Read Sony MEX-BT2800 / MEX-BT2807E / MEX-BT2850 Service Manual online
MEX-BT2800/BT2807E/BT2850
MEX-BT2800/BT2807E/BT2850
25
25
• See page 28 for IC Block Diagrams.
4-4. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
R401
C151
C152
C28
R432
C451
C431
C441
R462
R442
Q461
Q451
C471
C481
Q471
Q481
R471
R481
R472
R482
X1
R752
C756
C455
C465
C755
C462
C452
R461
R452
R451
C464
C454
FB1
C1
FB2
L2
C5
C12
L6
C8
L1
C13
R4
R5
C16
C17
R10
C405
C404
C409
R12
C27
R13
R14
C25
C23
C22
C24
L8
C21
C20
C19
R2
R1
JW112
C401
C412
C413
C406
C407
C719
C157
L151
C154
R152
C709
C708 C707 C706
CN701
C153
R153
R154
R151
R11
D719
C551
R155
JW53
JW72
JW52
IC401
C403
C402
R330
R332
R333
R331
C444
C434
JW127
C216
C215
R414
C810
C820
C155
JC151
C705
FB402
FB401
C408
C26
C3
L3
0.47
PH
560
PH
560
PH
C2
L4
3.3
PH
3.3
PH
IC1
C330
C331
VDR1
J1
Q431
R6
C18
C461
L7
J330
C9
R3
R3
D704
D703
D153
10
1
50V
1
50V
47
16V
10k
10
50V
10
50V
10
50V
10k
10k
RT1N140C
RT1N140C
10
50V
10
50V
220
220
10k
10k
4MHz
150
0
1
1
0.001
1
1
1k
10k
1k
100p
100p
0.001
C6
15p
0.001
0.22
33p
2.2
0
0
0.47
0.1
33k
1
1
10p
22
0.1
100
100
0.1
0.01
0.01
0.1
1
0.01
0.01
470k
470k
47
16V
220
10V
0.1
1
50V
1
50V
0.001
0.001
0
100p
470
18p
18p
18p
18p
15P
2.2
50V
12k
12k
470
4.7k
MAZ8180GM
0.001
2.2k
BD3447AFV
1
50V
1
50V
1k
10k
10k
1k
100p
100p
1
50V
1
50V
0
R413
0
JC497
0
JC499
0
0.0022
0.0022
100p
0
18p
10p
0.1
4p
2p
100p
100p
(ANTENNA IN)
68k
12p
10
50V
6P
0.1
MAZ8068GMLS0
MAZ8068GMLS0
UDZSUSTE-176.8B
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
E12
E13
E14
E16
C1
C2
C3
C4
C5
C7
C8
C9
C10
C11
C12
L-CLK
L-CE
L-DA
SIR
KEY0
KEY1
NOSE-SW
RE-0
RE-1
I2C-SCL
I2C-SDA
I2C-SDA
I2C-SDA
BEEP
STB
DIAG
ATT
I2C-SCL
SACLK
SADATA
KEY-1
KEY-0
CE-LCD
DATA-LCD
CLK-LCD
PANEL
+B
SIRCS
RE-1
D-GND
AUX-RCH
AUX-LCH
RE-0
AUX-GND
KEY-GND
REAR/SUB AUDIO OUT
BUS AUDIO IN
FRONT AUDIO OUT
(CHASSIS)
(3/3)
(CHASSIS)
(CHASSIS)
ELECTRICAL VOLUME,
INPUT SELECT
PLL
2.2μH
1μH (BT2850)
TEF6617T
(BT2850)
0
100
FB1
0
L2
R3
0
FB2
(BT2800: US, CND/BT2850:E)
(BT2800: AEP, UK/BT2807E/BT2850:EA)
R431, 441
(BT2800: US, CND/BT2850)
(BT2800: AEP, UK/BT2807E)
R
L
R
L
R
L
MUTING
Q431,441,451,461,471,481
(BT2850)
(BT2850)
BT2800: US,
CND
(BT2850)
BT2800: AEP, UK/
BT2807E/BT2850
(BT2800: AEP, UK/BT2807E)
220
1K
1K
Q431, 441
(BT2800: US, CND/BT2850)
(BT2800: AEP, UK/BT2807E)
RTAN140C-T112A-1
RT1N140C
RT1N140C
(BT2800/BT2807E)
(BT2800: US, CND)
(BT2800: US, CND/BT2850)
Q441
R431
R441
RTAN140C-
T112A-1
RTAN140C-T112A-1
RTAN140C-
T112A-1
(Page 24)
(Page 23)
(Page 27)
Click on the first or last page to see other MEX-BT2800 / MEX-BT2807E / MEX-BT2850 service manuals if exist.