VK Quality Group GSM C/S
☞
☞
Peripheral & Key Block
Peripheral & Key Block
2
COL4-1
U401
USBUF01W6
1
2
3
4
5
6
DXin
GND
DYin DYout
+Vbus
DXout
S411
[0]
1
2
2
EL_VBAT
R418
100K
ROW3-1
V410
ICVS0505500
ROW2-1
R419
1K
HF_DET
EL_COM
V416
ICVS0505500
L401
LPS4012_224ML
ROW1-1
C403 100n
MIC401
MIC
1
2
V418
ICVS0505500
BAT_RTC
2
2
3V3
3V3
ROW4
C415
n.m
R402
100R
ROW3-1
C411
100n
PCB Rev. Check
D401
BAS21
1
2
3
7
C414
n.m
R434
47K
V_BAT
2
2
FLIP_KEY
D2V8
COL3-1
S412
[#]
1
2
Navi_KEY
Connector16pin??
+
C401
10u/10V(2012T)
EL_MAIN_EN
7
ROW4-1
R405
100R
R441
n.m
2
2
EL_COM
J404
24_5801_016_002_829
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
R410
1K
S406
[6]
1
2
BAT_RTC
R421
330K
EL_VBAT
EL_M
V402
ICVS0505500
C419
n.m
BAT_ID
C
O
L2-
1
HF_MIC
5
2
8
V405
ICVS0505500
U403
A3212EELLT-T
1
2
3
4
5
VCC
Vout
GND
GND
GND
C408
100n
BOOT
R423
100R
S410
[*]
1
2
COL2-1
C407
100n
BD401
BLM18PG300SN1
V_BAT
5
SIM_VCC
2
8
R
406
10
0K
V413
ICVS0505500
COL0-1
10K
47K
Q401
DTC114YE
C
B
E
SW414
LS10N2-T
1
2
3
4
6
5
7
R442
n.m
+
C412
4u7/10V(1608T)
CHG_IN
ROW4-1
C
O
L1-
1
C413
3n3/100V(2012)
R437
2K2
D2V8
7
ROW3
8
R
407
10
0K
R
409
10
0K
EL_NAVI_EN
V403
ICVS0505500
D2V8
J401
TI05-18S-KBKE
2
3
4
5
6
7
8
9
10
11
12
13
14
1
15
16
17
18
21
20
19
22
23
DC_IN
DC_IN
CTS
RTS/TCK
DSR/TMS
TXD/TDO
RXD/TDI
BOOT
V_BAT
HS_OUT
HS_MIC
HF_DET
USB_VCC
V_BAT
USB D-
USB D+
GND
GND
V_BAT
BATT_ID
GND
GND
GND
V417
ICVS0505500
C
O
L3-
1
V404
ICVS0505500
7
COL4-1
R404
100R
R1
n.m
USB_D+
8
ROW0-1
R
408
10
0K
R401
100R
1V8
C
O
L0-
1
[SIDE KEY UP]
V414
ICVS0505500
R425
100K
HF_REC
D2V8
R426
47K
V_BAT
END
CO
L
4
R428
220K
5
J405
SM05-F200F-06
5
6
7
1
2
3
9
10
GN
D
VP
P
I/O
VC
C
RS
T
CL
K
GND
GND
S413
[F-PCB]
3
2
1
4
R420
100R
COL[0..4]
5
ROW3-1
ROW3-1
SIM_RST
EL_N
S403
[3]
1
2
KEY_MATRIX
R430
24K(1%)
S408
[8]
1
2
USB_D-
C404
n.m
5
B401
PAS414SR-S-VE5R
2
1
1V8
Microphone
5
EL_COM
SIM_IO
UART_CTS
[SIDE KEY DOWN]
BAT_RTC
V401
ICVS0505500
UART_RXD
COL1-1
R427
47K
MICIP
R4
n.m
S401
[1]
1
2
CO
L
1
ROW4-1
C405
n.m
END
R2
n.m
POWER_ON & HOOK KEY
R415
33K
F401
ICVE31186E150R101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SIM_VCC
UART_TXD
ROW0-1
CO
L
0
V407
ICVS0505500
R435
0R
3V3
EL_N
C417
100n
V409
ICVS0505500
R416
18K
+
C406
100u/6.3V(3427CC)
V415
ICVS0505500
SIM_VCC
C416
10p
2
S405
[5]
1
2
5
S409
[9]
1
2
V411
ICVS0505500
R413
1K
ON_OFF
S402
[2]
1
2
ROW1-1
R414
100R
R429
24K(1%)
S404
[4]
1
2
[CAMERA]
CO
L
3
Backup Battery
EL_M
2
5
ROW1
+
C402 10u/6.3V(1608T)
USB_DET
R411
47R
C420
100n
1V8
V_BAT
SIM_CLK
Key_Pad_Backlight
V406
ICVS0505500
R417
100R
U402
HV839K6-G
1
2
10
3
4
5
6
7
8
9
11
C1
VDD
EL1
Rsw_osc
C2
GND
Lx
Cs
COM
EL2
GN
D
MICIN
SIM
D2V8
C
O
L4-
1
ROW2
5
ROW2-1
ROW0
C418
n.m
R422
100R
1V8
CO
L
2
V412
ICVS0505500
V408
ICVA21184E150
2
1
4
3
6
5
8
7
UART_RTS
IO_Connector & Charger
R440
0R
R424
1K
D2V8
V_BAT
2
S407
[7]
1
2
J406
2PIN
1
2
EL_COM
EL_M
ROW[0..4]
R403
100R
R412
47R
FLIP_KEY
Summary of Contents for VK4500
Page 1: ...VK Quality Group GSM C S GSM GSM SERVICE MANUAL SERVICE MANUAL VK4500 VK4500 ...
Page 11: ...VK Quality Group GSM C S Appearance Appearance ...
Page 12: ...VK Quality Group GSM C S Icons Icons ...
Page 13: ...VK Quality Group GSM C S Icons Icons ...
Page 14: ...VK Quality Group GSM C S Icons Icons ...
Page 15: ...VK Quality Group GSM C S LCD Panel LCD Panel ...
Page 26: ...VK Quality Group GSM C S Battery Rear Case Battery Rear Case Disassembling Disassembling ...
Page 30: ...VK Quality Group GSM C S Main PCB Main PCB Disassembling Disassembling ...
Page 32: ...VK Quality Group GSM C S Lower Case Lower Case Ass Ass y y Disassembling Disassembling ...
Page 36: ...VK Quality Group GSM C S LCD LCD Ass Ass y y Disassembling Disassembling ...
Page 54: ...VK Quality Group GSM C S Battery Charger Block Battery Charger Block ...
Page 56: ...VK Quality Group GSM C S Main PCB Main PCB Top Top Bottom Bottom ...
Page 57: ...VK Quality Group GSM C S Module Area Module Area ...
Page 58: ...VK Quality Group GSM C S RF Area RF Area ...
Page 59: ...VK Quality Group GSM C S BASEBAND Area BASEBAND Area ...
Page 74: ...VK Quality Group GSM C S TX Power Trouble E TX Power Trouble E GSM GSM ...
Page 75: ...VK Quality Group GSM C S RX Sensitivity Trouble E RX Sensitivity Trouble E GSM GSM ...
Page 76: ...VK Quality Group GSM C S RX Sensitivity Trouble E RX Sensitivity Trouble E GSM GSM ...