Sony CMT-DH50R / CMT-DH70SWR / HCD-DH50R / HCD-DH70SWR Service Manual ▷ View online
HCD-DH50R/DH70SWR
HCD-DH50R/DH70SWR
29
29
5-4. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
I-TOUCH_SENSOR_INT
O-TOUCH_SENSOR_RESET
O-TOUCH_SENSOR_RESET
DIN 55
FAN +11V
POWER ON
MUTING
Q257
OSC
Q623
T621
DC/DC
CONVERTER
RECT
D621, D622
HP +11V
FL -22V
AC 3.2V
LED DRIVE
Q581, Q582
O-KEY VOLUME LED 42
O-TOUCH-POWER-ON 9
O-SYSTEM POWER_ON 75
I-AC_DET 59
+5V
REGULATOR
IC504
A +5V
+12V
REGULATOR
IC710
AMP +12V
+5V
REGULATOR
IC2010
HDMI +5V
AMP +27V
SW +9V
+5V
REGULATOR
IC1004
DMB A+5V
+3.3V
REGULATOR
IC505
EVER +3.3V
D757
USB_SW
+3.3V
REGULATOR
IC702
+1.8V
REGULATOR
IC704
SM +1.8V
ADC +3.3V
A +9V
RESET SWITCH
Q550
FAN MONITOR
Q671 – Q673
M002
(FAN)
B+ SWITCH
Q2005
RESET SIGNAL
GENERATOR
IC503
GRID DRIVE
Q621
FLUORESCENT
INDICATOR
TUBE DRIVER
IC621
OVER VOLTAGE
DETECT
Q430
SYSTEM PROTECT
MONITOR
Q563
SYSTEM PROTECT
MONITOR
Q564
RESET 90
I-AC-CUT 10
O-MTK_RST 26
FAN MOTOR
DRIVE
Q670, Q674, Q675
I-SYSTEM-PROTECT2 33
O-MTK_POWER_ON 77
I-SYSTEM-PROTECT 12
+3.3V
REGULATOR
IC2008
DMB +3.3V
SW +5V
+3.3V
REGULATOR
IC2003
CPU +3.3V
+1.8V
REGULATOR
IC2004
CPU +1.8V
OVER CURRENT
DETECT
IC6001
USB_OCD
XRST
USB_OCD,
USB_SW
USB_SW
+3.3V
REGULATOR
IC2002
RF +3.3V
+5V
REGULATOR
IC7004
USB +5V
+3.3V
REGULATOR
IC6002
SW +3.3V
D495
CPU A+3.3V
F
G
SYSTEM CONTROLLER
IC401 (3/3)
M
M
ND621
FLUORESCENT
INDICATOR
TUBE
O-FL_DATA
84
GR1
GR2 – GR11
SG1 – SG35
32
CLKB 54
O-FL_CLK
86
CSB 53
O-FL_CE
74
RSTB 52
O-FL_RST
73
33 – 42
61 – 64, 1-31
AD1
60
AD2
59
LED DRIVE
Q622
O-LED_STBY
68
D624
(STANDBY)
O-BUZZER
BZ621
S621, S623
80
REMOTE
CONTROL RECEIVER
IC622
I-RMC
81
I-WAKE_UP
83
I-KEY1
58
S624 – S627
I-KEY3
56
KEY
BOARD
I/O-TOUCH_SENSOR_DATA
2
O-TOUCH_SENSOR_CLK
1
79
78
78
92
91
X401
32.768kHz
95
94
X402
25MHz
XT1
XT2
X1
X2
(DH50R: RU, SP, TW, KR, TH/DH70SWR: RU)
(AC IN)
T603
SUB POWER
TRANSFORMER
T31
MAIN POWER
TRANSFORMER
F1
LINE
FILTER
T1
RECT
D1
D603
D14
4
POWER
CONTROL
IC601
VCC
5 DRAIN
2 FB
POWER
CONTROL
IC11
1 VSENSE
2 F/B
9 OCP
16 VG-H
ISOLATOR
PH601
ISOLATOR
PH602
SHUNT
REGULATOR
IC901
18
VD
SWITCHING
Q12
12 VG-L
SWITCHING
Q11
15 VS
8 VC1
Q601
RECT
D904
D33
TH1
ISOLATOR
PH11
+
+3.3V
REGULATOR
IC907
D902
D906
D907
+5.5V
REGULATOR
IC903
+9V
REGULATOR
IC904
PROTECT
DETECT
Q904
D911
D914
D923
POWER ON/OFF
CONTROL
Q901
RECT
D903
POWER ON/OFF
CONTROL
Q905
Q907
Q906
D913
AC DETECT
Q902, 903
+9V
REGULATOR
IC905
: Singapore model
Abbreviation
SP
: Thai model
TH
: Taiwan model
TW
: Korean model
KR
: Russian model
RU
(Page 27)
(Page 27)
Ver. 1.1
HCD-DH50R/DH70SWR
HCD-DH50R/DH70SWR
30
30
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
• 2 : Nonfl ammable resistor.
