Yamaha RX-V767, Service Manual

Page: 125 / 164

A
1 2 3 4 5 6 7 8 9
10
BCD
E
F
G
H
I
J
K
L
MN
125
VIDEO 2/3
RX-V767/HTR-7063/RX-A800
★
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。
W3402
W3401
CB349
CB331
W3302
CB342 CB343
CB340
CB344 CB346
W3403
W3404
CB350
CB348
CB347
IC321
W3303B
W3303A
IC332
IC333
CB332
CB333
CB334
CB335 CB332 CB321
JK321
IC331
W3301B
W3301A
IC334
FR
ONT L
CENTER
SURR
OUND L
SURR
OUND
B
A
CK L
5.0
18.4
18.4
17.8
12.0
5.1
12.0 4.5
4.5 17.6
4.5
0 0 0
3.3
0 0 0 0 0 0 0 0 0 0 0 0 0
0 0
18.4 -11.7 0 12.0
12.0
12.0
12.0
12.0
12.0
12.0
0
0 0
00
3.3
4.2
8.4
8.4
4.2
0
0
8.4
0
-8.6
0
0
0
0 5.0
5.0
0
3.3
8.4
0
0
0
0
4.2
4.2
-5.0
-5.6 -5.6
-0.6
-6.1
-6.1
-8.6
-43.4
-38.5
0
-38.5
-37.9
-8.6
0
3.3 3.3
0 0 0 0 0 0 0 0 0
-0.3
0
3.2 3.2 3.4 1.1 3.2 3.2 3.2 3.4
0
-11.7
11.9 3.2
0 0
3.2
0 0
3.2
0 0
3.3
0
12.0
-11.7
11.9
11.9
11.9
11.9
-11.7
-11.7
-11.7
-11.7
-11.7
0
11.9
11.9
11.9
0 0 0
3.4
3.3 1.2
0 0 0 0
-11.7
12.0
0
0
0
0
0
0
0
0
0
0
0
0
3.2
AC13.9
AC7.0
8.4
8.4
3.4
1.3
3.4
3.4 0
0
3.3 3.3 3.3
0
0 0 0 0 0
1.7 3.4
3.1
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
TES
T
Vssd MODE Vddd XIN XO
U
T
RS
T
RDCL
FL
OUT
RDS-ID/READ
Y
RDD
A
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
CTL
1
2
3
4
5
Vcc
GND
TSD
OCP
Vr
ef
- +
Dr
iv
er
V
O
UT
C
IC332
: B
A00JC5WT
-V5
V
olt
age r
egulat
or
TRIGGER OUT
RDS DECODER
VIDEO (1)
VIDEO (6)
To POWER TRANSFORMER
(B, G, F models)
SPEAKERS
FRONT
L/R
CENTER
SURROUND
L/R
SURROUND BACK L/R /
BI-AMP L/R
to OPERATION (1)_CB403
Page 120
I3
to OPERATION (2)_CB457
Page 121
I9
to OPERATION (3)_CB471
Page 120
D10
to OPERATION (8)_CB463
Page 121
H3
to MAIN (1)_CB104
Page 123
H3
to MAIN (1)_W107
Page 122
H3
to MAIN (1)_W116
Page 123
H4
to MAIN (1)_CB103
Page 123
H4
to MAIN (1)_W110
Page 123
H9
to DIGITAL (1)_CB904
Page 118
D9
To AM/FM TUNER (C, R, T, K, A, B, G, F, L, J models) To HD RADIO TUNER (U model)