Sony HT-7200DH / STR-K7200 Service Manual ▷ View online
STR-K7200
STR-K7200
17
17
6-3. BLOCK DIAGRAM - DSP/XM Section -
A
M
DATA0, BCK, LRCK, CKOUT
G
MUTE
LRCK
DATA0
SD1
INPUT SELECTOR
IC1008
2 A0
3 B0
CKOUT
5 A1
6 B1
SD0
BCK
SD2
SD3
11 A2
LRCK
BCK
10 B2
MCK
13 B3
Y0 4
Y1 7
Y2 9
S
1
1
Y3 12
14 A3
• SIGNAL PATH
D_AUDIO
F
DATA SELECTOR
IC1017
1 A
2 B
Y 5
A/B
6
C
HDMI_ERR
30
DSP_SELECT
22
SYSTEM CONTROLLER
IC1010 (2/4)
D FLIP-FLOP
IC1014
78 DPSIA
79 DPSIB
88 DPLRCK
INVERTER
IC1016
HDMI_RSRA
TE
50
94 DPFSCK
89 DPBCK
16 FLAG1
82 DPSIE
81 DPSID
80 DPSIC
DSP
SPDIF(LA
T)
65
DSP
RESET
64
DSPINT
81
XSPIDS
XRESET
FLAG0
DSP
IC1009
D/A CONVERTER
IC1452
2 MCK
3 BCK
4 LRCK
9 DIN3
7 DIN1
8 DIN2
10 DIN4
VO1L 21
VO1R 22
VO2L 23
VO2R 24
VO3L 25
VO3R 26
DPDVLRCK
64
DPDVBCK
DPSOA
DPSOB
DPSOC
DPSOD
87
65
66
67
86
DSP
SPICLK
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
143
142
X1302
25MHz
XTAL
CLKIN
SD0-3, MCK, BCK, LRCK
97 XNONAUDIO
B
AUDIO
ERR
115 DCAC_IN
122 121 15
75
DSP
MOSI
74
DSP
MISO
73
SPICLK
MOSI
MISO
125 121 126
DAC_A
TC
26
DCAC_DSP_IN
82
DAC_DI
4
DACMUTE
27
11 13 14
M/I2S
MD/DM
MUTE
12
MC/IWL
LINE AMP
IC1404
LINE AMP
IC1405
LINE AMP
IC1406
5
SRCXIN
3
SCTXOUT
11
RESET
∗
19
18
COMRXM
COMRXP
LINE AMP
IC104
XM RECEIVER
IC102
D/A CONVERTER
IC105
J101
XM
+D
-D
3
2
2
22
23
COMTXM
COMTXP
28
26
OSCIN
OSCOUT
X101
45.1584MHz
15
ML (MS)
1
2
BCK
DATA
∗
16
3
SCK
LRCK
39
37
I2SSCLK
I2SDATA
7
VOUTL
8
VOUTR
R-CH
XML
43
41
I2SOCLK
I2SLRCLK
14
MC
13
MD (MDI)
XMRESET
94
XMIXMO
92
XMMOXI
93
XMDACMD1
3
XMDACMC
1
XMDACMS
2
R-CH
R-CH
SL
L, C, SW, SL
C
L
SW
R
P
• R-ch is omitted due to same as L-ch.
AUTO
CAL MIC
J2000
MIC AMP
IC2000
RESET SIGNAL
BUFFER
IC1005
62
RESET_TRG
55
INIT
RESET SIGNAL
GENERATOR
IC1007
RESET
SWITCH
IC1006
STBY +3.3V
D1504
(Page 15)
(Page 15)
(Page 16)
(Page 15)
(Page 15)
(Page 16)
(Page 18)
(Page 18)
STR-K7200
STR-K7200
18
18
SYSTEM CONTROLLER
IC1010 (3/4)
10
DA
TA
11
CLK
L CH
R CH
DO
DI
INL1 (TUNER_L)
63
VOL_CLK
10
VOL_DA
11
27
LOUT 76
RECL1 29
FM 75
Ω
COAXIAL
72
69
26
69
26
DVD
AUDIO IN
ANTENNA
TUNER (FM/AM)
AM
INL2 (DMPORT_L)
61
L+
R+
14
13
CN1302 (2/3)
R-CH
CLINK_RX
CLINK_TX
6
5
CN1302 (3/3)
INPUT SELECTOR,
ELECTRICAL VOLUME
IC400
R-CH
FM ANT
GND
AM ANT
GND
CLOCK
CE
TUN_DO
TUNER DATA
TUNER CLK
TUN_LAT
TUNER DATA
TUNER CLK
TUN_LAT
INL9
47
INL7
51
TV IN
J401 (1/2)
SA-CD/CD
CD-R IN
L
R
L
R
R-CH
R-CH
INL12
41
INL11
43
J403
SAT
AUDIO IN
L
R
L
R
R-CH
R-CH
VIDEO 2 IN/
PORTABLE AV IN
AUDIO
INL5
55
INL15
34
SLIN
68
CIN
70
SWIN
71
LIN
72
J298 (2/2)
L
R
R-CH
BUFFER
IC3002
117
SD
TUNE SD
100 CLINK_RX
99 CLINK_TX
DET
7
101 C_LINK_DET
• SIGNAL PATH
: TUNER
: AUDIO (ANALOG)
• R-ch is omitted due to same as L-ch.
