Schematic Diagram - Main Section (2/5) - Sony CAS-1 Service Manual

5-6.

SCHEMATIC DIAGRAM - MAIN Section (2/5) -

1 2 3
MAIN BOARD (2/5)
A
15
B
16
17
18
19
>005S
20
MAIN 21
BOARD
22
(4/5)
(Page 43) 23
C
24
25
26
27
FB655
D
E
2 1
1
F
1.6 2
1.6 3
1.6 4
1.6 5
1.6 6
1.6 7
8
9
G
10
H
I
CN663
2P
JL655 JL650
M +FAN 1
M1 JL706
(FAN) C748 D662
–FAN 2
4.7 DA2J10100L
4.5
J
S SSM3K37MFV,L3SOF
>004S
VDD_3.3V_SYS
MAIN USB_5V
BOARD
(1/5)
(Page 40)
K
DGND
DAC-LRCK
>006S
DAC-BCK
MAIN
BOARD
DAC-DATA
(3/5)
L
(Page 42) DAC-MCK
DCDC_4V
CAS-1
• See page 52 for Waveforms. • See page 54 for IC Block Diagrams.
4 5 6 7
FB657
R896
10k
R855
IC657 0
BUFFER
R770
IC657 22
74VHC541FT(EK)
20 3.2
R772
G1 VCC
22
19
A1 G2
18 1.6
R774
A2 Y1
22
17 1.6
R773
A3 Y2
22
16 1.6
A4 Y3
15 1.6
R879
A5 Y4
0
14 1.6
A6 Y5
13 1.6
A7 Y6 3
4
12
A8 Y7
11
GND Y8
C743
R664
0.1
22
R759
22
R735
22
R736
22
5
R760
22
R775
R769
150
22
R785
FB660
150
6
R790
47
R747
0
0
FB658
0
Q659
FAN MOTOR DRIVE
R794
22
C746
1
8 9 10 11
C744
0.1
C742
0.1
IC656 C741
1
AUDIO SWITCH
IC656
74VHC157FT(EK)
(3.2) 1 16 (3.2)
SELECT VCC
(1.6) 2 15
1A ST
3 14 (1.6)
1B 4A
(1.6) 4 13
R786
1Y 4B
22
(1.6) 5 12 (1.6)
2A 4Y
6 11
2B 3A
(1.6) 7 10
2Y 3B
8 9
GND 3Y
IC658
AUDIO SWITCH
IC658
74VHC157FT(EK)
3.2 1 16 3.2
SELECT VCC
2 15
1A ST
1.6 3 14
1B 4A HOKUTO-SCL
1.6 4 13 1.6
R789
1Y 4B HOKUTO-XRST
150
5 12 1.6
2A 4Y DAMP-XRST
1.6 6 11
2B 3A XPROTECTOR
1.6 7 10
2Y 3B TEMPSENS-COMB
8 9
GND 3Y RSVD-666-43
FUSB-DCDC-EN
DAC-DCDC-EN
AUDIO-MCK
IC659
DIVIDER
8
IC659
TC7WZ04FK
1.7 5 4
R795
GND
22
1.9 6 3 1.5
7 2 1.7
3.2 8 1 R803
FB659
VCC 100
7
C745
0.1
C762
15p
Note 1: CN666 on the MAIN board cannot replace with single. When
this part is damaged, replace the complete mounted board.
41 41
12 13 14 15
C728
4700p
IC655 IC654
VOLTAGE DETECT RESET SIGNAL
IC655 GENERATOR
BU4829F-TR IC654
BU4229F-TR
R856
1k
C725 C726 C727 C730
1000p 1 0.1 0.1
C729 C732
0.1 1
(Page 46)
B TO B
>02S
BOARD
CN1100
CN666
60P
1 FUSB+5V D+5V 2
3 FUSB+5V D+5V 4
5 FUSB+5V D+5V 6
7 FUSB+5V D+5V 8
9 FUSB+5V D+5V 10
11 FUSB+5V D+5V 12
AC-CUT
13 FUSB+5V D+5V 14
JL661
15 FUSB+5V D+5V 16
CL655 JL698
R870
17 CLK_EN D+5V 18
0
JL746
19 DGND DAMP-LRCK 20
R871 R874
21 DGND DGND 22
JL745 0 0
23 DGND DAMP-BCK 24
R872
25 DGND DGND 26
0
JL744
27 DGND DAMP-DATA 28
