Samsung GT-B7702 Service Manual page 42

Flow Chart of Troubleshooting
L606
AMP_RIN
L607
AMP_LIN
C640
VDD_IO_HIGH_2.9V
C623 C624
MV_I2S_MCLK
MV_I2S_BCLK
MV_I2S_LRCLK
MV_I2S_DOUT
MV_I2S_DIN
C631
C632
SCL1
C641 SDA1
C630
C629
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VDD_IO_LOW_1.8V
VBATT_4.2_3.3V
C618
C619
C621 C622
R623
U603
F1
LS+
C6 F2
MCLK LS-
A5 D3
AUX_OUT+
ADC_REF
C3
AUX_OUT-
F5
PORT1_CLK
D4 A1
PORT1_SYNC HPR
E5 B1
PORT1_SDI HPL
D5
PORT1_SDO
A4
DAC_REF
C5
PORT2_CLK
B4 E4
PORT2_SYNC MIC-
B5 F4
PORT2_SDI MIC+
C4
PORT2_SDO
C2
HP_VDD
B3
AUX_L
B2 F3
MONO+
AUX_R
E3
MONO-
B6
SCL
A6 D2
SDA CP+
D1
CP-
C646
C648 C643
C647
C409
C635
9-15
C620
R614
R615
EARSPK_R
EARSPK_L
C629
CODECMIC_N
C630
CODECMIC_P
C633
HFR_P
C634
HFR_N
C635
SPK_P
SPK_N