Sony KP-53XBR300 Service Manual page 66

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A(1/4) BOARD : IC507 LA7856
20 19 18 17 16
Vert. Osc. Vert. Ramp Generator 15 V OUT
14 GND
Phase Saw Tooth Xray
H IN 1 AFC Hor. Osc.
Shifter Generator Protector
2 3 4 5 6 7 8 9 10 11 12 13
A(1/4) BOARD : IC517, 519
A(1/4) BOARD : IC508
TC74HC4538AF (EL)
TC74HC74AF (EL)
2 T1 T2
Vcc CLR 2D 2CK 2PR 2Q 2Q
1 2
14 13 12 11 10 9 8
PR
D Q
T1 T2
CK Q
A IN 4 Q 6 Q
CLR A
B Q
B IN 5 7 Q
CD
CLR
CK Q
D Q CD 3 8 VSS
PR
CD 13
16 VDD
1 2 3 4 5 6 7 CD
1 1D 1CK 1PR 1Q 1Q GND B IN 11 Q 9 Q
B
CLR
A Q
A IN 12 10 Q
T2 T1
A(1/4) BOARD : IC509 MC74HC4052EL
14 15
X CH IN/OUT
T2 T1
VDD 3 2 1 0
16 11 15 14 12
TG
TG
TG
TG 13 COMMON X OUT/IN
A 10 TG 3 COMMON Y OUT/IN
BINARY
TO
LOGIC
B 9 LEVEL 1OF4 TG
DECODER
CONVERSION
WITH
INHIBIT
INH 6 TG
TG
8 7 1 5 2 4
VSS VEE 0 1 2 3
Y CH IN/OUT
A(1/4) BOARD : IC515 CXA1845AQ
TV 63
6dB
V1 1
53 V OUT1
V2 7
V3 13 49 Y IN1
V4 19
6dB
56 Y OUT1
V5 25
V6 60 0dB
55 TRAP1
0dB
51 C IN1
6dB
58 C OUT1
6dB
42 V OUT2
38 Y IN2
Y1 3
Y2 9 6dB
45 Y OUT2
Y3 15
Y4 21 0dB
27 44 TRAP2
Y5
0dB 40 C IN2
47 C OUT2
6dB
6dB
35 V OUT3
C1 5
C2 11
C3 17
C4 23 6dB
C5 29
57 V GND
39 Vcc
6dB 37 A GND
BIAS 50 BIAS
6dB
LTV 62
LV1 2
0dB 52 L OUT1
LV2 8
LV3 14
48 GAIN
LV4 20
6dB
LV5 26
LV6 59
0dB 54 R OUT1
6dB
41 L OUT2
43 R OUT2
34 L OUT3
RTV 64 6dB 36 R OUT3
RV1 4
31 SCL
RV2 10
32 SDR
RV3 16 33 ADR
RV4 22 6 S1
6dB
RV5 28 Logic 12 S2
RV6 61 18 S3
24 S4
30 S5
6dB
46 MUTE
A(1/4) BOARD : IC512 CXD2018Q
16 18 8 7 6 5 4 30 28 27 26 43 42 41 39
TO
17
OTHER
9 BLOCKS
COMP LPF VCO
IIC BUS 45
DECODER ADC
TO
CLOCK CDP 44
34 DIVIDER DSP
3
2
CONT DOWN
PROCESSOR
DIGITAL SIGNAL
22 I-ADDRESS I-ADDRESS
JUMP PROCESSOR
GENERATOR GENERATOR 1
LPF 48
29 47
ROM RAM I-ROM RAM ROM I-ROM
46
31
32
I-DECODER MULTIPLITER R-REG I-DECODER
33
15
ALU V S1
ALU
35
14
13
D S2 DAC LPF
12
ACC2
11
ACC1
E S3
10
ACC1
F
37 38 19 36 20 21 23 24 25 48
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