Kenwood TH-D74E Service Manual page 51

SCHEMATIC DIAGRAM
TX-RX UNIT (XC1-138E-01) 1/7: CONTROL
8
7
6 GND
5
10 Micro
4 DP
USB 3 DM TL700 SW
2
* R155
1 TL701
Q712 E-01
VBUS
9 TL702
10
11 E700
J700 F10-3236-05
EMD12
SHIELD CASE
GND2 12
GND1 11
COMMON 10
CD 9
DAT1 8
7
DAT0
VSS 6
CLK 5
VDD 4
CMD 3
CD/DAT3 2
DAT2 1
C700
J701 C886 C907
0.1u
R905
1u 100p
R883 C893 R915 47k
4.7k 1u 22k
MIC AMP
3.3V
4 3 2 1
9 R886 33M
470
C912 R907
3.9V
L701 R884 2.2u 10k
40C
VoUT 10k
VIN R904 5 6 7 8
C908
18k
GND 39p
STBY R719 100
R906
MC880
T9B-0043-00 270k
MIC
R882
R880
IC700
10k
BU33UA3WNVX 100
33SD AVR
R889
100 1/8
R887
4.7k
J880
1 PTT
3 MIC
INT_MIC
EXT 5
4 NC
MIC 2 33M
L881
6 SPG
8 REM
10 NC L882 10u R899
EXT
9 INT_SP
SP 7 SP 10k 6.8V
8 AF AMP
VA882 AFB
SP/MIC
LXES15AAA1133
SP MUTE IC880
SW SW TA7368FG
Q881 Q883
L883
C861 47u SSM3K324RF SSM3K324RF
NC1
PoUT
C862 47u VCC
C904 PW-GND
VA881 C892 47u Q885 R900 NC2
LXES15AAA1133 100p PRE-GND
LTC043ZEBFS8
470k VIN
SW PHASE
R902 0
RIPPLE
R888 NF
1k
VA884
LXES15AAA1133 SW
X701
R710 R721
1 4
5.6k (D) 10
LEVEL SHIFT
2 3
R737
100k
L7H-0067-00
Q700
LTC043ZEBFS8
R738
7 19.2MHz TCXO
100k
18M
3.3V
6 W1 W2 W3 V1 V2 V3 U1 U2 U3 T1 T2 T3 R1 R2 R3 P4 R12R11 V8 T9 U8 V11 T14 R10W13 V9 U9 W9 T8 V7 W7 W8 U7 T7 W6 V6 U5 V5 W5 U6 U4 T6 W4 T4 V4 T5 U15U14 V14 U13 V13 V12W12W11T13 T11 T10 T12 U10 V10 U11W10
/RST
K14
R712 10k
J17
/FRST
T17
L16
RESET
M16
NMI
J18 TDo
RESEToUT
J15 TCK
TMS
L17 TRST
R711 10k TDI
J16 EMU0
R713 10k
K16 EMU1
TL740 K17 RTCK/GP8<0>
DACS
T18 CLKoUT
TL741
C718 TL703 TL704
L19 oSCIN
X700 18p
L77-1802-05
K19 oSCoUT
J19 RTC_XI
C719
CTS2 H19 RTC_Xo R13 P13 L6 K5 J13 G12G11G10 G6 F14 N7 H14 E5 N8 M9 M8 L12 K12 K6 J12 J6 H13H12H11H10 H7 H6 G13 G8 G7 E15
RTCGND
G 15p
F4 RTC_ALARM/DEEPSLEEP 33M
USB0_DM F5 DVDD3318_A1
M18 USB0_DM
USB0_DP F15 DVDD3318_A2
5
M19 USB0_DP
G5 DVDD3318_A3
P16 USB0_ID
VBUS VBUS G14 DVDD3318_A4
N19 USB0_VBUS
G15 DVDD3318_A5
K18 USB0_DRVVBUS
C722 H5 DVDD3318_A6
N17 USB0_VDDA12 18M_1
0.22u E14 DVDD3318_B1
P18 USB1_DM
F6 DVDD3318_B2
P19 USB1_DP
F7 DVDD3318_B3
/WP
