Block Diagram - Tuner/Tape/Usb Section - Aiwa CX-BK33 Service Manual

CX-BK33
Q Q
7-2. BLOCK DIAGRAM – TUNER/TAPE/USB Section –
3 7 6 3 1 5 1 5 0
CD-L
(Page 31) A
FM/AM TUNER PACK
FM 75 Ω
FM ANT TUNER-L
COAXIAL
ANTENNA
TUNER-R
AM AM ANT
DO
DI
CLK
CE
TUNED
STEREO
RDS DATA
RDS INT
FM SIGNAL OUT
L-CH
MUTING
T E
L 1 3 9 4 2 2 9 6 5 1 3 Q309
R-CH R-CH
REC SWITCH
Q305 – 308
R-CH
R-CH
HRPE301
(REC/PB/ERASE) SFR452 SFR451
RECORD RECORD
BIAS (R) BIAS (L)
BIAS OSC
L451
ERASE
J701
LINE IN
VIDEO
L
AUDIO
R
J700
USB INTERFACE
(USB)
IC700
3
D+
26 D+ FOUTL
2
FOUTR
w w w
D – 25 D –
USB ON/OFF
1
VBAS SWITCH 23 VBUS
Q702
1
X700
12MHz
(Chilean, Peruvian)
MIC LEVEL
AGC
Q201
VR201
J201
MIC MIXING
MIC
MIC AMP MIC AMP
IC201 (1/2) IC201 (2/2)
R-CH
DO
MDATA
MCLK
PLLCE
TUNED
STEREO
RDS DATA
RDS CLK
RDS SIG
(AEP, UK)
PB AMP
IC301
R-CH
MUTING REC AMP
Q443 IC401
R-CH
R-CH
LINE AMP
Q605
MUTING
Q607
REC BIAS
SWITCH +12V
R-CH
Q451
Q608
BIAS OSC
Q453, 454
JK603
VIDEO OUT
R-CH
AUX AUDIO
JK602 (1/2)
SELECTOR
L
IC501
MD (AUX) IN
R R-CH
14 X1
12 X0 COM X 13
34 36 FINL OUTL 5 15 X2
37 39 FINR OUTR 6 R-CH
A B
10 9
x a o
y
. i
2 20 21 13 12
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8
2 MIC
40 CD-L
39 TUNER-L
TOUTL 29
38 TAPE-L
37 AUX-L
INPUT SELECT,
ELECTRICAL VOLUME
35 RECB-2
IC601
21 22
BAND-PASS
FILTER
Q902
Q Q
DO
3 7 6 3
MDATA
MCLK
PLLCE
TUNED
STEREO
JK602 (2/2)
(AEP, UK)
L
RDS-DATA
MD (AUX) OUT
R-CH
R RDS-CLK
RDS-SIG
USB VBUS
USB DATA
USB CLK
USB ACK
USB INT
3 4 5
Q1 7
14 Q8
Q2 8
BIAS
11 Q5
REC MUTE
12 Q6
REC/PB
INH
13 Q7
Q11 17
u 1 6 3
SHIFT SO
SO 18
USB ON
A
Q0 6
9 Q3
.
CD ON
B
Q9 15
16 Q10
TUNER ON
Q4 10
SHIFT REGISTER
IC701
32 32
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2 4
9 9 8
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY
: TUNER
: TAPE PLAY
: REC
: USB
: MIC
: AUX IN
: LINE IN (AUDIO)
: VIDEO
28 VOLIN2 OUT 2 25
R-CH
BB_A2 27 D611
AGC
BB_B2 26
Q621
19
SYSTEM CONTROLLER
IC901 (2/3)
99 I-LEVEL
1 5 6 I-DO 1 5 0 8 9 2 4
50 O-MDATA
48 O-MCLK
46 O-PLLCE
9 I-TUNE
8 I-STEREO
2 I-RDS_DATA
20 I-RDS_CLK/I-MIC
1 (ECHO_CE) I-RDS SIG
33 I-USB_VBUS_ON
24 I2C-USB_DATA
25 I2-USB_CLK TAPE MECHANISM
31 I-USB_ACK
32 I-USB_INT
I-DECK_ENDSW 27 END SW
I-DECK_PACK 28 PACK
I-DECK_FREC 29 F_REC
I-DECK_RREC 30 R_REC
44 O-SHIFT_DATA
I-DECK_PLAYSW 26 PLAY SW
43 O-SHIFT_CLK
45 O-SHIFT_STB
A-SOL
PLUNGER DRIVE
Q905
(CAPSTAN/REEL)
CAPSTAN/REEL
CAPM+
MOTOR DRIVE
Q904
m
c o
2
9 9
OUT-L
(Page 33)
B
MIXOUT-LR
C (Page 33)
9 8 2 9 9
DECK BLOCK
(DECK-A)
M M
INH, SHIFT SO,
CLK, LCK
E (Page 33)
USB ON,
CD ON, TUNER ON
F
(Page 34)