Yamaha HTR-4063, Service Manual

Page: 110 / 137

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-V467/HTR-4063
110
VIDEO 2/3
★
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あります。
CB347
W3401
CB342
CB343
CB344
CB345
CB348
W3402
CB349
CB331
W3302
CB334
CB333
CB332
CB335
CB322
CB321
JK321
IC321
IC333
IC334
IC331
W3301B
W3301A
IC332
CENTER
SURROUND L
FRONT L
0
0
0
0
-1
1.9
1
2.1
0 0 0 0 0 0 0 0 0 0 0 0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17.7
12.1
0
-12.1
0
0
12.1
12.1
-11.9
12.1
3.3
0
0
0 3.3
0
0
0
0
12.0
-12.1
12.0
-12.1
12.1
-12.1
-11.9
-12.1
12.1
3.3
0
0
12.1
0
12.0
12.1
0
12.0
3.3
3.3
0.3
3.3
0
0
0
0
3.3
0
3.3
3.3
3.3
0
0
0
3.3
1.2
0
0
0
0
9.0 11.5
9.8
9.8
0
3.3
3.3
0.2
3.3
0
0
9.0
0
0
0
0
0
0
3.3
1.1
0
0
-0.4
-0.4
9.9 5.0
0
3.3
5.0
0
0
-0.5
-6.1
-9.9
-5.5
-9.9 -4.9
-5.5
0
9.9
-9.9
0 0
9.9
-0.4 -0.4
0
4.1
9.9
-0.4
4.2
-52.3
-52.3
-38.2
-38.2
0
-38.6
0
0 0 0 4.1 4.2 -38.6
AC8.6 AC15.8
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
VIDEO (6)
VIDEO (1)
To POWER TRANSFORMER
(B, G, F models)
SPEAKERS
FRONT
CENTER
SURROUND
to DIGITAL_CB25
Page 102 I2
to OPERATION (1)_CB405
Page 105 H2
to OPERATION (2)_CB460
Page 106 K9
to OPERATION (3)_CB472
Page 105 M5
to MAIN (1)_CB102
Page 107 H4
to MAIN (1)_CB101
Page 107 H5
to MAIN (1)_CB100
Page 107 H4
to MAIN (1)_CB105
Page 107 H9
To AM/FM TUNER
DRAFT