24
24
HAR-D1000
6-3. BLOCK DIAGRAM – MAIN SECTION –
•SIGNAL PATH
: CD PLAY
: HDD PLLAY
: HDD REC
: DIGITAL IN
1
2 6
7 3 23
25 42
19
43
100
45
27 24
95
94
29
30
13
15
22
77
75
60
59
73
74
39
38
30
29
20
12
36
35
26
5
13
15
X700
10MHz
J851
CD CHANGER
CONTROL
MUTING CONTROL
SWITCH
Q302
MUTING
Q100, 200
J300
L
R
L
R
IN
OUT
ANLOG
DIGITAL
OPTICAL
IN
IC303
ADDT
+3.3V
1
2
4
5
8
6
9
10
11
12
M
IC307 CD/OPT SWITCH
CD BLOCK
(BU-21BD53)
OP ASSY (A-MAX. 2)
DOUT
DAC MUTE
LINE MUTE
CD DA
TA
CD CLK
SQ DA
TA
SQ CLK
XL
T
SENS
SCOR
LDON
1
–
4
1
–
2
SPNDL MUTE
XRST
D
ATA
CLOK
SUBQ
SQCK
XL
T
SENS
SCOR
LDON
1
–
4
1
–
2
SPNDL MUTE
XRST
LEVEL L
LEVEL R
EXT-ON
OUT SW
IN SW
IIC-DATA
IIC-CLK
HD-RST
HD-P-DOWN
LOAD NEG
LOAD POS
X-OUT
X-IN
S1
(IN/OUT)
OUT
IN
ON: When tray is
open/close.
M702
(LOADING)
LOADING MOTOR DRIVE
IC401
SYSTEM CONTROLLER
(CD MECHANISM CONTROLLER)
IC800 (1/2)
IIC-DATA
IIC-CLK
RST
X800
16MHz
UART TO IIC CONVERT IC700
CTS
RTS
IIC-DATA
IIC-CLK
KB_CLK
RESET
RXD
TXD
A1OUT
A1IN
X_IN
X_OUT
LRCK BCK
IC308
LRCK
BCK
RESET
SWITCH
Q301
LRCK
MUTING
SWITCH
Q300
D302
D300
X102
5MHz
CONTROL
I/F
Q851
LED
DRIVE
Q191
LED
DRIVE
Q192
LED
DRIVE
Q193
D303
D191
D192
D193
PDOWN