Samsung SGH-800 Schematics Diagram
5. Schematic Diagrams
5-1 GSM Handset Schematic (Top Level) Circuit Diagram
(SHEET 3)
(SHEET 2)
SYNEN
SYNEN1
TXEN1
TXEN2
TXPOWER
VCC
POWER_BLOCK
+3VRTC
+VBATT3.3V
AGND
AVCC
BAT_VOLT
DCIN
DCVOLT
EXT_INT
GND
ON_OFF
POWER
REFADCN
REFADCP
REFTXN
REFTXP
RTC_INT
RTC_ON_OFF
TEMPERATURE
VCC
uP_ON_OFF
(SHEET 11)
SYNCLK
SYNDATA
SYNEN
SYNEN1
TEMPERATURE
TXEN1
TXEN2
TXPOWER
VCC
uP_ON_OFF
RF PARTS
+VBATT 3.3V
AFC
AGC
ANT
AVCC
CLK13M
GND
IRXN
IRXP
ITXN
ITXP
POWER
QRXN
QRXP
QTXN
QTXP
RXEN1
RXEN2
SYNCLK
SYNDATA
LOGIC BLOCK
+3VRTC
+VBATT
AFC
AGC
AGND
ANT
AVCC
BAT_VOLT
CLK13M
DCIN
DCVOLT
DGND
EXT_INT
GND
IRXN
IRXP
ITXN
ITXP
ON_OFF
QRXN
QRXP
QTXN
QTXP
REFADCN
REFADCP
REFTXN
REFTXP
RTC_INT
RTC_ON_OFF
RXEN1
RXEN2
Samsung Electronics 5-1
05-Schematic Diagrams 7/21/99 11:31 AM Page 1
5-2 Power Management Schematic (Level 2) Circuit Diagram
VOL+
VOL-
GNDTH
10K
R971
220
R969
SYMBOL#
SW23
VOL_SW
COM
2
DOWN1UP
3
R970
220
END
DIGIT2
2
IN
OUT3
Q500
2SD2114KT146
DIGIT7
DTC114YETL
U861
GND
1
DIGIT3
SENDSOFT1
DIGIT5
D410
CL-190YG-CD-T
CLR
CL-190YG-CD-T
D409 D407
CL-190YG-CD-T CL-190YG-CD-T
D405
CL-190YG-CD-T
D408 D406
CL-190YG-CD-T
220
R967
D411
CL-190YG-CD-T
DOWN
R502
4.7K
DIGIT6
SYMBOL*
DIGIT1
1.5K
R501
DIGIT9DIGIT8
CL-190YG-CD-T
D412
SOFT2
UP LEFT
DIGIT4
DIGIT10
RIGHT
R1027
220
KEYBOARD_COL(0:4)
KEYBOARD_ROW(1)
KEYBOARD_ROW(2)
+VBATT
ON_OFF
KEYBOARD_ROW(0:4)
KEYBOARD_ROW(0)
KEYBOARD_COL(4)
KEYBOARD_COL(1)
KEYBOARD_COL(0)
KEYBOARD_ROW(4)
KEYBOARD_ROW(3)
BACKLIGHT
KEYBOARD_COL(2)
KEYBOARD_COL(3)
5-2 Samsung Electronics
05-Schematic Diagrams 7/21/99 11:31 AM Page 2
5-3 PSU Schematic Circuit Diagram
AVX/KYOCERA
594D
B
594D594D
220uF
PGND
220uF
C400
10K
C404
C311
R422
U406
LP2981AIM5-3.0
EN
3
2
GND
NC
4
VIN
15
VOUT
1uF
100K
R964
R965
100K
UMC5N
U309
1
2
3
4
6
R427
10K
VCC
GND
1
2
IN
OUT 3
LX
54
SENSE
SHDOWN
81
UP
UPOUT3VSEL
2
DTC144EEA
U407
L400
22uH
U402
TEA1204
7
BURST
GND
6
U307
LP2981AIM5-3.0
3
EN
GND
2
4
NC
VIN
1
VOUT
5
C314
22uF/6.3V
PGND
PRLL5819
D400
AVCC
100nF
C402
U401
DTC144EEA
1
GND
IN
2
3OUT
10uF/6.3V
C437
C972
470pF
PGND
100K
J1000
R421
C435
100nF10K
R423
PGND
C315
10nF
J1002
VCC
10nF
C438
C436
1uF
R402
100K
UMN1
D401
2
134
6
PGND
PGND
DCIN
DCVOLT
DCVOLT
POWER
RTC_3V3
POWER
3.3V
uP_ON_OFF
ON_OFF
+VBATT
RTC_3V3
+3VRTC
470PF
C963 C316
10uF/6.3V
AVX/KYOCERA
BAT300
65uAH
MS414FL26N
10nF
C317
R991
1K
D304
MCL4154
+
+
MIC5205-3.3BM5
U311
EN
3
2
GND
NC
4
VIN
15
VOUT
Samsung Electronics 5-3
