Sony STR-DH740 (serv.man2) Service Manual ▷ View online
STR-DH740
49
IC400 BD3470KS2 (MAIN BOARD (4/4))
IC2354 NJM41010F1 (MAIN BOARD (3/4))
+
–
3
VCC
CLAMP
CLAMP
GND
OUT
6dB
75
: Driver
2
1
4
5
6
VIN1
VIN2
VSW
INL2
INR2
INL1
INR1
GND
SBLIN1
SBRIN1
SLIN1
SRIN1
CIN
SWIN1
FLIN
FRIN
GND
ADCROUT
ADCLOUT
GND
GND
SUB1 R
SUB1 L
FR IN2
FL IN2
SW IN2
C IN2
GND
SR IN2
SL IN2
SBR IN2
SBL IN2
RECR1
RECL1
RECR2
RECL2
GND
RECR3
RECL3
SUB2R
SUB2L
GND
GND
INR3
INL3
INR4
INL4
INR5
INL5
INR6
INL6
INR7
INL7
INR8
INL8
INR9
INL9
INR10
INL10
INL11
INR11
INL12
INR12
HPFN
LPF01
LPF02
LPFN2
GND
LPFN1
SWVOL
VCC
DGND
VEE
FROUT
FLOUT
SWOUT
COUT
SROUT
SLOUT
SBLOUT
SBROUT
MainL
MainR
Mode
selector
Mode
selector
Mode
selector
Logic
FR
Volume
FL
Volume
SW
Volume
C
Volume
SR
Volume
SL
Volume
SBR
Volume
SBL
Volume
Mode
selector
Sub2
Rec
Sub2
Main
Sub1
ADC
Main
Sub1
CLK
DATA
EQ
Multi1
Multi2
SubR1
SubR2
SubL1
SubL2
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
64
63
65
67
66
68
70
69
71
73
72
74
76
75
77
79
80
78
39
40
37
38
36
34
35
33
31
32
30
28
29
27
25
26
24
22
21
23
STR-DH740
50
IC101 RZ5B801-0001E2 (TUNER1 BOARD) (Mexican, US and Canadian models)
IC101 RZ5B801-0002E2 (TUNER1 BOARD) (AEP, Taiwan and Australian models)
GND 1
VDDRF VDD
VDD
FM Antenna
FM LNA
Filter
AGC
AMP
ADC
Digital
Mixer
FM
Demodulator
AM
Demodulator
Digital
AGC
Stereo
Decoder
DAC
LOUT
ROUT
LRCK
BCLK
IISD
IIS Controller
IIS
Generator
Station
Detector
Image
Control
RSSI
Calculation
VDD
SPI
12C
HOST Controller
Serial Interface / Registers
Digital Filters
Digital Signal Process
ADC
AGC
AMP
AMP
AM LNA
LOSC
XOSC
Clock
Generator
AM
TUNE
AM Antenna
2
CP2 3
FRF1 4
GNDRF 5
ARF1
ARF2
IIC / R DSI
LA
CK
VDD
GND
DA
IISD
IISD
LRCK / LOUT
Lch
Rch
BCLK / ROUT
BCLK
SW
VDD
X2
X1
CP1
SW
Amplifier
LRCK
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND 1
VDDRF VDD
VDD
FM Antenna
FM LNA
Filter
ADC
Digital
Mixer
FM
Demodulator
AM
Demodulator
Digital
AGC
RDS
Decoder
Stereo
Decoder
DAC
LOUT
ROUT
LRCK
BCLK
IISD
IIS Controller
IIS
Generator
Station
Detector
Image
Control
RSSI
Calculation
VDD
SPI
12C
HOST Controller
Serial Interface / Registers
Digital Filters
Digital Signal Process
ADC
AMP
AM LNA
LOSC
XOSC
Clock
Generator
AM
TUNE
AM Antenna
2
CP2 3
FRF1 4
GNDRF 5
ARF1
ARF2
IIC / R DSI
LA
CK
VDD
GND
DA
IISD
IISD
LRCK / LOUT
Lch
Rch
BCLK / ROUT
BCLK
SW
VDD
X2
X1
CP1
SW
Amplifier
LRCK
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AGC
AMP
AGC
AMP
STR-DH740
51
Pin No.
