A
B
C
D
E
F
G
H
1
2
3
4
5
6
I
J
K
L
M
N
7
8
9
10
87
RX-V750/DSP-AX750/DSP-AX750SE
RX-V650/HTR-5760
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to
those originally installed.
* Schematic diagram is subject to change without notice.
■
SCHEMATIC DIAGRAM (CONVERSION)
INPUT
SELECTOR
ZONE 2
SELECTOR
PHONO MM
EQ AMP
COMPONENT
CONVERSION
1H
DELAY LINE
REGULATOR
Y/C
SEPARATER
REGULATOR
VIDEO
AMP
COMPONENT
SELECTOR
REGULATOR
ANALOG IN
(DVD)
5.0
0
0
0
0
0
5.0
0
5.0
0
5.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
–4.9
–4.9
–4.9
–4.9
4.9
0
0
0
0
0
0
4.9
4.9
4.9
0
0
0
0
0
0
4.9
4.9
2.5
2.5
2.5
2.4
2.5
2.5
2.4
2.5
4.9
2.5
2.5
4.8
4.8
1.6
4.8
4.9
4.8
4.8
4.8
1.8
1.4
1.8
1.7
2.2
2.2
4.2
4.2
3.4
4.8
4.8
1.2
1.4
0.6
1.9
4.8
1.6
2.2
4.2
4.2
3.4
4.8
4.8
1.2
1.4
0.6
1.9
2.2
2.5
3.1
3.1
0
0
0
0
0
18.9
18.9
18.2
4.9
0
0
0.1
9.0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
–4.9
0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
0.5
–2.7
0
4.8
3.3
1.1
4.9
4.9
–4.9
–10.9
5.0
10.9
10.9
10.9
–
10.9
–
11.0
–10.9
–11.7
–
11.3
0
0
0
0
0
3.4
–3.3
–3.3
–4.9
0
0
0
0
0
0
4.8
1.1
3.4
1.1
0
0
0
0
0
–4.9
0
4.9
4.9
4.9
4.9
2.6
4.9
0
4.9
1.5
0.1
0.1
6.1
2.6
7.5
5.9
0
0
0
3.9
1.8
3.3
2.4
4.9
2.0
0.1
0.1
5.7
5.7
5.7
5.7
5.6
5.6
4.1
0
0
0
0
0
1.1
4.4
4.4
9.0
9.0
0
0
0
11.4
0
0
0
–11.3
7.0
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
0
–7.0
7.0
7.6
7.6
–
7.6
–
7.6
–7.0
–11.7
0
0
11.8
6
5
1
2
3
8
5
6
4
7
3
2
8
1
7
4
5
6
X: NOT USED
O: USED / APPLICABLE
Page 80 A-2
TO FUNCTION (6) CB404
Page 80 A-1
TO FUNCTION (6) CB403
Page 86 I-3
TO POWER (1) W352
Page 81 H-10
TO FUNCTION (8) CB422
Page 81 I-4
TO FUNCTION (2) CB512
Point
t
(Pin 3 of IC711)
V : 2V/div, H : 100
µ
sec/div
DC, 1 : 1 probe
0V
Point
y
(Pin 12 of IC711)
V : 2V/div, H : 100
µ
sec/div
DC, 1 : 1 probe
0V
IC713 : PQ05RD11
Rgulator
IC710 : TA8772AN
Delay System for Color TV or VCR
VIN
VO
CV
GND
4
3
2
1
I C
Clock
CCD 1H
REF
S/H
CCD 1H
REF
S/H
Bip. Block
CCD Block
30
R-Y OUT
x1 or x1/2
Pulse
Remove
29
B-Y OUT
x1 or x1/2
Pulse
Remove
AGC
Det
27
R-Y IN
28
B-Y CLAMP
DET.
Clamp
Pulse
Ins.
Pulse
HP. GP
225fH
VCO
LPF
AGC
Clamp
26
B-Y IN
25
MODE SW2
24
MODE SW1
23
B-Y FROM
CCD
22
R-Y FROM
CCD
21
GND
20
VGG
19
VOUT1
18
VDB1
17
VDB2
16
1
2
4
3
5
6
7
8
9
10
11
12
13
14
15
VOUT2
R-Y CLAMP
DET.
R-Y TO
CCD
R-Y AGC
DET.
B-Y TO
CCD
VCC
FILTER
ADJ.
S.C.P. IN
B-Y AGC
DET.
PLL
DET.
CLOCK
CLOCK IN
VSS
VIN1
VDD
VIN2
Clamp
Pulse
Ins.
