Samsung SGH-Z320i User manual

UMTS TELEPHONE
SGH-Z320i
UMTS TELEPHONE CONTENTS
1. Specification
2. Flow Chart of Troubleshooting
3. Exploded View and Parts List
4. MAIN Electrical Parts List
5. PCB Diagrams
6. Block Diagrams

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1. SGH-Z320i Specification
1-1
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1-1. GSM/WCDMA General Specification
EGSM 900
Phase 2
DCS1800
Phase 1 PCS1900 WCDMA
Freq.
Band[MHz]
Uplink/Downlink
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
1920~1980
2110~2170
ARFCN range 0~124 &
975~1023 512~885 512~810 10562~10838
Tx/Rx spacing 45MHz 95MHz 80MHz 190MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us 3.84Mcps/s
Time Slot
Period/Frame
Period
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms 10ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK UL:2BPSk
DL:QPSK
MS Power 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm MAX:24(+1,-3)dBm
MIN:<-50dBm
Power Class 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl CLASS3
Sensitivity -102dBm -100dBm -100dBm -106.7dBm
TDMA Mux 8 8 8 -
Cell Radius 35Km 2Km - -

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SGH-Z320i Specification
1-2
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1-2. GSM TX power class
TX Power
control level EGSM900
5 33±2 dBm
6 31±2 dBm
7 29±2 dBm
8 27±2 dBm
9 25±2 dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9± 3dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control level DCS1800
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Power
control level PCS1900
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm

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2-1
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2. SGH-Z320i Flow Chart of Troubleshooting
2-1.Baseband
2-1-1. Power ON
Check the current consumption
Download again
'Power ON' Does not work
END
Charge the Battery
Check the U501
Check the path of
D500 and U501
Check D500
NO
NO
NO
NO
NO
YES
YES
YES
YES
NO
check the TCX800
YES
YES
Check the initial operation
U501 Check
Pin #53 ≒19.2MHz?
Vpp ≥500mV?
Current consumption
≥100mA ?
Check Voltage > 3.3V
CheckD500isHigh
The pin #3,5 of U501
≥3.3V ?
Check U501
pin #32 ≒1.2V ?
pin #36 ≒1.8V ?
pin #50,56 ≒2.6V ?
pin #84 ≒2.85V ?

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-2
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21
C504
OSC500
C537
C516
NEG2
POS1
C511
BAT500
C521
C523
R501
L502
D500
C519
C517
31
VSW_MSME37
VSW_PA27
XTAL_IN
44
XTAL_OUT
46
67
VREG_RFTX73
VREG_RUIM42
VREG_SYNT81
VREG_TCXO84
10
VREG_USB
VREG_WLAN64
VSW_5V14
VSW_MSMC
12
39
VREG_MMC
VREG_MSMA56
VREG_MSMC32
36
VREG_MSME
VREG_MSMP50
VREG_PA28
VREG_RFRX169
VREG_RFRX2
33
VDD_MSMC
VDD_MSME35
VDD_PA29
71
VDD_RF
41
VDD_RUIM
77
VDD_SPKR
VDD_WLAN65
25
VIB_DRV_N
VREG_5V
USB_OE_N
19USB_SE0
USB_VBUS
16
VBACKUP
48
VBAT
6
VCHG
2
VCOIN
60
VDD_ANA54
VDD_MAIN83
VDD_MSM52
79
SPKR_OUT_P75
TCXO_EN
55
TCXO_IN
58
TCXO_OUT
53
USB_CTL_N
15
USB_DAT
17
USB_D_M
20
USB_D_P
18
USB_ID
11
13
RUIM_M_RST
40
RUIM_RST
43
49SBCK
SBDT
47
SBST
51
SLEEP_CLK
45
SPKR_BYP74
78
SPKR_IN_M
SPKR_IN_P76
SPKR_OUT_M
PON_RESET_N
PS_HOLD
57
REF_BYP63
REF_GND62
REF_ISET61
REF_OUT
80
38RUIM_CLK
26RUIM_IO
RUIM_M_CLK
34
RUIM_M_IO
30
21
ISNS_M
5
ISNS_P
3
24KPDPWR_N
KPD_DRV_N23
22
LCD_DRV_N
59MSM_INT_N
C
N
6
8
C
N
7
8
9
1
AMUX_IN1
70
AMUX_IN2
72
AMUX_OUT
82
BAT_FET_N
7
CBL0PWR_N
68
CBL1PWR_N
66
CHG_CTL_N
4
8
FLSH_DRV_N
D
N
G
5
8
GP1_DRV_N
U501
ADC_BYP
C513
L503
C525
R510
TR502
13
2
RFRX2_2.85VTCXO_2.85V
RFRX1_2.85V
C508
C514
MSMC_1.2V
V_IN
TR501
13
2
2
TR503
13
C520
MSMP_2.6V
R508
R511
RFTX_2.85V
C505
R512
MSMA_2.6V
C509
C526
MSME_1.8V
TA505
BT_3.0V
C503
C506
C502
C510
C515
C524
C507
R506
MSMP_2.6V
C512
R507
C518
USIM_3.0V
R505
MIC_2.85V
C522
V_IN
SYNT_2.85V
R509
R500
PM_INT_N
BAT_VF
PM_SBDT
PM_SBST
USB_VPO
D-
D+
USB_OE_N
USB_VMO
ON_SW
USIM_CLK
USIM_DATA
USIM_M_CLK
USIM_M_DATA
USIM_M_RESET
USIM_RESET
PM_SBCK
AMUX_OUT
PMIC3_REF
ON_SW_SENSE
SLEEP_XTAL_IN
TCXO_OUT
ON_SW
RESET_IN
TCXO
TCXO_EN
PS_HOLD
JIG_ON

