5-7. Schematic Diagram - Main Section (2/7) - Sony CMT-BT60 Service Manual

5-7. SCHEMATIC DIAGRAM - MAIN Section (2/7) -
1 2
MAIN BOARD (2/7)
A
B
C
D
E
>107S
CDM-FWD
CDM-RVS
MAIN
BOARD
(6/7)
(Page 41)
F
FE_5V
G FE_5.2V_TRAY
>108S
FE_5.2V_M
MAIN
BOARD
FE_GND_M
(7/7)
(Page 42)
GND
H
CMT-BT60/BT60B/BT80W/BT80WB
• See page 48 for IC Block Diagrams.
3 4
IC841
DC/DC CONVERTER
IC841
BD00GA3WEFJ-E2
R895
(5.1) (3.3)
47k
8 VCC Vo 1
(0.8)
7 NC FB 2
6 NC GND 3
(5.1)
5 EN NC 4
C841 C892 R896
1 0.1 15k
C854 C851
0.015 330p
IC851
SL872
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
IC851
SL851
AM5890S
R851
27k
(1.4)
1
VINFC MUTE
CL852
2
TRB_1 BIAS
SL854
CL853
R854 R850
3
REGO2 VINTK
10k 10k
CL854
(1.5)
4 VINSL+ TRB_2
CL855
5
REGO1 RESET
CL856
(0)
6
FWD VINLD
CL857
(0)
7
REV GND
29
PGND PGND
(5.2)
8
Vcc1 VCTL
(0)
9
VOTR– VCCD
(0)
10 VOTR+ Vcc2
(3.5)
11
VOSL+ VOLD–
(1.6)
12
VOSL– VOLD+
(2.3)
13
VOFC– VOTK–
(2.7)
14
VOFC+ VOTK+
C850 C858
100 0.1
10V
5 6 7
R889 R888
SL880 15 15
Q881
2SA2119K
AUTOMATIC POWER
C880 R884
CONTROL (FOR DVD)
100 47k
10V
(3.2)
C893 C845 C881 R881 R880
0.1 1 0.01 100 10k
R878 C877
10k 0.1
C876
330p
R876
27k
(3.2)
28
(1.4)
27
(1.4)
26
CL875
25
C873 R873
CL874
0.1 15k
24
(1.3)
23
22
30
CL871
(1.4)
21
CL870
20
(5.2) R837
R840
19 1
10k
(2.6) 1/2W
18
(2.4)
17
(2.6)
16
(2.5)
15
C870 C869
100 0.1
10V
R838 C837 C839
10k 0.1
37 37
CMT-BT60/BT60B/BT80W/BT80WB
8 9
CL840
R887 R897 R898 R899
15 15 15 15 SL890
Q891
2SA2119K
AUTOMATIC POWER
C890 R894
(3.1) CONTROL (FOR CD)
100 47k
10V
(3.3)
(2.4)
(1.8)
(0)
R882 R892 C891 R891
100k 100k 0.01 100
SL873
SL835
SL836
C834
0.1
JL836
JL835
JL834
JL833
JL832
JL831
C833
0.1
SL831
SL832
CL892
CL891
0.1 D839 D837
RB520S-30FJTE61
RB520S-30FJTE61
Note: IC851 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
10 11
FE_LD_CD
FE_LD_DVD
FE_CD_LDD
FE_DVD_IOP
FE_DVD_LDD
FE_5V
FE_DMO
FE_FOO
FE_TRO
FE_VREFO
>102S
FE_MUTE
MAIN
FE_FMO
BOARD
FE_TRK+
(1/7)
(Page 36)
FE_TRK–
VCTL
FE_FCS+
FE_FCS–
FE_OPO
LOAD+
LOAD–
FE_OP–
FE_LIMIT
FE_3.3V
CN831
6P
6
SL+
5 SL–
4 OP1
NC(LIMIT)
OPTICAL
PICK-UP
3 NC(GND)
BLOCK
2 (CMS-S76RFS7G)
SP+
(2/2)
1
SP–