Yamaha RX-V496 Service Manual page 46

A A B B
DSP-R496/RX-V496/RX-V496RDS/HTR-5240/HTR-5240RDS
I PRINTED CIRCUIT BOARD (Foil side)
1 1
#6
FLASH
µ-COM
2 2
WRITE
R,T,A,L
CONNECTOR
only
INPUT SELECTOR
COM
F-TX
F-RX
F-CK
FCE
B
+5BU
MG
/RES
CNVSS
A
J,U,C,R,T only
J,U,C only
J,U,C,R,T,
B,G
A,L
3 3 only
only
J,A,L
only
TUNING
MODE
AUTO/MAN'L MEMORY
MONO MAN'L/AUTO FM
3
Point
START MODE
(Pin 13 of IC501)
PTY SEEK
V : 2V/div H : 50nsec/div
DC range 1 : 1 probe
4 4
0V
2V SAMPLE 50ns
4
Point
CH1 : Emitter of Q504
CH2 : Collector of Q503
V : 5V or 2V/div H : 5sec/div
DC range 1 : 1 probe
CH2
5 5
0V
(CH2)
CH1
0V
5V 2V SAMPLE 5s
(CH1)
With the POWER Disconnect the
switch turned ON, power cord from
connect the the AC outlet.
power cord to the
AC outlet.
This waveform is not available by pushing the
power switch ON and OFF.
E-54/J-50
6 6
C C
TO: INPUT (1)
#6
#6
1 2
INPUT
MODE
FM/AM
PRESET
/TUNING PRESET / TUNING
EDIT
EON RDS MODE
/FREQ. B, G only
G
Semiconductor Location
BASS
Ref. No. Location
D501 E2
D502 G2
D503 G2
D504 E2
D505 F3
E2
D506
D507 E2
D508 G2
D509 G2
D510 G3
D511 G3
D512 G2
IC501 E2
IC502 G2
NJM2068LD
IC581 D5
1 8
IC582 E5
Q501 D2
Q502 D2
Q503 G2
Q504 G3
Q505 F2
Q506 F2
D D E E
P. C. B. OPERATION (1)
TO: MAIN (1)
17 18
22 25 30 35 40
A/B/C/D/E TAPE/MD MON
/EXT. DECODER
3
P. C. B. OPERATION (2)
TREBLE BALANCE
NJM2068LD
1 8
E-55/J-51
F F G G
FROM: OPERATION (7)
W501
#10
W503
43 46 50 55 60 61 64 65
G
VC
VO
EFFECT PROGRAM
P. C. B. OPERATION (3)
VIDEO
TO:
INPUT (1)
#7
W581
+12
–12
TIR
E
TIL
E
TOR
E
TOL
W621
TO: INPUT (1)
H H
TO: INPUT (2)
W502
#28
4
STANDBY / ON
VIDEO AUX
L AUDIO R
#8