Main(System Control) - Panasonic SA-PT480PH Service Manual

14.2. Main(System Control)

POWER BUTTON P.C.B.
S6801
D6800
POWER
CN6001 H6803 KEY1 BTN H6803
VREF
2 2 3
S6807 S6007
OPEN/CLOSE SELECTOR
S6003 S6005
PLAY VOL +
SMPS P.C.B.
D-AMP P.C.B.
MIC P.C.B.
FL P.C.B.
Q6800
CN6001 LED CTL P6001 CN2002
LED CONT
LED DRIVE
3 13 10
P6001 CN2002
KEY1 KEY1
1 22
IC2301
C3EBFY000006
EEPROM
CS 1
SK 2
DI 3
S6002
STOP
DO 4
P6001 CN2002 KEY2
2 21
IC2400
S6006
MFI341S2164
VOL -
MICRO CONTROLLER
I2C SDA 13
I2C SCL 12
nRESET 4
JW2* CN2004 SYNC
1 1
JW2* CN2004 PCONT
FROM/TO
9 9
POWER SUPPLY
JW2* CN2004
ECO_CTL
10 10
JW2* CN2004
3 3 Q2730
X2301
SWITCH
X2300
CN5402 CN2006
16 3
CN5402 CN2006 DC DET2
15 4
CN5402 CN2006
DAP RST
FROM/TO
1 18
DIGITAL AUDIO
CN5402 CN2006 DAP MUTE
2 17
CN5402 CN2006
3 16
CN5402 CN2006
4 15
DSP SCK
DSP SCK
DSP SDA
DSP SDA
DSP RESET
DSP RESET
DSP MUTE
DSP MUTE
SEL A
SEL A
FROM/TO
SEL B
SEL B
MAIN(AUDIO)
APD
APD
TUN REST
TUN RST
TUN SCLK
TUN SCLK
TUN SDIO
TUN SDIO
CN7000 CN2000 ECHO LVL 1
3 6
CN7000 CN2000 ECHO LVL 2
FROM/TO
2 7
MAIN(AUDIO)
CN7000 CN2000 ECHO MUTE
1 8
CN7000 CN2000
MIC SW
5 4
IC2300
MAIN P.C.B.
RFKWMPT480GA
MICRO PROCESSOR
FLD DAT
FLD OUT 27
23 LED CTRL
FLD CLK
FLD CLK 28
FLD STB
FLD STB 21
92 KEY1
100 ECS
2 ECK
1 EDA
91 KEY2
iPod VIDEOSEL
iPod VIDEO SEL 49 iPod VIDEOSEL
38 iPhone DAT
VMUTE
VMUTE 53 VMUTE
39 iPhone CLK
40 iPhone RST
RMT
RMT 5
Q2304
DVD MUTE
SWITCH ZFLAG
DVD MUTE 60
19 SYNC
50 PCONT
OPEN SW
UNLOAD SW 56 OPEN SW
4 ECO CTRL
INNER SW
INNER SW 57 INNER SW
10 XCIN(32K) Q2303
TRAY CCW L 58 SWITCH
11 XCOUT(32K)
15 XIN
LDIN
Q2302
13 XOUT
SWITCH
TRAY CW H 59
26 DC DET2
CKDOP CPUCLK
71 DAP RST DVD CLK 79 CPUCLK
CKDOP CPUSTAT
34 DAP MUTE DVD STAT 78 CPUSTAT
CKDOP CPUCMD
CPUCMD
DVD CMD 77
CEC IN OUT
CEC 17 CEC IO
29 DAP/DSP I2CCLK DC DET1
DC DET1 25 DC DET
30 DAP/DSP I2CDAT iPod OC
iPod OC
iPod OC 80
iPod ACC
iPod ACC 83 iPod ACC
iPod CTRL SW
iPod CTRL SW 72 iPod CTRL SW
69 DSP RESET BATTPCONT
BATTPCONT
BATT PCONT 82
70 DSP MUTE VOL0 CTRL
VOL0 CTRL 75 VOL0 CTRL
61 SEL A
90 SEL B
89 APD
37 TUN RST
24 TUN SDCLK
22 TUN SDIO
iPod DET CN2007
iPod DET 74
4
6 ECHO LVL1 Q2601
7 ECHO LVL2 UART TX CN2007
SWITCH
UART TX 35
12
QR2605
18 ECHO MUTE
PCONT SWITCH
86 MIC SW
Q2602
UART RX CN2007
UART RX 36 SWITCH
13
QR2606
PCONT SWITCH
PCONT
PCONT 50
101
IC6001
C0HBB0000057
FL DISPLAY DRIVER
CN2002 P6001 FL DATA DIN
7
18 5
CONTROL
SERIAL
CN2002 P6001 FL CLK CLK
8 DATA
19 4
INTERFACE
DISPLAY
CN2002 P6001 MEMORY
FL STB STB
(24bits x 12 Words)
9
20 3
OSC TIMING
5 OSC
GENERATOR
KEY MATRIX
MEMORY
+3.3V 13 VDD
43 VDD
-VP 30 -VP
TO
ANALOG VIDEO
IR6001
CONTROL SENSOR
REMOTE
CN2002 P6001 RMT
VREF
17 6
FROM/TO
MAIN(SERVO)
FROM/TO
MAIN(VIDEO)
FROM/TO
MAIN(UP-CON)
FROM/TO
POWER SUPPLY
iPod/iPhone
iPod/iPhone P.C.B.
CN1002 CN1001
12 30
CN1002 CN1001
4 18
CN1002 CN1001
3 19
SA-PT480PH MAIN(SYSTEM CONTROL) BLOCK DIAGRAM
DP6001
FL DISPLAY
P16 P16 F+ 31 F+
F+ 32
P1
SEGMENT P1
F- 1 F-
DRIVER
F- 2
GRID
DRIVER
KEY SCAN
G6 G6
OUTPUT
G1 G1
G9
G9
GRID
DRIVER
G7
G7
DIMMING
CIRCUIT
FL P.C.B.