Sony HDW-750 Maintenance Manual page 303

HDW-750 (J) : S/N 70001 and Higher
HDW-750 (UCJ) : S/N 10001 and Higher
Q406
2SJ187-TD
R402
100k
+5V-2
Q404
L401
10uH 2SD1624-T-TD
C401 R401
10uF
1k
GND-2
CN201 (25/45) 25 SS_L_LOADING_SLOW 3
GND
2
GND-2
Q401
DTC144EE-TL NJM431U-TE1
Q402
DTC144EE-TL
CN202 (10/46) 10
SS_CPU_MON
GND
SS
CN202 (12/46) 12 SS_CPU_ERR
GND
CN202 (11/46) 11 SS_LOG_LED
CN202 (9/46) 9 SS_TRCON_LED
CN201 (29/45)
29 MDC_EERPOM_DI
CN201 (28/45)
28 SS_EEPROM_DO
CN201 (32/45) 32
SS_EEPROM_CS
CN201 (30/45)
30 SS_EEPROM_SCK
CN201 (31/45)
31 MDC_EEPROM_BUSY
CN503 (16/45) 16 EQ_RECA/PBE_ENV
EQ,(MDR)
CN503 (17/45)
17 EQ_RECE/PBA_ENV
CN202 (2/46) 2 SS_MON_RX
CN202 (3/46)
3 SS_MON_TX
CN201 (16/45) 16
SS_RECA/PBA_SEL
CN201 (17/45) 17 SS_RECB/PBF_SEL
CN201 (18/45) 18 SS_RECC/PBG_SEL
SS
CN201 (19/45) 19 SS_RECD/PBH_SEL
CN201 (20/45) 20 SS_RECE/PBA_SEL
CN201 (21/45) 21
SS_RECF/PBB_SEL
CN201 (22/45) 22 SS_RECG/PBC_SEL
CN201 (23/45) 23 SS_RECH/PBD_SEL
CN202 (44/46) 44 SS_MDC_DA2
006-X1 PB_TC
006-L4 PB_CUE
SS
CN202 (43/46) 43 SS_CF_PLS
HDW-750 V2
A B
IC402
L402
LB1843V-TLM
1uH
C404
C402
L403 0.022uF
0.022uF
1uH
R405
C403
0.33 0.1uF
GND
5 4 6
R408 R409
100k 100k
VM2 VM1 VCC
2 13
OUT1-1 IN1
3
OUT1-2
18 14
OUT2-1 IN2
19
OUT2-2
15
DEL
12 17
RD LIR
R403
9
15k VREF
1
R406
P-GND1
220
20 11
P-GND2 S-GND
R407
1
1k
GND-2 GND
R415 R404
150k 33k
GND
GND-2 GND-2
GND
Q408
IC401
DTC144EE-TL
RB402 +3.3V
470
CPU 7 8
D401
CL-191YG-CD-T 5 6
3 4
1 2
Q403
ERR D402
DTC144EE-TL
CL-191HR-CD-T
Q405
LOG
D403
DTC144EE-TL
CL-191YG-CD-T
TRCON
Q407
D404
DTC144EE-TL
CL-191HR-CD-T
GND
+3.3V
IC403
AK6420AM-E2
GND 2 4 6 8
+3.3V
RB401
47k
C405
0.1uF
5
1 3 7
8
3 VCC 4
DI DO
1
CS
2
SK
6
RESET
7
RDY/BUSY
GND
5
GND
C
MDC-13 (4/6) MDC-13 (4/6)
(1/2) CN501
LOADING_DRIVE1 1
(2/2) CN501
LOADING_DRIVE2 2
Q409
DTC144EE-TL
SS_LOADING_CONT1 27 (27/45) CN201
GND
Q410
DTC144EE-TL
(26/45)
SS_LOADING_CONT2 26
+2.5V-2
GND
C406
0.1uF
(8/46) CN202
MDC_TRCON_VR 8
RV401
100k
GND
S401
(15/46) CN202
MDC_LOG_SW 15
S402
MDC_TRCON_SW 13 (13/46) CN202
S403
2 1
(7/46) CN202
MDC_DIAG_SW0 7
4 3
MDC_DIAG_SW1 6 (6/46) CN202
6 5
(5/46) CN202
MDC_DIAG_SW2 5
8 7
(4/46) CN202
MDC_DIAG_SW3 4
+3.3V
GND
(3/4) CN901
3
VCC
C407
0.1uF
(4/4) CN901
GND 4
GND
IC303
(1/4)
NJM2901V(TE2)
+5V
R410 R414
4.7k R413 1k
47k
R411
470
7
IN+
1
R416
RECA_PLS 005-H4
10k
6 IN-
R417
R412
10k
330
GND
EQ_RECE/PBA_ENV 24 (24/45) CN201
RXD 2 (2/4) CN901
TXD 1 (1/4) CN901
7 (7/45) CN503
SS_RECA/PBE_SEL
(8/45) CN503
SS_RECB/PBF_SEL 8
SS_RECC/PBG_SEL 9 (9/45) CN503
(10/45) CN503
SS_RECD/PBH_SEL 10
SS_RECE/PBA_SEL 11 (11/45) CN503
(12/45) CN503
SS_RECF/PBB_SEL 12
SS_RECG/PBC_SEL 13 (13/45) CN503
SS_RECH/PBD_SEL 14 (14/45) CN503
(1/8) CN903
L_REC_HEAD_PB 1
(2/8) CN903
DA_TEST_OUT 2
(3/8) CN903
RECA_ENABLE 3
(4/8) CN903
PB_TC 4
(5/8) CN903
PB_CUE 5
(6/8) CN903
SERVO_REF_CF 6
(7/8) CN903
RECA_PB_ENV 7
IC206
(2/2)
(8/8) CN903
NJM2904V(TE2)
GND 8
+5V C225
0.1uF
GND
3 8
GND
+
1
2
-
4
GND
4-89 4-89
D E
L_MOTOR
CN201
SS
MONITOR
SS
MONITOR
(MDR),EQ
CN903 (TEST)
MDC-13 (4/6)
BOARD NO. 1-678-737-12, 13
LOT NO. 083-
HDW-750_MDC-13_015_4
F G
1
2
3
4
5
H