Sony CMT-M90DVD / HCD-M90 Service Manual ▷ View online
HCD-M90
31
31
: DVD/CD PLAY (AUDIO)
: DVD/CD PLAY (VIDEO)
: DVD/CD PLAY (DIGITAL OUT)
10
9
13
12
15
7
4
2
8
15
13
3
10
7
14
81
53
54
14
1
2
1
3
4
VIDEO BUFFER
IC701 (SUFFIX-21) IC701 (SUFFIX-22)
H
I
G
B
OPTICAL
TRANSMITTER
IC321
J701
J700
VIDEO OUT
S VIDEO OUT
CLOCK GENERATOR
IC102 (SUFFIX-21) IC102 (SUFFIX-22)
X102
27MHz
84
X101
16.5MHz
18
63
48
• SIGNAL PATH
V, Y, C
SPDIF
ACH12, ACH34, ACH56,
BCK, LRCK
BCK, LRCK
XLDON, XSDPIT, XSDPCS
XDRVMUTE
XDRVMUTE
DVD SYSTEM
CONTROLLER
XLDON
XSDPIT
XSDPCS
XDRVMUTE
V
Y
C
INB
INC
INA
MUTE
OUTC1
OUTC2
OUTB1
OUTB2
OUTA1
OUTA2
33-1OUT
33-2OUT
27-1OUT
512-1OUT
XTO
XTI
FSEL
33MARP
33MAVD
27MAVD
512FSAVD
X1
X0
XLDON
INT2
CS5X
XDRVMUTE
48/44.1k
(Page 30)
(Page 30)
(Page 30)
(Page 29)
• R-CH : R-ch is omitted due to same as L-ch.
6
7
8
9
SDI0
SDI1
SDI2
BCKI
5
LRCKI
AUDIO
IN
INTERFACE
13
17
14
SI
SO
SCK
11
XCS
SERIAL
INTERFACE
DSP
MODLE
AUDIO
OUT
INTERFACE
37
SDO0
TEST
INTERFACE
48
XRST
ACH12
ACH34
ACH56
BCK
LRCK
BCK, LRCK
9
512-2OUT
LRCK
BCK
1
7
6
2
3
5
3
5
6
2
1
7
– IC301 –
7
IIS-IN-SD
8
IIS-IN-BCK
9
IIS-IN-WS
DATA
INPUT/
OUTPUT
INTERFACE
CIRCUIT
IEC958
DECODER
19
IIS-EXT-SEL
20
SPDIFSEL
15
SPDIF0
AUDIO FEATURE
PROCESSOR
INTERPOLATOR
NOISE SHAPER
12
MUTE
D/A
CONVERTER
CIRCUIT
VOUT L
VOUT R
22
R-CH
J
DVD-L
(Page 33)
D/A CONVERTER
IC302
26
25
27
51
SO0
SI0
SC0
XIFCS
RESET 1
1 DAC RESET
DATA SELECT
SWITCH
Q303
79 INPUT SEL
34 PLL-LOCK DET
33 SCLK
18
PLL LOCK
DETECT
Q306, 307
OPTICAL
DIGITAL OUT
83
20
76
MAMUTE
INT4
XFRST
36
35
37
19
XLT
DATA
CLK
SYSCS
56
54
60
SENS
LD ON
XFRST
SYSTEM CONTROLLER
F
XRST
(Page 30)
AUDIO DIGITAL
SIGNAL PROCESSOR
IC801 (SUFFIX-21) IC801 (SUFFIX-22)
E
(Page 30)
TRST
56
57
CKSW1
OCSW1
S1
DISC TRAY
OPEN/CLOSE
DETECT
29
28
38
80
SO1
SI1
SC1
VESCS/X39CS
D
33MARP, 33MAVD,
27MAVD, 512FSAVD
(Page 30)
3
MCLK
32
1
2
TXD
RXD
(FOR TEST)
31
CN103
SO2
SI2
CLOSE
OPEN
– IC802 (SUFFIX-21) –
– IC802 (SUFFIX-22) –
IC103 (2/2) (SUFFIX-21)
IC103 (2/2) (SUFFIX-22)
IC306 (1/4) (SUFFIX-11)
IC306 (1/4) (SUFFIX-12)
6-3.