E9 MMCSD0_CLK
F8 DVDD3318_B4
F1 MMCSD1_DAT<7>/LCD_PCLK
/SD_DET F10 DVDD3318_B5
F2 MMCSD1_DAT<6>/LCD_MCLK
PRHOTB R714 F11 DVDD3318_B6
H4 MMCSD1_DAT<5>/LCD_HSYNC MAIN MPU
56 F12
LCD_RST DVDD3318_B7
G4 MMCSD1_DAT<4>/LCD_VSYNC
F13 DVDD3318_B8
IC702
R5 LCD_AC_ENB_CS
G9 DVDD3318_B9
L1 SATA_RXP
J14 DVDD3318_B10
L2 SATA_RXN
K15
DVDD3318_B11
J1 SATA_TXP 33M
J5 DVDD3318_C1
J2 SATA_TXN
K13 DVDD3318_C2
N2 SATA_REFCLKP
R709 L4 DVDD3318_C3
10k N1 SATA_REFCLKN
L13
DVDD3318_C4 DVDD3318_C6
N3 SATA_REG
4 /KEY_IO_INT M13 DVDD3318_C5 DVDD3318_C7
W14 GP6<7> DVDD3318_C8
N13 DVDD3318_C9
V15 GP6<6>
DVDD3318_C10
P5
V18 PRU0_R30<15>/PRU0_R31<15>
P6
V19 PRU0_R30<14>/PRU0_R31<14>
P12
U19 PRU0_R30<13>/PRU0_R31<13>
R4
T16 PRU0_R30<12>/PRU0_R31<12>
R18 PRU0_R30<11>/PRU0_R31<11> L18 M17 M15 H18 H1 H2 K1 K2 L3 M1 M14 N16 A19 H8 H9 H15 J7 J8 J9 J10 J11 K7 K8 K9 K10
R19 PRU0_R30<10>/PRU0_R31<10>
R15 PRU0_R30<9>/PRU0_R31<9>
/S_RST G For CVDD For RVDD,USB
P17 GP6<5> RTCGND
U18 RMII_TXD<1>/PRU0_R31<29>
V16 RMII_TXD<0>/PRU0_R31<28>
R14 RMII_TXEN/PRU0_R31<27>
RMII_RXD<1>/PRU0_R31<26>
W16
RMII_RXD<0>/PRU0_R31<25>
V17 RMII_RXER/PRU0_R31<24> For DVDD IO For DVDD IO
RMII_MHZ_50_CLK/PRU0_R31<23>
W17
RMII_CRS_DV/PRU1_R31<29>
W18 MMCSD1_DAT<3>/PRU1_R30<3>/PRU1_R31<4>
W19 MMCSD1_DAT<2>/PRU1_R30<2>/PRU1_R31<3>
SD1_DAT[3] MMCSD1_DAT<1>/PRU1_R30<1>/PRU1_R31<2>
H3
PRU1_R30<0>/PRU1_R31<1>
3 SD1_DAT[2] Bypass capacitors for OMAP
K3
SD1_DAT[1]
J3
K4
E6 C7 B6 A6 D6 A7 D9 E10 D7 C6 E7 B5 E8 B8 A8 C9 A10 B10 A11 C10 E11 B11 E12 C11 A12 D11 D13 B12 C12 D12 A13 B13 E13 C13 A14 D14
1.8V
3.3V
33M
RESET
4
1.8V
IC703
2 S-80135ANPF-G
1
LPDDR FLASH
A8 B7 B8 C7 C8 D7 D8 E7 E3 D2 D3 C2 C3 B2 B3 A2 E8 E2 F3 F7 H3
1.8V
E9 VDDQ5 VSSQ5 E1
D1 VDDQ4 VSSQ1 D9
C9 VDDQ3 VSSQ4 C1
B1 VDDQ2 VSSQ3 B9
IC701 E3 H3 E4 H4 H5 E5
A7 VDDQ1 VSSQ2 A3
K9 VDD3 VSS3 K1
G5 VCC
F9 VDD2 VSS2 F1
A9 VDD1 VSS1 A1
E2 D2 C2 A2 B2 D3
J8 J9 K7 K8 K2 K3 J1 J2 J3 H1 J7 H2 G3 G2 G1 H7 H8 H9 G9 G8 G7 F8 F2
1
A B C
33SDS
ROUT To MOD AMP
R912
15k C811
SW
MICBS
TC7WU04FKFT
C920 Q884 R917 INVERTER
2Y
CODEC
47k R750 220 AUD_DI 3A
