Sony HCD-EC68P User Manual

HCD-EC68P/EC78P
HCD-EC68P/EC78P
2626
6-2. BLOCK DIAGRAM - MAIN Section -
SYSTEM CONTROLLER
IC301 (2/2)
INPUT SELECTOR,
ELECTRICAL VOLUME
IC602
4 19TUNER-L OUT-L
9SEL-L
12VOL-L
TUNER-L
31 O-USB-RXD/O-DMP-RXD
45 I-DMP-DET/O-USB-RST
29 I-USB-TXD/I-DMP-TXD
2 TC/DMP-L
A
6 CD-L
8 AUDIO-L
CD-L
B
M601
(FAN)
I-RST
54
I-USB-DO/I-DMP-5V-DET
30
I-HOLD
42
49
I/O-I2C-DATA
50
I/O-I2C-CLK
26
SDATA
25
SCLK
3O-POWER
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
: FM
: DMPORT
: AUDIO IN
FAN MOTOR
DRIVE
Q601, 602
PROTECT
DETECT
Q603
34O-USB-DI/5V-ON/O-TP-REC-MUTE
4O-CD-ON
RELAY
DRIVE
Q619
PROTECT
DETECT
Q611, 612
PROTECT
DETECT
Q605, 606
OVER LOAD
DETECT
Q101, 102
D103
OVER LOAD
DETECT
Q151, 152
POWER AMP
IC101
(EC68P/EC78P: UK)
IC102
(EC78P: US, CND)
POWER AMP
IC151
(EC78P: UK)
IC152
(EC78P: US, CND)
+1.5V
REGULATOR
IC201
CD +1.5V
+9V
REGULATOR
IC601
+9V
+5V
REGULATOR
IC701
DMPORT +5V
RELAY B+
+3.3V
REGULATOR
Q622, 624
VOLTAGE
DETECT
Q305, 306
VOLTAGE
DETECT
Q761, 762
+4V
REGULATOR
Q302 - 304
D631
+9V
CD +3.3V
+3V
REGULATOR
Q801
TUNER +3V
+5V
REGULATOR
Q802
TUNER +5V
SYSTEM +3.3V
D152
D601
R-CH
D303
D055
D617
D628
D602, 606
MM
DC DETECT
Q618
STANDBY
SWITCH
Q608
J492
RY602
R-CH
PHONES
J491
AUDIO IN
CN901
DMPORT
SPEAKER
IMPEDANCE
USE 6Ω
SPEAKER
LOW FREQ.
IMPEDANCE
USE 8Ω
SPEAKER
HIGH FREQ.
IMPEDANCE
USE 8Ω
+
–
–
+
R
L
TB602
R-CH
+
–
–
+
R
L
TB601
R-CH
R-CH
2
O-AMP-ON
RY601
(EC68P)
(EC78P: UK)
(EC78P)
RY001
(EC68P: US/EC78P)
RY002
(EC68P: AUS)
PT001 (EC68P: US/EC78P)
PT002 (EC68P: AUS)
SUB POWER TRANSFORMER
PT003 (EC68P)
PT004 (EC78P)
MAIN POWER
TRANSFORMER
VSTBY
+VH
-VH
(AC IN)
RECT
D051, 052
RECT
D607 - 610
RECT
D611, 612
(EC78P)
D629, 630
(EC68P)
I-P-MONI
36
RELAY
DRIVE
Q604
5
7
6
11
13
L+
L-
12
14
R+
R-
R-CH
R-CH
TXD
RXD
DET
LINE
AMP
IC770
• Abbreviation
AUS : Australian
CND : Canadian
X302
6MHz
X1 X0
92 93
X301
32.768kHz
X1A X0A
14 13
I-RMC
9
REMOTE CONTROL
RECEIVER
IC302
LED DRIVE
Q301
LED301
O-LED-STBY
28
LCD301
LIQUID
CRYSTAL
DISPLAY
ROTARY
ENCODER
S301
VOLUME
SW301, 303 - 308,
SW309, 310
SW311 - 319
(FRONT PANEL KEYS)
I-KEY1, I-KEY2, I-KEY-WAKEUP/VOL
37, 38, 41
COM0 - COM1
59 - 62
SEG0 - SEG32
63, 64, 67 - 89, 94 - 100, 1
I/
STANDBY

Sony HCD-EC68P Specifications

General

Brand	Sony
Model	HCD-EC68P
Category	Car Receiver
Language	English