Sony STR-DA1000ES Service Manual page 59

IC401, 501, 601, 651 CXD9275M (MAIN Board)
TRIM VOLUME
VSS 1
0-+24dB/
1dB STEP
TRIM 2
5 to 25 DECODER
LATCH CIRCUIT
TRIM 3
TRIM 4
OUT 5
MAIN
VOLUME
0- –95dB/
0.5dB STEP
VRGND 6
4 to 13 DECODER
LATCH CIRCUIT
NC 7
4 to 16 DECODER
VRIN 8 LATCH CIRCUIT
NC 9
CS1 10
GND 11
CLK 12
IC1001 µPD16315GB-3BS (DISPLAY Board)
LED1 1
LED2 2
LED3 3
LED4 4
OSC 5 OSC
DOUT 6
DIN 7
SERIAL
INTERFACE
8
CLK
STB 9
KEY1 10
KEY2 11
TRIM VOLUME
0-+24dB/
1dB STEP
5 to 25 DECODER
& &
LATCH CIRCUIT
4 to 13 DECODER
& &
LATCH CIRCUIT
4 to 16 DECODER
& &
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
44 43
4-BIT LATCH
12-BIT SHIFT
REGISTER
KEY DATA MEMORY
(2 x 16 BITS)
TIMING GENERATOR
KEY SCAN
DISPLAY MEMORY 24-BIT OUTPUT
24 BITS x 12 WORDS LATCH
COMMAND DIMMING
DECODER CIRCUIT
12 13
IC852 LA7213 (S-VIDEO Board (STR-DA1000ES))
SYNC
SEP
24 VDD
1 2 3
23 TRIM
22 TRIM
21 TRIM
20 OUT
MAIN
VOLUME
0- –95dB/
0.5dB STEP
19 VRGND
18 NC
17 VRIN
16 NC
15 CS2
14 LAT
13 DATA
42 41
40 39
12 4
DRIVER
8
8
MULTIPLEXED
DATA
SELECTOR DRIVER
8
24 16
SEGMENT
DRIVER
14 15 16 17
STR-DA1000ES/DB790
V-SYNC
SEP
4 5
38 37 36
35 34
4
GRID
33 SEG19/GRID10
32 SEG18/GRID11
31 SEG17/GRID12
8
30 VEE
29 SEG16/KS16
28 SEG15/KS15
27 SEG14/KS14
16
26 SEG13/KS13
25 SEG12/KS12
24 SEG11/KS11
23 SEG10/KS10
18 19 20 21 22
59