Yamaha RX-V2065 - AV Network Receiver, Руководство по обслуживанию

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A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
139
ACDC
RX-V2065/HTR-6295
★
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.
W6002A
IC601
IC602
IC604
IC603
CB604
IC611
CB611
W6002B
W6001A
W6001B
CB603
Primary side ground
(0)
(165.0)
(163)
(241.5)
(331.6)
(332.5)
(154.9)
(18.2)
(5.9)
5.0
3.9
3.9
0
2.5
(0.2)
(0.3)
(0.2)
(0.3)
0
0.3
(0)
(18.2) (18.2)
(164.9)
(0) (0) (0) (0) (0)
(5.9) (1.3) (2.9)
(2.9)
(68.7)
(67.7)
0.3
0
5.5
5.5
0
0
0.9
0.7
5.5
0
0
5.6
1.5 1.5 3.3
0
3.3
0
IC603 : TL431ACLPR
Adjustable precision shunt regulators
Vref
REF
CATHODE
ANODE
IC601 : TOP255MN
TOPswitch-HX
SOFT START
+ 16
SHUTDOWN
AUTO-RESTART
HYSTERETIC
THERMAL
SHUTDOWN
LEADING
EDGE
BLANKING
CONTROLLED
TURN-ON
GATE DRIVER
CURRENT LIMIT
COMPARATOR
CURRENT
LIMIT
ADJUST
VI(LIMIT)
DCMAX
DCMAX
KPS(UPPER) IPS(UPPER)
IFB
KPS(LOWER) IPS(LOWER)
DMAX
INTERNAL UV
COMPARATOR
INTERNAL
SUPPLY
0
1
SHUNT REGULATOR/
ERROR AMPLIFIER
5.8V
4.8V
5.8V
Z
C
I
FB
V
BG
+V
T
1V
V
C
ON/OFF
STOP
OFF PWM
OVP
LINE
SENSE
V OV/
UV
F REDUCTION
F REDUCTION
CLOCK
SOFT
START
S
R
Q
SOFT START
OSCILLATOR
WITH JITTER
STOP LOGIC
CONTROL (C) DRAIN (D)
SOURCE (S)
SOURCE (S)
VOLTAGE
MONITOR (V)
EXTERNAL
CURRENT
LIMIT (X)
KPS(UPPER)
KPS(LOWER)
ACDC (1)
ACDC (3)
ACDC (2)
U, C, T, K, A, B, G, E, F models
AC IN
SUB
TRANSFORMER
CONTROL
to MAIN (4)_W126A, W126B
(R, L models)
Page 132 I6
to DIGITAL (1)_CB22
Page 124 D2
to VIDEO (3)_CB381
Page 136 G9
5 k-ohms
10 W
Notes)
Safety measures
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