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-3
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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-4
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2-1-2. System Initial
Check the clock signal's
at R507
Check the Sleep X-tal signal's
at C513 ?
Check the clock generation
circuit (related to U501 and
TCX800)
Check the U501
YES
NO
NO
YES
YES
YES
NO
NO
NO
YES
Check the Audio part
Check the LCD part
Check the OSC500
END
Sound operation OK ?
LCD Display OK ?
Initial Failure
The pin #9 of U501
" Low --> High" ?

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-5
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3. SIM Part
Check the voltage
at SIM500 pin #1 ≒3.0V
Check the U501 & UCP100
"Please insert SIM card "
Check the SIM500's
Connection to SIM card
END
NO
Check the SIM Card
Resolder or change SIM500
YES
Check the U501
There is any signal
pin#2,#3,#4 of SIM500
NO
NO
YES
YES
** Check SIM's signal
when you see SIM checking display

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-6
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- Schmatic for SIM connection
- Layout for SIM connection
USIM_3.0
V
VR500
VR501
G
910
G
22
33 4
4
5
5
66
G
78
G
SIM500
11
C527
R515
VR502 C536
USIM_DATA
USIM_CLK
USIM_RESET

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-7
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2-1-4. Charging Part
Check IFC200's pin #20,21
is around 5V when charging Check the TA
Abnormal charging operation
END
YES
NO
Check TR400's pin#3
is "LOW" when charging
NO
Check U401's Pin #4
is "High" when charging
YES
YES
NO
Check the TR400
Check the U401
Check U400's Pin #5
is "LOW"
YES
Check the UCP100
NO

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-8
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-SchmaticforCharging
- Layout for charging
ZD400 TA400 C405
R407
VTA_5.0V
1
TR400
23
V_IN
VBAT
VTA_5.0V
4
Y
R401
U401
2A
1
B
3
GND
5
VCC
C404
VTA_5.0V
R404
R402
GND
IN
2
ISET
4
1VL
_ACOK 6
_CHG 8
5
_EN
U400
7
BATT
G
910
GG
1112
G
3
ICHRG CHG_ON
CHG_DET
JIG_ON_IF
JIG_ON

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-9
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2-1-5. Microphone Part
Micro-phone does not work
Is the assembled status of
Microphone O.K? Reassemble the microphone
Check the DC bias voltage on Mic path.
The voltage of VR301 is
about 2.3V ?
Check the path around MIC
Bias circuit
The microphone is OK Check UCP100
END
NO
YES
NO
NO
YES
YES
YES

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-10
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C316
C314
C339
R316
MIC_2.85V
C317
L305
L304
C315
1
0
3
R
V
0
0
3
R
V
C335
C334
R315
C336
MIC300
R317
MIC1P
MIC1N

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-11
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2-1-6. Speaker Part
There is no sound from speaker
The type of sound from the
Speaker is Melody
Replace the Speaker
Check the UCP100
END
Check the U501 & U502
Check the UCP100
NO
The terminal of Speaker
is OK ?
There is signal
@ U301 pin #1
NO
Thepin#32ofU300≒2.6V
The pin #7 of U300 =2.8V ?
NO
Are there any signal in
pin #29 of U300
NO
NO
There is signal
@U301pin#24 Check the U302
NO
YES
YES
YES
YES
YES
YES
SpeakPhone Mode? NO Receiver Part
Check U302's
Pin #9,#13
YES