4.6V 470p
MICB 47C 1Y
EM6M2
VCC
R804
L714
L715
L7H-0054-00
PTT B3 B2 B1 A6 A5 A4 A3 A2 A1
D882,883
SCK1
B4 SCLK F6
VOX C776
DNC3
C911 D882 R914 B5 DBVDD F5
VOX DNC4 4.7u
1u 12k B6 AUX1 CIFMoDE/GPIo3 F4
RB531SM-30 3.3V
C813
C1 LINEoUTL GPIo1 F3
AUD_DO
C2 IC707 DACDAT F2
LINEoUTR
AMCLK
C3 ADCDAT MCLK F1
R756 220 SDO1 IC714
33M C4 MICBIAS SDA E6 33AD AVR
R794
C777 4.7u STBY GND
C5 AUX2 DCVDD E5
C923 R751 56 SDI1 10k
C6 SDoUT/GPIo4 E4 Q702
10u 10 IN2L LTC043ZEBFS8
IC882 8.3V
+B D1 D2 D3 D4 D5 D6 E1 E2 E3 /33ADS L710
VoUT VIN VoUT
VCC
FB
NC3 WCLK
SW BU33TD2WNVX
GND NC2 BCLK
NC1 EN
R918 AFBS
R781 220 /CODEC_CS
1k
BD00GA5WEFJ
1.8V
CODEC AVR
AF AMP AVR
IC708
BU18TD2WNVX
R748
STBY
SPMI GND
1k
VIN 4.6V
VoUT
47C
2.9V
/BINT
Q701
/BINT
R741
470k
4 3
EM6K34
4.6V
1 2
8.4V
8.4V
3.9V
40C
33M
18M
12M
1.2V
3.3V
12M_1 L705
PLL0_VDDA L706 33M AVR 18M DCDC
IC712 IC718
XC6223D331G-G LXDC2HN18F163
PLL1_VDDA L707 VIN
CE VSS
1.8V
18M_1 L704 18M
VIN VoUT EN
18M_2 L703
33M
+B
31BU AVR
OMAP 3.1V
RTS2 3 2
AMUTE/UART2_RTS D5
R871 0 LDB EP
AFSR C2
LDA
ACLKR A1 7
AHCLKR/UART1_RTS A2
R769 47
WCLK 4 5
AFSX B2
R768
BCLK
ACLKX B1
330
AHCLKX/USB_REFCLKIN/UART1_CTS A3 AMCLK
1.2V
AUD_DI
AXR0/ECAP0_APWM0/MII_TXD<0>/CLKS0 F3
12M_1 R770 AUD_DO
VOX
AXR1/DX0/MII_TXD<1> E1 REM
56
AXR2/DR0/MII_TXD<2> E2
AXR3/FSX0/MII_TXD<3> E3 /BINT
TU_AUD_DI
AXR4/FSR0/MII_CoL D1
M3
AXR5/CLKX0/MII_TXCLK D3 TL746
T19
TL745
AXR6/CLKR0/MII_TXEN C1
N4 VINOK
AXR7 D2
NC3 P2 R773 100 SPMI
AXR8/CLKS1/ECAP1_APWM1 E4
SATA_VDD2 P1
RSV2 R772 56 PWR
AXR9/DX1 C3
SATA_VDD1 M2 TL744
SATA_VDD4
AXR10/DR1 D4 R787
SATA_VDDR P3 BER_DATA VCOADJ
SATA_VDD3 12M_1 AXR11/FSX1 C5
47k
USB_CVDD M12 TL719 BT_AUD_DI
AXR12/FSR1 C4
USB1_VDDA18 P14 R788
BER_CLK
AXR13/CLKX1 B3
USB1_VDDA33 P15 BT_AUD_DO 47k
TL720
18M_1 AXR14/CLKR1 B4
USB0_VDDA18 N14 R767 R789
33M AXR15/ECAP2_APWM2 A4 PTT
USB0_VDDA33 N18 100 470k
18M_2 GP8<12> G3
DDR_DVDD18_10 R9
SD1_CMD
MMCSD1_CMD J4
DDR_DVDD18_9 R8
SD1_CLK
MMCSD1_CLK G2
DDR_DVDD18_8 R7
MMCSD1_DAT<0> G1 SD1_DAT[0]
DDR_DVDD18_7 P10
GP6<8> T15
DDR_DVDD18_6 P9
GP6<9> U16
