Block Diagram - Main Section - Sony HCD-EC98P Service Manual

HCD-EC98P
6-2.

BLOCK DIAGRAM - MAIN Section -

INPUT SELECTOR,
ELECTRICAL VOLUME
A
TUNER-L 4 TUNER-L
B
CD-L 6 CD-L
R-CH
J491
8 AUDIO-L
AUDIO IN
2 TC/DMP-L
CN901
DMPORT
13
LINE
L+
AMP
11
L- IC770
14
R+ R-CH
12
R- R-CH
6
TXD 29 I-USB-TXD/I-DMP-TXD
5
RXD 31 O-USB-RXD/O-DMP-RXD
7
DET 45 I-DMP-DET/O-USB-RST
93 X0
X302
6MHz
92 X1
13
X0A
X301
32.768kHz
14
X1A
LED301
LED DRIVE
I/ O-LED-STBY
28
Q301
STANDBY
REMOTE CONTROL
RECEIVER 9 I-RMC
IC302
SW301 - 308,
SW309, 310 (AUS)
SW311 - 319
(FRONT PANEL KEYS)
I-KEY1, I-KEY2, I-KEY-WAKEUP/VOL
ROTARY
VOLUME ENCODER
S301
HCD-EC98P
IC602
POWER
OUT-L 19
SEL-L 9
VOL-L 12
26 25
STANDBY
SWITCH
LCD301
LIQUID
CRYSTAL
DISPLAY
49 50 63, 64, 67 - 89, 94 - 100, 1 59 - 62 2 40
SEG0 - SEG32
COM0 - COM1
SYSTEM CONTROLLER
IC301 (2/2)
O-CD-ON 4
I-USB-DO/I-DMP-5V-DET 30
O-USB-DI/5V-ON/O-TP-REC-MUTE 34
I-RST 54
I-HOLD 42
I-P-MONI 36
O-POWER 3
AMP
IC101
POWER
AMP
IC152
OVER LOAD OVER LOAD
DETECT DETECT
Q101 - 103 Q151, 152
Q608
D103 D152
D628
+1.5V
CD +1.5V REGULATOR
IC201
+3.3V
CD +3.3V REGULATOR
Q622, 624
+3V
TUNER +3V REGULATOR
Q801
+5V
TUNER +5V REGULATOR
Q802
+9V
DMPORT +5V
RELAY B+
VOLTAGE
DETECT
Q761, 762
D303
SYSTEM +3.3V
VOLTAGE
DETECT
Q305, 306
26 26
J492
R-CH
PHONES
RY701
RY602
R-CH
PRE DRIVE
Q700 - 703
RY601
RELAY DRIVE
Q704
R-CH
SUBWOOFER
SWITCH
Q705
RELAY DRIVE
Q604
FAN MOTOR
R-CH
DRIVE
Q601, 602
D601
PROTECT PROTECT
DETECT DETECT
Q611, 612 Q605, 606
PROTECT
M601
M M
DETECT
(FAN)
Q603
PROTECT
DC DETECT M701
M M
+9V
DETECT
Q618
(FAN)
Q607
D631
D617
+VH
-VH
+9V
REGULATOR
IC601
+5V
REGULATOR
IC701
+4V
REGULATOR
Q302 - 304
VSTBY
TB603
+
SUBWOOFER
IMPEDANCE:
–
USE 4Ω
TB602
+
L
SPEAKER
–
LOW FREQ.
IMPEDANCE:
+
USE 8Ω
R
–
TB601
+
L
SPEAKER
–
HIGH FREQ.
IMPEDANCE:
+
USE 8Ω
R
–
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: FM
: CD PLAY
D602, 606
: AUDIO IN
: DMPORT
• Abbreviation
(US, CND)
AUS : Australian model
CND : Canadian model
PT006
MAIN POWER
TRANSFORMER
RECT
D607 - 610,
D623 - 626
RY001
RECT
D611, 612,
D633, 634
(US, CND)
PT005
SUB POWER
TRANSFORMER
(AC IN)
RECT
D051, 052
D055
RELAY
DRIVE
Q619