Subwoofer; Subwoofer (Main Sp : Small) - Yamaha RX-V620 Service Manual

A B
RX-V620/HTR-5460/RX-V620RDS
PRINTED CIRCUIT BOARD (Foil side)
1
Semiconductor Location
Ref. No. Location
IC301 F3
IC302 F3
IC303 E4
FROM : INPUT (2)
IC304 C3
IC308 F2
FROM : INPUT (2)
Ref. No. Location
Q307 E2
Q309 F2
2
3
AXR
E
AXL
VE
AUX–Y
AUX–C
AUX–V
DG
+5D
AXD
4
FROM : OPE (1)
5
48
6
C
INPUT ( 1 ) P. C. B.
FROM : DSP
16 30
15 1
CKP
SCKR
CES
SDTR
I/E
VSY
DEST
RDSE
SDRR
CEP
SDTP
SCKP +12
SDRP
TMT –12
/ST
TUNED TIR
INT928
SDD
MG
L
SDM TIL
E
YSSCK
R
CSY
E
/ICD
RL
DMT TOR
E
CSN
RR
MTSW
E
MTC
C
MTMR TOL
LC2
VMT
+12
CEV
–12
SO
–12
SCK
+12
CET
–5
CEL
LC1
PRV2
+5
LC1
+5D
LC2
FROM : MAIN (2)
D E
(Lead Type Device)
6R
E
6L
E
6SW
E
6C
E
6RR
E
E
6RL
E
DEST
E
+5
–5
VSY
I/E
E
SDTR
CES
SCKR
CKP
VE
AUX–Y
AUX–C
FROM : INPUT (3) AUX–V
FROM : OPE (2)
49
F G
FROM : TUNER
5
RDS only
A, B, G, L only
24 1
13 12
Point t (Pin 12 of IC308)
V : 1V/div, H : 0.2 µsec/div
DC, 1 : 1 probe
0V
H
PHONO
CD
IN
MD/
CD–R
OUT
DVD
AUDIO
D–TV/CBL
IN
VCR 1
OUT
IN
VCR 2/
DVR
OUT

SUBWOOFER

OUTPUT