DDR_DVDD18_5 P8 ENC1
GP6<10>W15
DDR_DVDD18_4 P7 ENC2
GP6<11> U17
DDR_DVDD18_3 N10 GPS_ANT_SW
GP6<12> R16
DDR_DVDD18_2 N9
MICBS
GP6<13> R17
DDR_DVDD18_1 N6
SDI1
SPI1_SoMI H17
DDR_VREF R6
SDO1
DDR_ZP R745 SPI1_SIMo G17
U12 RA701
RTC_CVDD G16 I2CCK
PLL1_VDDA L14 49.9 (D)
I2CDT
PLL0_VDDA PLL1_VDDA G18
N15 C778 RXD2
100p
PLL0_VDDA F17
L15 TXD2
6 5 4
F16
SPI1_SCS<7>/I2C0_SCL RXD1
K11 L5 L7 L8 L9 L10 L11 M4 M5 M6 M7 M10 M11 N5 N11 N12 P11 SPI1_SCS<6>/I2C0_SDA E18 LEVEL SHIFT
SPI1_SCS<5>/UART2_RXD TXD1
SPI1_SCS<4>/UART2_TXD F19
SPI1_SCS<3>/UART1_RXD /CODEC_CS
SPI1_SCS<2>/UART1_TXD F18
For DDR_DVDD SPI1_SCS<1>
B_SHIFT 1 2 3
SPI1_SCS<0> E19
SPI1_ENA H16
R783
SCK1
SPI1_CLK G19
220 SDI0 C867 0.1u
SPI0_SoMI/MII_RXER C16
SDO0
SPI0_SIMo/MII_CRS C18
RXD0
For USB For DVDD IO SPI0_SCS<5>/UART0_RXD/MII_RXD<3> C19
TXD0
SPI0_SCS<4>/UART0_TXD/MII_RXD<2> D18
SPI0_SCS<3>/UART0_CTS/MII_RXD<1> E17
/RST
SPI0_SCS<2>/UART0_RTS/MII_RXD<0>
D16
/EVCS
SPI0_SCS<1>/MDIo_CLK E16
/ADC 30M AVR
SPI0_SCS<0>/MDIo_D D17
IC713
SPI0_ENA/MII_RXDV C17 BU30TD2WNVX
SCK0 R797
1k
SPI0_CLK/MII_RXCLK D19 STBY
GND
B14 D15 C14 C15 A15 B7 D8 A16 A9 A18 B17 A17 F9 B16 D10 B9 A5 C8 B15 B18 B19
R795 VIN
VoUT
47
3.0V
LCD_RST
TYPE
18M
18M_3
40C
1.8V
AND
3 SW 1 2 3
SW
R811
2 5 4
C800
0 R798 C810
0.1u 10k 0.1u
C797 1u
RA702 FOR BYTE PORT C798 0.1u
R796
R791
4.7k C805
R792
270k 680p
IC705 4 3 2 1 (D)
H6 E6 F3 G3 F4 G4 F5 G6 F6 G7 G1 F7 E1 A4 H8 H1 D1 C1 B1 A8 A1
VSS3 E8
VSS2 H2
/WP internal Pull-Up
VSS1 H7
5 6 7 8
1 2 1
C3 A3 B6 A6 C6 D6 B7 A7 C7 D7 E7 B3 C4 D5 D4 C5 B8 C8 F8 G8 F2 G2 A5 B5 B4 F1 D8
2 2
1
C799
R762 4.7k
LED 1u
DRIVER
VOLTAGE
PROTECTOR
/FRST = OPEN DRAIN
LCD
J2B-0201
D E F G
KEY(XC1-138 7/7)
CN1
MONI POWER PTT
3.9V
S722 S723 S721
S70-0514-05 S70-0514-05 S70-0514-05
LED
3.3V
TL722
PY BR
TH700
NCP18WB473J0S
PSW BUSY ON AIR
-t
TL721
Battery charge
Temp DET
TLED
I2CCK
SW RA801
0.01u
I2CDT
IC711 /KEY_IO_INT
47k*2
RLED
GND
2A
R808
3Y
220
1A
100k 6.8V
X702
12.288MHz
0.01u
R757 R758
100k (D) 47k (D)
R774 C848
12k 1u
C870
31BU
0.1u
AND SW
R821 IC728
