Read Sony BMZ-K1 / CX-BK1 Service Manual online
CX-BK1
32
32
8-2.
BLOCK DIAGRAM – TUNER/TAPE/USB Section –
• SIGNAL PATH
: CD
: TUNER
: TAPE PLAY
: REC
: USB
: MIC
: AUX IN
: LINE IN (AUDIO)
: VIDEO
50 O-MDATA
48 O-MCLK
46 O-PLLCE
9 I-TUNE
8 I-STEREO
1 I-RDS SIG
2 I-RDS_DATA
20 I-RDS_CLK
6 I-DO
34
FOUTL
37
20
FOUTR
SDA
21
SCL
13
ACK
12
INT_DATA
USB INT
5
OUTL
13
10 9
COM X
B
A
6
OUTR
26 D+
36 FINL
15 X2
12 X0
14 X1
39 FINR
25 D –
23 VBUS
• R-ch is omitted due to same as L-ch.
FM/AM TUNER PACK
AM LOOP
FM ANT
AM ANT
TUNER-L
TUNER-R
CE
PLLCE
R-CH
TUNED
TUNED
STEREO
STEREO
DO
DO
DI
MDATA
CLK
MCLK
PLLCE
TUNED
STEREO
DO
MDATA
MCLK
RDS DATA
RDS DATA
RDS INT
RDS CLK
FM SIGNAL OUT
RDS SIG
MDATA
MCLK
RDS-DATA
RDS-CLK
RDS-SIG
33 I-USB_VBUS_ON
USB VBUS
24 I2C-USB_DATA
USB DATA
25 I2-USB_CLK
USB CLK
31 I-USB_ACK
USB ACK
32 I-USB_INT
44 O-SHIFT_DATA
USB INT
USB ON
CD ON
TUNER ON
INH
SHIFT SO
CLK
LCK
BIAS OSC
L451
REC BIAS
SWITCH
Q451
BAND-PASS
FILTER
Q902
CAPSTAN/REEL
MOTOR DRIVE
Q904
USB ON/OFF
SWITCH
Q702
+12V
USB INTERFACE
IC700
AUX AUDIO
SELECTOR
IC501
16
18 3
Q10
15
Q9
14
Q8
13
Q7
12
Q6
11
Q5
10
Q4
9
Q3
LCK
CLOCK
DATA
SO
4 5
8 Q2
7 Q1
6 Q0
SHIFT REGISTER
IC703
18
3
SO
17
Q11
10
Q4
15
Q9
6
Q0
8
Q2
27
I-DECK_ENDSW
99
I-LEVEL
28
I-DECK_PACK
29
I-DECK_FREC
30
I-DECK_RREC
26
I-DECK_PLAYSW
7
Q1
LCK
CLOCK
DATA
4 5
16 Q10
9 Q3
14 Q8
SHIFT REGISTER
IC701
BIAS OSC
Q453, 454
MUTING
Q309
ERASE
J700
(USB)
D+
D –
VBAS
HRPE1
(REC/PB/ERASE)
R-CH
SFR451
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
JK602 (1/2)
L-CH
R-CH
R-CH
REC SWITCH
Q305 – 308
RECORD
BIAS (L)
SFR452
RECORD
BIAS (R)
BIAS (R)
R-CH
Q608
MUTING
Q443
PLUNGER DRIVE
Q905
REC AMP
IC401
PB AMP
IC301
LINE AMP
Q605
MUTING
Q607
43 O-SHIFT_CLK
45 O-SHIFT_STB
LEVEL
(AEP, UK)
(AEP, UK)
(AEP, UK, Chilean, Peruvian)
SYSTEM CONTROLLER
IC901 (2/3)
FM 75 Ω
(COAXIAL)
USB ACK
USB CLK
USB DATA
USB VBUS ON
3
2
1
1
2
XTI
XTO
X700
12MHz
REC/PB
REC MUTE
BIAS
V-BASS
18
19
20
21
22
23
24
REC/PB
REC MUTE
BIAS
B
A
B
A
LINE IN
J701
JK603
VIDEO
VIDEO OUT
AUDIO
L
R
AUX IN
L
R
R-CH
JK602 (2/2)
AUX OUT
L
R
MIC AMP
IC201 (1/2)
MIC AMP
IC201 (2/2)
INPUT SELECT
IC601 (1/2)
29
TOUTL
VR201
J201
40 CD-L
2 MIC
39 TUNER-L
38 TAPE-L
35 RECB-2
37 AUX-L
MIC LEVEL
AGC
Q201
MIC
MIC MIXING
CD-L
A
MDATA, MCLK,
LEVEL
D
(Page 33)
V-BASS,
18 – 24
C
(Page 33)
OUT-L
B
(Page 33)
(Page 31)
(Chilean, Peruvian, Mexican)
(EXCEPT US)
(EXCEPT US)
M
M
TAPE MECHANISM
DECK BLOCK
(CAPSTAN/REEL)
(DECK-A)
END SW
A-SOL
CAPM+
PACK
F_REC
R_REC
PLAY SW
INH, SHIFT SO,
CLK, LCK
E
(Page 33)
USB ON,
CD ON, TUNER ON
F
(Page 34)
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