Yamaha RX-V2065 Service Manual page 135

A B C
VIDEO 2/3
1
2
Page 131 K4
to OPERATION (8)_CB463
3
0
Page 130 L2
0
0
to OPERATION (3)_CB477
3.3
W3401
FRONT L
4
Page 132 G3
to MAIN (1)_W107
CB342
SURROUND L
CENTER
Page 132 G3
to MAIN (1)_CB104
CB343
SURROUND
5
BACK L
Page 132 G4
to MAIN (1)_W116
CB340
Page 132 G4
to MAIN (1)_CB103
CB344
6 12.0
CB345
17.8
-11.7
Page 132 H9
0
to MAIN (1)_W110 12.1
12.0
0
7
8
IC321: LC72725KM-UY-TLM-E
RDS signal demodulation IC
+3V VREF FLOUT CIN
Vdda
CLOCK
PLL
RECOVERY
REFERENCE
(57kHz)
9 (1187.5Hz)
VOLTAGE
Vssa
VREF
57kHz
MPXIN BPF DATA
ANTIALIASING SMOOTHING
(SCF) DECODER
FILTER FILTER
RAM
(128bits)
CLK(4.332MHz)
RDS-ID
TEST TEST
DETECT
OSC
XIN XOUT
10
D E F
Page 131 L4
to OPERATION (8)_CB464
W3402
FRONT
SPEAKERS
CENTER
SURROUND
SURROUND BACK/
BI-AMP
12.1
12.1 12.1 12.1 12.1
0 0 0 0
CB349
3.3
3.2
12.0
-11.7 3.3 12.0 12.0 12.0 3.4
0
0
0
3.3
0
0
0
0
0
3.3
0
0 3.3
0
3.3
3.3
0
3.3
0 3.3
0
0
0
0 0 3.3
1.2
0
0
0
-0.2
-11.7 12.0 12.0 12.0 12.0
-11.7 -11.7 -11.7 -11.7 -11.7
Page 124
to DIGITAL (1)_CB25
+3V
Vddd
IC331: NJM2396F05
Vssd Low dropout voltage regulator with ON/OFF control
RDDA
1 V V
RDCL RDS-ID/READY 16 RDCL IN 1 2 OUT
RDDA 2 15 RST
ON/OFF
MODE VREF 3 14 XOUT 4 Control circuit
Control
MPXIN 4 13 XIN
RST
Vdda 5 12 Vddd 3
GND
RDS-ID/ Vssa 6 11 Vssd
READY
FLOUT 7 10 MODE
CIN 8 9 TEST
G H
VIDEO (1)
(B, G, E, F models)
RDS DECODER
IC321
W3303B
W3303A
IC332
IC333
3.4
3.4
5.3
8.1
0
0
-8.3
-6.0
-6.0
-5.4
-8.3
-5.4
-8.3
-4.8
IC331
8.6
4.0 4.0
4.5
-0.4
10.4
I2
IC332, 333: BA00JC5WT-V5
IC334: NJM2388F05
Voltage regulator
Low dropout voltage regulator with ON/OFF control
V
IN
Vref -
Driver
+
Bandgap
Reference
ON/OFF
Cont
control
TSD OCP
Over Voltage
Protection
GND
1 2 3 4 5
Vcc GND VOUT C
CTL
I J K
JK321
CB321
3.3
3.3
3.3
0
3.3
0
0
9.0
3.1
0
to AM/FM TUNER
(C, R, T, K, A, B,
G, E, F, L models)
3.4
3.4
0
3.3
3.4
0
3.4
0
0
0
0 to HD RADIO TUNER
(U model)
CB322
CB335
0
0
0
CB332
0
0
0
5.3 5.3
3.3
1.1
0
0 3.3
-0.4
-0.4
IC334
Page 131 H7
to OPERATION (2)_CB460
5.0
0
0
0
-0.6
0
-0.6
To POWER TRANSFORMER
-30.0
-30.6
-37.6
0.2
-43.1 -37.6
-38.2
-38.2
0
VIDEO (6)
AC13.3 AC7.5
V
OUT
Thermal Over Current
Protection Protection
L M N
RX-V2065/HTR-6295
CB333
Page 130 J9
to OPERATION (6)_CB473
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
135