Schematic Diagram - Main Section (2/9) - Sony HCD-SX7 Service Manual

2020/02/27 22:53:44 (GMT+09:00)
HCD-SX7/SX7B
5-6.

SCHEMATIC DIAGRAM - MAIN Section (2/9) -

1 2
MAIN BOARD
A
>106S
FE_3.3V
MAIN
BOARD
(1/9)
(Page 41)
B
C851 C852
1
FE_5V
GND
FE_DVD_LDD
C FE_LD_DVD
FE_LD_CD
FE_VREFO
FE_CD_LDD
FE_MUTE
FE_LIMIT
FE_FMO
>101S
FE_TRO
D MAIN
FE_FOO
BOARD
FE_DMO
(1/9)
(Page 41)
LOAD–
LOAD+
FE_FCS–
FE_FCS+
FE_TRK–
FE_TRK+
E
VCTL
FE_OP–
FE_OPO
>110S
CDM-FWD
F MAIN
CDM-RVS
BOARD
(5/9)
(Page 45)
G
H
>111S
FE_5V
FE_5.2V_TRAY
MAIN
BOARD FE_GND_M
(9/9)
FE_5.2V_M
(Page 49)
HCD-SX7/SX7B
• See page 56 for IC Block Diagrams.
3 4 5
(2/9)
IC851
+3.3V REGULATOR
IC851
S-13A1A33-E6T1U3
(4.9) 6 1 (3.3)
VIN VOUT
5 2
VSS_5 VSS_2
4 3 (4.9)
SSC
ON/OFF
R887
0
0.1
SL852
SL851
SL854 SL853
R852 R853
10k 27k
C855
330p
C856
0.015
R859
10k
CL857
R860
D851
C858
10k
RB520S-30FJTE61
0.1
D852 C859 R855 C854 C857
RB520S-30FJTE61 0.1 R861 1 100 0.1
10k 1/2W 10V
CL858
6 7
JL851
SL855
R876 R879
15 15
R869 C868
47k 47
(3.2)
Q851
R866
2SA2119K
10k
AUTOMATIC POWER
CONTROL (FOR DVD)
C860 C861 R867 C869
CL501
0.1 1 100 0.01
IC852
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
IC852
AM5890S
(1.4) 1 28 (3.2)
VINFC MUTE
2 27 (1.3)
CL851
TRB_1 BIAS
3 26 (1.3)
CL852
REGO2 VINTK
CL853
(1.5) 4 25
CL861
VINSL+ TRB_2
5 24
CL854 CL862
REGO1 RESET
CL855
(0) 6 23 (1.3)
FWD VINLD
CL856
(0) 7 22
REV GND
21
(5.2) 8 (1.4)
VCC1 VCTL
(0) 9 20
CL860
VOTR– VCCD
(0) 10 19 (5.2)
VOTR+ VCC2
(3.5) 11 18 (2.6)
VOSL+ VOLD–
(1.6) 12 17 (2.4)
VOSL– VOLD+
(2.3) 13 16 (2.6)
VOFC– VOTK–
(2.7) 14 15 (2.5)
VOFC+ VOTK+
42 42
8 9 10
SL856
R880 R881 R882 R884
15 15 15 15
C872 R885
(3.3) (3.1)
47 47k
(2.5)
Q852
2SA2119K
(0) (1.7)
AUTOMATIC POWER
CONTROL (FOR CD)
R877 R883 C873 R886
100k 100k 0.01 100
R878
27k
C867 C863
330p 0.1
R865
10k
C870 R875
0.1 15k
SL858
CL859
SL857
C878
0.1
C879
0.1
SL860
SL859
C865 C862
100 0.1
10V
11 12
CN851
6P
JL852
6 SL+
JL853
5 SL–
JL854
OP1
4 NC(LIMIT) OPTICAL
JL855
PICK-UP
3 NC(GND) BLOCK
JL856
CMS-S76RFS7G1/
2 SP+
CMS-S76RFS7GP
JL857
(2/2)
1 SP–
SYS SET