Sony MEX-1HD Service Manual ▷ View online
MEX-1HD
57
57
6-30. SCHEMATIC DIAGRAM – POWER Board –
•
See page 37 for Waveforms.
•
See page 60 for IC Block Diagrams.
IC703
IC707
IC708
C742
R780
R718
R790
C720
C713
R707
R706
R705
R703
R793
C706
C705
C704
C703
R711
R708
R714
C707
C755
R710
C708
C710
R713
C709
R715
C754
C712
C711
D703
C715
C714
R720
R722
C756
C724
R723
C730
C729
C750
C751
R732
C731
D705
D704
R762
R733
L701
C735
C739
L702
R734
C740
C736
R735
R702
IC709
IC712
IC711
R768
C752
R796
C753
R785
R786
C734
C717
C719
C718
C716
R724
R726
R727
C725
C727
R758
R759
R760
R770
R776
R777
R721
R716
R791
R704
FL701
C745
IC713
IC702
R747
R778
C726
C728
R779
R781
C743
CN702
CN701
R794
R795
IC704
IC705
Q717
C744
Q710
Q708
IC701
Q707
Q704
Q705
Q706
Q713
R787
R788
R789
R767
R763
R766
D702
C757
C758
C759
C760
C761
R773
R772
XC62FP1802MR
XC612N4644MR
XC612N3129MR
0.1
100k
47k
0
10
0.1
22k
15k
47k
100k
0
0.1
0.01
33p
33p
15k
30k
160k
100p
330p
15k
0.001
0.001
16k
100p
51k
330p
0.001
0.001
EP05Q03L
0.22
0.22
2.2M
1
0.1
22
1
0.01
0.01
0.01
0.01
4.7k
47p
MA8051-L
MA111-TX
100k
0.015
0.1
120
6.3V
0.015
120
6.3V
0.1
100k
0
XC612N2016MR
TC74AC08FT
TC7W32FK
0
0.1
0
0.1
0
0
0.1
10
0.1
0.1
10
150k
150k
56k
10
0.1
0
0
0
0
0
0
10
2.2M
0
100k
0.1
XC612N1917MR
TPS77601PWP
2.2k
100k
10
0.1
100k
100k
0.1
24P
22P
0
0
SI4830DY
SI4830DY
UPA1716
0.1
DTC143ZKA
-T146
DTC143ZKA-T146
LTC1628CG
DTC143ZKA
-T146
DTC143ZKA
-T146
DTC143ZKA
-T146
DTC143ZKA
-T146
DTC143ZKA
-T146
0
0
0
0
0
0
EP05Q03L
0.01
0.01
0.01
0.01
0.01
0
0
GND
BATT
GND
SHIFT
PWM
SHIFT
PWM
BATT
MAIN_PON
ON_D1.8V
DRV9V
DRV_GND
TRAY_M+
TRAY_M-
DRV9V
TRAY_M+
TRAY_M-
DRV_GND
D3.3V_OK
D5V_OK
D1.9V_OK
D5V_OK
D3.3V_OK
D1.9V_OK
MAIN_PON
D3.3V_OK
D5V_OK
DD_ON
DD_ON
ON_D1.8V
BU_5.6V
BU_5.6V
MS1.8V_OK
MS1.8V_OK
MS1.8V_OK
G1
S2
G2
D1
D1
D2
D2
S1
G1
S2
G2
D1
D1
D2
D2
S1
GND
GND
GND
NC
EN
IN
IN
NC
GND
GND
GND
GND
NC
NC
PG
OUT
OUT
GND
GND
S
S
G
D
D
BATT
GND
D3.3V_OK
D1.9V_OK
D5V_OK
PWM
SHIFT
BATT
GND
GND
BATT
S
D
D
FB
D5.0V
SYS3.3V
MAIN_PON
DRV9V
DRV_GND
TRAY_M+
TRAY_M-
GND
GND
GND
D5.0V
D5.0V
D5.0V
