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5-2.
BLOCK DIAGRAM - MAIN Section -
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
: iPod & iPhone
: PC IN
J491
PC IN
A
(Page 14)
CD-L
B
(Page 14)
TUNER-L
CN902
(iPod/iPhone CONNECTOR)
LINE AMP
LINE-OUT-L
27
LINE-OUT-R
28
R-CH
RXD
18
31 O-iPod-RXD
TXD
19
29 I-iPod-TXD
BUFFER
Acc ID
10
Q901
BUFFER
Acc DET
20
21 O-iPhone-DET-CTL
Q902
WAKE UP
Acc PWR
13
22 I-iPod-ACCP
Q310
DGND
30
45 I-iPod-DET
EEPROM
IC901
RESET
4
30 O-iPod-CP-RESET
I2C-SDA
13
49 I/O-iPhone-CP-DATA
I2C-SCL
12
50 I/O-iPhone-CP-CLK
HCD-EC709iP/EC909iP
ELECTRICAL VOLUME,
INPUT SELECTOR
IC601
R-CH
8
AUDIO-L
OUT-L
19
INVERTER
IC603
6 CD-L
VOL-L
12
4 TUNER-L
SEL-L
9
2
iPod-L
IC602
26 25
33 34
SYSTEM CONTROLLER
IC301 (2/3)
O-SP-RELAY
2
O-SUBWOOFER-ON/NC
6
POWER
AMP
IC604
(EC909iP)
INVERTER
BUFFER
IC605 (1/2)
IC605 (2/2)
POWER
AMP
IC606
R-CH
STANDBY
OVER LOAD
SWITCH
DETECT
Q604
Q701 - 704
15
15
RY701
R-CH
SUBWOOFER
+
BAND-PASS FILTER
Q803, 804
RY801
R-CH
OVER LOAD
DETECT
Q805, 806
RELAY DRIVE
Q601, 602
RELAY DRIVE
Q603
D601
PROTECT
DETECT
Q605, 606
HCD-EC709iP/EC909iP
TB701
+
L
–
SPEAKERS
ONLY FOR
+
SS-EC709iP
R-CH
R
–
R-CH
TB801
+
SUBWOOFER
ONLY FOR
–
SS-WG909iP
D705
FAN-CONT
PROTECT
C
(Page 16)
O-POWER
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