Block Diagram - Tuner/Tape/Usb Section - Sony CX-BK1 Service Manual

CX-BK1
8-2. BLOCK DIAGRAM – TUNER/TAPE/USB Section –
CD-L
A
(Page 31)
FM/AM TUNER PACK
FM 75 Ω
FM ANT TUNER-L
(COAXIAL)
TUNER-R
AM LOOP AM ANT
DO
DI
CLK
CE
TUNED
STEREO
RDS DATA
RDS INT
FM SIGNAL OUT
(EXCEPT US)
L-CH
MUTING
Q309
R-CH R-CH
REC SWITCH
Q305 – 308
R-CH
R-CH
HRPE1
SFR452 SFR451
(REC/PB/ERASE)
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
D – 25 D –
USB ON/OFF
1
VBAS SWITCH 23 VBUS
Q702
1
(Chilean, Peruvian, Mexican)
MIC LEVEL
AGC
Q201
J201
MIC
MIC AMP
IC201 (1/2)
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
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
2 20 21 13 12
X700
12MHz
VR201
MIC MIXING
MIC AMP
IC201 (2/2)
INPUT SELECT
IC601 (1/2)
2 MIC
40 CD-L
39 TUNER-L
38 TAPE-L
37 AUX-L
35 RECB-2
JK602 (2/2)
L
AUX OUT
R-CH R
SHIFT REGISTER
IC703
BIAS
6 Q0
REC MUTE
7 Q1
REC/PB
8 Q2
18 3
3
14 Q8
A
9 Q3
B
16 Q10
SHIFT REGISTER
IC701
32 32
TOUTL 29
SYSTEM CONTROLLER
IC901 (2/3)
DO
6 I-DO
MDATA
50 O-MDATA
MCLK
48 O-MCLK
PLLCE
46 O-PLLCE
TUNED
9 I-TUNE
STEREO
8 I-STEREO
(AEP, UK)
RDS-DATA
2 I-RDS_DATA
RDS-CLK
20 I-RDS_CLK
RDS-SIG
1 I-RDS SIG
V-BASS
(AEP, UK, Chilean, Peruvian)
Q3 9
18
Q4 10
19
Q5 11
20
USB VBUS
Q6 12
33 I-USB_VBUS_ON
21
Q7 13
22
USB DATA
Q8 14
24 I2C-USB_DATA
23
USB CLK
Q9 15
25 I2-USB_CLK
24
USB ACK
Q10 16
31 I-USB_ACK
USB INT
32 I-USB_INT
I-DECK_ENDSW
I-DECK_PACK
4 5
I-DECK_FREC
I-DECK_RREC
44 O-SHIFT_DATA
I-DECK_PLAYSW
43 O-SHIFT_CLK
45 O-SHIFT_STB
4 5
Q1 7
Q2 8
INH
Q11 17
SHIFT SO
SO 18
USB ON
Q0 6
CD ON
Q9 15
TUNER ON
Q4 10
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD
: TUNER
: TAPE PLAY
: REC
: USB
: MIC
: AUX IN
: LINE IN (AUDIO)
: VIDEO
OUT-L
B (Page 33)
V-BASS,
18 – 24
C
(Page 33)
MDATA, MCLK,
LEVEL
D (Page 33)
BAND-PASS
I-LEVEL 99 FILTER
Q902
(EXCEPT US)
TAPE MECHANISM
DECK BLOCK
27 END SW
28 PACK
29 F_REC
30 R_REC
26 PLAY SW
(DECK-A)
A-SOL
PLUNGER DRIVE
Q905
(CAPSTAN/REEL)
CAPSTAN/REEL
CAPM+
M M
MOTOR DRIVE
Q904
INH, SHIFT SO,
CLK, LCK
E (Page 33)
USB ON,
CD ON, TUNER ON
F
(Page 34)