Page 2
STR-DE335/SE391/V323
Ð 13 ÐÐ 14 Ð
5-2. BLOCK DIAGRAM Ð MAIN Section (2/2) Ð
POWER AMP
IC701 (1/2)
05
D(Page 10)
· SIGNAL PATH
: TUNER (FM)
LCH
WOOFER-RLY,
SP-RLY,
SURR-RLY,
REAR-RLY,
PROTECT
WOOFER-RLY
SP-RLY
SURR-RLYREAR-RLYPROTECT
PRE
DRIVE DRIVER
CENTER
REAR TM601TM701
SPEAKERS FRONT
IMPEDANCE
USE 8 - 16½
L
R
BASS BOOST
FILTER AMP
Q452 BASS BOOST
SWITCH
Q401
FINAL
DRIVER
Q703, 704
OVER LOAD
DETECT
Q720 BIAS
Q701, 702
NF
J253WOOFER
AUDIO OUT
(Page 10)
G
S701-3-1
PHONESJ741
+VOUT1
-VOUT1 IN1
NF1
-1 -2
5
6
3
2
POWER AMP
IC702 (1/2)
E
(Page 10)
H(Page 13)RCH
BASS
BOOST
PRE
DRIVE DRIVER
BASS BOOST
FILTER AMP
Q402 BASS BOOST
SWITCH
Q451
FINAL
DRIVER
Q753, 754
OVER LOAD
DETECT
Q770 BIAS
Q751, 752
NF
+VOUT1
-VOUT1 IN1
NF1
5
6
3
2
POWER AMP
IC701 (2/2)
B(Page 10)S-LCH PRE
DRIVE DRIVER FINAL
DRIVER
Q653, 654
OVER LOAD
DETECT
Q670 BIAS
Q651, 652
NF
+VOUT2
-VOUT2 IN2
NF2
9
8
11
12
POWER AMP
IC501 (1/2)
C
(Page 10)S-RCH PRE
DRIVE DRIVER FINAL
DRIVER
Q503, 504
OVER LOAD
DETECT
Q520 BIAS
Q501, 502
NF
+VOUT1
-VOUT1 IN1
NF1
5
6
3
2
POWER AMP
IC702 (2/2)
F(Page 10)CENTER PRE
DRIVE DRIVER FINAL
DRIVER
Q603, 604
PROTECT
SWITCH
Q721 - 723
WOOFER SELECT
RELAY DRIVE
Q367
OVER LOAD
DETECT
Q620 BIAS
Q601, 602
NF
+VOUT2
-VOUT2 IN2
NF2
9
8
11
12
POWER AMP
IC501 (2/2)
RY301D721
A(Page 10)WOOFER PRE
DRIVE DRIVER
NF
+VOUT2
-VOUT2 IN2
NF2
9
8
11
12
SPEAKER PROTECT
RELAY DRIVE
Q610RY601
SPEAKER PROTECT
RELAY DRIVE
Q510RY551
-1
-2
-2
SPEAKER PROTECT
RELAY DRIVE
Q710 RY701
-1
D725 D728
D727 D726
D723
D312 D311 D203
+
+
+
+
+
+
S701-4-2
SPEAKERS A
¯ ON ¿ OFF
ON
OFF
S701-3
SPEAKERS A
¯ ON ¿ OFF
S701-1-1
SPEAKERS B
¯ ON ¿ OFF
S701-2
SPEAKERS A
¯ ON ¿ OFF
ON
OFF
ON
OFF
S701-2-1
ON OFF
S701-2-2
ON OFF
OFF
ON
S701-1-2
SPEAKERS B
¯ ON ¿ OFF
OFF
ON
A
A
R
B
B
S701-3-2
+
-
+
-
+
-
+
-
+
-
+
-
+
-
L
(EXCEPT STR-DE335: AEP)
SPEAKERS FRONT
IMPEDANCE
USE 4 - 16½
(STR-DE335: AEP)
SPEAKERS
IMPEDANCE
USE 8 - 16½
(EXCEPT STR-DE335: AEP)
SPEAKERS
IMPEDANCE
USE 4 - 16½
(STR-DE335: AEP)