R873 R875
29 DGND DGND 30
JL743 0 0
31 DGND MCLK 32
JL727
33 HOKUTO-SCL DGND 34
JL728 JL742
HOKUTO-SDA
35 HOKUTO-RESET HOKUTO-SDA 36
JL711 JL741 VOLTSENS-PVDD
37 AMP-RESET VOLTSENS-PVDD 38
JL729 JL740
HOKUTO-XLDO-EN
39 AMP_DET HOKUTO-XLDO-EN 40
JL730 JL739
BT-PAIR-KEY
41 TEMPSENS-COMB BT-PAIR-KEY 42
JL731 JL738
GVDD-12V-EN
43 COMB-DA-CLK GVDD_12V_EN 44
JL732 JL737 AMP-D+3.3V-EN
45 ENABLE-FUSB AMP-D+3.3V-EN 46
JL733 JL736
SPK-DET
47 DAC_DCDC_ENABLE SPK-DET 48
JL660 JL735
AC-CUT
49 AGND AC-CUT 50
JL734
UNPLUG
51 AGND UNPLUG 52
53 AGND A+7V 54
JL696
55 AGND A+7V 56
JL665
57 A–7V AREGGND 58
JL697
59 A–7V AREGGND 60
Note 2: The MAIN board has been changed in the midway of production.
When the complete MAIN board is replaced, it might be necessary
to note the combination with the complete AMP board.
Refer to service manual supplement-1 for detail.
CAS-1
Ver. 1.1
16 17 18 19
CN653
11P
11 GND
JL662
R804
10 GND
100
JL663
DEBUG-TXD
9 RXD
DEBUG-RXD R805 100 JL664
8 TXD
R806 100 JL693
NSRST
7 NSRST
R807 100 JL694
TDO
6 TDO (NC)
R808 100 JL695
TCK
5 TCK
TMS R809 100 JL699
4 TMS
R810 100 JL700
TDI
3 TDI
R826 100 JL701
TRST
R851
2 TRST
22k
JL702
1 VCC3.3V
C737
0.1
CN654
10P
JL666
1 GND
R600
2 GND
0
BT-WAKEUP JL667
3 GPIO
R601 0
BT-RXD JL668 FFC1
4 UART_TX
R602 0 JL669
BT-TXD
BT1
5 UART_RX
R603 0 JL670 BLUETOOTH
BT-CTS
MODULE
6 UART_RTS
R604 0 JL671
BT-RTS
7 UART_CTS
JL672
R605
8 3.3V
0 JL673
BT-RESET
9 RESET_N
JL674
10 GND
C736 C764
0.1 47
C731 JL724
1
JL718
FB656
CN655
6P
JL675
1 VDD
JL676
NFC-SCL FFC2
2 SCL
JL677
JL726 3 GND NFC1
NFC-SDA JL678 NFC MODULE
4 SDA (RC-S730)
JL679
NFC-IRQ
5 IRQ
JL680
NFC-RF-DET
6 RFDET
CN657
15P
JL681
SIRCS
1 SIRCS_IN
JL682
LED-BT-NORMAL
2 LED-BT-NORMAL
LED-BT-DARK JL683
3
LED-BT-DARK
JL684
LEDDRV-LAT
4 LEDDRV-LAT
JL685
LEDDRV-SCK
5 LEDDRV-SCK
JL686
6 DGND
LEDDRV-SIN JL687 >03S
7 LEDDRV-SIN
LEDDRV-XOE JL688
8 LEDDRV-XOE LED
JL689
BOARD
9 D4.0V
CN101
JL690
(Page 53)
10 DGND
JL691
LED-BRIGHT
11 LED-BRIGHT
PWR-KEY JL692
12 POWER-KEY
JL703
FUNC-SW
13 FUNC-SW
JL704
LED-BT-STANDBY
LED-BT-STANDBY
14
JL705
VOLKNOB
15 VOLKNOB
>007S
VDD_3.3V_BT
VDD_1.2V_SYS
MAIN
DCDC_4V
BOARD
(5/5)
DGND
(Page 44)
AHP+7V
>008S
AREGGND
MAIN
AHP–7V
BOARD
AGND
(3/5)
R866 0
(Page 42)
R867 0
R868 0
ET651
R869 0
(CHASSIS)
ET650
(CHASSIS)