Yamaha RX-V1700, Service Manual

Page: 116 / 162

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B C D E F G H I J K L M N
RX-V1700/DSP-AX1700
116
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
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.
D-VIDEO 2/2
-4.9 -4.9
3.3 0
0
0
0
2.4
0
2.5
0
0.9
0
0.1
2.4
0.1
0
0
3.3
1.6 0
3.1 0.1
0.4
0.4
0.4
0.5
0.6
0.2
0.3
0
0.3
0.2
0.2
0.4
0.4
0.4
0.5
0.6
0
3.3
3.3
2.6
0
0
0
4.9
3.3
0
0
0
0
0
3.3
3.3
0
4.9
3.3
0.2 0
2.4 0.2
0.2
0.3
0.3
0.4
0.5
0.4
0.6
0
0
0.9
0
2.4
0
0
4.9
3.3
0.1
3.3 0
0
0
3.3
1.6
3.1
3.3
2.6
0
1.8
0
0
1.8
0
3.3
0
0
0
3.3
0.4
3.3
0
0.1
2.4
0.1
0.4
0
0.9
0.9
2.4
0
0
0.4 0
0.4 0.2
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0
0
0.4
0.2
0.2
0.3
0.3
0.2
3.3
3.3
0.6
0.4 0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0.3
0.3
0.3
0.3
3.3
3.3
0.2
0.2
0.5
0.6
0.5
0.4
0.4
0.4
3.3
3.3
0.7
0.7
0.7
0
0
0
0
0
0
0
0
0
4.9
0
5.0
5.0
5.0
5.0
5.0
5.0
0.1
4.9
0.1
0.1
0.1
5.0
5.0
5.0
4.9
3.0
4.9
3.4
0 5.0 5.0
3.0
3.4
3.4
3.4 1.8
3.4 1.8
3.4 1.8
3.4
0
2.5
0
0
0
2.5
4.9
4.9
4.9
3.3
3.3
3.4
3.4
0
0
0
4.9
4.9
3.3
3.3
0
0
0
0
0
3.3
3.3
4.9
0.6
5.0
4.9
0
0
3.1
0
1.6
1.8
0.3
0.2
0.2
0
0.1
0.1
0.1
0.1
0
0.1
0
0
0
0
0.4
1.2
1.6
3.3
0.4 3.3
3.3
3.3
0
0
0
0
3.3
3.3
1.4
3.1
3.1
3.3
3.3
0
0
3.3
3.3
3.3
0
3.1
3.3
4.9
4.9
0.1
4.9
5.0
0.1
0
4.9
4.9
4.9
4.9
3.3
3.3
4.9
4.9
3.3
5.2
0
0
0
2.3
3.3
3.3
3.2 4.9
3.3
0.4
0.4
0.4
0.4
3.3
3.3
3.3
0
3.3
0.4
0.4
0.4
0.4
4.9
0
0.1
4.9
0
0
4.9
4.9
0
4.9
0.1
0
0
4.9
4.9
5.1
0
3.0
0
0 0.1
0
0
0
0
3.3 0.4
0
0 0
0.2
1.8 0
0
3.3
0 0
3.3 3.3
0 0
0
0
0 0 0
1.8 1.6 1.2 0.1 0.4
0 0 0
3.1
3.3
0
0
0
1.8
0.7
0 0 0 0 0 0
1.6
0.9 0.8 1.6
01
.6
1.6
0 1.6 1.6
0
.1
1.6
0 0 0
0 0 0 0 0 0 0
0
0
0
0
0
0
3.3
1.6
0
0
0
0
0
0
1.3
0
0
0
0
0
0
0
3.3
3.3
0
3.3
3.1
0
0
0
0.1
0.5
0
0
3.3
0
3.3
3.2
0
0
0.4
0.4
0
1.7
3.3
3.3
0 0
0 0.2
0.3
0.3
0.2
0.2
0.4
0.4
0.4
0
0
0.3
0.3
0.3
0.3
0.4
0.5
0.4
0.6
0
0
0
0
0
0
0
0.1
1.2
0
0
0.4
0.1
1.2
1.6
3.3
3.3
3.3
3.3
1.3
1.3
1.6
3.3 3.1
0 0
0.1 1.2
0
2.5
0 0
0.4
0
1.6 1.6
1.6
3.3
0
3.3
1.8
3.3
0.4
5.0
0 0
3.6 3.4
0 0
4.9
0
4.9 2.6
0
2.4 5.0
5.0
5.0
3.3 4.9
5.0 5.0 5.0 3.6
0.1 0.2
4.9 4.9
0.4 0.5 0.5 0.4 0.4 0.4
3.3
3.3 3.3 3.3 3.3 3.3 3.3
0 3.3
3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3
0 3.3
3.3 3.3
3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3
0.4 0.4 0.4 0.4
0.4
0.4 0.5 0.4 3.3
0.5
0.4
0.4
0.4 0.4 0.4 0.4 0.4 3.3 0 0.4 3.3 3.3
0
0 0
1.8
0
1.8
0 0
3.3 3.3 3.3
3.3 3.3
0
