Yamaha AX-V465, Service Manual

Page: 120 / 147

★
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.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
● ⚠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。
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V465/HTR-6240/AX-V465
120
VIDEO 2/3
CB347 CB343
W3401
CB342
CB343
CB344
CB345
W3402
CB331
W3302
CB334
CB349
IC331
IC334
IC333
IC332
IC321
CB321
CB322
CB335
CB332
CB333
9.0
9.7
0
5.0
9.5 5.0 3.3
0
9.8
-0.5
0
-0.5
0
9.7
11.1
0
-4.9
-5.5
-5.5
-0.6
0
0
-6.1 -6.1
-9.4
0
9.5
-9.4
0
4.6
-38.6
0
0 -48.5
-0.5
4.1
9.8
-0.5
3.9
-9.4
-48.5
-38.6
-38.0
12.0 12.0 12.0 12.0 -12.0
-11.6 -11.6 -11.6 -11.6 -11.6
3.3
0
0
3.3
0
0
3.4
0
0
3.3
0 12.0
12.0 12.0 12.0
0 0 0 0
0
0
12.1
0
12.0 12.0 12.0 12.0 12.0
12.1
-12.0
AC14.9 AC8.6
CENTER
SURROUND L
FRONT L
REFERENCE
VOLTAGE
CIN FLOUT VREF
VREF
ANTIALIASING
FILTER
57kHz
BPF
(SCF)
SMOOTHING
FILTER
MPXIN
+3V
Vdda
Vssa
PLL
(57kHz)
CLOCK
RECOVERY
(1187.5Hz)
+3V
Vddd
RDS-ID/
READY
RST
Vssd
DATA
DECODER
XOUT XIN
TEST TEST
CLK(4.332MHz)
OSC
RAM
(128bits)
RDDA
RDCL
RDS-ID
DETECT
MODE
IC321: LC72725KM-UY-TLM-E
RDS signal demodulation IC
CIN TEST
Vssd
MODE
Vddd
XIN
XOUT
RST
RDCL
FLOUT
RDS-ID/READY
RDDA
VREF
MPXIN
Vdda
Vssa
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16 1
IC334 : NJM2388F05
Low dropout voltage regulator with ON/OFF control
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V IN
Cont
GND
V
OUT
Over Current
Protection Thermal
Protection
IC331 : NJM2396F05
Low dropout voltage regulator with ON/OFF control
1 V
IN
2 V
OUT
4
ON/OFF
Control
3
GND
Control circuit
SPEAKERS
FRONT
CENTER
SURROUND
VIDEO (6)
VIDEO (1)
(B, G, E, F models)
RDS DECODER
to DIGITAL_CB25
Page 112 I2
to OPERATION (6)_CB473
to POWER TRANSFORMER
Page 115 J8
to OPERATION (2)_CB460
to AM/FM TUNER
Page 116 H7
to OPERATION (3)_CB477
Page 115 L5
to MAIN (1)_CB100
Page 117 H5
to MAIN (1)_CB102
Page 117 H7
to MAIN (1)_CB105
Page 117 H9
to MAIN (1)_CB101
Page 117 H5