Read Sony HCD-ECL77BT / HCD-ECL99BT Service Manual online
HCD-ECL77BT/ECL99BT
HCD-ECL77BT/ECL99BT
25
25
5-7. SCHEMATIC DIAGRAM - MAIN Board (4/8) -
A
3
8
6
E
2
9
D
5
B
C
7
1
4
(4/8)
MAIN BOARD
F
Connect VFD Board
MUTE Circuit
STB_3.3V
RTC_3.3V
STB_3.3V
RTC_3.3V
RTC_3.3V
STB_3.3V
STB_5V
STB_3.3V
V_12V
V_-24V
CP3V3
CP3V3
VCC_D
STB_3.3V
V_12V
STB_3.3V
STB_3.3V
STB_3.3V
STB_3.
3V
STB_3.3V
1
2
3
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
1
2
3
5
6
7
9
10
15
16
17
18
19
20
21
22
34
33
30
29
28
48
47
46
45
44
43
42
41
4
8
11
12
13
14
23
24
27
26
25
31
32
35
36
40
39
38
37
1
2
3
4
5
6
7
8
9
R258
33
R258
33
R109
0
R109
0
C342
0.
1uF/
25V/
X5R
C342
0.
1uF/
25V/
X5R
C
226
100pF/
50V/
N
P0
C
226
100pF/
50V/
N
P0
C113
33pF/50V/NP0
C113
33pF/50V/NP0
C
224
100pF/
50V/
N
P0
C
224
100pF/
50V/
N
P0
D3
LL4148
D3
LL4148
R268
33
R268
33
C344
0.
1uF/
25V/
X5R
C344
0.
1uF/
25V/
X5R
C
118
100pF/
50V/
N
P0
C
118
100pF/
50V/
N
P0
R108
4.7K
R108
4.7K
R120
33
R120
33
C
227
100pF/
50V/
N
P0
C
227
100pF/
50V/
N
P0
C
121
100pF/
50V/
N
P0
C
121
100pF/
50V/
N
P0
47uF/16V
CE15
47uF/16V
CE15
XP19
3PIN/2.0mm
XP19
3PIN/2.0mm
C345
0.
1uF/
25V/
X5R
C345
0.
1uF/
25V/
X5R
XP9
4PIN/2.0mm
XP9
4PIN/2.0mm
XP15
13PIN/2.0mm
XP15
13PIN/2.0mm
C112
33pF/50V/NP0
C112
33pF/50V/NP0
C
122
100pF/
50V/
N
P0
C
122
100pF/
50V/
N
P0
R
141
4.
7K
R
141
4.
7K
C1
10
10PF/
50V/
NPO
C1
10
10PF/
50V/
NPO
R117
33
R117
33
R1
61
1M
R
161
1M
R131
220
R131
220
R159
10K
R159
10K
C108
0.1uF/25V/X5R
C108
0.1uF/25V/X5R
R
138
4.
7K
R
138
4.
7K
R
136
4.
7K
R
136
4.
7K
C347
0.
1uF/
25V/
X5R
C347
0.
1uF/
25V/
X5R
R
160
1M
R
160
1M
R
116
4.
7K
R
116
4.
7K
C
228
100pF/
50V/
N
P0
C
228
100pF/
50V/
N
P0
R261
33
R261
33
R164
1M
R164
1M
R
142
4.
7K
R
142
4.
7K
Q11
PNP_3CG3906M
Q11
PNP_3CG3906M
R256
33
R256
33
R1
19
33
R
119
33
R266
33
R266
33
C
373
0.
1uF/
25V/
X5R
C
373
0.
1uF/
25V/
X5R
C
229
100pF/
50V/
N
P0
C
229
100pF/
50V/
N
P0
R147
33
R147
33
C111
0.1uF/25V/X5R
C111
0.1uF/25V/X5R
C
231
100pF/
50V/
N
P0
C
231
100pF/
50V/
N
P0
R145
33
R145
33
R154
0
R154
0
C106
2.2uF/10V/Y5V
C106
2.2uF/10V/Y5V
R114
10K
10K
R114
10K
10K
Y3
12MHz/20PPM
Y3
12MHz/20PPM
R165
1M
R165
1M
R107
10K
R107
10K
C
107
10PF/
50V/
N
PO
C1
07
10PF/
50V/
N
PO
C
119
100pF/
50V/
N
P0
C
119
100pF/
50V/
N
P0
R157
100K
R157
100K
R1
52
1M
R
152
1M
Y2
32.
768KH
z/
30PPM
Y2
32.
768KH
z/
30PPM
R128
NC/33
R128
NC/33
R262
33
R262
33
R155
1M
R155
1M
R1
25
33
R
125
33
U14
PCF85163
U14
PCF85163
R254
220
R254
220
R
140
4.
7K
R
140
4.
7K
R1
15
33
R
115
33
R110
33
R110
33
R156
1K
R156
1K
C114
10uF/10V/Y5V
C114
10uF/10V/Y5V
R1
24
33
R
124
33
R257
33
R257
33
C341
0.
1uF/
25V/
X5R
C341
0.
