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5-2. BLOCK DIAGRAMS
— DECK SECTION —
TAPE B
HP901
PB
HEAD
R CH
R CH
TAPE A
HRP901
Q211
REC/PB
HEAD
R CH
L201
BIAS OSC
R CH
HE901
ERASE
Q
Q218
HEAD
BIAS
OSC
Q203, 205
Q201
PLAY/REC
PLAY/REC
CONTROL
CONTROL
Q207
Q207
PLAY/REC
CONTROL
DRIVE
D208
D209
TU L
A
ST IND
TU MUTE
TUNER
DO
SECTION
CD L
SCOR
SENS
SQSO
B
XLAT
SQCK
CD
SECTION
DATA
COUNT
FOK
DI
CLK
CE
STB
26
21 22 23
52 53
18 17 20
19 51 38
16
12
12
11
44
45
X601
4.19MHz
A
B
VR601
ENCODER
REC/PB
EQ AMP
IC201
3
PB OUT
1
5
Q216
Q209
MUTE
MUTE
SWITCH
Q213
TAPE A/B
TAPE A/B
19
A/B
SWITCH
2
REC OUT
11
9
Q214
D210
10
TAPE A
D205
SWITCH
D203
D202
Q217
Q220
D210
REC SWITCH
MUTE
CONTROL
D211
D212
SW201
REC/PLAY
PLAY
REC
Q208
Q208
CD SYNC
SWITCH
LED DRIVE
IC602
LED602
DI
2
11
CLK
3
Q605,606
4
LED601
LED
Q602
Q602
13
DRIVE
RESET
SWITCH
24
4
47
36
48
10
55
56
59
60
57
58
S01
S02
S03
S04
CD DECK
TRAY
DISC
TURNTABLE
UP/DOWN
OPEN/CLOSE
COUNTER
OPERATION
DET
DET
DET
DET
— 15 —
SELECTOR
IC301
11
3
2
9
10
CONTROL
Q301
12
15
14
13
+11.5V
S201
A DECK
S202
B DECK
S203
PLAY
D206
D207
M901
M
REC/CAPSTAN
MOTOR
SFR201
TAPE SPEED
D602
RM601
3
Q601
Q601
REMOTE
POWER
CONTROL
DOWN DET
RECEIVER
2
15
39
SYSTEM CONTROLLER/
FLD DRIVER
IC601
KI0
KI4
P1
P21
. 81
33
29
64
78
85
KEY
MATRIX
FLD601
S601-623
FLD DISPLAY
POWER AMP
IC501
LINE AMP
IC302
5
7
1
13
2
Q307
Q303
BASS BOOST
MUTE
SWITCH
Q583,584
MUTE
Q551
DRIVE
Q604
MUTE
Q603
MUTE
SWITCH
Q410
D553
AC OFF
DET
D417
Q409
P MUTE
CONT
D416
D401
+30V
RECT
-30V
-12V
D409
Q408
D414,415
-27V
VOLTAGE
-27V
REG
DOUBLER
Q403
Q401
D405-408
+7.9V
+12V
+7.9V
RECT
REG
REG
Q404
+5.6V
REG
Q402
+11.5V
FILTER
Q406,407
+11.5V
SITCHING
(SWITCHED)
7
3
2
G1
G15
100
86
— 16 —
HCD-GRX2/RX33
R CH
JK303
PHONES
RL501
JK501
SPEAKER
IC502
IC502
Q553
1
SPEAKER
RELAY
6
DRIVE
2
7 4
Q585,586
MUTE
PT001
AC
IN
AC3.4V
AC3.4V
• RCH is omitted
• Signal Path
: PB (DECK A)
: PB (DECK B)
: REC (DECK A)
: FM
: CD
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