Schematic Diagram - Main Section (3/4) - Sony CDX-G1200U Service Manual

CDX-G1200U/G1201U/G1202U/G1280UM
4-7.

SCHEMATIC DIAGRAM - MAIN Section (3/4) -

1 2 3
MAIN BOARD (3/4)
A
B
C
(Page 20)
>002S
1
MAIN
2
BOARD
R206
(1/4) 220
D
C253
470
16V
E
25
(Page 23)
26
>006S
27
R400
28 22
MAIN
BOARD 29
(4/4)
30
F
LTC014YUBFS8TL
C450
47
25V
G
LND251
(CHASSIS)
H
I
Note: IC001 on the MAIN board cannot replace with sin-
gle. When this part is damaged, replace the complete
mounted board.
CDX-G1200U/G1201U/G1202U/G1280UM
• See page 24 for Waveforms. • See page 24 for IC Block Diagrams.
4 5 6
IC201
REGULATOR
IC201
LV56851UV-XH
C251
220
16V
FB800 FB801
C211
100
16V
R202
0
R361
220
RR_IN RR
C436
R362 R19
10
220 0
RL_IN RL
R363
220
FL_IN FL
R364 C437 R460
220 220p
FR_IN FR
R461
C439
10k
1
RL
Q407
DTA014EEBTL C442
1
RR
13.9 0.1
Q407 - 409
MUTING CONTROL
C426
10
13.9
0
R443
0.1
120k
Q408
C432
Q409 DTA014EEBTL
10
0.1
R444
100k
SUB
7 8 9 10
J402
REAR
J801
(REMOTE IN)
R L
SUB
FB802
Q403 Q404
LTC914TUBFS8TL LTC914TUBFS8TL LTC914TUBFS8TL
MUTING MUTING
0 0
0 0
R466 R467 R416
R464 R465
10k 10k 10k
680 680
C443 C444
4.7 4.7
IC400
R459
0
LINE AMP
IC400 R454
12k NJM8065RB1-TE1 0
4.2 1 8 9
VCC
R455 C440
4.2 2 7 4.2
12k 220p
4.1 3 6 4.2
R463 4 5 4.1
100 VEE
R457
100
IC402
LINE AMP, CENTER VOLTAGE GENERATOR
IC402
R462 NJM8065RB1-TE1 R439 C429
100k 12k 220p
4.1 1 8 9
VCC
4.2 2 7 4.2
4.1 3 6 4.2
4 5 4.1
VEE
R441
C421
100
1
22 22
11 12 13
J01
(ANTENNA IN)
FB1 C20
1
FB01
Q410
MUTING
0
10
X1
12MHz
C10
0.1
0
C11
0.22
C12
R422
1k 0.001
3.2 1
VDDA_IFADC
C416
2
10
VSSA_IFADC
2.6 3
IC001
VBGP
R453 1.2 [1.5] 4
10 FM_CAP
1.2 [1.5] 5 FM/AM RECEIVER
FM_IN_M
IC001
1.2 [1.5] 6
C13
SDP2014HN/V102
FM_IN_P
1
3.2 7
VDDA_RF
8
VSSA_RF
C5
33p
R456
10k
L6
C4 220nH
R458
4.7p
100k
L1
R437 C2 220nH
18p
10
C6 C15
R8
4p 0.001
100
R438
0
C3
L2 L5
1000p
0.82uH 3.3uH
L3
220nH
R440
10k
VDR1 R4 C8 C16
RSB12ZT2L 1M 10p 0.0015
R442
100k
14 15 16
IC002
+3.3V REGULATOR
IC002
BU33UC3WG-TR
4 3 5
NC STBY
2
GND
3.2 5 1 5
VOUT VIN
C21 C28 C30
1 10 1
R30 R31
10k 10k R14
100
C24
33p R15
10k
C25
33p
24 2.9
SDA
23 R16
VSSD_IO 10k
22 3.2
VDDD
21
R27
VSSD
100
20
IC_20
19
I2S_SD_1
18
CL002
I2S_BCK
17
I2S_WS
L10
4.7uH
FB806
C31 R263
0.001 0
R262
0
MAIN
>005S
BOARD
(2/4)
(Page 21)