12k B+INPUT TC7SZ08FE
V-
R739
B-INPUT INB
A+INPUT VCC
R810 R818 12k BoUTPUT R870 INA
A-INPUT 15k
47k (D) 100k (D) V+ GND
AoUTPUT oUTY
C826 SW
IC720 C851 0.1u 25
0.1u NJM2904CRB1
Q886
R859 100k
SW MOD AMP
R878
Q704
47k C894
R805
EM6M2 470p
47k C820
470p
EM6M2
IC675-677
GATE SW
LOAD SW
1.2V
IC724
XC8102AA07-G
3 2 1 3 2 1 3 2 1
VIN VoUT
12M DCDC
IC722
GND_2 SW
GND_3
GND CE VSS 4 5 4 5 4 5
Q706
EN C872 C873 C874
EM6M2
MoDE C843 0.47u
VIN_2
VoUT_1 R856 0.01u 0.01u 0.01u
VoUT VIN_1
VoUT_2 47k
RA671
GND_1
LEVEL CONVERTER 3.3V to 4.7V
150*4
REVERSE TL724
CURRENT
12BU AVR VDCIN
PROTECTOR
D710 12BU
SW
SW
1 RB520SM-30 14 13 12 11 10 9 8 5 4
4 3 D720
R850
RB715F
100k
IC726,732
6 1 2 3 4 5 6 7 BUS SW 1 2 3
1 2
R851
CHG_TH
47k (D)
3.3V
ADC
C844
4.6V 0.1u
RA703
24 23 22 21 20 19 18 17
RA711
ADC VREF 25 SDI 16
SDo CH4 VOX
26 15 SQA
150*4 CH5
27 BDGND 14 SQB
CH6
C840 0.1u IC725
IC721 28 +VBD CH7 13 100*4
ADS7961SRHB
BU7242FVM TL727 CH8 12 RA712
29 GPIo LEVEL SHIFT
REFM SMA
oUT1 CH9 11 SMB
VDD R848 30 REFP 1.8V-3.3V
21REF 0 VDCIN
IN1- 31 +VA2 CH10 10 CURR IC930
oUT2
IN1+ 74AVC4TD245GU
32 CH11 9 100*4
IN2- 1.8V
VSS
IN2+ 1 2 3 4 5 6 7 8 VOLTAGE
PROTECTOR
D675
1SS400CM DIR4 DIR1
R782 GND VCC(A)
39k VCC(B)
OE
R840 VERDET DIR3 DIR2
47k
31BU
RXD1
TXD1
5 4
/BT_SHUTDOWN
/GPS_SHUTDOWN
AND SW
1 2 3
GPS_ANT_SW
8.3V
BCLK
WCLK
BT_AUD_DO
BT_AUD_DI
SW
IC733
XC8102AA07-G CTS2
RTS2
VoUT TXD2
VIN RXD2
VSS
CE
3.9V
TL723
TL733
1 1
2 2
TX-RX(XC1-138 2/7)
CN661
H I J
ENC Vol
I/O EXPANDER
C2 C1 B5 B4 B3 B2
C3 GND KPY6 B1
KEY_O1 KEY_I1
C4 KPX1 A5
KPY1
KEY_I0 IC730 33M
C5 VCC A4
KPX0
RA717 D1 KPX6 A3
SCL
KPX4 KEY_I4
I2CCK D2 SDA KPY5 A2
I2CDT
D3 KPY10(PWM0) A1
10*4
D4 D5 E1 E2 E3 E4 E5
/KEY_IO_INT
3.3V
LAMP B
IC731
BD00GA5WEFJ
6.8V
+B
VoUT
VCC
FB
NC3
GND
R777 NC2
NC1
EN
1k
4.6V
DA CONVERTER
C676
1u 10
VIN2
C675
VIN7 FM TUNER
100p 76-108MHz
R699
GND L675 C692
VDD IC671 47k
LD R2A20178NP RESET 270n 0.01u
C683 L672 L674 C687
VDAREF2 Q675
CLK VDAREF1 56n 100n
0.01u 100p 2SC5661/P/
DI VIN6
VIN3
R683
TL671
100k RF AMP
From TX/RX
R806
D673,674
100
BPF TUNING
BPFR
