Schematic Diagram - Main Board (4/6) - Sony HCD-S20 Service Manual

6-9.

SCHEMATIC DIAGRAM - MAIN Board (4/6) -

1
MAIN BOARD
A
TIME_ON/OFF
B
MCU3V3
5PIN/2.0mm 5PIN/2.0mm
5
5
4 ICE_DAT
4
3 ICE_CLK
3
2
MCU_RST
2
1
1
XP8 XP8
C
For debug
D
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
XP12 XP12
12PIN/2.0mm 12PIN/2.0mm
E
HCD-S20
2 3
(4/6)
MCU3V3 RTC_3.3V
D3 D3
RTC_3.3V
LL4148 LL4148
+ +
RTC_3.3V
U10 U10
R93 R93 33 33 1 8
OSCI VDD
2 7
OSCO CLKOUT
3 6 RTC_SCL
INT/ SCL
4 5 RTC_SDA
VSS SDA
PCF85163 PCF85163
C165 C165
0.1uF/25V/Y5V 0.1uF/25V/Y5V
MCU3V3
MCU_RST
R92 R92 1M 1M
R100 R100
10K 10K Y3 Y3
D2 D2 YO YI
LL4148 LL4148
12MHz/20PPM 12MHz/20PPM
MCU_RST
C114 C114 C116 C116
33pF/50V/NP0 33pF/50V/NP0
33pF/50V/NP0 33pF/50V/NP0
C112 C112
10uF/10V/Y5V 10uF/10V/Y5V
VFD_CLK
VFD_DATA
VFD_CS
VFD_VCC R140 R140 0 0
VFD_12V
R141 R141 0 0
-24V
UPG5V
R126 R126 0 0
R125 R125 0 0
ADC_KEY2
ADC_KEY1
4 5
XP9 XP9
4 R131 R131
4
3 R127 R127
3
2
2
1
R128 R128
1
C118 C118 C119 C119
4PIN/2.0mm 4PIN/2.0mm
C120 C120
NC/100pF/50V/NP0 NC/100pF/50V/NP0
MCU3V3
MCU3V3
C111 C111
0.1uF/25V/Y5V 0.1uF/25V/Y5V
R96 R96 R113 R113
10K/1% 10K/1% 10K/1% 10K/1%
R120 R120 1K 1K MPEG_RST
ADC_KEY1 4052_SW1
ADC_KEY2 ADC_KEY2 R107 R107 0 0
MCU_RXD
MCU_TXD R189 R189 1K 1K
TIME_ON/OFF R130 R130 4.7K 4.7K
R80 R80 0 0
U11 U11
1 36
R86 R86 0 0
MOSI_0 PWM1
POWER_EN2 2 35
MISO_0 SPISS1
R87 R87 0 0 3 34
SPICLK0 MOSI_1
MCU_RST 4 33
RST MISO_1
5 32
RXD SPICLK1
6
31
AVSS ICE_DAT
7 30
TXD ICE_CLK
IR 8 29
STADC ALE
POWER KEY 9 28
MCLK /CS
10 27
RTC_SDA
SDA/T0 PWM7
RTC_SCL 11 26
SCL PWM6
POWER_EN1 12 25
PWM3 PWM5
M0516LBN M0516LBN
AUDIO_MUTE
AMP_RST
R94 R94
22 22
+ +
YO
YI
25 25
6
DVCC3
MCU3V3
POWER_EN1
POWER_EN1
POWER_EN2
POWER_EN2
AUDIO_MUTE
AUDIO_MUTE
0 0 POWER KEY MPEG_RST
MPEG_RST
0 0 VOL-
MCU_RXD
MCU_RXD
VOL+ MCU_TXD
0 0
MCU_TXD
4052_SW1
4052_SW1
TUNER_SCL
TUNER_SCL
TUNER_SDA
TUNER_SDA
USB_EN
USB_EN
USB_FAULT
USB_FAULT
AMP_SCL
AMP_SDA
FAULT
AMP_RST
FAULT
DVCC3
AMP_SDA
AMP_SCL
TUNER_SCL TUNER_SCL
TUNER_SDA TUNER_SDA
VOL+ USB_FAULT
VOL-
USB_EN
ICE_DAT
ICE_CLK
USB_FAULT
AMP_SDA
AMP_SCL
MCU3V3
POWER_EN1
MPEG_RST
AMP_RST
POWER_EN2
HCD-S20
7
5
5
10
6
6
6
9
9
9
7
7
10
AMP_SCL
10
AMP_SDA
10
FAULT
10
AMP_RST
DVCC3