Sony HDW-750 Maintenance Manual page 343

IC814 (1/9) IC815 (8/9)
TC74VHCT541AFT(EL) SN74LV245APWR
2 18 2 18
A Y A B
1 1
G1 DIR
19 19
G2 OE
GND-2
GND-2
IC814 (9/9) IC830 (2/2) IC831 (2/2) IC815 (1/9)
IC815 (9/9)
TC74VHCT541AFT(EL) TC7SET08FU(TE85R) TC7SET08FU(TE85R) SN74LV245APWR
SN74LV245APWR
+5V-2 +3V +5V-2 +5V-2
3 17
VCC C840 VCC C839 VCC VCC
GND-2
0.1uF 0.1uF
GND GND GND GND
GND-2 GND-2
GND-2 GND-2
HDW-750 V2
I J
D1-D7
IC843
+3V
C1002
TC7SH32FU-TE85R
0.1uF
14
VCC GND-2
4
+3V C1003
1PR
0.1uF
1 2 5
R1015
1D 1Q
5
1k 2 GND-2 3
2
4 1CK
1 1 6 IC842
3
1CLR 1Q
10 TC74VHC74FT(EL)
4 3
2PR
12 9
5 2
GND-2
2D 2Q
6 11
2CK
7 13 8
2CLR 2Q
8 GND
7
9
10
GND-2
11
+3V
CN106 (43/45)
NC 43
CN106 (42/45)
NC 42
NC 41 CN106 (41/45)
R864
1k
AXM_L_CH1_LINE 45 CN106 (45/45)
(CNB),AXM
AXM_L_CH2_LINE 44 CN106 (44/45)
R995
1k
R1011 S814
(4/4)
0
GND-2 GND-2
+5V-2
IC815 (2/9) IC814 (4/9)
SN74LV245APWR TC74VHCT541AFT(EL)
5 15
4 16
6 14
7 13
IC814 (6/9) IC814 (5/9)
TC74VHCT541AFT(EL) TC74VHCT541AFT(EL)
8 12
9 11
IC814 (8/9) IC814 (7/9)
TC74VHCT541AFT(EL) TC74VHCT541AFT(EL)
+3V
R932
220k
S805
DISPLAY HOLD
R938
+3V 220k
R924
S801
220k
DISPLAY 1
CTL 2 3
TC
4
DATA
R925 5 6
220k
R926
S802
220k
FREE RUN
1
+3V
SET
2 3
REC RUN 4
R927 R933
220k 220k
5 6
R928
220k
DATA DISPLAY
S803
U-BIT
1
R934
SHOT TIME 2 3
220k
GND-2
SHOT No. 4
R929
220k
5 6
+3V
R936
R930 220k
220k R937
1k
S804
PRESET 1
REGENE
R931 2 3
220k
CLOCK
4
5 6
GND-2
IC815 (5/9) IC815 (6/9) IC815 (7/9)
SN74LV245APWR SN74LV245APWR SN74LV245APWR
7 13 8 12 9 11
GND-2 GND-2 GND-2
K
FP-121 (6/6) FP-121 (6/6)
A1
IC817
+3V 1
MAX3222CAP-TE2
2
19
13 VCC 17 R941 100 1
T1IN T1OUT
1
12 8 R942 100 2 3
T2IN T2OUT
4
15 16 1k 3
R943 5
R1OUT R1IN
2 10 9 1k
R944 4 6
R2OUT R2IN
7
C834
1uF
1 3 8
EN V+
C832 2 7 C837 9
0.1uF C1+ V-
4.7uF
4
C835 10
C1- 1uF
5
C833 11
C2+ GND-2 GND-2
0.1uF
6 20
C2- SHDN
GND
R939
IC830 (1/2)
220k
18 TC7SET08FU(TE85R)
GND-2 +5V-2
GND-2
2
4
1
+5V-2
2
4
1
C836
S810
+5V-2 0.022uF +12V-2 IC831 (1/2)
2
TC7SET08FU(TE85R)
+5.3V 1
3
G1
ND801
4 5 C838
0.1uF
R940
GND-2 GND-2
220k 3
DATA1
4
CS
5
BUSY
6
C/D
7