• C : Panel designation.
• 2 : Nonfl ammable resistor.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– DMB20 Board –
no mark : DVD PLAY
( ) : CD PLAY
– Other Boards –
no mark : TUNER (FM/AM)
• Voltages are taken with VOM (Input impedance 10 M
no mark : DVD PLAY
( ) : CD PLAY
– Other Boards –
no mark : TUNER (FM/AM)
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
J
: CD/DVD PLAY
F :
AUDIO
f :
TUNER
(FM/AM)
E :
VIDEO
O :
USB
h :
AUDIO
IN
N :
MIC
• Abbreviation
KR
KR
: Korean model
RU
: Russian model
SP
: Singapore model
TH :
Thai
model
TW :
Taiwan
model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• DMB20 board is multi-layer printed board.
However, the patterns of intermediate-layers have not
However, the patterns of intermediate-layers have not
been included in this diagrams.
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
• Abbreviation
KR
KR
: Korean model
RU
: Russian model
SP
: Singapore model
TH :
Thai
model
TW :
Taiwan
model
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Circuit Boards Location
MAIN board
DMB20 board
JUNCTION board
KEY board
TUNER (FM/AM)
VIDEO-OUT board
SP-CONN board
PANEL board
JACK board
USB board
POW-SUPPLY board
MS-214 board
Ver. 1.1
HCD-DH50R/DH70SWR
HCD-DH50R/DH70SWR
31
31
5-5. PRINTED WIRING BOARDS - DVD SERVO Section -
1
2
8
9
1
25
1
19
C1
E1
B1
B2
E2
C2
2
1
7
6
1
12
13
48
24
25
36
37
R2090 R2091
R3033
R3034
R3035
R3036
R2098
R3038
R2099
R3039
RB2002
RB2003
RB2004
R3041
RB2005
R3042
RB2006
RB2007
R3044
RB2008
RB2009
RB2010
RB2011 RB2012
RB2013 RB2014
R4002
R4003
R4005
ET6001
ET6002
X2001
C2102
C2103
C2104
C2105
C2106
C2107
C2108
C2110
C2111
C2112
C2113
C2114
CN5001
FB2001
FB2002
FB2005
C5001
C5002
C5003
C5004
C5005
C5006
C5007
R2120
R2105
FB2012
R2106
R2107
FB2014
C5010
R2108
FB2015
FB2016
FB2017
FB2019
R2110
R2112
R2113
R2114
R2115
R2119
CL1001
L2002
L2003
L2004
L2005
R5001
R2122
R5002
R5003
R2123
R2124
R2125
R5005
R2129
R2130
R2133
R5013
R2134
R5014
R2139
R2140
R2142
R2143
R2148
CN6001
R2158
C6001
C6002
C6004
C6005
C6007
C6008
C6009
CN1001
R2162
R2163
R2164
R2165 R2166
R2168
C1001
C1002
R2170
C1004
R2171
C1005
C1006
R2173
C1007
R2174
C1008
CL2001
CL2002
CL2003
C1010
CL2004
C1011
CL2005
C1012
CL2006
CL2007
C1014
CL2008
C1015
CL2009
R6001
R6003
C1018
C1019
R6005
R6006
CL2010
R6008
CL2011
