19
19
XR-3100R/C33R
6-2.
BLOCK DIAGRAM – TAPE/MAIN Section –
05
TAPE EQUALIZER AMP, AMS
IC301
34
32
R-CH
PBF
IN1
FWD
L-CH
HP901
(PLAYBACK)
FWD
R-CH
REV
L-CH
REV
R-CH
PBR
IN1
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
EQ AMP
29
27
MUTE
DOLBY
NR AMP
PB
OUT1
TAPE
IN1
AMS
DET
+
113
115
117
114
N-ROUT
MTLON
19
DRSW
18
TAPESW
17
16
20
INSW
TAPE MUTE
DOLBY
AMSON
103
AMSIN
MSSW
24
LINE
OUT1
14
MS
OUT
A
(Page 18)
B
(Page 18)
FM-L
AM
PDL
SE1L
SE3L
SE2L
SDA
SCL
MUTE
1
11
28
12
VOLUME
CONTROL
CIRCUIT
LOUDNESS
CONTROL
CIRCUIT
DIGITAL CONTROL
CIRCUIT
IIC BUS
LOUDNESS
CONTROL
CIRCUIT
INPUT
SELECTOR
R-CH
R-CH
INPUT SELECT,
ELECTRICAL VOLUME
IC401
CNJ151 (1/2)
BUS
AUDIO IN
SOFT
MUTE
TONE
CONTROL
CIRCUIT
FADER
FADER
20
26
25 24
OUT RL
22
OUT FL
L
R
C
(Page 18)
DATA, CLOCK
DATA
CLOCK
SYSTEM CONTROLLER
IC501 (2/3)
60
EVOL MUTE
71
I2C CKO
70
I2C SIO
15
BEEP
CNJ151 (2/2)
AUDIO OUT
(LINE OUT)
R-CH
L
R
68
AMP MUTE
65
MUTE
MUTING
CONTROL SWITCH
Q621
MUTING
CONTROL SWITCH
Q622
118
AMP ON
BATT B+
D622
D624
D621
FRONT L (+)
11
15
11
17
19
FL+
FL–
9
7
FR+
FR–
FL-IN
FR-IN
14
21
23
RL+
RL–
RL-IN
12
22
5
3
RR+
RR–
RR-IN
4
CN601 (1/2)
(POWER CONNECTOR)
POWER AMP
IC611
FRONT L (–)
10
FRONT R (+)
12
FRONT R (–)
13
REAR L (+)
9
REAR L (–)
8
REAR R (+)
15
REAR R (–)
14
MUTING
Q171
MUTING
Q271
MUTING
Q181
ST-BY
MUTE
MUTING
Q281
R-CH
R-CH
CAPSTAN/REEL
MOTOR DRIVE
Q364
CM-ON
BATT B+
Q365
111
M
M901
(CAPSTAN/REEL)
REGULATOR
CONTROL SWITCH
Q362
LM-EJ
TAPEON
LM-LOD
VCC
REEL SENSOR B+
BATT B+
IN1
IN2
OUT1
OUT2
LOADING/TAPE OPERATION
MOTOR DRIVE
IC361
M
7
9
MOTOR
DRIVE
4
2
3
110 109
REGULATOR
Q361
112
LOADING/TAPE
OPERATION
TAPE OPERATION
SWITCH
BUFFER
TAKE-UP
REEL
SENSOR
SUPPLY
REEL
SENSOR
REEL SENSOR BOARD
REEL
104
105 – 108
POS0 – POS3
TAPE
DETECT
EJECT/FF/REW/
REV/FWD MODE DETECT
+
+
• SIGNAL PATH
: AM (MW/LW)
: FM
: TAPE PLAY
: BUS AUDIO IN
(C33R)
BATT B+
(C33R)
Summary of Contents for XR-3100R
Page 3: ...3 SECTION 1 GENERAL This section is extracted from instruction manual ...
Page 4: ...4 ...
Page 5: ...5 ...
Page 6: ...6 ...
Page 7: ...7 XR 3100R ...
Page 8: ...8 XR C33R ...
Page 9: ...9 ...
Page 31: ...31 31 XR 3100R C33R 6 11 SCHEMATIC DIAGRAM KEY Board See page 29 for Waveform Page 26 ...