LG GD910 - Page 76

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5. Trouble shooting
GD910 service manual
Checking Point
AUDIO AMP
100K
R219
1u
C253
RCLAMP0521P_TCT
RCLAMP0521P_TCT ZD201
ZD200
C265
22p
22n
C257
C264
22p
82K
R217
L417
VDD2
D4
VO+
VO-
A4
A1
_SD
120nH
GND1
A2 A3
GND2 GND3
B3 C2
GND4 GND5
C3 D2
GND6 GND7
D3
IN+
C1
IN-
D1
B1
NC
B4
VDD1
C4
U202
TPA2005D1ZQYR
R218
82K
C251
22n
120nHL418
CN204
1
2
VBAT
SPK_AMP_EN
SPK_OUT_P
SPK_OUT_N
TP1 TP2
TP3