Yamaha RX-V467 Service Manual page 110

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RX-V467/HTR-4063
VIDEO 2/3
1
2
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VIDEO (1)
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W3401
5
FRONT L
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Page 107 H5
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to MAIN (1)_CB101
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CB342
6
CENTER
SURROUND L
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Page 107 H4
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to MAIN (1)_CB100
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CB343
7
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Page 107 H4
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CB344
CB345
8 17.7
12.1
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9
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced ●
with parts having specifications equal to those originally installed. 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。
★ Schematic diagram is subject to change without notice.
● 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あります。
110
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12.1 12.1 12.1 12.1
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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、
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IC321: LC72725KM-UY-TLM-E
RDS signal demodulation IC
VREF FLOUT CIN
+3V +3V
Vdda
Vddd
CLOCK
PLL
RECOVERY
REFERENCE (57kHz)
(1187.5Hz)
VOLTAGE
Vssa Vssd
VREF
57kHz
MPXIN BPF DATA RDDA
ANTIALIASING SMOOTHING
(SCF)
FILTER FILTER DECODER
RDCL
RAM
MODE
(128bits)
1
RDS-ID/READY 16 RDCL
RDDA 2 15 RST
RST
CLK(4.332MHz)
VREF 3 14 XOUT
RDS-ID RDS-ID/
MPXIN 4 13 XIN
TEST TEST
OSC DETECT READY
Vdda 5 12 Vddd
Vssa 6 11 Vssd
XIN XOUT FLOUT 7 10 MODE
CIN 8 9 TEST
(B, G, F models)
IC321
FRONT
SPEAKERS
CENTER
SURROUND
0
CB349
3.3
3.3
0.3
3.3
0
0
0
0
3.3
0
3.3
3.3
3.3
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9.9
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4.2
1.2
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-38.6
Page 102 I2
to DIGITAL_CB25
AC15.8 AC8.6
I J K
IC331: NJM2396F05
Low dropout voltage regulator with ON/OFF control
V IN 1 2 V OUT
ON/OFF
Control circuit
4
Control
3
GND
IC334: NJM2388F05
Low dropout voltage regulator with ON/OFF control
V V
IN OUT
Bandgap
Reference
ON/OFF
Cont
control
Over Voltage Thermal Over Current
Protection Protection Protection
GND
11.5 9.0
9.8
9.8
0
IC332
IC333
IC334
9.9
0
5.0
-9.9
0
0 0
-6.1
-0.5
-9.9
-5.5
-5.5
-9.9 -4.9
IC331
4.1
-52.3
-52.3 0
-38.2
-38.2
0
L M N
JK321
CB321
3.3
3.3
0.2
0
3.3
0 To AM/FM TUNER
9.0
0
0
CB322
CB335
CB332
0
0
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3.3
Page 106 K9
1.1
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-0.4
VIDEO (6)
To POWER TRANSFORMER
CB333
Page 105 H2
to OPERATION (1)_CB405