D3.3V
D3.3V
D3.3V
SYS3.3V
SYS3.3V
SYS3.3V
D1.9V
D1.9V
DRV9V
DRV_GND
TRAY_M+
TRAY_M-
BU5.6V
NC(ON_D1.9V)
NC(ON_D1.8V)
NC(ON_D5.0V)
MS1.8V
MS1.8V
MS1.8V_OK
GND
VDET1
VIN1
VDET2
IN2
GND
VDET1
VIN1
VDET2
IN2
SNS1+
FREQ
STBMD
FCB
ITH1
SGND
SNS2-
SNS2+
VOSNS2
3.3VOUT
VOSNS1
RUN/SS1
GND
VDET1
VIN1
VDET2
IN2
IN
GND OUT
GND
VDET1
VIN1
VDET2
IN2
ON_D3.3V
1.8V_OK
ON_D1.8V
DRIVER
DRIVER
B+ SWITCH
VOLTAGE DETECT
VOLTAGE DETECT
VOLTAGE DETECT
VOLTAGE DETECT
+1.9V REGULATOR
+1.8V REGULATOR
B+ SWITCH
REGULATOR
ON/OFF
REGULATOR
SWITCHING
SNS1-
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
SWITCHING
SWITCHING
ITH2
10mH
10mH
TG1
SW1
VIN
BG1
EXTVCC
INTVCC
PGND
BG2
SW2
TG2
RUN/SS2
B00ST2
BOOST1
FLTCPL
(Page 53)
(Page 47)
MEX-1HD
58
58
6-31. PRINTED WIRING BOARD – DISPLAY Board –
•
See page 37 for Circuit Boards Location.
A
K
A
A
A
K
A
K
K
A
A
K
K
K
SOURCE
DSPL
OFF
DISPLAY BOARD
(SIDE A)
CLOSE
OPEN
MENU
M
S905 (F3)
S904 (F2)
S903 (F1)
A
K
A
A
A
A
K
K
A
K
A
K
A
A
A1
S1
A2
K1
S2
K2
A
A
K
K
K
K
K
K
A
K
FUNCTION
F
CD
REC
CD
HDD
D921 − 936, 947
950, 951
LSW901
A
K
A1
S1
A2
K1
S2
K2
D921 − 936, 947, 950, 951
(KEY ILLUMINATION)
DISPLAY BOARD
(SIDE B)
D904
REMOTE
CONTROL
RECEIVER
VOL
PUSH SOUND
ENC900
4
12
15
17
FL900
FLUORESCENT
INDICATOR TUBE
E
FP FLEXIBLE
BOARD
−
+
PUSH LIST
ENC901
IC902
IC903
IC904
IC901
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
1-685-151-
11
(11)
SUB BOARD
CN524
1
3
2
1-685-151-
11
(11)
D928
D-13
D929
C-12
D930
C-12
D931
C-1
D932
D-3
D933
C-2
D934
C-3
D935
B-2
D936
A-2
D937
F-9
D938
F-9
Ref. No.
Location
Ref. No.
Location
D904
G-2
D905
B-3
D906
G-5
D907
G-5
D921
A-12
D922
A-13
D923
B-12
D924
B-13
D925
B-12
D926
C-12
D927
D-12
• Semiconductor Location
Ref. No.
Location
D939
F-9
D940
F-9
D941
F-9
D942
F-9
D943
G-13
D944
G-13
D945
H-11
D946
H-11
D947
D-13
D950
B-13
D951
B-1
Ref. No.
Location
IC901
G-7
IC902
F-3
IC903
G-4
IC904
H-5
Q900
G-6
Q901
G-7
Q909
H-6
Q910
G-7
Q911
G-7
(Page 55)
MEX-1HD
59
59
6-32. SCHEMATIC DIAGRAM – DISPLAY Board –
•
See page 37 for Waveform.
•
See page 52 for IC Block Diagrams.
