7
0
13.4
to FUNCTION (4)
B3
2200P
330
C840
PS
VEE3
VIN3
VEE2
VIN2
VEE1
VIN1
GND
VOUT3
V+3
VOUT2
V+2
VOUT1
V+1
NJM2581M
10/63
Note: IC821 LA7104M for P.W.B. A to D version.
NJM2581M for P.W.B. E or later version.
C841
10/63
C842
10/63
- 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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