Pin Name
I/O
Description
1
VCC
-
Power supply pin (+3.3V)
2
EVOL_CLK
O
Serial data transfer clock signal output to the electrical volume
3
EVOL_DATA
O
Serial data output to electrical volume
4
HP_DET
I
Headphone detection signal input
5
No_Use
-
Not used
6
V_SEL_SW2
O
Composite video output signal switch
7
V_SEL_SW1
O
Composite video output signal switch
8
V_MUTE
O
Video muting control signal output to the video amplifi er
9
FL_ENABLE
I
Enable control for FL DISPLAY DRIVER IC
10
TUNER_CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
11
TUNER_MOSI
I/O
Serial data output to the tuner (FM/AM)
12
TUN_RDS_SIGNAL
I
RDS data signal input (for destination that support RDS only)
13
TUNER_CE
O
Serial data latch pulse signal output to the tuner (FM/AM)
14
DIR FSRATE
I
Sampling rate frequency from the digital audio interface receiver
15
DAC_IIC_SDL
I
IIC clock signal input from the D/A converter
16
DAC_IIC_SCA
I/O
IIC data input from the D/A converter
17
DIR_INT
I
DIR interrupt
18
DIR_XSTATE
I
Clock selection signal input from the digital audio interface receiver
19
DIR_SIGNAL
I
Audio serial data input from the digital audio interface receiver
20
DIR_RST
O
Reset signal output to the digital audio interface receiver
21
DIR_CE
O
Chip enable signal output to the digital audio interface receiver
22
DIR_MISO
I
Serial data input from digital audio interface receiver
23
DIR_SPICLK
O
Serial clock output to digital audio interface receiver
24
DIR_MOSI
O
Serial data output to digital audio interface receiver
25
VSS
-
Ground terminal
26
VCC
-
Power supply pin (+3.3V)
27
DSP_INT
I
Interrupt status signal input from DSP
28
DSP_SFLASH_HOLD
O
Hold signal output to the serial fl ash
29
DSP_RST
O
System reset signal output to the DSP “L” reset
30
NW_ADC_RST
O
Network: Disable (mute) the ADC
31
DSP_NPCM
I
SPDIF / IIS NPCM signal input from digital audio interface receiver / HDMI receiver
32
DSP_ERROR
I
SPDIF / IIS Error signal input from digital audio interface receiver / HDMI receiver
33
C
-
Regulator stabilization capacity connecting pin
34
VSS
-
Ground terminal
35
VCC
-
Power supply pin (+3.3V)
36
HDMI_CECOUT
O
CEC serial data output to the HDMI connector
37
DSP_SPICS
O
Chip select signal output to DSP
38
INITX
-
Main Micom Reset port
39
DSP_MISO
I
Serial data input from the serial fl ash and DSP
40
DSP_MOSI
O
Serial data output to the serial fl ash and DSP
41
DSP_SPICLK
O
Serial data transfer clock signal output to the serial fl ash and DSP
42
VCOM_RESET
O
Video Micom Ext Reset Input Pin
43
No_Use
-
Not used
44
VCOM_SDA (OUT)
O
IIC data output to the video micom
45
MU UART IN
I
IIC data input from the video micom
46
MD1
-
Selection of micon operation mode (Connect to VSS)
47
MD0
-
Selection of micon operation mode (Connect to VSS)
48
X0
-
Main oscillator connecting pin
49
X1
-
Main oscillator connecting pin
50
VSS
-
Ground terminal
51
VCC
-
Power supply pin (+3.3V)
52
INPUT_JOG
I
Function encoder signal input
53
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
54
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
• IC Pin Function Descriptions
DIGITAL BOARD (3/7) IC2100 MB9AF116NAPMC-G-JNE2 (SYSTEM CONTROL)
STR-DH740
52
Pin No.
Pin Name
I/O
Description
55
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
56
HDMI_CECIN
I
CEC serial data input from the HDMI connector
57
AD_KEY1
I
Key signal input (A/D port)
58
AD_KEY2
I
Key signal input (A/D port)
59
SIRCS_IN
I
SIRCS signal input
60
AVCC
-
Analog power supply pin for A/D converter
61
AVRH
-
Standard power supply pin for A/D converter
62
AVSS
-
Analog ground for A/D converter
63
VOLUME_JOG
I
MASTER VOLUME encoder signal input
64
White_LED
O
White LED control port
65
POWER_KEY
I
Power switch input terminal
66
LIMITER
I
Limiter signal input
67
TEMP_SENSOR_2
I
Thermal detection signal input from the thermal sensor
68
TEMP_SENSOR_1
I
Thermal detection signal input from the thermal sensor
69
DCAC_MUTE
O
DCAC MIC Mute
70
FL_BK
O
Blanking period signal output to the fl uorescent indicator tube
71
FLASH_CLK/POWER_
LED
O
Power on/standby LED control port
72
SO
O
Serial data output terminal (use for Firmware Flash Program)
73
SI
I
Serial data input terminal (use for Firmware Flash Program)
74
BT_MUTE
I
Bluetooth: Mute request from BT device to Video uCOM
75
VSS
-
Ground terminal
76
VCC
-
Power supply pin (+3.3V)
77
WF_HDMI_SEL
O
Audio selection between NETWORK and HDMI block
78
TCK
-
Test clock signal input terminal (for JTAG)
79
TDI
-
Test data input terminal (for JTAG)
80
TMS
-
Test mode selection signal input terminal (for JTAG)
81
TDO
-
Test data output terminal (for JTAG)
82
STDBY_LED
O
Standby LED
83
PWR_SW_C
O
Power control port C
84
PWR_SW_B
O
Power control port B
85
PWR_SW_A
O
Power control port A
86
HP_RY
O
Relay drive signal (for headphone) output terminal “H”: relay on
87
BRIDGEABLE_RY
O
Relay drive signal (for power supply) output terminal “H”: relay on
88
SBL_SBR_RY
O
Relay drive signal (for surround back) output terminal “H”: relay on
89
ZONE2_PREOUT_
SW_RY
O
Relay drive signal (for sub woofer) output terminal “H”: relay on
90
FRONT_SPK_RY
O
Relay drive signal (for front) output terminal “H”: relay on
91
C/SL_SR_RY
O
Relay drive signal (for center and surround) output terminal “H”: relay on
92
PROTECT
I
Protect detection signal input terminal
93
AC_CUT
I
AC off detection signal input
94
E2P_SCL
O
Serial data transfer clock signal output to the EEPROM
95
E2P_SDA
I/O
Two-way data bus with the EEPROM
96
V_COMP_SW2
O
Component video selection signal output to the video amplifi er
97
VCC
-
Power supply pin (+3.3V)
98
POWER_RY
O
Relay drive signal (for main power) output terminal “H”: relay on
99
FUSE_DET
I
Fuse open detect signal input
100
VSS
-
Ground terminal
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