Sony KP-FS57M31 Service Manual page 116

• B4(4/6) BOARD IC901 : CXD2309
1
(LSB) R0
4LSB'S
2 CURRENT
R1
CELLS
3
R2
R3 4
R4 5
6LSB'S
LATCHES
CURRENT
R5 6 DECODER
CELLS
7
R6
8
R7
R8 9 DECODER
CLOCK
GENERATOR
(MSB) R9 10
RCK 31
(LSB) G0 11
4LSB'S
G1 12 CURRENT
CELLS
G2 13
G3 14
G4 15
6LSB'S
LATCHES
CURRENT
G5 16 DECODER
CELLS
G6 17
G7 18
DECODER
G8 19
CLOCK
GENERATOR
(MSB) G9 20
GCK 32
21
(LSB) B0
4LSB'S
CURRENT
22
B1
CELLS
23
B2
B3 24
25
B4
6LSB'S
LATCHES
CURRENT
26 DECODER
B5
CELLS
B6 27
28
B7
DECODER
B8 29
CLOCK
GENERATOR
30
(MSB) B9
33
BCK
DV 48
DD BIAS VOLTAGE CURRENT CELLS
GENERATOR (FOR FULL SCALE)
35
VB
DV 34
SS
• B4(4/6) BOARD IC903 : MC24C32-WMN6T(A)
VCC
8
3
E0
1
SDA
E1 7
|
E2 3
32 k BIT
6 EEPROM
SCL
5
WC
4
VSS
• CR BOARD IC9101 : TDA6120Q/N2/S1
CG BOARD IC9201 : TDA6120Q/N2/S1
CB BOARD IC9301 : TDA6120Q/N2/S1
43
AV SS
42 RO
VCC 6
MIRROR
1x
IN OUT
VIN 2
45
AV SS
44 GO
1 3
RC- RC+
• D(1/3) BOARD IC8010 : PQ05RD1B
V 1
IN
SPECIFIC IC
47 AV
SS
46 BO
GND
41 AV
DD
40 AV
DD
• E BOARD IC4301 : LF50CDT-TR
39 AV
DD
V 1
IN
38
VG
37
VREF
36
IREF
DUMP
PROTECTION
GND 2
• G BOARD IC6501 : BA05FP
REFFERENCE
1
VCC
VOLTAGE
GND 2
– 174–
I IN
13
10 VDD
MIRROR
CASCODE
4x
IN OUT
1x 12 OUTC
1x 13 OUT
7 OUTM
OUT 1x OUT 4x
IN
CASCODE
CURRENT
INPUT
J 5mA
4 8
VIN+ GND
2 V
O
4 V
C
3
3 V
OUT
CURRENT
LIMIT
START REFERENCE
INHIBIT VOLTAGE
ERROR
DRIVER
AMPLIFIER
TEAW.PROTEC.
3 OUT
KP-FS57M31/M61/M90/M91
• J(1/5) BOARD IC8302 : CXA2069Q
TV
63
V1 1
V2
8
6dB
V3 15
V4 22
30
V5
6dB
V6 60
6dB
3
Y1
6dB
10
Y2
17
Y3
24
Y4
6dB
6dB
C1 5
6dB
12
C2
19
C3
C4 26
6dB
6dB
BIAS
6dB
LTV
62
LV1
2
LV2 9
0dB
LV3
16
6dB
LV4
23
LV5
29
LV6
59
0dB
RTV
64
RV1
4
RV2 11
RV3 6dB
18
RV4
25
RV5 31
RV6
61
6dB
6dB
6dB
– 175–
RM-997
53
VOUT1
49
YIN1
56
YOUT1
55
TRAP1
58
COUT1
51 CIN1
44
V/YOUT2
46
TRAP2
COUT2
47
41
VOUT3
YOUT3
39
37 COUT3
57 VGND
BIAS
50
V
42 CC
35
AGND
52
LOUT1
54
ROUT1
43 LOUT2
ROUT2
45
38
LOUT3
40
ROUT3
36
DC OUT
33
SCL
34
SDA
32
ADR
7 S-1
14 S-2
Logic 21
S-3
28 S-4
6 S2-1
13 S2-2
S2-3
20
27 S2-4
48 MUTE