R6009
IC6001
IC6002
C1020
CL2014
C1021
C1023
CL2017
C1024
CL2018
R6010 R6012
C1027
R6013
C1028
R6014
R6015
R6016
R6017
CL2020
R6018
R6019
R1005
JL2001
CL2022
CL2023
CL2024
CL2026
IC1002
CL2027
IC1003
CL2028
IC1004
R6021
CL2029
R6022
R6023
R1010
R6024
R6025
R6027
R6028
CL2030
CL2031
CL2032
CL2033
R1019
R1020
R6035
R1021
C7001
R1025
R1028
C7004
R1029
C7005
C7007
C7008
C7009
CN2001
R6042
CN2002
R6043
R1030
R6044
CN2004
R1031
R6045
CN2005
R1032
R6046
CN2006
R6047
R6048
C7012
C7013
C7015
C2001
C7016
C7017
C7018
Q2001
Q2002
Q2003
C2008
Q2004
C2009
Q2006
Q2007
Q2008
Q2009
CL3001
CL3002
CL3003
C2010
CL3004
CL3005
C2012
CL3006
C2013
CL3007
C2014
CL3008
CL3009
R7003
C2019
CL3010
CL3011
CL3012
CL3013
C2020
IC7004
C2021
C2022
C2023
C2024
C2025
C2026
C2027
C2028
D2004
R2002
R2003
R2006
C2030
R2008
C2031
ET4001
IC2001
C2032
IC2002
C2033
C2034
IC2004
C2035
C2036
IC2006
C2037
C2038
R2010
IC2008
R2011
IC2009
R2013
R7028
R2014
R2015
R2016
R2017
R2018
IC2010
R2019
C2044
R7031
C2045
R7032
C2046
R2020
R7034
R2021
R7035
R2022
R2023
R2024
R2025
C2051
R2029
C2053
C2054
C2055
CN3001
C2056
CN3002
C2057
C2058
R2030
R2036
C2060
C2061
R2039
C3001
C2062
C3002
C3003
C2064
C3004
C2065
C3005
C3006
C3007
R2040
C3008
R2041
R2043
R2044
R2045
R2048
C3010
C2071
R2049
C3011
L5001
C2074
C3014
C2075
C3015
C3016
C2077
C3017
R2050
C3018
C3019
C2080
R2058
R2059
C2085
C2087
C2088
R2060
C3029
R2063
R2064
R2066
R3006
R3007
R2068
C3030
R3008
R2069
R3009
IC3001
R2070
R3010
C2099
R3011
R3012
R3013
R2074
R3014
R3015
R2076
R3016
R3017
R2078
R3018
R3019
R2080
R3020
R3021
R3022
R3023
R3024
R2085
R3025
R2087
R3027
R3028
R2089
R3029
R2092
R2093
R2094
R2095
R3037
RB2001
R3051
R3052
JL5001
JL5002
JL5003
JL5004
JL5005
C2100
C2101
C2109
C2115
FB2003
FB2004
FB2006 FB2007
FB2008
FB2009
R2103
FB2010
R2104
FB2011
R2109
FB2018
R2116
R2117
R2118
R2121
R5004
JL6001
R2126
JL6002
JL6003
JL6004
JL6005
IC5001
R2131
R2132
R2135
R2136
R5016
R2137
R5017
R5018
R5019
JL1001
JL1002
JL1003
JL1004
R2144
R2145
R2146
R2147
R2160
R2161
R2167
R2172
CL2012
CL2013
CL2015
CL2016
CL2019
R1001
R1002
R1003
CL2021
JL2002
R1007
JL2003
JL2004
CL2025
JL2005
JL2006
JL2007
JL2008
JL2009
R1012
JL2010
JL2011
JL2012
R1017
JL2013
JL2014
JL2015
JL2016
JL2017
JL2018
JL2019
R1022
R1024
JL2020
JL2021
C7002
JL2022
C7003
JL2023
JL2024
JL2025
C7006