05-Schematic Diagrams 7/21/99 11:31 AM Page 3
5-4 Charger Schematic Circuit Diagram
AVX/KYOCERA X 2
N.C
Q403
UMG2N
1
2
34
6
C302
100nF
R303
270K_1%
100K
R966
BLM11P600S
B2
BLM11P600S
B1
C985
DAN222
D301
100nF
10uF/6.3V
C961
VCC
6.8uF/25V
C305
D303
UPS5817
3
100K_1%
R311
U852
TC7S04FU
1
2
4
5
82K_1%
R310
20K_1%
10uH
L300
D302
UPS5817
R502
GND3
6
8
GND4
16
GND5
11
GND6
GND7
9
OVP
5
13
PROG
SENSE
7
2
SW
VCC114VCC2
15
12
Vc
LT1510-5CGN
U304
10
BAT
3
BOOST
GND11GND2
4
18K_1%
R302
R304
12K_1%
C304
100nF
R307
12K_1%
300
R306
23
4
56
1uF
C303
R305
1K
UMH2N
Q402
1
CHG_ON
MAX4.2_BOOT
+VBATT
NCB_BAT
DCVOLT
BAT_VOLT
5-4 Samsung Electronics
05-Schematic Diagrams 7/21/99 11:31 AM Page 4
Samsung Electronics 5-5
5-5 Logic Schematic Circuit Diagram
REED_S/W
CS2
5
4
6
J1002
CON60
SMS05-4
D419
2
1
3
82pF
C1021
VCC
VCC
VCC
100K
R975
D416
SM05
D415
SM05
D422
SM05
10KR980
C300
100nF
C1022
82pF
D420
SM05
SW22
SM05
D426D423
SM05
D427
SM05SM05
D421
SM05
D424
200
R524
R1032
2
1
3
5
4
6
AVCC
100K
4
4
5
5
6
6
7
7
8
8
9
9
D418
SMS05-4
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
2
2
20
20
21
21
22
22
23
23
24
24
3
3
IL-FPR-22S-HS
J1003
1
1
10
10
SM05
D429
10nF
C950
+VBATT
KEYBOARD_ROW(1)
LCDEN
ALERTER
LCD_A2
SPK+
LCD_WR
H_SPK-
MIC-
MIC+
SPKSPK+
SPK+
SPK-
SPK2P
KEYBOARD_COL(0)
MIC2P
MIC2N
D(15)
EAR_SWITCH
MAX4.2_BOOT
RST
VF
KEYBOARD_COL(4)
LCDEN
REED
SCL
SDA
ON_OFF
SPK2N
VIBRATOR
LCD_A2
KEYBOARD_COL(3)
KEYBOARD_COL(2)
KEYBOARD_COL(1)
KEYBOARD_ROW(2)
JACK_IN
LCD_WR
RS232_RXD
RS232_TXD
DCVOLT
RS232_RTS
RS232_CTS
+VBATT
VIB-
BACKLIGHT
D(8:15)
RST
KEYBOARD_ROW(4)
KEYBOARD_ROW(0)
KEYBOARD_ROW(3)
EAR_EN
RI_LIGHT
ALERTER
BACKLIGHT
D(8)
D(10)
D(12)
D(9)
D(11)
D(13)
D(14)
R300
100K
R301
4.7K
Q300
2SC4081
1
2
3
C940
1uF
VIBRATOR
VIB-
+VBATT
SM05
D430
U888
MAX4544
5
COM
GND
3
IN
1
4
NC
6
NO
V+
2
Q501
FDG6301N
MIC-
MIC+
U887
MAX4544
5
COM
GND
3
IN
1
4
NC
6
NO
V+
2
AVC
05-Schematic Diagrams 7/21/99 11:31 AM Page 5
5-6 Samsung Electronics
5-6 Logic Schematic (Level 2) Circuit Diagram
VCC
VCC
(SHEET 8)
(Keypad B’d)
(SHEET 6)
(SHEET 7)
(SHEET 9)
(SHEET 10)
(Keypad B’d)
AVCC
VCC
AVCC
AVCC
TEMPERATURE
TXCLK
TXDATA
TXEN2
TXPOWER
TXRDY
TXSFM
VCC
WR
uP_ON_OFF
RD
REFADCN
REFADCP
RS232_CTS
RS232_RTS
RS232_RXD
RS232_TXD
RST
RTC_INT
RXCLK
RXDATA
RXEN1
RXEN2
RXRDY
RXSFM
SCL
SDA
SIMALIM
SIMCLK
SIMDATA
SIMRST
SIM_5V3V
SP
SYNCLK
SYNDATA
SYNEN
SYNEN1
A(0:19)
AFC
AGC
AVCC
BAT_TYPE
BAT_VOLT
BFI
BOOT
CLK13M
CLK13M_K
CSRAM
CSROM
CSVOC
D(0:15)
DCIN
EXT_INT
GND1
GND2
KIRXN
KIRXP
