Yamaha RX-Z11 Service Manual page 173

A B C
AVIDEO 1/3
1
2
3
4
5
(J model)
6
7
8
LINE SELECTOR
9
10
D E F
FREQUENCY COUNTER & LPF
5.0
-4.7
2.8
0 0
2.8 2.1
0 1.6
2.2
2.2
0 0
0
1.5
1.8 4.9
0
2.7
0
2.8 A-2
0 0.9
2.2 0.9
4.5
3.5
4.5
4.5
4.2
3.5
IC101
(J model)
4.5
4.5 3.5
4.5
4.3
3.5
IC101
4.5
3.8
4.5
4.5
4.2
3.8
IC101
SIGNAL DETECT
IC108
4.9
2.5 2.5
2.5 2.4
0 0
0.7
4.9
0
4.9
0 0
0
8.9 8.9
0 0
8.9
0 0
8.9 8.9
IC101
0
8.9 8.9
0
0 0
0
0.4 0
0
0.4 0.4
0 5.0
0
INPUT & LINE SELECTOR
POINT A-2 XL101 (Pin 21 of IC103)
G H I
Page 176 H3 Page 176 H5
to DVIDEO (1)_CB801 to DVIDEO (1)_CB802
0
4.2
0
5.0
0 IC104
IC107
0
0
5.0
0
IC107
0
0
5.0
0
IC107
0
0
3.3
5.0 3.2
3.3
5.0 3.2
Page 174 J3
to AVIDEO (2)_CB155
4.5
4.5 3.4
4.5
4.2
0
IC102
4.5
4.5 3.4
4.5
4.2
0
IC102
4.5
4.5 3.4
4.3
4.2
0
IC102
W1002
0
0
0
0
0
3.4
3.4
0
3.4
MUTE
IC131
IC131
8.9
IC131
8.9
0
IC102
0
(U, C, R, T, K, A, B, G, E, L models)
0
0
0
0
MAIN OUT/ZONE OUT SELECTOR
IC105-107, 131: FHP3350IM14X IC108: TC74VHCU04FT
Triple voltage feedback amplifier Hex inverter
NC or DISABLE1 1
14 OUT2 1A 1 14 VCC
2 13
NC or DISABLE2 -IN2
NC or DISABLE3 3 12 1Y 2 13 6A
+IN2
+Vs 4 11 -Vs
2A 3 12 6Y
+IN1 5 10 +IN3
-IN1 6 9 -IN3
2Y 4 11 5A
OUT1 7 8 OUT3
5 10
3A 5Y
3Y 6 9 4A
GND 7 8 4Y
J K L
Page 176 H6
to DVIDEO (1)_CB803
Page 174 I2
to AVIDEO (2)_CB151
4.2 4.7
5.0 4.7
MUTE
4.7
0 0
IC105
0
4.7
0
IC105
0
0
4.7
0
IC105 0
0
MUTE
4.7
0 0
IC106
0
4.7
0
IC106 0
0
4.7
0
IC106 0
0
5.0 5.0
-4.7 -4.7
W1001
9.0
5.0 Page 174
-4.9
0 to AVIDEO (2)_CB153
AVIDEO (1)
IC111, 112: TC74HC4052AF
Analog multiplexer/demultiplexer
INH VCC
6 16
INHIBIT B A
0 0 0 0x, 0y
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
LEVEL BINARY TO 1-OF-4 0 0 1 1x, 1y
A 10
B 9 CONVERTER DECODER WITH INHIBIT 0 1 0 2x, 2y # Components having special characteristics are marked s and must be replaced
GND 8 0 1 1 3x, 3y
1 X X NONE
VEE 7 with parts having specifications equal to those originally installed.
0X 12 SW
# Schematic diagram is subject to change without notice.
1X 14 SW
13 X-COM
2X 15 SW
3X
11 SW
0Y 1 SW
A Y
1Y 5 SW
Y-COM
L H 3
2Y 2 SW
H L
3Y 4 SW
M N
RX-Z11/DSP-Z11
IC101, 102: 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
Pb/G IN1
6dB Pb/G OUT1
Pb/G IN2
Pb/G IN3
Pb/G IN4
6dB Pb/G OUT2
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
I 2 C BUS
PORT 3 AUX 0
V+ AUX 1
GND BIAS AUX 2
VREF AUX 3
DGND
38 25
GND 39 24 Pb OUT2
Pr IN4 PORT0
V+ PORT1
Y IN3 Pr OUT2
GND V+
Pb IN3 VREF
V+ DGND
Pr IN3
GND
GND SDA
Y IN2 48 15 SCL
1 14
(J model)
IC104: LA73053-TLM-E
Analog dual operational amplifier
N.C. 1 36 N.C.
N.C. 2 35 N.C.
VIN1 3 34 +VCC1
+Vcc
DCCNT1 4 6dB DR 33 VOUT1
GND 5 32 GND
VIN2 6 31 VOUT2
6dB DR
7
MUTE1 30 N.C.
VIN3 8 VOUT3
29
6dB DR
N.C. 9 28 -VCC1
N.C. 10 27 -VCC2
N.C. 11 26 N.C.
VIN4 12 25 +VCC2
+Vcc
DCCNT2 13 6dB DR 24 VOUT4
14
GND 23 GND
VIN5 15 VOUT5
22
6dB DR
MUTE2 16 21 N.C.
VIN6 17 20 VOUT6
6dB DR
-VCC4 18 19 -VCC3
IC103: TB1308FG (DRY)
Component SW, sync separation and H/V frequency counter IC for TVs
IICBUS
LINE1
DET
SYNC TIP
VD2-IN 25 BIAS 14 Y2/G2-IN
/BIAS
LINE2
DET
HD2-IN 26 BIAS 13 LINE2-2
LINE3
Cb2/B2-IN
ADDRESS 27 IICBUS DET BIAS 12
SW LINE3-2
SYNC_OUT 28 DET 11
29 BIAS 10 Cr2/R2-IN
VD-OUT POL H-C/D
L2 V SEP
V-C/D
HD-OUT 30 POL FREQ COUNT 9 SW LINE2
SYNC SW
DUMMY SYNC
SYNC SW H/V
SYNC TIP
H Vcc 31 SEP 8 SYNC1-IN
CLAMP
+6dB AMP BAND
Y-OUT 32 7 NC
MUTE WIDTH
YCbCr SW
H GND 33 6 LINE1-1
+6dB AMP BAND SYNC TIP
CB-OUT 34 5 Y1/G1-IN
MUTE WIDTH /BIAS
YCbCr SW
Vf0ADJ 35 4 LINE2-1
+6dB AMP BAND Cb1/B1-IN
Cr-OUT 36 BIAS 3
MUTE WIDTH
NC YCbCr SW 2 LINE3-1
37
SYNC TIP
(SYNC3-IN) 38 BIAS 1 Cr1/R1-IN
CLAMP
173