Sony SDM-N50PS Service Manual page 33

3
1 2
A
STBY_5V
C527
100
6.3V
GND
B
C
TO P4 MUTE
D
E
TO P4 SDA
TO P4
SCL
R519 R520
10k 10k
1/16W 1/16W
F
TO P4 B_CPU_ST
TO P3 I_SENS
G
H
I
B
-P2
(SUB SYSTEM CONTROL)
J
4
5 6
FB501 FB502
FB2 FB2
R518
C504
10k
22p
1/16W
C510 C511 50V
0.1 100p CH
2
25V 50V STBY5V
X501
F CH
0
P20/A16
4.8
P21/A17
4.8
P22/A18
0
P23/A19
P24/A20
1.6
P25/A21
P26/A22
0
P27/A23
P30/ALE
P31/RDX
VSS
P32/WRLX
P33/WRHX
IC501
P34/HRQ MB90F553APF
SUB SYSTEM
P35/HAKX
CONTROL
P36/RDY
P37/CLK
0
P40/SCK
0
P41/SOT
2.6
P42/SIN
P43/SCK1
P44/SOT1
VCC
P45/SIN1
C517 P46/ADTG
0.1
25V
P47/SCK0
F 3.5
C
4.5
P50/SDA0/SOT0
4.4
P51/SCL0/SIN0
P52/SDA1
C515
C514 C518
0.1 100p 0.1
25V 50V 25V
F CH
F
CE
TO P1
4-25
7 8 9
FB504
FB1
C503
22p
C512 C513
C506
50V
0.1 100p
0.22
4 CH
25V 50V
10V
F CH
3
1
MM1170BFB WDT RESET
0.4
0
4.8
1 PA4/CKOT
0
R507
PA3 100
0 1/16W
PA2
4.8
RSTX
0.2
PA1/OUT3
0
R508
PA0/AUT2
100
1/16W
P97/PPG5
P96/PPG4
C516
0.1
P95/PPG3
25V
F
P94/PPG2
P93/PPG1
4.7
P92/PPG0 DTC114EKA-T146
P91/OUT1
P90/OUT0
P87/IN3
0
P86/IN2
P85/IN1
P84/IN0
P83/TOT1
P82/TOT0
P81/TIN1
P80/TIN0
P77/IRQ7
P76/IRQ6
P75/IRQ5
4.8
P74/IRQ4
P73/IRQ3
P72/IRQ2
4.8
HSTX
*
MD2
R501
10k
1/16W
R502
10k
1/16W
R503
10k
1/16W
R525
10k
1/16W
R533 10k 1/16W
10 11
12
DDON_U TO P4
DDON3
TO P1
DDON2
PWM TO P3
C507
C508
0.01
0.1
25V
25V
F B
F
IC503
R510
10k
4.8
1/16W
TC RST
1.4
NC VS
0.5
CK RCT
GND
VCC
R509
1k 1/16W
0.2
C509
D501
0.1
1SS355TE-17 25V
F
2
0.1
1
D502
UDZ-TE-17-12B
Q501
RA501
SW 100X4
2 1
CN503
4 3
10P
6 5
1 TMODE
8 7
2 TAUX3
3 TVPP1
RA502
4 TRES
100X4
2 1
5 TAUX
4 3
6 TCK
6 5
7 RXD
8 7
8 TXD
9 GND
10 SUB5V
TO A BOARD
CN108
CN501
18P
1 REMOTO
FB505
FB2
2 5V(STBY)
3 KEY
4 INPUT_KEY
5 PW_KEY
6 PW_LED1
7 PW_LED2
8 IN_LED1
9 IN_LED2
10 5V(SENS)
11 GND
12 SEN1
13 SEN2
14 SEN3
15 SEN4
16 LED_CTL
17 VREF
18 GND
TO H BOARD
CN901
B-SS3534<AEP>-B-P2(24)
4-26
• B - P2 BOARD WAVEFORMS
1
4.4 Vp-p (4MHz)