Philips 32PFL3606H/12 Service Manual page 36

EN 36 7. TPM6.1E LA
7.4.6 Reset IC
The set uses the power 3V3 to reset. When 3V3SB drops
below 2.93 V, IC U4007 will send a reset to the main processor
IC MT5366.
Reset IC +5VSB 3V3SB
R4030 R4030
0 OHM +-5% 1/10W 0 OHM +-5% 1/10W
R4029 R4029
NC/10K 1/10W 1% NC/10K 1/10W 1%
Reset- 3
R4037 R4037
NC/39K 1/10W 1% NC/39K 1/10W 1%
Figure 7-16 Reset IC
7.4.7 Connector to IR/Key board
The CN4003 is taking care of the control signals to the
IR/LED/keyboard board.
TO IR/KEY BOARD
16K 1/10W 5% 16K 1/10W 5%
Green_Button R4065 R4065 100R 1/10W 5% 100R 1/10W 5%
LED_G R4066 R4066 16K 1/10W 5% 16K 1/10W 5%
RC6 R4068 R4068
R4067 R4067
0R05 1/10W 0R05 1/10W
100R 1/10W 5% 100R 1/10W 5%
CN4004 CN4004
NC/CONN NC/CONN
3V3SB
+5VSB
Figure 7-17 Connector to IR/Key board
7.4.8 Connectors CN4005 and CN4006
Both connectors CN4005/CN4006 is for iTV purposes only.
For LCD Clock
LCD_Clock_SDA
LCD_Clock_SCL
iTV
R4072 R4072
RC6
100OHM1/16W 100OHM1/16W
Figure 7-18 Connectors CN4005 and CN4006
2011-Jun-10
Circuit Descriptions
U4007 U4007
MAX809STRG MAX809STRG
1
VCC GND
R4117 R4117
ORESET#
0 OHM +-5% 1/10W 0 OHM +-5% 1/10W
R4038 R4038
100K1/16W 100K1/16W
19080_220_110325.eps
3V3SB
FB4002 FB4002
R4062 R4062
600R/200mA 600R/200mA
R4061 R4061
1K 1/10W 1K 1/10W
C4063 C4063
2U2 16V 2U2 16V
Key1
Key2
+5V_SW
LIGHT_SENSOR
1
2
3
4
5
19080_221_110325.eps
CN4005 CN4005
1
3V3SB
2
R4070 R4070 3
100 OHM 1/10W 100 OHM 1/10W
100 OHM 1/10W 100 OHM 1/10W R4069 R4069 4
5
+5VSB
3V3SB
BAV99 BAV99
D4002 D4002
R4073 R4073 NC/0 OHM +-5% 1/16W NC/0 OHM +-5% 1/16W
NC/0 OHM +-5% 1/16W NC/0 OHM +-5% 1/16W
R4071 R4071
3V3SB
19080_222_110325.eps
7.4.9 Connector CN4008
CN4008 is the service connector, CN4001 is for iTV models.
U0TX
U0RX
7.4.10 Audio Amplifier
The platform uses I
110401
pins 27, 28, 29 and 30 of IC U6006.
AUD_V33
100N 16V 100N 16V
C6053 C6053
OSDA1
OSCL1 R6065 R6065
R6066 R6066
CN4003 CN4003
1
2
3
4
5
6
7
8
9
10
11
12
CONN CONN
7.4.11 Mute circuit
110325
It is DC drop detect circuit. The +5VSB is monitored, when it
turned off or will be too low, the OFF_MUTE/Mute_339 will
send out a high pulse to turn on the related mute circuit.
Mute CKT
R6073 R6073
NC/0R05 1/10W NC/0R05 1/10W
CN4006 CN4006
CONN CONN
1
2
3
4
5
110401
back to
div. table
3V3SB
3V3SB
BAV99 BAV99
D4001 D4001
R4080 R4080
R4079 R4079
4.7K1/16W 4.7K1/16W
4.7K1/16W 4.7K1/16W
R4081 R4081
100 OHM 1/10W 100 OHM 1/10W
R4082 R4082
100 OHM 1/10W 100 OHM 1/10W
Figure 7-19 Connector CN4008
2
S to link the audio amplifier IC, it is using
EAPD
TP TP TP6012 TP6012
TW
I2S AUDIO AMP
TP TP TP6013 TP6013
19
PWRDN EAPD/OUT4B
20
TWARN/OUT4A
VDD_PLL 21
VDD_DIG
22
GND_DIG
PLL_FILTER 23
PWRDN GND_REG
24
VDD_PLL
25
FILTER_PLL
PLL_GND 26
GND_PLL
XTI 27
XTI
BICKI 28
BICKI
LRCLKI 29
LRCKI
SDI 30
SDI
R6083 R6083 0R05 1/16W 0R05 1/16W
AMP_RESET 31
RESET
TP6007 TP6007 32
INT_LINE
A_ONSEL 33
SDA
A_GAIN 34
100R 1/16W 5% 100R 1/16W 5%
SCL TEST_MODE
35
100R 1/16W 5% 100R 1/16W 5%
GND_DIG
36
AUD_V33
VDD_DIG
37
Thermal Pad
STA339BWTR STA339BWTR
C6074 C6074
100N 16V 100N 16V
Figure 7-20 Audio Amplifier
3V3SB
SMD/0402
R6069 R6069
10K1/16W 10K1/16W
R6070 R6070 SMD/0402
AMP_MUTE
SMD/0402
22K 1/16W 5% 22K 1/16W 5%
R6071 R6071
4.7K1/16W 4.7K1/16W
+12V +5VSB
D6003 D6003
BAS316 BAS316
R6074 R6074
0R05 1/10W 0R05 1/10W
D6004 D6004
1 2
A K
C6085 C6085
BAS316 BAS316 220UF 16V 220UF 16V
+ +
1 BC857BW BC857BW
Q6001 Q6001
R6075 R6075 4.7K1/16W 4.7K1/16W
R6076 R6076
2 1
K A
1K1/16W 1K1/16W
D6005 D6005
SMD/0402
BAS316 BAS316 R6077 R6077
100K1/16W 100K1/16W
SMD/0402
Figure 7-21 Mute circuit
BAV99 BAV99
D4005 D4005
U0TX
1 CN4008 CN4008
CONN CONN
2
3
U0RX
CN4001 CN4001
NC/CONN NC/CONN
1
2
3
4
+5VSB
19080_223_110325.eps
110325
18 DDX3A
TP6010 TP6010 TP TP
OUT3A
17
DDX3B TP6011 TP6011
TP TP
OUT3B
16 100N 50V 100N 50V
CONFIG
C6062 C6062
15
VDD
14
13 OUT1A
OUT1A
12
GND1
11 AUD_VCC
VCC1
10 OUT1B
OUT1B
9
OUT2A
8 AUD_VCC
VCC2
7 OUT2A
GND2
6
OUT2B
5
VCC_REG
4
VSS
3
2
SA
1
GND_SUB
U6006 U6006
OUT2B
19080_224_110325.eps
110401
DVDD3V3
R6068 R6068
10K1/16W 10K1/16W
R6062 R6062
PWRDN
0R05 1/16W 0R05 1/16W
Q6003 Q6003
BC847BW BC847BW
Mute_339
D6001 D6001
1 2 OFF_MUTE
A K
BAS316 BAS316
19080_225_110325.eps
110401