STR-DH550/DH750
STR-DH550/DH750
18
18
5-4. BLOCK DIAGRAM – ANALOG VIDEO/USB Section –
4
5
VIN1
VIN2
VIDEO DRIVER
IC200
OUT
VSW
1
6
22
21
DECODER
IC2900
USB_DP
USB_DM
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
95
98
94
90
96
93
91
USB_SDA
USB_PCONT
USB_OVC
USB_SCL
USB_BUSY
USB_MCHNG
USB_IRPT
O
USB_RESET
HDMI CONTROLLER
IC2602 (1/2)
POWER CONTROL
IC2901
OVER VOLTAGE CONTROL
IC2902
11
10
9
APPLE_SDA
APPLE_SCL
APPLE_RST
2
6
7
APPLE_SDA
APPLE_SCL
APPLE_RST
APPLE AUTHENTICATION
COPROCESSOR
IC2603
99
98
VMUTE
VSEL-SW
29
P-CONT
SYSTEM CONTROL
IC2001 (4/6)
MUTE
PROTECTION
Q200 ~ Q201
XOUT_PLL
XIN_PLL
5
99
4
3
EN
FAULT
EN
>005B
DIGITAL SECTION
(Page 16)
MD0
Prog_VURX
SCK
Prog_VUTX
CN2601
1
5
4
3
PROGRAMMING JIG
(HDMI KSV)
73 Prog_VURX
71 Prog_VU_SCK
72 Prog_VUTX
47 MD0
64
BT-PCONT
65
BT_VUTX
66
BT_VURX
3.3V
BTRX
BTTX
CN2600
12
5
9
8
LCH_N
RCH_P
LCH_P
3
4
RCH_N
2
BT MODULE
3.3V VOLTAGE
CONTROL
Q2604
RCH-N
RCH-P
LCH-P
LCH-N
>001B
ANALOG AUDIO
SECTION
(Page 15)
J200 (1/2)
J200 (2/2)
VIDEO
VIDEO IN
VIDEO
SAT/CATV IN
VIDEO
MONITOR OUT
CN106
+D
-D
USB
STBY3.3V
X2900
16.9344MHz
6LJQDOSDWK
: AUDIO (DIGITAL)
: VIDEO
: USB
DC5V
1A MAX
DH750
DH750
VOLTAGE
CONTROL
Q2600