Sony STR-KG800 Service Manual page 51

QQ
3 7 63 1515 0
IC220 NJM2586AM
CH1 IN1 1
SW1 2
BIAS
CH1 IN2 3
SW2 4
BIAS
CH1 IN3 5
GND 6
BIAS
V+1 7
CH2 IN1 8
GND 9
BIAS
CH2 IN2 10
GND 11
BIAS
CH2 IN3 12
BIAS
TE
L 13942296513
– DISPLAY Board –
IC100 PT6315
LED1 1
LED2 2
LED3 3
LED4 4
OSC
OSC 5
DOUT 6
DIN 7
SERIAL
INTERFACE
CLK 8
STB 9
KEY1 10
KEY2 11
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6dB 75
AMP DRIVER
CONT1
CONT2
6dB 75
AMP DRIVER
CONT1
6dB 75
AMP DRIVER
CONT1
CONT2
BIAS
CONT2
BIAS
BIAS
4-BIT LATCH
KEY DATA MEMORY
(2 x 16 BITS)
TIMING GENERATOR
KEY SCAN
DISPLAY MEMORY
24 BITS x 12 WORDS
COMMAND
DECODER
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8
24 CH1 OUT
23 PS
22 CH2 OUT
21 V+2
20 CH3 OUT
19 GND
18 V–2
17 CH3 IN1
16 V–1
15 CH3 IN2
14 GND
13 CH3 IN3
Q Q
3 6 7 1 3
44 43 42 41 40 39
12 4
12-BIT SHIFT
REGISTER
8
8
DATA
SELECTOR
8
24 16
24-BIT OUTPUT
LATCH
DIMMING
CIRCUIT
13 15
12 14
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
38 37 36 35 34
4
GRID
DRIVER
33 SEG19/GRID10
32 SEG18/GRID11
31 SEG17/GRID12
8
MULTIPLEXED
30 VEE
DRIVER
29 SEG16/KS16
28 SEG15/KS15
27 SEG14/KS14
16
SEGMENT
DRIVER
26 SEG13/KS13
25 SEG12/KS12
24 SEG11/KS11
23 SEG10/KS10
16 17 18 19 20 21 22
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STR-KG800
9 9
2 8 9 9
51