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-12
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C311
R312
YMU_2.8V
C310
C338
R313
C337
C307
8
S
S
V
29 /CS
Q
R
I
/
3
31 /RD
4
T
S
R
/
/WR
28
C
N
56
C
L
L
P
1
T
U
O
P
S
1718
2
T
U
O
P
S
SPVDD 15
16
SPVSS
7
D
D
V
F
E
R
V
9
G
G
34 G35
G36
10
HPOUT-L/MONO
HPOUT-R 11
32 IOVDD
2
D
E
L
R
T
M
19
3
D
4
D
23
5
D
22
6
D
21 20
7
D
12
EQ1
EQ2 13
14
EQ3
33
U300
A0
30
I
K
L
C
1
27 D0
D1
26
2
D
25 24
MSMP_2.6V
C304
YAMA_OUT_R
YAMA_OUT_L
)
7
(
D
_
D
N
A
N
NAND_RE
YMU_A0
NAND_WE
NAND_D(0)
NAND_D(1)
YMU_CS_N
YMU_IRQ
TCXO_OUT
YMU_RST_N
)
2
(
D
_
D
N
A
N
)
3
(
D
_
D
N
A
N
)
4
(
D
_
D
N
A
N
)
5
(
D
_
D
N
A
N
)
6
(
D
_
D
N
A
N
F303
R301
C308
C306
C303
C333
C332
F302
SPK_CON200
C312
R325
C301
R324
VOMR
4
VSS
5
VOPR 6
VDD
7
VSS
8
VDD
9
VDD
21
VIML
22
VREFL
23
VIPL
24
25
GND
NC
26
27
NC
VDD
3
VSS 14 VDD
15
VOML
16
VSS
17
VOPL
18
VDD
19
VSS 2
VSS 20
U301
EN_L
1
VIMR
10
VREFR
11
VIPR 12
EN_R
13
C300
V_IN
C313
R304
C302
R305
R302
AMP_EN
ICE_AMP_L

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-13
This Document can not be used without Samsung's authorization
- Layout for Speaker Part
C
C
V
3S2
11
4S1
13
2
S
4
1
D
16
4D2
3
D
8
D4 12
6
D
N
G
14
21-2IN
15
1
S
1
11S2
2S1
3
5
2
S
2
3-4IN 10
1
S
3
7
9
U302
C318
MSMP_2.6V
L
_
R
A
E
_
M
S
M
YAMA_OUT_L
AUD_SEL_1
EAR_L
YAMA_OUT_L
MSM_EAR_R
AUD_SEL_2
R
_
R
A
E
ICE_AMP_L
L
_
R
A
E
_
M
S
M
R
_
T
U
O
_
A
M
A
Y

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-14
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2-1-7. Receiver Part
Is the terminal of receiver
is ok ?
NO Replace the receiver
Are there any signal
at the TA201,TA202
NO Check the UCP100 & speaker
related circuit
There is no sound from receiver
YES
YES
Are there any signal
at the pin #2,3 of CN200?
YES
Is receiver working ?
YES
END
Replace the receiver
NO
NO
Check the CN200 &
Resolder CN200

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-15
This Document can not be used without Samsung's authorization
88
99
50
51 51 52 52
53 53 54 54
55
55
66
77
43
43 44
44
45
45 46
46
47
47 48
48
49
49
55
50
36 36
37 37 38 38
39 39
44
40 40
41
41 42
42
29
33
30 30
31 31 32 32
33 33 34 34
35 35
21 22 22
23 23 24 24
25
25 26 26
27 27 28 28
29
14 14
15 15 16 16
17 17 18 18
19 19
22
20 20
21
CN200
11
10 10
11 11 12 12
13 13
V_IN
R235
R233
R234
C201
TA201
C202
C203
R236
TA202
BL_EN
LCD_WE_A
LCD_D(2)
LCD_D(6)
LCD_D(10)
LCD_D(14)
LCD_D(15)
KEY_3
CAM_D(6)
CAM_VSYNC
ON_SW
CAM_D(3)
CAM_D(7)
CAM_D(2)
CAM_RESET_N
MCLK
CAM_SDAA
ENB_VGA
LCD_D(5)
LCD_D(8)
LCD_D(9)
LCD_D(12)
LCD_D(13)
KEY_0
KEY_1 KEY_2
SCAN_1 SCAN_4
CAM_D(0) CAM_D(1)
CAM_D(4) CAM_D(5)
LCD_RS1_A
CAM_HSYNC
CAM_EN_B
CAM_SCLA
PCLK
LCD_RESET_A
ENB_MEGA V_FLASH
LCD_D(0)
LCD_D(1)
SVC_LED_ON
LCD_D(4)
VOICE_OUT_N
SCAN_0
LCD_CS_A
LCD_D(3)
LCD_D(7)
LCD_D(11)
VOICE_OUT_P

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-16
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2-1-8. Headset Part
Earphone is not operational?
Mic is not operational?
Headset function does not work
1. Check the mic path from earjack
to MIC2P & MIC2N
2. Check the bias circuit
Check the headset device, or R508 crack
END
Check the ear path from earjack
to EAR_R & EAR_L
NO
YES
YES
NO
YES
NO
Check R508 is LOW ?

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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-17
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-SchmaticforEarmic
- Layout for Earmic
(0603) (0603)(0603) (0603)
R322
VR304
MSMP_2.6V
VR307
L300
C323
C322
C329
L306
VR305
MIC_2.85V
GG
14
G15
16
G
17
G
G18
44
55
66
77
88
99
11
GG
12 13
EAR300
11
10
10
22
33
C319
VR306
C325
R321
L301
VR303
C330
R326
R308
R320
VR302
C327
R318
L307
C324
C328
VR309
MSMP_2.6V
R319
VR308
C320
R329
R323
C331
C321
C326
MIC2P
EAR_SW
MIC2N
EAR_R
EAR_L
JACK_IN