RESET D1
2
CLOCK1 D2
D3
14
DATA2 IC820 IC832 D4
12
TC74VHCT574AFT(EL)
LOAD TC74VHCT574AFT(EL) D5
9
BLANK D6
+5V-2 +5V-2
13
CLOCK2 D7
20 20 D8
2 19 2 19
D1 VCC VCC
D1 Q1 D1 Q1
D2 3 18 3 18
D2 Q2 D2 Q2
D3 4 17 4 17
D3 Q3 D3 Q3
GND-2
5 16 5 16
D4
D4 Q4 D4 Q4
+5V-2
6 15 6 15
D5
D5 Q5 D5 Q5
7 14 7 14
D6
D6 Q6 D6 Q6
R981
8 13 8 13
D7 220k
D7 Q7 D7 Q7
D8 9 12 9 12
D8 Q8 D8 Q8
D1
11 11
CLK CLK
1 1 D2
OC OC
GND GND D3
10 10 D4
D5
+3V GND-2 GND-2 GND-2
D6
D7
D8
Q820
+5V-2
DTA144EE-TL
S806
14
RESET
+5V
IC815
R1007
220k (4/9)
15
GND-2
IC815 (3/9)
SN74LV245APWR
D1
D2
D3
S807
D4
SHIFT
D5
D6
D7
D8
S808
ADVANCE
D1
D2
(CNB),AXM
AXM_L_XLR_OUT_DET 27 CN107 (27/45)
D3
D4
D5
D6
D7
D8
D1
D2
D3
D4
D5
D6
D7
D8
4-129 4-129
L M
B1
2
4
3
1
R948 22
R949 22
RB813
100
2 1
4 3
6 5
8 7
RB811 (1/4) 1k
2 1
R955 100
+3V
IC819 (2/3)
TC74HC4053AFT(EL)
R956 R957 R959 R961 R963 R964
220k 220k 220k 220k 220k 220k
IC819
(1/3)
TC74HC4053AFT(EL) 15 2
COM 0
1
+3V
1
10
SEL
16
IC819 (3/3)
14 VCC 12
TC74HC4053AFT(EL)
COM 0 006 SS_L_FP_CPU_RST
13
1
11 4 5
SEL COM 0
6 3
INH 1
VEE GND 9
SEL
7 8
GND-2
+5V-2
IC821
20
TC74VHCT574AFT(EL)
2 VCC 19
D1 Q1
3 18
D2 Q2
4 17
D3 Q3
5 16
D4 Q4
6 15
D5 Q5
7 14
D6 Q6
8 13
D7 Q7
9 12
D8 Q8
11
CLK
1
OC
GND
10
GND-2
+3V
IC822
20
TC74LCX574FT(EL)
2 VCC 19
D1 Q1
3 18
D2 Q2
4 17
D3 Q3
5 16
D4 Q4
6 15
D5 Q5
7 14
Q6
D6
8 13
D7 Q7 Q808
9 12
DTC144EE-TL
D8 Q8
11
CLK
1
6 OC
GND Q807
DTC144EE-TL
10
SN74LV245APWR
GND-2
5
Q806
+5V-2
DTC144EE-TL
IC823
20
TC74VHCT574AFT(EL)
2 VCC 19 GND
D1 Q1
3 18
D2 Q2
4 17
D3 Q3
5 16
D4 Q4
6 15
D5 Q5
7 14
D6 Q6
8 13
D7 Q7
9 12
D8 Q8
11
CLK
1
OC
GND
10
GND-2
+5V-2
20 IC824 TC74VHCT574AFT(EL)
TC74VHCT574AFT(EL)
2 VCC 19
D1 Q1 L_A/D_PD12CH_ON 002
3 18
D2 Q2 L_A/D_PD34CH_ON 003
4 17
D3 Q3 L_DA_AMP_ON 004
5 16
D1
D4 Q4 FP_L_AUIN_ON 30 CN107 (30/45) CNB 2
6 15 D1
D5 Q5 H_DE_EMPHASIS_OFF 004 D2 3
7 14 D2
D6 Q6 L_DE_EMPHASIS_OFF 004 D3 4
8 13 D3
D7 Q7 D4
L_AUDIO_MUTE 004,005 5
9 12 D4
D5
D8 Q8 L_LPREC_CUE/H_DA12_CUE004 6
11 D5
D6
CLK 7
1 D6
D7
OC 8
GND D7
D8
9
10 D8
11
CLK
GND-2 1
OC
+5V-2
IC825
20
TC74VHCT574AFT(EL)
2 VCC 19
