Yamaha RX-V671 Service Manual page 141

A B C
RX-V671/HTR-6064/RX-A710
VIDEO 2/3
1
2
3
Page 135 L4
to OPERATION (3)_CB472
W3401
4
FRONT L
Page 139 H2
to MAIN (1)_W107
CB342
5
CENTER
SURROUND L
Page 139 H3
to MAIN (1)_CB104
CB343
SURROUND
BACK L
Page 139 H4
6
to MAIN (1)_W116
CB340
Page 139 H4
to MAIN (1)_CB103
CB344
CB346
7
Page 139 H9
to MAIN (1)_W110
8
9
10
★ 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.
142
D E F
Page 136 I3
to OPERATION (8)_CB463
W3402
IC333: KIA7805API IC334: NJM2388F05
Voltage regulator Low dropout voltage regulator with ON/OFF control
1 INPUT
V
R22 R17 R23 IN
R1 Q11 Q11-1
Q15
Q16
Q12
Q14 R14
R10 R15
Q17 Q19
R16
R19 Bandgap
R12 3 OUTPUT
Reference
Q18 Q6 R20
Q1
R18
R11 R9
ON/OFF
R7 C1 Cont
Z1 control
R2 Q10
Q2
Q7 R21
R3
Q13
Over Voltage Thermal
Q4
Protection Protection
Q3 Q5 Q9 Q8
R13
R4 R5 GND
R6 R8
2 COMMON (GND)
G H I
VIDEO (1)
FRONT
L/R
SPEAKERS
DRIVERS
CENTER
SURROUND
L/R
SURROUND BACK L/R /
BI-AMP L/R
V
OUT
Over Current
Protection
J K L
to VIDEO 1/3
IC332
IC333
IC334
M N
JK321
TRIGGER
OUT
to AM/FM TUNER
CB323
CB322
CB324
Page 131 E9
to DIGITAL (1)_CB87
to POWER TRANSFORMER
VIDEO (7)