Read Sony SA-WCT260H Service Manual online
SA-WCT260H
SA-WCT260H
20
20
3-9. PRINTED WIRING BOARD - LED Board -
3-10. SCHEMATIC DIAGRAM - LED Board -
LED BOARD
(COMPONENT SIDE)
LED BOARD
(CONDUCTOR SIDE)
A
B
1
2
LED BOARD
A
1
XP11
3PIN/2.0mm
3PIN/2.0mm
XP11
3PIN/2.0mm
3PIN/2.0mm
LED1
SMT_led
SMT_led
LED1
SMT_led
SMT_led
1
2
3
2
1
3
1
2
3
3
2
B
• IC Pin Function Description
AMP BOARD U707 STM8S003F3 (MCU)
Pin No.
Pin Name
I/O
Description
1
UART1_CK/TIM2_CH1/
BEEP/(HS) PD4
I
Interrupt request signal input terminal (for wireless)
2
UART1_TX/AIN5/
(HS) PD5
I
Wireless link signal input terminal (for wireless)
3
UART1_RX/AIN6/
(HS) PD6
I
Interrupt acknowledge signal input terminal (for wireless)
4
NRST
I
Reset signal input terminal (for upgrade MCU)
5
OSCIN/PA1
I
System clock input terminal (12 MHz)
6
OSCOUT/PA2
O
System clock output terminal (12 MHz)
7
VSS
-
Ground terminal
8
VCAP
-
External capacitor connection terminal
9
VDD
-
Power supply terminal (+3.3V)
10
[SPI_NSS] TIM2_CH3/
(HS) PA3
O
Muting signal output terminal (for STA309)
11
PB5 (T)/I2C_SDA
[TIM1_BKIN]
I/O
Two-way serial data terminal (for STA309)
12
PB4 (T)/I2C_SCL
[ADC_ETR]
I/O
Two-way serial clock signal terminal (for STA309)
13
PC3 (HS)/TIM1_CH3
[TLI] [TIM1_CH1N]
I
Power control signal input terminal (for STA518)
14
PC4 (HS)/TIM1_CH4/
CLK_CCO/AIN2/
[TIM1_CH2N]
I
Reset signal input terminal Not used
15
PC5 (HS)/SPI_SCK
[TIM2_CH1]
I
Interrupt acknowledge signal input terminal (for wireless)
16
PC6 (HS)/SPI_MOSI
[TIM1_CH1]
I
Thermal warning signal input terminal (for STA518)
17
PC7 (HS)/SPI_MISO
[TIM1_CH2]
O
Power on/off control signal output terminal (for power)
18
PD1 (HS)/SWIM
O
LED drive signal output terminal
19
PD2 (HS)/AIN3/
[TIM2_CH3]
O
LED drive signal output terminal
20
PD3 (HS)/AIN4/
TIM2_CH2/ADC_ETR
I
Power key input terminal
Ver. 1.1
•
: Uses unleaded solder.
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