Q910
LSW901(1/2)
R995
R994
R993
R992
R949
FB911
FB912
FB913
FB914
D938
D937
D939
D940
D941
D942
D943
D944
D945
D946
R939
R938
R936
R937
R991
R940
IC904
C913
FB901
R925
R927
R929
R930
R931
R933
R934
C914
R924
C912
R926
C907
R920
R921
C911
C910
C909
C906
FB900
C905
C908
D905
R918
R916
Q911
R944
R998
R999
R943
R945
R905
R983
R902
R982
Q900
Q901
R947
R948
R997
R996
Q909
C904
D950
D951
D936
D935
R958
R959
R957
D933
D934
D932
D931
R956
R955
D929
D930
D927
D928
R954
R953
D925
D926
D924
D923
D921
D922
R951
R952
C902
R903
R904
C901
C903
C918
C915
X900
D906
CN901
C921
C920
C919
BP902
IC902
IC903
D907
R932
D904
IC901
FL900
R906
R989
D947
R946
R935
R923
R922
R919
R917
R915
R914
R913
R912
R911
R910
R908
R907
S901
LSW901(2/2)
S902
S903
S904
S905
S906
S907
S908
S909
S910
ENC900
ENC901
DTC144EK
0
0
0
100
10
02DZ6.8-X
02DZ6.8-X
02DZ6.8-X
02DZ6.8-X
02DZ6.8-X
02DZ6.8-X
02DZ6.8-X
02DZ6.8-X
02DZ6.8-X
02DZ6.8-X
1k
1k
1k
1k
0
0
XC61FN4012MR
0.1
470
1k
100k
100k
100k
100k
100k
0.1
1M
0.1
10
1
270k
100k
330p
0.1
22
6.3V
22
6.3V
0.1
47
6.3V
MA8051M
330
330
2SC2412K
-T-146-R
-T-146-R
4.7k
680
680
4.7k
4.7k
820
820
820
820
2SC2412K
-T-146-R
-T-146-R
2SC2412K
-T-146-R
-T-146-R
4.7k
4.7k
4.7k
10k
2SB1132
0.01
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
220
220
220
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
220
220
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
220
220
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
CL-190UB-X-T
220
220
0.1
100k
0
0.1
0.1
0.1
2.2
50V
50V
4MHz
MA111
18P
0.22
0.1
0.22
RRX9000-0601
RRX9000-0401R
MA111
100k
RRX9000-0501
SN74HC595ADBR
0
0
CL-190UB-X-T
4.7k
680
680
680
1k
1.5k
1.5k
2.2k
3.3k
4.7k
6.8k
10k
15k
22k
F
L
L
A
T
F
L
B
K
F
L
C
L
K
F
L
D
A
T
F
L
L
A
T
F
L
C
L
K
R
E
_
L
A
R
E
_
L
B
R
E
_
R
A
R
E
_
R
B
K
E
Y
0
K
E
Y
_
G
N
D
KEY_GND
F
L
D
A
T
FLDAT
FLLAT
FLCLK
FLBK
KEY0
RE_RB
RE_RA
RE_LA
RE_LB
F
(-)1
.0
V
F
L
+
4
8
V
F
(+
)4
.3
V
FL+48V
F(-)1.0V
F(+)4.3V
F
L
G
N
D
FLGND
L
E
D
_
O
N
L
E
D
_
O
N
R
E
C
_
B
L
U
E
R
E
C
_
B
L
U
E
R
E
C
_
A
M
B
E
R
R
E
C
_
R
E
D
R
E
C
_
R
E
D
R
E
C
_
A
M
B
E
R
Q
B
Q
C
Q
D
Q
E
Q
F
Q
