Yamaha AX-V1065, Руководство по обслуживанию

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2
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8
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10
B C D E F G H I J K L M N
129
VIDEO 2/3
RX-V1065/HTR-6280/AX-V1065
★
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。
CB347
CB350 CB348
W3404 W3403
CB340
CB342
W3401
CB343
CB344
CB345
W3402
CB331
W3302
CB334
CB349
IC331
W3301B
W3301A
IC334
IC332
IC333
IC321
CB321
CB322
CB335
CB332
CB333
JK321
11.9
-11.9
11.9
-11.9
11.9
-11.9
11.9
-11.9
-11.9
-11.9
11.9
0
12.0
0
0
12.0
18.3
-11.9
0
0
0
0
0
0
0
0
0
0
-11.9
12.0
0 0 0 0
0
0
0
0
0
0
12.0
11.9
0
12.0
11.9
0
12.0
11.9
3.3
0
0
0
3.3
0
0
3.3
0
0
3.3
0
0
12.0
-11.9
0
12.0
5.0
0
0
0
0
-0.5
-4.9
-5.5
-5.8
-6.1
-38.0
0
-38.0
-37.5
-29.2
-29.2
-37.5
-42.7
-42.7
0.2
-6.1
-8.5
-8.5
3.5
4.5
0
7.7
-0.4
3.6
0
8.7
-8.5
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
0
0
0
0
0
-0.3
0 0 0 3.5 3.6
3.3
8.7
0
3.3 5.0
7.7
-0.4
0
-0.4
3.3
3.3
3.3
3.3
9.0
3.1
0
0
0
0
0
0
5.3
3.3
3.3
-0.4
-0.4
1.0
0
0
AC13.9 AC7.0
SURROUND
BACK L
CENTER
SURROUND L
FRONT L
CTL
1 2 3 4 5
Vcc GND
TSD OCP
Vref
-
+
Driver
VOUT C
IC332, 333 : BA00JC5WT-V5
Voltage regulator
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
TRIGGER OUT
SPEAKERS
FRONT
CENTER
SURROUND
SURROUND BACK/
BI-AMP
VIDEO (6)
VIDEO (1)
(B, G, E, F models)
(U model)
RDS DECODER
RX-V1065 / HTR-6280 (U model)
to DIGITAL_CB25
Page 120 I2
to OPERATION (6)_CB473
to POWER TRANSFORMER
Page 124 J9
to OPERATION (2)_CB460
to AM/FM TUNER
(C, R, T, K, A, B,
G, E, F, L, J models)
to HD RADIO TUNER
(U model)
Page 125 H7
to OPERATION (8)_CB463
Page 125 K4
to OPERATION (3)_CB477
Page 124 L2
to MAIN (1)_CB104
Page 126 G3
to MAIN (1)_CB103
Page 126 G4
to MAIN (1)_W116
Page 126 G4
to MAIN (1)_W110
Page 126 H9
to MAIN (1)_W107
Page 126 G3