Philips 221TE4LB/57 Service Manual page 38

38 Meridian 4
Remark: Parts position can be searched by using FIND function in PDF.
Debug Interface
EJTAG(Core MIPS) 3.3V
R4100 R4101 R4102
CN405 4.7K 1/16W 4.7K 1/16W 4.7K 1/16W 4.7K 1/16W
1 2
3 4
5 6
7 8
9 10
R4109 R4110 R4111
NC/CONN
NC 1K 1/16W
NC 1K 1/16W NC 1K 1/16W
JTAG FOR STB MODE
3VSB
R4114
NC/4.7K 1/16W
NC/CONN
9 10
7 8
5 6
3 4
1 2
CN406
R4116 R4117
NC/1K 1/16W NC/1K 1/16W
A/I? = NC
R4130
KEY _VOL_CH
R4131
KEY _PW_SU_MENU
R4132
LED_R
R4133
LED_B
R4103 R4104
NC 4.7K 1/16W
JTAG_TDI
JTAG_RSTN
JTAG_TMS
JTAG_TDO
JTAG_TCK
R4112 R4113
1K 1/16W
NC 1K 1/16W
STB_JTAG_TCK
STB_JTAG_TDO
STB_JTAG_TMS
STB_JTAG_TDI
0.05R
STB_JTAG_TDI
STB_JTAG_TDI
0.05R
STB_JTAG_TMS
0.05R
STB_JTAG_TDO
NC/0.05R
STB_JTAG_TCK
STB_JTAG_TMS
UART_VDD
3.3V
R4125 0.05R
UART_VDD
R4108 R4105
CN412
4.7K 1/16W 4.7K 1/16W
1 R4126 NC/0.05R
2 UART_TX
3 UART_RX R4127 NC/0.05R
4
NC/CONN
A/I? = NC
UART Port for MIPS
R4118
10K 1/10W
R4115
SXL_RESET#
100OHM1/16W
C4100
10N 50V
R4119
NC/ 10K 1/10W
STB_JTAG_TDI STB_JTAG_TDO
STB_JTAG_TDO
STB_JTAG_TCK
STB_JTAG_TCK
STB_JTAG_TMS
UART_VDD
R4122 NC
UART_TX R4123 NC
UART_RX R4124 NC
HP_TXD
HP_RXD
UART Port for STB MCU
3VSB
C4101
100N 16V
SW4100
2 5 4
1 4
GND VCC
2 3
RESET MR
1 3
NC/SW
U4100
G692L293TCUf 2.91V
A/I? = NC
MR has internal pull-up with 20K
3VSB
R4106 R4107
NC/4.7K 1/16W NC/4.7K 1/16W
STB_MCU_TXD
STB_MCU_RXD