Sony HT-7200DH / STR-K7200 Service Manual ▷ View online
STR-K7200
13
1. DCAC DSP Data Line Checking
After press the [TUNING MODE] button, DCAC Factory test
mode will start, below display will show:
mode will start, below display will show:
“DCAC x”
x = 1, 2, 3, 4
If there is error happen, below display will show:
“ERR SD0x” x = 1
→ D1501 or R1530 problem
x = 2
→ D1502 problem
x = 3
→ D1503 problem
x = 4
→ D1504 problem
2. DCAC board Checking
Connect front left speaker of the receiver and AUTO CAL micro-
phone. Turn [MASTER VOLUME] jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
phone. Turn [MASTER VOLUME] jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
“AD - xxx”
xxx = 0 to 255 (depends on loudness of test tone)
RE-BOX CLASSIFICATION TEST MODE
Procedure:
1. While pressing the [MEMORY/ENTER] and [INPUTMODE]
Procedure:
1. While pressing the [MEMORY/ENTER] and [INPUTMODE]
buttons, press the [
?/1
] button to turn on the main power.
2. The message “R.BOX
[][][]XX” appears.
XX: times set powered on
VACS CONTROL TEST MODE
The VACS feature of the amplifi er is turned off purposely.
Procedure:
1. While pressing the [MEMORY/ENTER] and [2CH] buttons,
The VACS feature of the amplifi er is turned off purposely.
Procedure:
1. While pressing the [MEMORY/ENTER] and [2CH] buttons,
press the [
?/1
] button to turn on the main power.
2. The message “VACS OFF” appears.
STR-K7200
14
SECTION 5
ELECTRICAL CHECK
FM AUTO STOP CHECK
signal
generator
set
Procedure:
1. Turn on the set.
2. Input the following signal from signal generator to FM antenna
1. Turn on the set.
2. Input the following signal from signal generator to FM antenna
input directly.
Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
Deviation
: 75 kHz
Modulation
: 1 kHz
ANT input
: 1 kHz
Note: Use 75 ohm coaxial cable to connect signal generator and the set.
You cannot use video cable for checking.
Use signal generator whose output impedance is 75 ohm.
3. Set to FM tuner function and scan the input FM signal with
automatic scanning.
4. Confi rm that input frequency of A, B and C are detected and
automatic scanning stops.
When the station signal is received in good condition, automatic
scanning stops.
scanning stops.
STR-K7200
STR-K7200
15
15
6-1. BLOCK DIAGRAM - MAIN Section -
SECTION 6
DIAGRAMS
EEPROM
IC1131
SYSTEM CONTROLLER
IC1010 (1/4)
DIGITAL OPTICAL
RECEIVER
IC1352
DIR_DO
DIR_DI
DIR_CLK
DIR_CE(LA
T)
DIR ERROR
DIR_XMODE (RESET)
DIR_XST
ATE
DIR DA
TA0
63
DATA0, BCK
LRCK, CKOUT
DOUT
7
SCKI
12
BCK
8
LRCK
13 VINL
14 VINR
6
XMCK 20
DATAO 16
BCK 14
LRCK 15
CKOUT 13
AUDIO 24
46
TV OPT
IN
DIGITAL OPTICAL
RECEIVER
IC1351
OPT SAT
IN
SCHMITT
TRIGGER
IC1303
DIGITAL AUDIO
INTERFACE RECEIVER
IC1301
DIN2
J1301
5
COAX IN
DVD
DIGITAL
A/D CONVERTER
IC1401
21
22
X1301
12.288MHz
XOUT
XIN
DIRCKST
39
D1301
57
58
X1
X0
98 EEPROM DATA
78 EEPROM CLK
X1101
12.5MHz
A
• SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
• R-ch is omitted due to same as L-ch.
