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7-2.
BLOCK DIAGRAM – TUNER/TAPE DECK Section –
RV311
PB LEVEL (L)
HP101
(DECK A)
(PLAYBACK)
PB EQ AMP
L-CH
(DECK A)
IC611 (2/2)
PB EQ AMP
R-CH
(DECK A)
IC611 (1/2)
RV301
PB LEVEL (L)
(DECK B)
HRPE101 (1/2)
(RECORD/PLAYBACK)
PB EQ AMP
(DECK B)
L-CH
IC601 (2/2)
PB EQ AMP
(DECK B)
R-CH
IC601 (1/2)
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
A+7V
SWITCH
Q623
BIAS OSC
HRPE101 (2/2)
T621
(ERASE)
BIAS OSC
Q621, 622
(XG900AV)
COAXIAL
FM 75Ω
FM/AM TUNER UNIT
(XG100AV)
FM ANT
ST-L
FM
75Ω
ST-R
R-CH
FM ANT
ST-MUTE
ST-MUTE
STEREO
AM ANT
STEREO
TUNED
AM
TUNED
AM ANT
ST-DIN
ST-DIN
ST-DOUT
ST-DOUT
ST-CLK
ANTENNA
ST-CLK
ST-CE
ST-CE
(XG900AV)
RDS-DATA
RDS-DATA
RDS-INT
RDS-INT
DECK PROCESS,
DECK A/B SELECT, PB/REC EQ AMP,
DOLBY NR AMP, ALC, AMS
IC301
70
A IN (L)
48
B IN (L)
46
120
+
A IN (R)
R-CH
51
R-CH
B IN (R)
53
L.P.F.
BIAS (N)
BUFFER
33
BIAS
BIAS (C)
32
CONTROL
MAOUT
BIAS (M)
CIRCUIT
28
43
44
31
27
MSIN
AMS
CIRCUIT
MSOUT
17
19 15 16 18 20 22 23 24 25
26
S1004
(DECK A 120/70)
S1008
(DECK B 120/70)
ROTATION
DETECT SENSOR
(DECK A)
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
(UNSW)
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)
IC1002
Q333, 334
Q331, 332
90
73
72
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (2/5)
89
49 50 51
54 53 55 52
19
19
HCD-XG100AV/XG900AV
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
: PLAYBACK (DECK A)
PB-L
B
: PLAYBACK (DECK B)
(Page 20)
: RECORD
REC-L
C
(Page 20)
RV1001
RV1002
TAPE SPEED
TAPE SPEED
(HIGH)
(NORMAL)
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
Q335
76
CAPSTAN
M1
M
CAPM-CNT2
74
MOTOR DRIVE
(CAPSTAN)
Q336, 339
(XG900AV)
21 20
CT-L
D
(Page 20)
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