BLOCK DIAGRAM – DVD MAIN Section (2/2) –
HCD-M90
32
32
MUTING
CONTROL SWITCH
Q404, 405
11
ALC
(AEP, UK)
TU1
TUNER UNIT
(EXCEPT AEP, UK)
FM75Ω
ANENNA
AM
4
3
5
9
8
10
7
1
4
13
14
2
DET AMP
Q302
16
2
18
X301
4.332MHz
RDS DECODER
(AEP, UK)
57
23
27
22
25
80
59
CAPSTAN/REEL
MOTOR DRIVE
Q341, 343
58
38
90
91
TRIGGER
PLUNGER DRIVE
Q342, 344
M
M
(TAPE DECK BLOCK)
(CAPSTAN/REEL)
SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY
: REC
FM ANT
ANT GND
ANT GND
AM ANT
L-CH
R-CH
R-CH
TUNED
DI
CK
CE
DO
FM DET
MUX
X1
X0
RDATA
RCLK
SYSTEM CONTROLLER
IC306 (2/4) (SUFFIX-11) IC306 (2/4) (SUFFIX-12)
RDS DATA
RDS-INT
TUNED
ST DOUT
ST CLK
ST CE
ST DIN
ALC
43
REC/PB
CAPM CONT1
BTRG
PLAY SW
END SW
TC SW
R-CH : R-ch is omitted due to same as L-ch.
41
REC MUTE
39
LINE MUTE
34
BIN (L)
15
13
14
28
EQ-OUT (L)
26
PB-OUT
(L)
TAI (L)
MUTE
REC/PB EQ AMP, ALC
IC401 (SUFFIX-12) IC401 (SUFFIX-32)
A/B
MUTE
REC-MUTE
24
23
REC-OUT
(L)
(L)
REC-IN
(L)
ALC
(L)
21
R-CH
R-CH
EQ
ALC
BIAS OSC
T401
REC BIAS
SWITCH
Q402, 403
COM +8V
BIAS OSC
Q401
REC BIAS
(L)
MUTING
Q100, 101
RV101
REC BIAS
(R)
RV201
L-CH
R-CH
ERASE
R-CH
HRPE901
(RECORD/PLAYBACK/ERASE)
R-CH
R-CH
T101
BIAS
TRAP
K
TU-L
(Page 33)
L
TC-L
(Page 33)
M
REC-L
(Page 33)
FM75Ω
27
TU
+9.5V
(AEP, UK)
IC326 (SUFFIX-14)
IC326 (SUFFIX-16)
6-4.
BLOCK DIAGRAM – TUNER/TAPE DECK Section –
HCD-M90
33
33
6-5.
BLOCK DIAGRAM – AUDIO Section –
: TAPE PLAY
: REC
: TUNER (FM/AM)
: DVD/CD PLAY (AUDIO)
87
88
86
89
STK MUTE
50
H/P DETECT
81
LINE MUTE
K
TU-L
(Page 32)
L
TC-L
(Page 32)
J
DVD-L
(Page 31)
M
REC-L
(Page 32)
INPUT SELECT SWITCH,
ELECTRICAL VOLUME,
TONE CONTROL
POWER ON
MUTING
Q330
MUTING
CONTROL SWITCH
Q312, 313
3
COM +12V
D309
MUTING
Q408, 409
MUTING
Q100
4
10
14
+
+
–
–
SJ301
L
R
SPEAKER
IMPEDANCE
USE 6 – 16Ω
R-CH
R-CH
J301
HEADPHONE AMP
IC324
MOS GAIN &
LEVEL SHIFT
LEVEL SHIFT
ING STAGE
MOS
OUTPUT
STAGE
SHORT
CIRCUIT
PROTECTION
IN+
IN+
MUT
MUT
STANDBY/MUTE
MUTE
STBY
POWER AMP
IC101 (SUFFIX-14) IC101 (SUFFIX-16)
R-CH
OUT
R-CH
R-CH
DC DETECT
Q310, 311
PHONES
100
DC DETECT
R-CH
INPUT
SELECT
SWITCH
L4
L3
L1
L2
11
12
14
13
9
LIN
10
LSELO
5
LOUT
VOLUME
CONTROL
TONE
CONTROL
30
1
DI
CL
2
CE
CPU
INTERFACE
R-CH
SJ302
L
R
AUDIO IN
MD (VIDEO)
9
R-CH
VOL-SDA
AMP SCK
AMP CE
84
STK PWR
SYSTEM CONTROLLER
IC306 (3/4) (SUFFIX-11) IC306 (3/4) (SUFFIX-12)
8
10
4
9
11
3
INVERTER
12
2
13
1
SIGNAL PATH
: MD (VIDEO)
R-CH : R-ch is omitted due to same as L-ch.
