Read Sony STR-DH740 Service Manual online
STR-DH740
STR-DH740
18
18
5-4. BLOCK DIAGRAM – ANALOG VIDEO/USB Section –
4
5
VIN1
VIN2
VIDEO DRIVER
IC2354
OUT
VSW
1
6
22
21
DECODER
IC4100
USBDP
USBDM
25
LED_PLAY/LRCK/SPDIF
9
8
7
6
4
2
KEY_ROW3/SDA
KEY_ROW2/SCL
KEY_ROW1/BUSY
KEY_COL3/MCHNG
KEY_COL1/IRPT
O
RESETX
15
14
63
66
64
70
65
68
69
USB_SDA
USB_PCONT
USB_OVC
USB_SCL
USB_BUSY
USB_MCHNG
USB_IRPT
O
USB_RESET
HDMI CONTROLLER
IC3000 (1/2)
POWER CONTROL
IC4102
OVER VOLTAGE CONTROL
IC4101
56
54
55
USB_IP_Reset
USB_IP_SDA
USB_IP_SCL
4
13
12
RESET
I2C_SDA
I2C_SCL
USB MEMORY
IC3002
8
6
V_MUTE
V_SEL_SW2
SYSTEM CONTROL
IC2100 (4/6)
MUTE
PROTECTION
Q281 ~ Q283
XOUT_PLL
XIN_PLL
5
59
4
3
EN
FAULT
EN
J218 (1/2)
J218 (2/2)
VIDEO
VIDEO IN
VIDEO
SAT/CATV IN
VIDEO
MONITOR OUT
CN106
+D
-D
USB
DIGITAL
SECTION
(Page 16)
(Page 16)
D
X4100
16.9344MHz
6LJQDOSDWK
: AUDIO (DIGITAL)
: VIDEO
: USB
: VIDEO
: USB
DC5V
1A MAX
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