G
Q
H
G
N
D
GND
KEY-GND
KEY0
SIRCS
RE_LB
RE_LA
RE_RB
RE_RA
ILL10V
FL_CLK
FL_LAT
FL_DATA
FL_BK
IN OUT
GND
VS
S
XIN
XO
UT
CN
VS
S
R
ESE
T
F0
F1
G
0/INT
VD
D
TO
UT
G1
/
V
_
L
IN
G
N
D
_
A
L
N
S
G
N
D
_
C
V
_
C
O
V
_
IN
V
_
A
G
C
N
C
V
C
C
N
C
V
_
P
O
L
_
IN
G
N
D
_
L
V
_
S
T
B
Y
N
C
N
C
NOSE_SW
F(+)4.3V
FL+48V
FL_3.3V
RESET
REMOTE CONTROL
RECEIVER
SIRCS
CONTROLLER
GENERATOR
RESET SIGNAL
REMOTE
CONTROL
RECEIVER
LED CONTROL
FLUORESCENT INDICATOR TUBE
(KEY ILLUMINATION)
D921-936,950,951
Q909,910
LED DRIVE
LED DRIVE
Q900,901
ILLUMINATION
KEY
DRIVE
LED
ROTARY
ENCODER
VOL
PUSH SOUND
ROTARY
ENCODER
PUSH LIST
-
+
DSPL
CD
HDD
REC
F
FUNCTION
(F1)
(F3)
(F2)
M
MENU
CD
OPEN
CLOSE
OFF
F(-)1.0V
SOURCE
D0
D1
D
2/C
D
3/K
S
0
S
1
S2
S3
G
3
G2
VC
C
Q
A
SI
R
CK
G
SC
K
SCHR
QH
'
(Page 50)
MEX-1HD
60
60
IC5
BD6609FV
• IC Block Diagrams
– SERVO Board –
– SERVO Board –
IC1
LA9246T-TLM
+
−
FBAL
FBAL
7
+
−
FBAL
FBAL
8
+
−
TBAL
TBAL
9
+
−
TBAL
TBAL
GHS
GHS
10
12
REF
REF
+
−
+
−
−
+
−
+
−
+
−
REF
REF
REF
28
30
31
29
+
−
+
−
REF
REF
26
25
24
23
22
27
SGC
SGC
SGC
−
−
+
TES
VCC
11
14
15
APC
13
+
−
6
5
3
2
1
4
REF
16
17
18
GHS
BHH
TBAL
FBAL
EQS
19
20
21
BH
AGC
BH
PH
EQ
REF
GHS
EQS
EQS
BHH
PH
32
33
35
36
34
PH
CONTROL
+
FE
REFL
GND2
FE−
TE
TSS
TS
VCC2
TSH
TE−
SGC
TBAL
FBAL
RHOLD
RFSM
BH
PH
VCC1
FIN1
FIN2
E
F
VREF
REFI
LDS
LDON
LDO
RFIN
RFA−
RFAO
PHC
BHC
GND1
GHS
BHH
EQS
UPPER
AND
LOWER
DISTRIBUTION
PRE-DRIVE
+
−
+
−
+
−
DRIVE
SIGNAL
COMPOSITION
LOGIC
EX-OR
TIMING
SELECTOR
2
3
4
8
9
10
5
6
7
1
19
18
17
16
15
14
20
START-UP
CONTROL LOGIC
PHASE
CONTROL
SLOPE
COMPOSITION
+
−
−
13
12
11
STAND-BY
THERMAL
SHUT DOWN
RF
UNI
VIN
CSL1
CSL2
GND
WIN
COM
CST
UOUT
WOUT
GSUB
VM
VCC
RIB
STBY
VOUT
BRK+
BRK−
FG
IC6
BA5918FP-Y
25
24
23
22
21 20 19 18
17
16
VCC
VCC
VCC
–
+
1
2
3
5
6 7
8
9
10
11
4
VIN4
VIN3'
VIN3
OP OUT
OP IN(–)
OP IN(+)
GND
VCC
VO3–
VO3+
VCC
BIAS-IN
VIN1
VIN2'
VIN2
GND
GND
STBY
VCC
VO2–
VO2+
12
13
VO1–
VO1+
–
+
–
+
+
+
–
–
–
+
+
+
–
–
LEVEL
SHIFT
STBY
15
14
–
+
VO4–
VO4+
–
+
LEVEL
SHIFT
–
+
–
+
–
+
–
+
LEVEL
SHIFT
LEVEL
SHIFT
–
+
+
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