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HCD-LV60
7-3.
BLOCK DIAGRAM – TAPE DECK Section –
HP101
(PLAYBACK)
PB EQ AMP
L-CH
(DECK A)
IC611
RV311
PB LEVEL (L)
R-CH
R-CH
(DECK A)
HRPE101 (1/2)
(RECORD/PLAYBACK)
PB EQ AMP
(DECK B)
L-CH
IC601
RV301
PB LEVEL (L)
(DECK B)
R-CH
R-CH
REC/PB SWITCHING
IC602
3
1
R-CH
R-CH
4
2
C331, L331
BIAS
TRAP
R-CH
RV441
RV341
REC BIAS (R)
REC BIAS (L)
(DECK B)
(DECK B)
REC BIAS
B+
SWITCH
(A+7V)
Q623
BIAS OSC
HRPE101 (2/2)
T621
(ERASE)
BIAS OSC
Q621, 622
05
DECK PROCESS
DECK A/B SELECT, PB/REC EQ AMP,
DOLBY NR AMP, ALC, AMS
IC301
70
AIN (L)
48
BIN (L)
46
120
+
R-CH
L.P.F.
BIAS (N)
BUFFER
LekSound.net
33
BIAS
BIAS (C)
32
CONTROL
MAOUT
BIAS (M)
CIRCUIT
31
28
43
44
27
MSIN
AMS
CIRCUIT
MSOUT
17
19 15 16 18 20 22 23 24 25
26
S1004
(DECK A 120/70)
LekSound.net
S1008
(DECK B 120/70)
ROTATION
DETECT SENSOR
(DECK A)
LekSound.net
IC1001
100
85 84 83 82 81 80 79 78
77
91
87
86
88
S1006
(DECK B HALF)
S1003
(DECK A HALF)
S1005
(DECK A REC)
D+5V
S1001
S1002
S1009
(DECK A PLAY)
(DECK B PLAY)
(DECK B REC)
DOLBY PASS
PB OUT (L)
40
DOLBY NR
AMP
CIRCUIT
EQ OUT
ALC
(L)
REC
36
EQ AMP
39
38
35
34
RV301
REC LEVEL (L)
(DECK B)
TRIGGER PLUNGER
TRIGGER PLUNGER
DECK A
DECK B
ROTATION
TRIGGER
TRIGGER
DETECT SENSOR
PLUNGER DRIVE
PLUNGER DRIVE
(DECK B)
(DECK A)
(DECK B)
Q333, 334
Q331, 332
IC1002
90
73
72
SYSTEM CONTROLLER
IC501 (2/4)
89
18
18
• SIGNAL PATH
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
PB-L
G
: RECORD
(Page 19)
REC-L
H
(Page 19)
RV1001
RV1002
TAPE SPEED
TAPE SPEED
(HIGH)
(NORMAL)
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
Q335
76
CAPSTAN
CAPM-CNT1
75
M1
M
MOTOR DRIVE
(CAPSTAN)
CAPM-CNT2
74
Q336 – 343
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