1uF/
25V/
X5R
100uF/16V
CE17
100uF/16V
CE17
R253
220
R253
220
R122
33
R122
33
R150
1M
R150
1M
R
137
4.
7K
R
137
4.
7K
C
223
100pF/
50V/
N
P0
C
223
100pF/
50V/
N
P0
R153
NC/0
R153
NC/0
R118
33
R118
33
R126
33
R126
33
C
120
100pF/
50V/
N
P0
C
120
100pF/
50V/
N
P0
R144
33
R144
33
R130
220
R130
220
R113
1M
R113
1M
U16
STM08S005C6
STM08S005C6
U16
STM08S005C6
STM08S005C6
R151
10K
R151
10K
R162
33
R162
33
C
225
100pF/
50V/
N
P0
C
225
100pF/
50V/
N
P0
R148
33
R148
33
D5
LL4148
D5
LL4148
R133
33
R133
33
R1
29
33
R
129
33
R132
1M
R132
1M
R1
21
33
R
121
33
R166
1M
R166
1M
R149
1M
R149
1M
D4
LL4148
D4
LL4148
R255
33
R255
33
U15
U15
Authentication IC 2.0C
R252
220
R252
220
R1
58
1M
R
158
1M
Apple Authentication
1
2
3
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
OSCI
OSCO
INT/
VSS
SDA
SCL
CLKOUT
VDD
NSRT
OSCIN/PA1
OSCOUT/PA2
VSS
VCAP
VDD
PA3
PF4
PB7/AIN7
PB6/AIN6
PB5//AIN5/SDA
PB4//AIN6/SCL
PB3/AIN3/TIM1_ETR
PB2/AIN2/TIM1_CH3N
PB1/AIN1_TIM1_CH2N
PB0/AIN1_TIM1_CH1N
PC7/SPI_MISO
PC6/SPI_MOSI
PC5/SPI_SCK
PC4/TIM1_CH4/CLK_COO
PC3_TIM1_CH3
PD7/TIM1_CH4
UART1_RX/PD6
UART1-TX/PD5
PD4/BEEP/TIM2_CH1
PD3/TIM2_CH2/ADC_ETR
PD2/TIM2_CH3
PD1/SWIM
PD0/TIM3_CH1
VSSIO_1
VDDIO_1
PA5
PA6
VDDA
VSSA
PE7/AIN8
PE6/AIN7
PC2_TIM1_CH2
PC1/TIM1_CH1/UART1_CK
PE5/SPI_NSS
VSSIO_2
VDDIO_2
PG0
PG1
PE0/CLK_CCO
PE1/I2C_SCL
PE1/I2C_SDA
PE3/TIM3_CH2
GND
SDA
NC
NC
NC
SCL
RST
VCC
GND
Active Mode Current : 7.5mA
MCU_RST
SWIM
RTC_SDA
RTC_SCL
TIME_ON/OFF
GND
PCON
YI
YO
MCU_RST
POWER_FRQ1
VFD_CLK
AMP_FAULT
MUTE
CP_SCL
CP_SDA
USB_EN
IR
VFD_DATA
USB_FAULT
POWER_EN
POWER_EN
VOL+
VOL-
VFD_CS
CHG_EN
POWER_FRQ1
RTC_SCL
RTC_SDA
CP_SCL
CP_SDA
4052_SW1
4052_SW2
VOL+
VOL-
VOL-
VFD_CS
VFD_CLK
VFD_DATA
MUTE
AMP_MUTE
I2C_SW
POWER_KEY
M
CU_
RST
YO
YI
BT_RESET
RDS
POWER_EN
CHG_EN
MCU_SCL
MCU_SDA
POWER_FRQ1
PCON
PCON
I2C_SW
MCU_SCL
MCU_SDA
BT_RESET
AM
P_FAULT
IR
RDS
MPEG_REST
TI
M
E_ON/OFF
I2C_SW
VOL+
POW
ER_KEY
4052_SW1
4052_SW2
VFD_FM_EN
USB_FAULT
USB_EN
SWIM
AMP_MUTE
FAN_PWM
FAN_PWM
NFC_INT
NFC_INT
LED_BLUE
LED_BLUE
AUX_R
AUX_L
MPEG_REST
VOL-
VFD_FM_EN
VFD_FM_EN
S
PCON
5
AMP_FAULT
10
MUTE
10
USB_EN
7
USB_FAULT
7
POWER_EN
5
CHG_EN
10
POWER_FRQ1
10
RTC_SCL
10
RTC_SDA
10
CP_SCL
10
CP_SDA
10
4052_SW1
10
4052_SW2
10
VFD_CS
10
VFD_CLK
10
VFD_DATA
10
AUX_L
AUX_R
BT_RESET
MCU_SCL
10
MCU_SDA
10
BT_RESET
10
RDS
10
MPEG_REST
5
I2C_SW
10
FAN_PWM
10
NFC_INT
10
LED_BLUE
10
VFD_FM_EN
5
MCU_RST
++
++
Click on the first or last page to see other HCD-ECL77BT / HCD-ECL99BT service manuals if exist.