KQRXN
KQRXP
LCD_A2
LCD_WR
MAX_VOLT
MAX_VOLT
MIC2N
MIC2P
RS232_CTS
RS232_RTS
RS232_RXD
RS232_TXD
SCL
SDA
SPK2N
SPK2P
VCC
VCC
KERNEL BLOCK
+3VRTC
MIC2P
RD
RST
RXCLK
RXDATA
RXRDY
RXSFM
SP
SPK2N
SPK2P
TXCLK
TXDATA
TXRDY
TXSFM
VCC
WR
VCC
INTERFACE
+VBATT
ANT
BAT_TYPE
BOOT
DCVOLT
GND
VOCODER BLOCK
+VBATT
A(0:19)
AVCC
BFI
CLK13M_K
CSVOC
D(0:15)
GND1
GND2
MIC2N
VCC
SIM INTERFACE BLOCK
GND
SIMALIM
SIMCLK
SIMDATA
SIMRST
SIM_5V3V
VCC
LCD AND KEYBOARD BLOCK
+VBATT
D(0:15)
LCD_A2
LCD_WR
WR
BASEBAND FILTERS BLOCK
AVCC GND
IRXN
IRXP
KIRXN
KIRXP
KQRXN
KQRXP
QRXN
QRXP
RXEN2
VCC
AVCC
MEMORY BLOCK
A(0:19)
CDROM
CSRAM
D(0:15)
GND
RDVCC
SYNEN
QRXN
TXEN2
TXEN1
KEYBOARD_ROW(0:4)KEYBOARD_ROW(0:4)
TXEN1
REFTXN
KEYBOARD_COL(0:4)KEYBOARD_COL(0:4)
GND
VCC
REFTXN
REFTXP
LCDENLCDEN
REFTXP
QTXN
BACKLIGHTBACKLIGHTON_OFF
QTXN
QTXP
RI_LIGHTRI_LIGHT
QTXP
ITXN
ITXN
ITXP
RTC_ON_OFF
ITXP
+3VRTC
DCIN
ON_OFF
RTC_INT
GND
uP_ON_OFF
REFADCN
REFADCP
SYNDATA
EXT_INT
RXEN1
RXEN2
AGC
AFC
TXPOWER
VCC
SYNCLK
SYNEN1
BAT_VOLT
TEMPERATURE
AVCC
GND
IRXP
IRXN
QRXP
+VBATT
DCVOLT
CLK13M
RTC_ON_OFF
05-Schematic Diagrams 7/21/99 11:31 AM Page 6
5-7 Memory Schematic Circuit Diagram
14
2
13
NC : B3 C4 D3
NC : A1 A2 A3 A10 A11 A12
C4 G6 D6 H9
H1 H2 H3 H10 H11 H12
12
R526
10K
14
15
6
21
VCC
9
10K
R988
5
VCC
C919
100nF
10K
R527
9
4
7
TC7S32FU
5+3
-
1
2
4
3
16
0
10
E8
I_O3E6I_O4D9I_O5
C10
I_O6C8I_O7
SCE1C7SOEB9SVCC
D4
SWE
C5
9
U842
G4
FGND2
FRP
E3
E7
FVCC1F9FVCC2
FVCC3B3FVPP
E4
F_BYTE
H6
F_CE0D3F_CE1
C6
F_OE
A9
B7
F_STS
F_WE
A8
E10
GND
F7
I_O0G9I_O1
F10
I_O2
A6G5A7G3A8F5A9
F3
F-A19B6F-A20
A6
F8
F-I_O10E9F-I_O11
D10
F-I_O12D8F-I_O13C9F-I_O14B8F-I_O15
G10
F-I_O8G8F-I_O9
A7
F-WP
D7
FGND1
A0G7A1
H7
A10F4A11E5A12
B10
A13D5A14C3A15B4A16B5A17A4A18
A5
A2H8A3H5A4H4A5
F6
15
1
14
10
U867
LRS1316
0
R987
100K
OE
G1
B4
RESET
RY_BY
A3
G4
VCC
H1
VSS0H6VSS1
A4
WE
F3
DQ10G3DQ11F4DQ12G5DQ13F5DQ14
G6
DQ15_A_1
DQ4H5DQ6E5DQ7F2DQ8G2DQ9
C6
A14
A15
D6
E6
A16
A17
B2
C3
A18
A19
D4
A4
7
5
DQ5
E4
A5
D2
6
4H4
B1
5
3
DQ3
H3
A3
A1
4
2
DQ2
E3
A2
C1
3
1
DQ1
H2
A1
D1
2
0
DQ0
E2
A0
U870
E1
C2
A6
A7
A2
B5
A8
A9
A5
BYTE
F6
F1
CE
8
MBM29LV160B-90PBT
C5
A10
A11
D5
B6
A12
A13
A6
8
VCC
20
VCC
151117
7
VCC
5
13611
10
13
11
2SA1576
Q401
2
3
1
19
VCC
C982
10nF
11
100K
R979
10
19
15
12
R970
10K
1
12
4
2
9
18
10nF
C966
20
8
3
12
18
7
6
16
14
13
8
17
CSRAM
uP_ON_OFF
CSROM
RD
CS_FLASH2
A(0:21)
D(0:15)
WR
Samsung Electronics 5-7
05-Schematic Diagrams 7/21/99 11:31 AM Page 7
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