HCD-EC69i/EC79i/EC99i
HCD-EC69i/EC79i/EC99i
25
25
6-2. BLOCK DIAGRAM - MAIN Section -
R-CH
PC IN
J491
26
25
ELECTRICAL VOLUME,
INPUT SELECTOR,
IC602
: TUNER (FM/AM)
: CD PLAY
: iPod
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: PC IN
CD-L
TUNER-L
CN902
(iPod Dock)
27
28
R-CH
18
19
30
LINE-OUT-L
LINE-OUT-R
RXD
TXD
DGND
OVER LOAD
DETECT
Q141, 142
D140
OVER LOAD
DETECT
Q201, 202
D203
OVER LOAD
DETECT
Q151, 152
SUBWOOFER
BAND-PASS FILTER
Q701 - 703, 804
OVER LOAD
DETECT
Q203
STANDBY
SWITCH
Q608
J492
RY602
R-CH
PHONES
SPEAKER
IMPEDANCE
USE 6
Ω
SPEAKER
LOW FREQ.
IMPEDANCE
USE 8
Ω
SPEAKER
HIGH FREQ.
IMPEDANCE
USE 8
Ω
+
–
–
+
R
L
TB602
R-CH
R-CH
R-CH
R-CH
R-CH
+
–
–
+
R
L
TB601
R-CH
RY601
(EC69i)
(EC79i/EC99i)
(EC79i/EC99i)
(EC99i)
SUBWOOFER
IMPEDANCE
USE 4
Ω
+
–
TB603
RY701
(EC99i)
RELAY DRIVE
Q604
RELAY DRIVE
Q610, 613
PROTECT
DETECT
Q611, 612
RELAY DRIVE
Q704, 705
(EC69i)
(EC79i)
(EC79i)
(EC69i/EC79i)
RELAY PROTECT
SP-L
OVER LOAD DETECT
O-POWER
SUBWOOFER
SWITCH
Q614
+
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299