Sony CAV-M1000ES Service Manual page 62

CAV-M1000ES
• IC Block Diagrams
– AMP BOARD –
IC100 uPC2581V-S
BIAS CIRCUIT
PROTECTOR
PRE
REG DRIVE
DRIVE
2 3 4 5 6
1 7
– AUDIO I/O BRD BOARD –
IC1800, 1900 TC9482F(EL)
VSS
1
NC 2
3
L-OUTA
1 dB
L-INA 4
VR
LATCH
8 dB
VR
LATCH
L-A-GNDA 5
L-OUTB 6
1 dB
L-INB 7
VR
LATCH
8 dB
VR
LATCH
L-A-GNDB
8
L-OUTC 9
1 dB
L-INC 10
VR
LATCH
8 dB
VR
LATCH
L-A-GNDC 11
SHIFT REGISTER (32 BIT)
CS1 12
GND 13
CK 14
CAV-M1000ES
PRE
DRIVE
DRIVE
8 9 10 11 12 13 14 15
28 VDD
27 TEST
26 R-OUTA
25 R-INA
24 R-A-GNDA
23 R-OUTB
3 TO 7
DECODER
22 R-INB
SAME AS L-CH
CIRCUIT
4 TO 13 21 R-A-GNDB
DECODER
20 R-OUTC
19 R-INC
18 R-A-GNDC
STROBE GENERATE
CIRCUIT
LEVEL SHIFT CIRCUIT 17 CS2
16 STB
15 DATA
– VIDEO I/O BRD BOARD –
IC2100 BU2152FS
32
1
IC2000, 2001, 2400, 2410, 2420 MJM2577M
62 62
31 30 29 28 27 26 25 24 23 22 21 20 19 18
CONTROLLER
LATCH
SHIFT
REGISTER
Q1-Q24
2 3 4 5 6 7 8 9 10 11 12 13 14 15
20 19 18 17 16 15 14
LP Filter
6dB
75Ω
6dB 6dB
LP Filter LP Filter
1 2 3 4 5 6 7
17
16
13 12 11
75Ω 75Ω 75Ω
6dB
LP Filter
8 9 10