DATA SELECTOR
IC1302
1C2
5
1C3
3
1C1
6
DIN0
3
1Y 7
2
B
CKSEL0
DOUT
DI
CLK
CE
XMODE
XST
ATE
ERROR
14
A
TC74HC153_A
36
TC74HC135_B
35
CEC DATA
SWITCH
Q1103 – 1106
HDMI_TX
HDMI_RX
HDMI RESET 104
103
103
29
CEC OUT
CEC IN 88
AUDIO
A_AUDIO
D_AUDIO
B
N
M
ERR
C
CEC
D
48 47 45 46
49
29
38
RESET, TX, RX
E
J
SPDIF
R-CH
35 36 38 37 48 17 34
VIDEO 1 IN
VIDEO 1
VIDEO IN
VIDEO 2 IN/
PORTABLE AV IN
VIDEO
DVD
VIDEO IN
SAT
VIDEO IN
DMPORT_VIDEO
17
J1302 (1/2)
J210 (1/2)
J211 (1/2)
J298 (1/2)
DMPORT
VIDEO 1
VIDEO OUT
MONITOR
VIDEO OUT
J210 (2/2)
J220 (1/2)
J221
J211 (2/2)
VIDEO AMP
IC210
VIN3
7
VIN1
13
VIN5
3
VIN4
5
VIN2
9
VOUT1 1
VOUT2 15
SW1
14
SW2
10
SW3
4
SW4
6
SW5
2
34
V_SW1
33
V_SW2
32
V_SW3
31
V_SW4
D211
D210
D210
: VIDEO
COMPONENT
VIDEO
VIDEO AMP
IC220
CH1 IN1
1
CH2 IN1
8
CH3 IN1
17
CH1 IN2
3
CH2 IN2
14
CH3 IN2
15
CH1 IN3
5
CH2 IN3
12
CH3 IN3
13
SW1
2
SW2
4
PS
23
35
COMP_S1
36
COMP_S2
37
PS(V
-MUTE)
P
B
/C
B
Y
P
R
/C
R
DVD IN
P
B
/C
B
Y
P
R
/C
R
SAT IN
P
B
/C
B
Y
P
R
/C
R
J220 (2/2)
CH1 OUT 24
CH2 OUT 22
CH3 OUT 20
P
B
/C
B
Y
P
R
/C
R
COMPONENT
VIDEO
MONITOR OUT
(Page 16)
(Page 17)
(Page 17)
(Page 18)
(Page 17)
(Page 17)
(Page 16)
(Page 16)
STR-K7200
STR-K7200
16
16
6-2. BLOCK DIAGRAM - HDMI Section -
• SIGNAL PATH
: AUDIO (DIGITAL)
: VIDEO
HDMI CONTROLLER
IC3519
CN3501
HDMI
SAT IN
A32
52
B32
51
7
9
9
A33
55
B33
54
4
6
6
A34
58
B34
57
1
3
3
A31
49
B31
48
10
DATA0+
DATA0–
DATA0–
DATA1+
DATA1–
DATA1–
DATA2+
DATA2–
DATA2–
CLOCK+
CLOCK–
CLOCK–
SDA (5V)
SCL (5V)
+5V POWER
HOT PLUG DET
18
CEC
13
12
16
15
15
HDMI
INPUT
SELECTOR
IC3503
55
P5V_SELA
56
P5V_SELB
SDA3
45
19
HPD3
44
SCL3
46
CN3502
HDMI
DVD IN
A22
71
B22
70
7
9
9
A23
74
B23
73
4
6
6
A24
77
B24
76
1
3
3
A21
68
B21
67
10
DATA0+
DATA0–
DATA1+
DATA1–
DATA1–
DATA2+
DATA2–
DATA2–
CLOCK+
CLOCK–
CLOCK–
SDA (5V)
SCL (5V)
+5V POWER
HOT PLUG DET
18
CEC
13
12
16
15
15
SDA2
63
19
HPD2
62
SCL2
64
CN3503
HDMI
VIDEO 2/
BD IN
A12
9
B12
8
7
9
9
A13
12