SW 3.3V
BT & GPS
Q930
C930 0.1u
FL932
X930 L79-1987-05
C931
19.2MHz C969 MSL
0.1u RA938
22p
EM6M2
47k*2
3.3V
C941
1u C964
RA937 0.1u
18BT AVR L77-3123-05 C942
IC931 C935 0.1u C965 0.1u
BU18TD2WNVX C966 0.1u
100*2 0.1u C943 0.1u
R934 VSS_RF_BT
STBY C944 VDD_PPAIF_BT C967 0.1u
GND IC932 0.1u BT_RF
1k 33BT AVR VDDS4 VDD1P8V_BT REF_CLK_LV
BU33TD2WNVX PMTEST_1P8V VDD_LDoIN_CLASS1P5_BT
C949 VDD1P8V_1 REF_CLK_HV
TCXo_LDo_VPRoG VDD_CLASS1P5_BT
R939 STBY 18p VDD_DIG_LDo BT_WAKEUP
L930 GND TCXo_CLK_LV VDD_SRAM_LDo
VIN VSS_DIG5
VoUT 1k VSS_TCXo_CLK VSS_REF_CLK
C945 TCXo_CLK_REQ
VDD_TCXo VSS_DIG3
0.1u
VDD_DIG2 VDD_SRAM1
33BT 1.8V
VIN VSS_DIG2 IC935 VDD_DIG4
VoUT C946
TCXo_LDo_IN VSS_DIG1
1u
C937 GPS_PPS_oUT VDDS2
TL931 GPS_TIMESTAMP FM_I2C_SDA C963
1u 1u
C934 1u GPS_nSHUTDoWN FM_I2C_SCL R945
GPS_TP
L932 GPS_SENS_I2C_SDA FM_IRQ
VDD1P8_GPS 10k
GPS_SENS_I2C_SCL VSS_PLL_GPS FM_I2S_CLK
BT_AUD_DO_2 18GPS_RX FM_AUD_IN_R
BT_AUD_DI_2 30GPS AVR GPS_UART_RX VDD_PLL_GPS RTC_CLK FM_I2S_FSYNC
VSS_LNA_GPS1
IC933 18GPS_TX GPS_UART_TX VDD1P8_FM FM_I2S_oUT
RA933 VSS_PASYNTH_FM
BU30TD2WNVX GPS_TM FM_I2S_IN GPS&BT RTC
100*2
C947 FM_AUD_IN_L
STBY
GND L939 TL934
0.1u
RA932
X931
CTS2_2 C948
RTS2_2 L77-3121-05
0.1u
TXD2_2 VIN
RXD2_2 VoUT
L931 L933
100*4 33BT GPS SAW FILTER
C936 FL931
L934 L938 C968 R946 R947
0.47u 18BT
10n 22p 0
1.8V
MSL
L937
27n
3.0V
TL732
K L M
FM TUNER INVERTER
R696
0
R691 IC672
TC7WU04FKFT
100
R692 C693
2Y
100 GND
0.1u 25
3A
2A
1Y
C694
RST 3Y
VA
RoUT/[DoUT] 0.022u 25 1A VCC
LPI LoUT/[DFS] GND
DoUT/[RIN] R697 R689
RFGND
FMI 10M 10M
NC1
R698
470k
IC674
SI4704-D60-GM
C699 33p
R693
220 IC673 C984
TC7WH08FKJC
22p
VCC 1A
1Y 1B
2B 2Y
2A GND
AND SW
E930
SHIELD CASE F10-3228-15
BT ANT
TL935
MSL
MSL-SL-MSL L942
C982 22p 1.8n
1.8V
C975
DIR1 DIR1
DIR4 IC936 DIR4
0.1u IC937
GND VCC(A) GND VCC(A)
C976 R951
OE VCC(B) OE VCC(B)
74AVC4TD245GU 0.1u 10k 74AVC4TD245GU
DIR3
DIR3 DIR2 DIR2
IC936,937 C980
0.1u
LEVEL SHIFT 3.3V
3.3V
1.8V-3.3V C979 C981
DIRn H:An to Bn
47p 0.1u
L:Bn to An
CN931
C973
GPS ANT
0 18p
N O P Q
(No.RA044<Rev.001>) 2-1