0.7 0.7 0.8 1.1 0.7 0 0.7 2.9 0.9 0.8 0.8 0.7 1.8 0.8 0.8 0.8 0.8 0.8 0.5 3.3 0
1.6
3.0 0.5 0.5 0.2 0.4 3.3 0.2 0.2 0.2 0.2 0.2 0.3 0
0.8
0
.7
0.7 0 0.8 1.1 3.3 0.7 0.7 0 2.9 0.9 3.3 0.5 1.6 3.3 0.2 0.2 0.2 0.2 0.2 0.3 0
0.8
0
0.8 0.8 3.3 0.8 0.7
0
0.8 0.8 3.3 0.5 3.3 3.0 0.5 0.5 0.2 0.4
0 0 0 0
3.3
0
3.1
3.3 0 0 0 0
0 0 0
3.3 3.3 0 3.3 0 0
1.6
0.7
0.7
2.5
0
2.5
0.5
0.7
0.5
1.6
1.2
1.2
3.3
1.5
1.2
0
0.1
5.1
0.7
5.1
0.7
0
5.1
0.5
0.5
5.1
0.7
0
0
0.5
-4.9
-4.9
1.0
0
1.0
5.1
B-1
A-4
D-VIDEO
De-INTERLACER
SDRAM
VIDEO ENCODER
D/A
A/D
VIDEO DETECTOR
MICROPROCESSOR
(VIDEO)
No replacement part available.
サービス部品供給なし
IC133: LA73053-TLM-E
Analog dual operational amplifier
35 N.C.
33 VOUT1
31 VOUT2
30 N.C.
29 VOUT3
32 GND
36 N.C.
34
+VCC1
2 N.C.
4 DCCNT1
6 VIN2
7 MUTE1
8
VIN3
5 GND
1 N.C.
3 VIN1
27 -VCC2
25 +VCC2
23 GND
22 VOUT5
21
N.C.
24 VOUT4
28 -VCC1
26 N.C.
10 N.C.
12 VIN4
14 GND
15 VIN5
16 MUTE2
13 DCCNT2
9 N.C.
11 N.C.
19 -VCC3
20
VOUT6
18 -VCC4
17
VIN6
DR 6dB
+Vcc
DR 6dB
DR 6dB
DR 6dB
+Vcc
DR 6dB
DR 6dB
CLKIN_A
CLKIN_B
HSYNC
VSYNC
BL ANK
Y7–Y0
C7–C0
S7–S0
TIMING
GENERATOR
PLL
O
V
E
R
S
A
M
P
L
I
N
G
I 2 C
INTERFA CE
D
E
M
U
X
STAN DARD DEFINITION
CONTROL BLOCK
COLOR CONTROL
BRIGHTNESS
DNR
GAMMA
PROGRAMMABLE
FILTERS
SD TEST PA TTERN
HIGH DEFINITION
CONTROL BLOCK
HD TEST PA TTERN
COLOR CONTROL
ADAP TIVE FILTER CTRL
SHARPNESS FILTER
PROGRAMMABLE
RGB MATRIX
11-BIT
DAC
11-BIT
DAC
11-BIT
DAC
11-BIT
DAC
11-BIT
DAC
11-BIT
DAC
ADV7322
IC138 : ADV7322KSTZ
Multiformat 11-bit HDTV video encoder
IC137 : ADV7401BSTZ-80
Multiformat SDTV/HDTV video decoder and RGB graphics digitizer
IC136 : SN74LVC2G125DCUR
Dual bus buffer gate
1
2
3
4
8
7
6
5
1OE
1A
2Y
GND
VCC
2OE
1Y
2A
1A 1Y
1OE
1
6
2A 2Y
2OE
7
3
6
3
1 DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC140-145, 175-177 : SN74LVC245APWR
Octal bus transceivers with 3-state outputs
IC149 : W9816G6CH -7
512k x 2 banks x 16 bits SDRAM
CLOCK
BUFFER
ADDRESS
BUFFER
CLK 35
18
CKE 34
A10 20
CS
17 RAS
16 CAS
15 WE
21 A0
〜
24 A3
27 A4
〜
32 A9
19 BA
2 DQ0
3 DQ1
5 DQ2
6 DQ3
8 DQ4
9 DQ5
11 DQ6
12 DQ7
39 DQ8
40 DQ9
42 DQ10
43 DQ11
45 DQ12
46 DQ13
48 DQ14
49 DQ15
14 LDQM
36 UDQM
COMMAND
DECODER
REFRESH
COUNTER
REFRESH
COUNTER DQ
BUFFER
COLUMN
COUNTER
MODE
REGISTER
CONTROL
SIGNAL
GENERATOR
CELL ARRAY
BANK #0
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #1
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
IC160 : NJM2885DL1-25
Low dropout voltage regulator
Thermal
Protection
Bandgap
Reference
VOUT VIN
GND
1 3
2
IC158 : NJM2391DL1-33