B13
11
4
6
6
A14
15
B14
14
1
3
3
A11
6
B11
5
10
DATA0+
DATA0–
DATA1+
DATA1–
DATA1–
DATA2+
DATA2–
DATA2–
CLOCK+
CLOCK–
CLOCK–
SDA (5V)
SCL (5V)
+5V POWER
HOT PLUG DET
18
CEC
13
12
16
15
15
SDA1
2
19
HPD1
80
SCL1
3
RX_HPD1
HDMI RECEIVER
IC3511
HDMI
TRANSCEIVER
IC3513
Y1 34
Z1 35
51
50
50
Y2 31
Z2 32
55
54
54
Y3 28
Z3 29
59
58
58
Y4 25
Z4 26
63
RXC+
RXC–
RXC–
RX0+
RX0–
RX0–
RX1+
RX1–
RX1–
RX2+
RX2–
RX2–
DSDA
DSCL
DSCL
62
41
PWR5V
44
42
CSDA
CSCL
CSCL
39
40
40
SCL_SINK 38
HPD_SINK 40
xOE 42
SDA_SINK 39
S1 21
S2 22
S3 23
S2 22
S3 23
LEVEL
SHIFT
IC3501
(1/2)
LEVEL SHIFT
IC3507
S [1]
S [2]
S [3]
S [2]
S [3]
SIGNAL SELECTOR
IC3504
2Y2
2
2Y3
4
2Y1
5
3
2-COM
10 9
A B
21
51 52 53
S [1]
S [2]
S [3]
TMDS_S1
TMDS_S2
TMDS_S3
DATA SELECTOR
IC3521
EEPROM
IC3509
2Y1
5
2Y0
1
1Y1
14
1Y0
12
3
2-COM
13
1-COM
5 SDA
6 SCL
EEPROM1
10
A
7
WP
35
TMDS_OEB
54
RX_RST
19
MUTE
65
RX_INT
20
TX_INT
43
TX_RST
42
CSCL
27
CSDA
28
124 – 121,1
17 – 1
14,
11
1 – 108, 105 – 99,
96 – 92
QE0 – QE23
79 – 75, 70 – 67
65 – 61, 58 – 49
D0 – D23
ODCK 119
HSYNC 128
VSYNC 1
DE 127
SPDIF 70
SD0 – SD3
4
24
MCK 79
SCK 76
WS 75
MUTE 67
RESET 89
INT 91
IDCK
66
HSYNC
1
VSYNC
2
DE
80
74 – 71
SPDIF
5
SD0 – SD3
MCK
6
SCK
12
WS
11
10 – 7
TX0+ 30
TX0– 29
TX0– 29
7
9
9
TX1+ 33
TX1– 32
TX1– 32
4
6
6
TX2+ 36
TX2– 35
TX2– 35
1
3
3
TXC+ 27
TXC– 26
TXC– 26
10
HPD
DATA0+
DATA0–
DATA0–
DATA1+
DATA1–
DATA1–
DATA2+
DATA2–
DATA2–
CLOCK+
CLOCK–
CLOCK–
SDA (5V)
SCL (5V)
SCL (5V)
HOT PLUG DET
CEC
18
19
12
16
15
15
13
DSDA 19
DSCL 20
INT 17
RESET 42
CSDA 44
CSCL 43
LEVEL
SHIFT
IC3501 (2/2)
LEVEL
SHIFT
Q3504
CN3504
HDMI
OUT
SPDIF
LRCK
MCK
BCK
SD0 – SD3
85
84
XTALIN
XTALOUT
X3501
28.322MHz
10
RESET
RESET, TX, RX
D
13
11
XIN
XOUT
X3502
10MHz
B+ SWITCH
Q3505-3507
Q3505-3507
F
G
E
33
TX
34
RX
CEC
MUTE
SD0-3, MCK,
BCK, LRCK
J
41
TX_5VPWR
K
5VPWR
(Page 15)
(Page 17)
(Page 15)
(Page 17)
(Page 15)
(Page 19)
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