Sony MHC-V77DW Service Manual page 44

MHC-V77DW
6-13. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (6/11) -
1 2 3
A
BENTEN-MOTHERBOARD BOARD (6/11)
B
19
C
D
17
18
21
E
>037S
BENTEN-MOTHERBOARD
20
BOARD
(5/11)
(Page 43)
F
G
H
22
I
J
K
MHC-V77DW
• See page 36 for Waveforms.
4 5 6 7
JL6419
R6548
0
3.3 5
3 4
IC6410
MM3411A33URE
C6488 C6489
IC6410
1u 1u
+3.3V REG.
2 1
5
R6550
0
• See page 70 for IC Block Diagrams.
8 9 10 11
R6555
10k
R6556
10k
3.3 1.9 3.3 1.7 1.7 1.7 1.7
20 19 18 17 16 15 14 13 12 11
R6541
470
6
IC6409
5
C6491 R6542
PCM5101
2200p 10k
IC6409
D/A CONVERTER
C6492
R6540
2200p
10k
1 2 3 4 5 6 7 8 9 10
3.3 1.7 -1.6 -3.2 0 3.3 3.3
R6539
470
C6484
2.2u
C6494
0.1u
44 44
12 13 14 15
PCM5101_LRCK
PCM5101_MID/TW_DATA
PCM5101_BCK
PCM5101_MCLK
I_PWR_PROTECT
R6532 R6534 R6538
10k 10k 1k BENTEN-MOTHERBOARD
1
R6536
10k
I_FAN_DET
I_FAN-LOCK_PROTECT
I_DC_PROTECT
I_AMP_PROTECT
O_AMP_RST
R6533 R6535 R6537
O_AMP_CLK_PWM
10k 10k 10k
CN6404
17P
CL6430
R6551 0
17 E_VOL_CLK
CL6429
R6552 0
16 E_VOL_DATA
FAN_GND
15
CL6426
14 +13V
CL6425
FAN_GND
13
CL6424
12 +5V
CL6419
11 O_AMP_RST
CL6418
O_AMP_CLK_PWM
10
CL6417
9 I_PWR_PROTECT
CL6416
I_AMP_PROTECT
8
CL6413
7 I_DC_PROTECT
CL6412
6 I_FAN-LOCK_PROTECT
A_GND
5
CL6422
4 FR
CL6421
3 A_GND
2 FL
CL6423
1 A_GND
M+13V
BENTEN-MOTHERBOARD
M+5.2V
(MGND)
MGND
BENTEN-MOTHERBOARD
D+3.3V
16 17
>039S
BENTEN-MOTHERBOARD
BOARD
(7/11)
(Page 45)
>019S
BOARD
(2/11)
(Page 40)
2CH DAMP
BOARD
CN1001
>040S
BOARD
(10/11)
(Page 48)
>030S
BOARD
(10/11)
(Page 48)