JL2026
JL2027
JL2028
JL2029
JL2030
C7011
JL2031
JL2032
JL2033
C7014
JL2034
JL2035
JL2036
JL2037
C2003
JL2038
C2004
JL2039
Q2005
JL2040
JL2041
JL2042
JL2043
C2011
D7002
D7003
JL2048
R7001
JL2049
C2015
D7006
R7002
D7007
R7004
C2018
R7005
R7006
R7007
R7008
JL2050
R7009
IC7001
JL2051
IC7002
JL2052
IC7003
JL2053
JL2054
JL2055
JL2056
JL2057
JL2058
JL2058
R7011
JL2059
R7013
R7014
R7015
C2029
R2001
R7016
R7017
R7018
JL2060
R7019
R2005
JL3001
JL3002
JL2063
R2007
JL3003
JL2064
JL3004
JL2065
R2009
JL3005
JL2066
JL3006
JL2067
JL3007
IC2003
R7020
JL3008
R7021
JL3009
IC2005
R7022
R7023
IC2007
R7024
R7025
C2039
R7026
R2012
R7027
JL3010
R7029
JL3011
JL3012
JL3013
C2040
JL3014
C2041
C2042
R7030
C2047
C2048
C2049
R2026
R2027
C2050
R2028
C2052
R2031
R2032
R2033
R2034
R2035
C2063
C2067
C2069
C3009
R2042
R2046
R2047
C2070
C2072
C3012
C2073
C2076
C2078
C2079
R2051
R2052
R2053
R2054
R2055
R2056
R2057
C3020
C2081
C3021
C2082
C2084
C2086 C2089
R2061 R2062
R2065
C2090
C2091
C2092
C2093
C2094
C2095
C2096
C2097
C2098
R2071
R2072
R2073
R2077
R2079
R2082
R2083
M001
(LOADING)
CN001
S001
S002
S001
(DISC IN/OUT)
S002
(CHUCKING)
S003
(TRIGGER)
S003
7
1
6
2
1
3
4
5
1
3
4
5
1
3
4
5
1
14
8
7
1
16
9
8
1
3
4
5
5
1
4
8
5
1
4
8
5
1
24
25
48
1
27
28
54
1
256
64
65
128
129
193
192
1
1
1
5
6
6
1
4
1
2
23
24
E
E
E
E
A
USB BOARD
CN352
D
POW-SUPPLY
BOARD
CN901
B
VIDEO-OUT
BOARD
CN652
C
VIDEO-OUT
BOARD
CN651
E
MAIN
BOARD
CN500
1
3
1-879-149-
11
DMB20 BOARD
(COMPONENT SIDE)
HDMI OUT
S2G2D1
D2G1 S1
E
(NC)
(CHASSIS)
1
2
3
1
2
3
S2
G2
D1
D2
G1
S1
OPTICAL
PICK-UP
BLOCK
(KHM-313CAB)
(CHASSIS)
(CHASSIS)
DH50R: AEP, RU/
DH70SWR
(DH50R: SP, TW, KR, TH)
DH50R: RU, SP, TW, KR, TH/
DH70SWR: RU
1-879-149-
11
11
(11)
DMB20 BOARD
(CONDUCTOR SIDE)
1
4
8
5
1
4
8
5
1 4
8 5
1
16
17
32
1
4
8
5
1
3
4
5
D
1
3
4
5
5
DH50R: RU, SP, TW, KR, TH/
DH70SWR: RU
(DH50R: AEP/DH70SWR: AEP)
K K/A
A
K K/A
A
K
K/A
A
DH50R: RU, SP, TW, KR, TH/
DH70SWR: RU
S
G
M
1-862-780-
MS-214 BOARD
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
•
: Uses unleaded solder.
• See page 30 for Circuit Boards Location.
(Page 40)
(Page 36)
(Page 46)
(Page 42)
(Page 40)
Note: IC2005 and IC7004 cannot exchange with single. When these
parts are damaged, exchange the entire mounted board.
Ver. 1.1
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