HCD-EC98P
HCD-EC98P
26
26
6-2. BLOCK DIAGRAM - MAIN Section -
INPUT SELECTOR,
ELECTRICAL VOLUME
IC602
TUNER-L
CD-L
M601
(FAN)
26
25
• 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
RELAY
DRIVE
Q619
PROTECT
DETECT
Q611, 612
PROTECT
DETECT
Q605, 606
OVER LOAD
DETECT
Q101 - 103
D103
OVER LOAD
DETECT
Q151, 152
CD +1.5V
+9V
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
3.3V
D152
D601
R-CH
D303
D055
D617
D628
D602, 606
M
M
M701
(FAN)
M
M
DC DETECT
Q618
STANDBY
SWITCH
Q608
J492
RY602
R-CH
PHONES
J491
AUDIO IN
CN901
DMPORT
SPEAKER
LOW FREQ.
IMPEDANCE:
USE 8
Ω
SPEAKER
HIGH FREQ.
IMPEDANCE:
USE 8
Ω
+
–
–
+
R
L
TB602
SUBWOOFER
IMPEDANCE:
USE 4
Ω
+
–
TB603
R-CH
+
–
–
+
R
L
TB601
R-CH
R-CH
RY701
RY601
(AUS)
(US, CND)
(US, CND)
RY001
PT005
SUB POWER
TRANSFORMER
PT006
MAIN POWER
TRANSFORMER
VSTBY
+VH
-VH
(AC IN)
RECT
D051, 052
RECT
D607 - 610,
D623 - 626
RECT
D611, 612,
D633, 634
RELAY DRIVE
Q604
PRE DRIVE
Q700 - 703
SUBWOOFER
SWITCH
Q705
RELAY DRIVE
Q704
5
7
6
11
13
L+
L-
12
14
R+
R-
R-CH
R-CH
TXD
RXD
DET
• Abbreviation
AUS :
Australian model
CND : Canadian model
X302
6MHz
X301
32.768kHz
LED DRIVE
Q301
LED301
LCD301
LIQUID
CRYSTAL
DISPLAY
ROTARY
ENCODER
S301
VOLUME
SW301 - 308,
SW309, 310
SW311 - 319
(FRONT PANEL KEYS)
I-KEY1, I-KEY2, I-KEY-WAKEUP/VOL
I/
STANDBY
PROTECT
DETECT
Q607
Содержание HCD-EC98P - Amplifier, Cd Player
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