A_AUDIO
N
DMPORT
DMPORT
P
XML
VIDEO 1
AUDIO IN
INL13
38
J404 (1/2)
L
R
R-CH
FLOUT 14
P_DET
Q
SL
L, C, SW, SL
C
L
SW
R
J401 (2/2)
L
R
SA-CD/CD
CD-R OUT
CD-R OUT
R-CH
RECL2 27
J404 (2/2)
L
R
VIDEO 1
AUDIO OUT
R-CH
+VOUT1 2
NF1 5
-VOUT1 3
LIMITER
Q701, 702
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q711, 712
IN1
6
POWER AMP
IC700
AF POWER
PROTECT
Q720
RELAY
DRIVE
Q350
RELAY
DRIVE
Q375
PROTECT
OR
68
16 17
VACS_CTRL
119
PROTECT
SWITCH
Q320, 321, 325
SLOUT 18
+VOUT1 2
NF1 5
-VOUT1 3
LIMITER
Q801, 802
BOOSTER
Q803
BOOSTER
Q804
CURRENT
DETECT
Q811, 812
IN1
6
POWER AMP
IC800
AF POWER
PROTECT
Q820
COUT 16
+VOUT2 12
NF2 9
-VOUT2 11
LIMITER
Q651, 652
BOOSTER
Q653
BOOSTER
Q654
CURRENT
DETECT
Q661, 662
IN2
8
POWER AMP
IC600
AF POWER
PROTECT
Q670
SWOUT 15
+
−
+
−
RELAY
DRIVE
Q301
RY301
RY355
RY360
RY350
RY375
RELAY
DRIVE
Q360
R-CH
R-CH
+
−
+
−
R-CH
RELAY
DRIVE
Q355
+
−
HP_DETECT
HP_R
Y
SW R
Y
C/SUR/SB
12 13
FRONT
A
R
Y
14
D1112
D1111
D1108
D1107
J790
PHONES
TB601
L
R
FRONT
TB604
L
R
SURROUND
SPEAKERS
TB607
CENTER
J405
SUB WOOFER
AUDIO OUT
6-4. BLOCK DIAGRAM - AUDIO Section -
(Page 17)
(Page 17)
(Page 15)
(Page 19)
STR-K7200
STR-K7200
19
19
(AC IN)
F901
B+
B-
POWER AMP -45V
FL -20V
TU +9V
VIDEO +5V
DSP +3.3V
DSP +1.2V
HDMI +3.3V
HDMI +1.8V
XM VCC (+5V)
XM +3.3V
HDMI +5V
FL +5V
DMPORT +5V
VIDEO -5V
A-7V
A+5V
A+7V
SYS +3.3V
9
POWER_RY
25
FUSE_DETECT
7
86
XMDPOWER
HDMI_REG_CTL
SYSTEM CONTROLLER
IC1010 (4/4)
71 FL_DATA
70 FL_CLK
69 FL LAT
70 FL_CLK
69 FL LAT
FLUORESCENT
INDICATOR TUBE DRIVER
IC100
7
DIN
8
CLK
9
STB
FLUORESCENT
INDICATOR
TUBE
FL101
SEG1 – SEG16,
SEG17
14 – 29, 31
GRID1 – GRID1
1
42 – 32
84 SIRCS_IN
ROTARY
ENCODER
RV101
LEVEL SHIFT
IC101
REMOTE CONTROL
RECEIVER
IC103
INPUT
SELECTOR
I/
S109 – 112, 115
85 POWER KEY
113 AD_KEY1
S101 – 108
114 AD_KEY2
90
89 INPUT ENCODER A
S100
INPUT ENCODER B
ROTARY
ENCODER
RV102
MASTER
VOLUME
VOLUME
80
79 VOL_JOG (2B)
VOL_JOG (2A)
Q
83
STOP
97
SUBT
P_DET
K
5VPWR
SUB POWER
TRANSFORMER
T904
RELAY DRIVE
Q901
RECT
D950 – 953
RECT
D910 – 913
RECT
D921
AC OFF DETECT
Q990
RY901
D990, 991
+3.3V
REGULATOR
IC1904
+5V
REGULATOR
IC201
+9V
REGULATOR
IC1902
+4.1V
REGULATOR
IC4100
+3.3V
REGULATOR
IC3527
+1.8V
REGULATOR
IC3528
+1.2V
REGULATOR
IC1002
+3.3V
REGULATOR
IC3526
+3.3V
REGULATOR
IC1013
+6.3V
REGULATOR
IC4001
+7V
REGULATOR
IC350
-20V
REGULATOR
Q930
B- SWITCH
Q500, 501
+5V
REGULATOR
IC1001
+5V
REGULATOR
IC3516
+5V
REGULATOR
IC1031
+5V
REGULATOR
IC1012
+5.5V
REGULATOR
IC106
B+ SWITCH
Q105, 106
+5V
REGULATOR
IC107
+3.3V
REGULATOR
IC101
MAIN POWER
TRANSFORMER
T901
PROTECT DETECT
IC565
RECT
D4001, 4002
-5V
REGULATOR
IC202
-7V
REGULATOR
IC352
F4002
F4001
RECT
D955
B+ SWITCH
Q951, 955
6-5. BLOCK DIAGRAM - POWER SUPPLY Section -
(Page 16)
(Page 18)
STR-K7200
STR-K7200
20
20
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• f :
internal
component.
•
2 : nonfl ammable resistor.
•
5 : fl usible 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
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with a VOM (Input impedance 10 M
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
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 :
AUDIO
(DIGITAL)
F :
AUDIO
(ANALOG)
f :
TUNER
E :
VIDEO
For Printed Wiring Boards.
Note:
•
•
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.)
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
Caution:
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
• Circuit Boards Location
Caution:
Pattern face side:
(Conductor Side)
Pattern face side:
(Component Side)
Pattern face side:
(Conductor Side)
Pattern 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.
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.
DISPLAY board
VIDEO board
MAIN board
DIGITAL AB board
TUNER (FM/AM)
XM board
HDMI board
DCDC CONVERTER board
STANDBY board
POWER board
DCAC board
HEADPHONE board
VIDEO 2 board
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