Yamaha RX-V667, Service Manual

Page: 120 / 144

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-V667/HTR-6063/RX-A700
120
VIDEO 3/3
★
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.
W3602
W3601
JK361
JK362
IC391
W3701B
W3702B
W3701A
CB379 CB381
CB382
W3802
W3801
IC353
IC353
IC353
CB375
CB373
CB372
CB374
IC372
IC375
IC371 IC374
W3702A
IC391
IC391
JK391
CB391
CB351
CB352
CB353
CB354
IC353
IC352
IC351
CB378
CB371
Primary side ground
3.2
3.3
3.3
3.3
5.6
5.6
0
0
3.3
2.7
0.4
3.3
0
0
0
0
0
0
0
0.2
0.3
3.3
3.2
0
3.2
0
2.7
0
0
0
0.7
0.7
5.6
5.6
5.6
5.6
5.0
3.9
3.9
0
2.5
0
0
0
(~)
(~)
(17.8)
(17.8) (2.9)
(0)
(165.2) (5.9) (2.9)
(0) (0) (0)
(165.2)
(165.3)
(165.3)
(325.1)
(325.1)
(0)
(71.3)
(70.5)
(17.8)
(0)
(5.9)
0.3
0.3
0.3
0.7
0
0
0
5.6
5.6
0.7
0
0
0
0
0
0
IC391 : TC74VHCU04FT
Hex inverters
VCC
6A
5A
4A
6Y
5Y
4Y GND
3Y
3A
2A
1A
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IC374 : TL431ACLPR
Adjustable precision shunt regulators
Vref
REF
CATHODE
ANODE
IC371 : TOP254PN
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
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)
MULTI-
FUNCTION (M)
KPS(UPPER)
KPS(LOWER)
REMOTE
S VIDEO
AC IN
VIDEO (9)
VIDEO (4)
VIDEO (7)
VIDEO (2)
VIDEO (3)
B, G, F models
U, C, T, K, A, B, G, F models
DETECTOR
CONTROL
SUB-
TRANSFORMER
AV 5
to DIGITAL (1)_CB31
Page 108 E1
to MAIN (4)_W126A, W126B
(R, L models)
Page 116 J6
to DIGITAL (1)_CB73
Page 110 L9
to DIGITAL (1)_CB906
Page 112 H9
to DIGITAL (1)_CB913
Page 112 J8
5 k-ohms
10 W
Notes)
Safety measures
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