Low dropout voltage regulator
V OUT
Thermal
Protection
Bandgap
Reference
VIN
GND
1 3
2
IC162 : NJM2845DL1-18
Low dropout voltage regulator
IC146 : MS2-N
Video Processor
NRF
DI
PMR
ACE IEF STE TCC
Test
Gen
Test
Gen
BT.656
4:4:4,
4:2:2 or
BT.656
Auxiliary
Input
Auxiliary
Output
Clock
Generator
SDRAM
Controller
1M x 16-bit SDRAM
CPU Control
Video Input
Interface
I 2 C / 4-wire
CPU Interface
ACE
Measuremant
Sync
Separator
&
Coast Gen
Output
Path
Video
Output
Control
Output
CSC
(YUV to RGB)
CSC
(RGB to
YUV)
MUX
P
o
rt
B
P
or
t A
VIF Filter
RGB LUT
Output f
o
rmatter
MS2 Controller
V DD
CE
1
2, 5 3
6
Vref
Current Limit
V OUT
GND
IC180 : R1131N181D
Voltage regulator
IC148 : M30845MW-001-GP
Single chip 16/32-bit microprocessor
Port P0 Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
Po
rt P7
Port P14 Port P15 Port P11 Port P12
Po
rt P1
0
Po
rt P9
Po
rt P8
P8
5
Port P13
R0H R0L
R1H R1L
R2
R3
A0
A1
FB
SB
NOTES:
1. Ports P11 to P15 are provided in the 144-pin package only.
2. Included in the 144-pin package only.
FLG
INTB
ISP
USP
PC
SVF
SVP
VCT
Multiplier
M32C/80 series CPU Core
Clock Generation Circuit
XIN - XOUT
XCIN - XCOUT
On-chip Oscillator
PLL Frequency Synthesizer
A/D Converter:
1 circuit
Standard: 10 inputs
Maximum: 34 inputs
(2)
UART/Clock Synchronous Serial I/O:
5 channels
CRC Calculation Circuit (CCITT):
X16+X12+X5+1
X/Y Converter:
16 bits x 16 bits
D/A Converter:
8 bits x 2 channels
Peripheral Functions
<
V
CC2
> <
V CC1
>
<
V
CC
1 >
ROM
RAM
Memory
< V
CC1
> < V
CC2
>
7 8 5 8 8
(Note 1)
8
8
7
8 8 8 8 8 8 8
8
DMACII
DMAC
Watchdog Timer (15 bits)
CAN Module: 1 channel
Intelligent I/O
Time Measurement: 8 channels
Waveform Generating: 8 channels
Communication Functions:
Clock Synchronous Serial I/O, UART,
HDLC Data Processing
Timer (16 bits)
Timer A: 5 channels
Timer B: 6 channels
Three-Phase Motor Control Circuit
V DD
C
D
R D
1 2
3
5
Vref
OUT
GND
IC179 : R3112N421A-TR-F
Low voltage detector with output delay
IC156, 157 : NJM2885DL1-33
Low dropout voltage regulator
Thermal
Protection
Bandgap
Reference
VOUT VIN
GND
1 3
2
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC163 : SN74AHCT08PWR
Quadruple 2-input positive-AND gates
Vcc 14 1A 1
IC172 : SN74AHCT1G125DCKR
Single bus buffer gate
1
2
3
OE
A
GND 4
5 VCC
Y
POINT A-4 Pin 38 of IC137
POINT B-1 Pin 20 of IC148
to A-VIDEO_CB202
P
age 113
F1
to A-VIDEO_CB201
P
age 113
E1
to A-VIDEO_CB204
P
age 114
I4
to FL (2)_CB957 P
age 118
D2
to PO
WER (3)_W40
P
age 112
G3