IC323 (SUFFIX-14)
IC323 (SUFFIX-16)
IC324 (SUFFIX-14)
IC324 (SUFFIX-16)
IC302 (1/2) (SUFFIX-11)
IC302 (1/2) (SUFFIX-12)
INVERTER
IC302 (2/2) (SUFFIX-11)
IC302 (2/2) (SUFFIX-12)
HCD-M90
34
34
36 – 34
KEY1 – KEY3
LIQUID CRYSTAL
DISPLAY
LCD802
SIRCS
4
12
RESET
RESET SIGNAL
GENERATOR
IC602
D333
D620
SYSTEM CONTROLLER
D814
(STANDBY)
LED DRIVE
Q809
CD-SYNC
LED
LED
47
STAND-BY LED
42
LED DRIVE
Q807
DSG-LED
45
LED DRIVE
Q806
TUNER
D810
TU-LED
49
LED DRIVE
Q805
DVD
D809
CD-LED
96
D/A CONVERTER
B+
B+
SWITCH
Q302
+9.5V
REGULATOR
Q301
82
STBY RLY
RECT
D906 – 909
RELAY DRIVE
Q902
RECT
D902 – 905
+12V
REGULATOR
Q355
+4V
REGULATOR
IC904
TUNER ON
SWITCH
Q303, 304
AMP +16V
AMP – 16V
D921
RECT
D910 – 913
D804 – 806
(LCD BACK LIGHT)
TU +9.5V
COM +8V
COM +12V
40
TUNER ON
65
SYSPWR
SW +3.3V
U-COM +3.3V
T902
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
RY901
(Singapore)
(EXCEPT Singapore)
(AC IN)
VOLTAGE
SELECTOR
S901
BACKUP +4V
S801 – 820
10
11
X801
32.768KHz
15
13
X802
16MHz
XCIN
XCOUT
XIN
XOUT
POWER ON/OFF
RELAY DRIVE
Q902
TC +3.3V
+3.3V
REGULATOR
Q309
+8V
REGULATOR
IC304
LCD STB 6
LCD RS 3
LCD DATA 5
LCD SCK 7
20
AC CUT
REMOTE CONTROL
RECEIVER
IC802
D919, 920
D622
RESET SWITCH
Q619
RESET SWITCH
Q618
D604
B+ SWITCH
Q635, 637
LED B+
+14V
+5V
REGULATOR
IC614
D+5V
A+3.3V
SERVO DSP
+3.3V
AV DECODER
+3.3V REGULATOR
IC301
+3.3V REGULATOR
IC502
D+3.3V
+1.8V
SERVO DSP,
AV DECODER
+1.8V
AV DECODER
+1.8V REGULATOR
IC006
M+12V
+1.8V REGULATOR
IC501
+4V
REGULATOR
IC605
COM +5V
COM +3.3V
+5V
REGULATOR
IC902
+3.3V
REGULATOR
IC903
+12V
REGULATOR
IC901
+12V
REGULATOR
IC901
POWER SWITCH
Q904
RECT
D914 – 917
74
POWER KEY
S803
51
BACK LIGHT
LED DRIVE
Q808
TAPE
D812
TC-LED
46
CD SYNCHRO
D813
DSG
D811
D602
IC802 (SUFFIX-11)
IC802 (SUFFIX-12)
IC306 (4/4) (SUFFIX-11)
IC306 (4/4) (SUFFIX-12)
LED DRIVE
Q811
LED DRIVE
Q812, 813
IC602 (SUFFIX-11)
IC602 (SUFFIX-12)
IC605 (SUFFIX-11)
IC605 (SUFFIX-12)
IC614 (SUFFIX-11)
IC614 (SUFFIX-12)
IC304 (SUFFIX-14)
IC304 (SUFFIX-16)
IC904 (SUFFIX-11)
IC904 (SUFFIX-12, -21)
IC301 (SUFFIX-21) IC301 (SUFFIX-22)
IC502 (SUFFIX-21) IC502 (SUFFIX-22)
IC006 (SUFFIX-21) IC006 (SUFFIX-22)
IC501 (SUFFIX-21) IC501 (SUFFIX-22)
IC902 (SUFFIX-11)
IC902 (SUFFIX-12, -21)
IC903 (SUFFIX-11)
IC903 (SUFFIX-12, -21)
IC901 (SUFFIX-11)
IC901 (SUFFIX-12, -21)
(SUFFIX-12)
6-6.
BLOCK DIAGRAM – KEY CONTROL/POWER SUPPLY Section –
Ver 1.3
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