Yamaha HTR-5063 Service Manual page 103

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VIDEO (1)
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3.3
W3401
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CB342
CENTER
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CB343
SURROUND
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CB344
CB345
17.7
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D E F
IC321: LC72725KM-UY-TLM-E
RDS signal demodulation IC
+3V
Vdda
REFERENCE
VOLTAGE
Vssa
MPXIN
ANTIALIASING
FILTER
TEST TEST
SURROUND BACK L/R /
12.1 12.1 12.1 12.1 12.1
12.1 0 0 0 0
-11.9 12.0
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IC331: NJM2396F05
Low dropout voltage regulator with ON/OFF control
V
IN
VREF FLOUT CIN +3V
ON/OFF
Vddd
CLOCK Control
PLL
RECOVERY
(57kHz)
(1187.5Hz)
Vssd
VREF
57kHz
BPF
SMOOTHING DATA RDDA
(SCF) DECODER
FILTER IC334: NJM2388F05
RDCL
Low dropout voltage regulator with ON/OFF control
RAM
MODE
(128bits)
V
RDS-ID/READY 1 16 RDCL IN
RST RDDA 2 15 RST
CLK(4.332MHz)
VREF 3 14 XOUT
RDS-ID RDS-ID/
MPXIN 4 13 XIN
DETECT READY
OSC
Vdda 5 12 Vddd
Vssa 6 11 Vssd
XIN XOUT 7
FLOUT 10 MODE
ON/OFF
Cont
CIN 8 9 TEST control
GND
(B, G, F models)
IC321
FRONT
L/R
SPEAKERS
CENTER
SURROUND
L/R
BI-AMP L/R 9.9
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-9.8
CB349
3.4
3.4
3.4
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AC8.6
AC15.8
J K
1 2 V
OUT
4 Control circuit
3
GND
V OUT
Bandgap
Reference
Over Voltage Thermal Over Current
Protection Protection Protection
11.5 9.1
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IC332
IC333
IC334
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-6.1
-6.1
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IC331
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★ 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.
L M N
RX-V567/HTR-5063
JK321
CB321
3.4
3.4
3.4
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9.1
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CB322
CB335
CB332
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-3.4
VIDEO (6)
To POWER TRANSFORMER
CB333
Page 98 H2
to OPERATION (1)_CB405
● 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あります。
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