AGC
Det
LPF
AGC
Clamp
Ave
Bias
Det
1/225
IC833 : NJM2068MD-TE2
Dual OP-Amp
–
+
OUT1
–IN1
–VCC
+VCC
OUT2
1
2
3
4
5
+IN1
–IN2
+IN2
–
+
6
7
8
IC831, 832 : BD3841FS
Function Switch
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
DGND
F-SW2
CL
DA
VEE
GND
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
+
–
+
–
+
–
+
–
IC709 : TK15420MTL
Video Amp
–
+
OUT1
–IN1
–VCC
+VCC
OUT2
1
2
3
4
5
+IN1
–IN2
+IN2
–
+
6
7
8
IC703 : NJM2581M
Video Amp
13
VOUT1
11
VOUT2
9
VOUT3
8
GND
10
V+3
14
V+1
12
V+2
2
NEE1
4
VEE2
6
VEE3
7
PowerSave
5
VIN3
1
VIN1
3
VIN2
75
Driver
6dB
AMP
BIAS
75
Driver
6dB
AMP
BIAS
75
Driver
6dB
AMP
BIAS
REF
IC711 : TA1270BF
Sync Processing System
32fH
VCO
NOSE
DET
H. AFC
35
DAC TEST
36
GND
VCX0
V
SEP
CW
MATRIX
34
SDA
33
SCL
32
Ys
31
R-Y1 IN
30
B-Y1 IN
29
Y1 IN
28
I2C GND
27
R-Y2 IN
26
B-Y2 IN
25
Y2 IN
4
3
5
6
7
8
9
10
11
12
13
14
15
APC
3.58MHz
X'tal
37
Y OUT
38
DAC2
2
1
M-X'tal
4.43MHz
X'tal
C GND
C IN
V-SEP
SYNC
IN
SYNC
OUT
H. AFC
SYNC
GND
32fH
VCO
VD OUT
HD OUT
SCP OUT
16 Dig GND
17 CP/HP IN
18 SYNC Vcc
(9V)
19 SW Vcc
(9V)
20 Y/G OUT
21 B-Y/B OUT
22 R-V/R OUT
23 ADRS SW
24 SW GND
48
R-Y/Cr OUT
47
B-Y/Cb OUT
46
SECAM CONT
45
1HDL CONT
44
fsc OUT
43
UV/CbCr SW
42
C Vcc
(5V)
41
DAC Vcc
(5V)
40
Y IN
39
DAC1
LPF / fsc
TRAP
CbCr / UV
SW
SECAM
CONTROL
ACC
fsc
APC
DAC2
Ys
TOF
SYSTEM
SW
P/N ID
DAC
TEST
DEMO
OFFSET
SW
TINT
SYNC
SEP
SUB
COLOR
CP/HP
IN
CHROMA
BLK
BPF
SW
SW
1H DL
CONTROL
PEDESTAL
CLAMP
DAC1
SCP
SW
H C/D
V C/D
Y DL
Y DL
fsc
TRAP
SUB.
CONTRAST
YUV
RGB
MATRIX
Y OFFSET
SW
PEDESTAL
CLAMP
PEDESTAL
CLAMP
HI : 2ch/LOW : 24h
I2C BUS
CONTROL
IC701, 702, 704 : TC74HC4052AF
Analog Multiplexers/Demultiplexers
16
VDD
6
INHIBIT
10
A
9
B
8
VSS
7
VEE
12
X0
14
X1
15
X2
11
X3
1
Y0
5
Y1
2
Y2
4
Y3
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13
X
3
Y
INHIBIT
0
0
0
0
1
B
0
0
1
1
X
A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE
IC708 : TC74HC4053AF (EL)
Analog Multiplexers/Demultiplexers
16
VDD
LOGIC LEVEL
CONVER
TER
12
OX
7
VEE
6
INH
OUT C IN
13
IX
OUT C IN
2
OY
OUT C IN
1
IY
OUT C IN
5
OZ
OUT C IN
3
IZ
OUT C IN
4
Z-COMMON
15
14
X-COMMON
Y-COMMON
9
C
10
B
11
A
8
VSS
INHIBIT
(Pin 6)
L
L
L
L
L
L
L
L
H
CONTROL INPUTS
“ON” CHANNEL
0X (Pin 12), 0Y (Pin 2), 0Z (Pin 5)
1X (Pin 13), 1Y (Pin 1), 1Z (Pin 3)
0X, 0Y, 0Z
1X, 0Y, 0Z
0X, 1Y, 0Z
1X, 1Y, 0Z
0X, 0Y, 1Z
1X, 0Y, 1Z
0X, 1Y, 1Z
1X, 1Y, 1Z
NOTE
C
(Pin 9)
L
L
L
L
H
H
H
H
*
B
(Pin 10)
L
L
H
H
L
L
H
H
*
A
(Pin 11)
L
H
L
H
L
H
L
H
*
* Don’t Care
1A
1Y
2Y
V
DD
6A
1
2
3
4
11
2A
6Y
5A
12
13
14
3A
3Y
5Y
4A
5
6
7
V
SS
4Y
8
9
10
IC706, 707 : TC74VHCU04FT
Hex Inverters
IC705 : TC90A49F
3 Line Digita Y/C Separatoy
15
CKIN
17
FIL
24
8 fsc
4 fsc
5
AIN
Y OUT
LINE
MEMORY
C-BPF
LINE
MEMORY
+
–
C-BPF
DYNAMIC COMB FILTER
VERTICAL EDGE
ENHANCEMENT CIRCUIT
ANALOG
THROUGH MODE
C-BPF
KILLER
Y-LPF
ADC
COLOR
Y DAC
C-BPF
Trap
C-LPF
C DAC
1/2
CLAMP
PLL
11
SDA
12
SCL
13
TEST
14
KILLER
I2C BUS
20 C OUT
RX-V750/DSP-AX750/DSP-AX750SE
* 電圧は、内部抵抗10MΩの電圧計で測定したものです。
*
Z
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
* 本回路図は、標準回路図です。改良のため予告なく変更することがございます。
