LG KF750 Service Manual page 38

G. KF750 Bluetooth Schematic
B T _ C L K
C
V D D E _ 1 V 8
A C
D
V D D E _ 1 V 8
A C C _ G P 1 6 _ F M _ G I P O 2
V D D E _ 1 V 8
• Clock
- Clock request
→ Connected to CLKREQ of Asta and Veronica, input to Gimly
- Fast clock : 26MHz
→ Supplied MCLK from Gimly
→ Frequency deviation : ± 20ppm
- Low power clock : 32.768kHz
→ Supplied RTCCLK from Veronica
• Power
- Supplied 2.75V, 1.8V from internal regulators of Veronica
• Reset
- RESOUT2_n signal of Asta controls STLC2593C reset.
• SPI
- Connected to SPI of Asta
- HCI interface between Asta and STLC2593C
• PCM
- Audio signal interface between Asta/Veronica and STLC2593C
• ANT
- 2.4GHz, 50 ohm matching
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
T P 8 0 1
U 8 0 1
K 7
R 8 0 3 R E S O U T 2 _ n B T _ R E S E T
F 6
B T _ R E F _ C
K 9
0 R T C C L K B T _ L P _ C L
8 0 0 C 8 0 1
L 9
D I N D I N B T _ W A K E U
H 9
A C C _ G P 2 5 _ B T _ S P _ I D A T 1
B T _ U A R T _
K 6
A C C _ G P 2 6 _ B T _ S P _ I C L K B T _ U A R T _
N 4
A C C _ P C M _ S Y N C B T _ P C M _ S
M 4
A C C _ P C M _ C L K B T _ P C M _ C
K 5
A C C _ P C M _ D L D B T _ P C M _ A
M 5
A C C _ P C M _ U L D B T _ P C M _ B
M 3
T P 8 0 9 T P 8 1 0 T P 8 1 1 T P 8 1 2 B T _ G I P O _ 9
K 3
B T _ G I P O _ 1
K 4
B T _ G I P O _ 1
J 3
B T _ G I P O _ 1
L 3
B T _ G I P O _ 8
G 9
B T _ G I P O _ 0
E 7
B T _ C L K _ R
F 9
B T _ C L K _ R
E 8
C _ G P 1 4 _ B T _ S P _ I N I T B T _ H O S T _
L 7
B T _ C O N I F G
M 7
B T _ C O N I F G
N 6
B T _ C O N I F G
J 8
B T _ C L K R E Q _ n B T _ C L K _ R
B 2
B T _ R S V R _
V D D K _ 2 V 7 5 C 3
B T _ R S V R _
M 8
B T _ R S V R _
C 1
B T _ R S V R _
O N O T C H A N G E
C 2
B T _ R S V R _
M 2
B T _ R S V R _
J 4
B T _ R E G _ C
N 7
B T _ H V D
E 6
B T _ V D D _ C
V B A T D 4
N C 1
F 7
N C 2
F 8
N C 3
L 4
N C 4
L 5
N C 5
L 6
N C 6
A 4
F M _ V A
B 3
F M _ V D
A 7
F M _ G I P O 1
A 6
F M _ G I P O 2
A 5
F M _ G I P O 3
T P 8 1 4
B 8
F M _ F M P I
C 9
R E S O U T 1 _ n F M _ R S T B
D 7
F M _ R C L K
D 9
F M _ S E N B
E 9
A P P _ 2 I C _ S C L F M _ S C L K
R T C C L K
B u l e
Figure 3-1-11. Schematic of STLC2593C
A C C _ 2 _ B T _ S P _ I
G P 4
A C C _ G P 2 3 _ B T _ S P _ I
S T L C 2 5 9 3
J 7
N B T _ C L K _ R E Q _ O U T _ 1
L K _ N I
G 7 F L
K B T _ U A R T _ T X D
J 6 5
B T _ U A R T _ R T S
P
K 1 4
B T _ R F P
J 1
R X D B T _ R F N
V D D E _ 1 V 8
C T S
M 6
B T _ I V O _ A
J 9
Y N C B T _ I V O _ B
N 3
L K B T _ I V O _ C
N 5
B T _ I V O _ D F B 8 0 0
G 8
B T _ I V O _ E 6 0
H 6
B T _ V S S I D G 1
H 7
1 B T _ V S S I D G 2
H 8
0 B T _ V S S I D G 3 C 8 0 4
K 8
0 1 . u
6 B T _ V S S I D G 4
L 8
B T _ V S S I D G 5
D 1
B T _ V S S A N A 1
D 2
B T _ V S S A N A 2
E 3
E Q _ N I _ 1 B T _ V S S A N A 3
F 1
E Q _ N I _ 2 B T _ V S S A N A 4
F 2
W A K E U P B T _ V S S A N A 5
F 3 V D D K _ 2
B T _ V S S A N A 6
F 4 V S S _ B T _ A N A
_ 1 B T _ V S S A N A 7
G 1
_ 2 B T _ V S S A N A 8
G 3
_ 3 B T _ V S S A N A 9
G 4
B T _ V S S A N A 1 0
H 3
E Q _ O U T _ 2 B T _ V S S A N A 1 1
H 4
B T _ V S S A N A 1 2
H 1
C L 1 B T _ V S S R F 1
L 1
C L 2 B T _ V S S R F 2
J 2
D B T _ V S S R F 3
K 2
D S M B T _ V S S R F 4
V S S _ B T _ R F
N
L 2
R F B T _ H V A 1
D 3
T R L B T _ H V A 2
E 1
B T _ H V A 3 C 8 0 8
E 2
B T _ H V A 4 0 1 . u
E 4
L D B T _ H V A 5
H 2 V D D E _
B T _ T E S T 1
G 2
B T _ T E S T 2
G 6
B T _ A F _ P R G
V S S _ B T _ A N A
C 5
F M _ R O U T
B 5
F M _ L O U T
D 6
F M _ I V O
D 8
F M _ S I D O A P P _ 2 I C _ S D A
C
A 3
F M _ G N D 1 0
B 4
F M _ G N D 2
B 6
F M _ G N D 3
B 7
F M _ G N D 4
C 4
F M _ G N D 5
C 6
F M _ G N D 6
C 7
F M _ G N D 7
D 5
F M _ G N D 8
C 8
F M _ R F G N D
o t o h t + ( F M R a i d ) o
- 39 -
3. TECHNICAL BRIEF
A T 0
D
C S 0 n
8 0 0 D E A 2 1 2 4 5 0 B T 7 - 0 4 3 C 1
O U T 8 0 1
3 9 . n H C 8 0 2
1
B P 1 U _ B P
2
O U T 8 0 2 O U T 8 0 3
B P 2 B P _ D C
L 8 0 0
1 2 . p
3 3 . n H
L 8 0 1
V S S _ B T _ R F V S S _ B T _ R F V S S _ B T _ R F
V 7 5
1 V 8
C 8 1 1 1 u
F M _ R P
C 8 1 2 1 u
F M _ L P
8 1 3
1 . u
F M _ A N T
LGE Internal Use Only