D1 Q1 L_0DB/H_4DB 004
3 18
D2 Q2 L_-3DB/H_4DB 004
4 17
D3 Q3 L_DA/H_EE_SEL5 004
5 16 R945 100
D4 Q4 CA/AD_IN_SEL_A 46 CN201 (46/50)
6 15 100 APR
R946
Q5 47 CN201 (47/50)
D5 CA/AD_IN_SEL_B
7 14
D6 Q6 H_CH3/4_LIM_ON 003
8 13
D7 Q7 L_D/A_PD_ON 004
9 12
CN107 (31/45)
D8 Q8 FP_L_AUOUT_ON 31 CNB
11
R947
CLK FP_L_AUOUT_ON 004
100
1
OC
GND
10
GND-2
N O
CN107 (37/45)
NC 37
NC 41 CN107 (41/45)
WRR_DI
WRR_DI 34 CN107 (34/45) 1
WRR_DO
WRR_DO 33 CN107 (33/45)
WRR
WRR_CLK
CN107 (36/45)
FP_WRR_CS 36
FP_WRR_CS
WRR_CLK 35 CN107 (35/45)
+3V
+3V 3 CN208 (3/5)
TX_D0 1 CN208 (1/5)
TX_D0 2 CN208 (2/5) JIG
4 CN208 (4/5)
GND
CN208 (5/5)
5 6
GND-2
SS_PS1_RDY 5 CN107 (5/45)
SS_PS1_CK 4 CN107 (4/45)
SS_PS1_CMD 3 CN107 (3/45)
6 CN107 (6/45)
SS_PS1_RES
CN107 (7/45) SS
SS_PS1_FP_CS 7
CN201 (50/50)
AP5_DATA_CLK 50
AP5_DATA_OUT 48 CN201 (48/50)
AP5_DATA_IN 49 CN201 (49/50)
AP5_DATA_PLS 45 CN201 (45/50)
SS_PS1_AP5_CS 8 CN107 (8/45)
R1012 0
IFA_L_VTR_S/S 1 CN105 (1/45) (IFA),SW
R996 0
SS_FP_JP0 11 CN107 (11/45)
R998 100
2
CN107 (10/45) SS
SS_L_FP_CPU_RST 10
R997 0
CN107 (12/45)
SS_FP_JP1 12
ANALOG_CH1_SEL_A 001
ANALOG_CH1_SEL_B 001
ANALOG_CH2_SEL_A 001
ANALOG_CH2_SEL_B 001
ANALOG_CH3_SEL_A 001
ANALOG_CH3_SEL_B 001
ANALOG_CH4_SEL_A 001
ANALOG_CH4_SEL_B
001
L_CUE_DA_RESET 004
3
AU_SW_STATU_SEL_A 001
AU_SW_STATU_SEL_B 001
H_SEARCH_CUE_ON 004
L_PB/HREC_SEL3 13 CN201 (13/50)
APR
L_AP5_RESET 37 CN201 (37/50)
L_REF16DB/H_OFF 002,003,004
L_REF18DB/H_OFF 002,003,004
CN105 (41/45) IFA
IFA_FMIC_CONTGND 41
CH1_VR_SEL_A 001
CH1_VR_SEL_B 001
CH2_VR_SEL_A 001
CH2_VR_SEL_B 001
WRR_L_WR1/H_WR2 001
L_REC_EMPHA_ON 002,003,004
L_AGCAMP12CH_ON 002
L_AGCAMP34CH_ON 003
4
IC826
+5V-2
20
VCC 19
Q1 L_CH1_ATTON/H_OFF 002
18
Q2 L_CH2_ATTON/H_OFF 002
17
Q3 L_CH3_ATTON/H_OFF 003
16
Q4 L_CH4_ATTON/H_OFF 003
15
CN105 (5/45) IFA
Q5 FP_H_PHANTOM_OFF 5
14
Q6 L_FF/FWD_ATT_ON 004
13
Q7 L_SEARCH_ATT_ON 004
12
Q8 NC 2 CN105 (2/45)
NC 3 CN105 (3/45)
NC 4 CN105 (4/45)
Q818
GND
DTC144EE-TL
10
L_MON12/H_MON34 004
GND-2
GND
5
FP-121 (6/6)
BOARD NO. 1-678-732-12, 13
LOT NO. 083-
HDW-750_FP-121_015_6
P