Yamaha RX-Z7 Service Manual page 9

A B C
A-VIDEO 1/2
1
2
J model
3
4
5
6
7
8
J model
9
10
D E F
Page 161
to D-VIDEO (1)_CB701
8.9
8.9
INPUT
0
8.9
and LINE
0
0dB
0
8.9
SELECTOR
0
8.9
LINE
0
SELECTOR 0
0.1
0.4
0.4 0.1
0 0.1
0
0
0 9.0
5.0 0
5.0
4.9
0 0
6.3
0
0
2.1
0
FREQUENCY COUNTER
4.3
4.4
4.4
4.3
3.7
4.3
4.4
3.6
4.4
4.3
3.7
4.3
4.4
3.7
4.4
4.3
3.7
POWER SAVE
3.6 3.1
3.6
0 3.6 4.9
0 -4.9
5.1 0
0 -4.9
5.1 0
0 -4.9
5.1 0
G H
A3 Page 161 A2
to D-VIDEO (1)_CB700
E
POINT E XL201 (Pin 9 of IC202)
I J K
to A-VIDEO 2/2
IC202: TA1318AF
SYNC processor, frequency counter IC for TV component signals
DAC3
DAC3
TEST
HD2 IN
IC203: NJM2581M
Video amplifier
VIN1 1
2
NEE1
VIN2 3
VEE2 4
VIN3 5
VEE3 6
PowerSave 7
to A-VIDEO 2/2
IC207: NJM2566AV
6-channel video amplifier for DVD
SCIN
SYIN
Y IN
Pb IN
Pr IN
L M N
RX-Z7/DSP-Z7
IC201: NJW1321FP1
2
Wide band video switch with I C bus
Y/ R IN1
6dB Y/R OUT1
Y/ R IN2
Y/ R IN3
Y/ R IN4
6dB Y/R OUT2 38 25
GND 39 24 Pb OUT2
Pr IN4 PORT0
V+ PORT1
Pb/G IN1
Y IN3 Pr OUT2
6dB Pb/G OUT1 GND V+
Pb/G IN2
Pb IN3 VREF
Pb/G IN3
V+ DGND
Pr IN3
Pb/G IN4 GND
6dB Pb/G OUT2
GND SD A
Y IN2 48 15 SC L
1 14
Pr/B IN1
6dB Pr/B OUT1
Pr/B IN2
Pr/B IN3
Pr/B IN4
6dB Pr/B OUT2
PORT 0 ADDRESS
PORT 1 SDA
PORT 2 SCL
2
I C BUS AUX 0
PORT 3
V+ AUX 1
AUX 2
GND BIAS
VREF AUX 3
DGND
VD2 OUT VD1 OUT NC SYNC1 IN DAC1 SYNC2 IN Address SW SCL SDA NC HD2 OUT Digital GND NC HD1 OUT
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
2
INV INV SYNC DAC1 SYNC I CBUS INV INV
SW SW SW SEPA SW SEPA Decoder SW SW
DAC3 DAC1
DV2 OUT DV1 OUT HD2 OUT HD1 OUT
SW SW SW SW
V Input V FREQ
V C/D
SW SW
H/V
V FREQ
FREQ
Counter V SYNC DET SW
Clamp
CP
Pulse
DAC2 SW
DAC2 V HD
H/C
2 u f H
SYNC SW Integral Polarity
H FREQ H INPUT
H AFC H C/D H Ramp
DET SW SW
H FREQ
HVCO
SW
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
VD2 IN HD1 IN VD1 IN Analog GND NC AFC Fi ter NC HVCO V NC CC DAC2 VD3 IN HD3 IN CP OUT
IC204, 205: TC74HC4052AF
Analog multiplexer/demultiplexer
INH VCC
6 16
6dB 75
Driver 14 V+1
AMP
A 10 LEVEL BINARY TO 1-OF-4
BIAS
B CONVER TER DECODER WITH INHIBIT
13 VOUT1 9
GND
8
75 VEE 7
6dB 12 V+2
AMP Driver
0X 12 SW
BIAS 1X 14 SW
11 VOUT2
13 X-COM
2X 15 SW
6dB 75
Driver 10 V+3 3X 11 SW
AMP
0Y SW
1
BIAS
9 VOUT3
1Y 5 SW
3 Y-COM
2Y
2 SW
REF 8 GND
3Y 4 SW
INHIBIT B A
0 0 0 0x, 0y
0 0 1 1x, 1y
0 1 0 2x, 2y
0 1 1 3x, 3y
1 X X NONE
V+ GND
S1
SDC SDC OUT
S2
6dB 75 ohms Driver
6.75MHz
SC OUT
LPF
BIAS
MIX 6dB 75 ohms Driver
V OUT
6.75MHz
VIN
LPF
CLAMP
6dB 75 ohms Driver
6.75MHz
SY OUT
LPF
CLAMP
6dB 75 ohms Driver
13.5MHz
Y OUT
LPF
CLAMP
30MHz
\ BIAS
LPF
6dB 75 ohms Driver
13.5MHz
Pb OUT
LPF
BIAS
30MHz
LPF
6dB 75 ohms Driver
13.5MHz
Pr OUT
LPF
BIAS
30MHz
LPF
MIX CB LPF PS1 PS2
SW SW SW
159