Sony HCD-EC79 - Block Diagram - MAIN Section

HCD-EC69/EC79/EC99
HCD-EC69/EC79/EC99
2121
6-2. BLOCK DIAGRAM - MAIN Section -
R-CH
R-CH R-CH R-CH
PC IN
J491
4 TUNER-L
26
SDATA
25
SCLK
8
9
AUDIO-L
SEL-L
6 CD-L
O-AUDIO-DATA
33
O-AUDIO-CLK
I/O-I2C-DATA-USB
I/O-I2C-CLK-USB
I-USB-BUSY
34
O-SP-RELAY-ON/TC ON/SW ON
12VOL-L
ELECTRICAL VOLUME,
INPUT SELECTOR,
IC602
SYSTEM CONTROLLER
IC301 (2/3)
: TUNER (FM/AM)
: CD PLAY
: USB
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: PC IN
A
CD-L
B
TUNER-L
C
USB-L
CN104
(USB)
3
2
USB CONTROLLER
IC101
R-CH
2USB_DP34
USB_DM
33
49
50
O-USB-RST
3129
19OUT-L
OVER LOAD
DETECT
Q141, 142
D140
OVER LOAD
DETECT
Q201, 202
POWER
AMP
IC201
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 6Ω
SPEAKER
LOW FREQ.
IMPEDANCE
USE 8Ω
SPEAKER
HIGH FREQ.
IMPEDANCE
USE 8Ω
+
–
–
+
R
L
TB602
R-CH
R-CH
+
–
–
+
R
L
TB601
R-CH
RY601
(EC69)
(EC79/EC99)
SUBWOOFER
IMPEDANCE
USE 4Ω
+
–
TB603
RY701
(EC99)
RELAY DRIVE
Q604
RELAY DRIVE
Q610, 613
PROTECT
DETECT
Q611, 612
RELAY DRIVE
Q704, 705
(EC69/EC99)
(EC99)
(EC79)
(EC79)
POWER
AMP
IC102
POWER
AMP
IC101
(EC69/EC79)
RELAY PROTECT
SP-L
OVER LOAD DETECT
O-POWER
2
SUBWOOFER
SWITCH
Q614
46LDACO
44RDACO
13
SDA
12
SCL
11
BUSY
1
RESETX
X101
16.9344MHz
XOUT_PLL
XIN_PLL
41
40
+
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