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HCD-RXD2
— MAIN SECTION —
— 19 —
— 20 —
HP901
PB
HEAD
TAPE A
HRP901
REC/PB
HEAD
TAPE B
R CH
R CH
R CH
PLAY/REC
CONTROL
Q203, 205
PLAY/REC
CONTROL
DRIVE
Q207
PLAY/REC
CONTROL
D201
L291
BIAS OSC
BIAS
OSC
Q291
HE901
ERASE
HEAD
R CH
1
2
9
3
REC OUT
PB OUT
A/B
5
19
11
10
REC/PB
EQ AMP
IC201
TAPE A/B
Q213
MUTE
Q300
AMS
Q281,282
D202
: FM
: CD
• Signal Path
• RCH is omitted
C
CD
SECTION
TU L
ST IND
TU MUTE
DO
Q551
MUTE
14
7
4
POWER AMP
IC501
SPEAKER
RELAY
DRIVE
Q521
Q523
1
2
6
IC502
IC502
RL501
R CH
SPEAKER
PHONES
JK501
JK502
SCOR
SENS1
SQSO
XLAT
SQCK
CLK
DI
CLK
CE
STB
11
STB
21
CE
25
SCLK
27
SDA
TA
OUT
24
D
ATA
22
SQCK
20
XLA
T
23
SQSO
42
SENS1
4
SCOR
26
SDA
TA
IN
MUTE
DRIVE
Q553
MUTE
SWITCH
Q603,604
62
TU MUTE
28
FM ST IND
17
CTRL
64
SYSTEM MUTE
63
POWER SW
LED DRIVE
IC602
2
3
4
19
ALA
TCH
5
11
LED
DRIVE
DI
CLK
Q607,608
RESET
SWITCH
POWER
DOWN DET
Q601
38
RESET
6
POWER DOWN
Q602
LED602-606
LED601
+5V
XT
AL
40
XT
AL
39
VR UP
52
X601
10MHz
VR DOWN
53
VR601
VOLUME
PIC UP
46
PIC DOWN
47
TRA
Y OPEN
50
TRA
Y CLOSE
51
TURN T
ABLE
49
DISC COUNT
48
A
B
S02
TRAY
OPEN/CLOSE
DET
S03
DISC
COUNTER
DET
S04
TURNTABLE
OPERATION
DET
S01
CD DECK
UP/DOWN
DET
3
2
+5.6V
RM601
REMOTE
CONTROL
RECEIVER
8
REMOTE
KEY
MATRIX
S601-612
P2
P21
KI0
KI2
FLD601
FLD DISPLAY
SYSTEM CONTROLLER/
FLD DRIVER
IC601
+5.6V
REG
Q751
SWITCHING
Q705
+12V
M +12V
+7.5V
REG
Q702
CD +7.5VV
+12V
REG
Q701
RECT
D701-704
P MUTE
CONT
Q704
AC OFF
DET
Q705
D551
D711
RECT
D700
-12V
-30V
+30V
-27V
REG
Q703
-27V
AC
IN
PT001
AC3.4V
AC3.4V
16
A
TUNER
SECTION
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
Q207
Q201
CE
CLK
DI
12
LOCK
MUTE
Q208,209
BIAS
SWITCH
Q292,293
6
Q351
TAPE (L)
4
REC OUT (L)
1
TUNER (L)
3
CD (L)
2
B
CD
SECTION
CD L
LINE AMP
IC301
9
VOL OUT
BUS REGISTER
IC251
REC MUTE
13
A/B
11
BIAS
12
PLAY MUTE
14
DI
2
CLK
3
STB
1
DI
CLK
CONT
11
4
PLAY
5
SOL A
6
SOL B
SOL A
DRIVE
Q255,256
M+12V
SWITCH
Q251,252
M+12V
MOT 12V
SOL B
DRIVE
Q253,254
SHIFT REGISTER
IC252
CK
2
S/L
1
QH
9
CLK
3
F REC
5
PHOTO A
11
A MODE SW
13
A HALF
6
PHOTO B
12
B MODE SW
14
B HALF
MECHA
BLOCK
SFR251
MOTOR H/L
Q572
MUTE
D531
D552
+5.6V
1 100
.
90 88
.
66 85
2 .
. 87
29 31
G1
G15
S614-629
Q'S
10
SCOR
DATA IN
DATA
SENS2
LOCK
13
CLOK
43
SENS2
37
AMS
12
7
9
10
13
10
S/L
9
DA
TA
IN
D720