Sony BKM-142HD Maintenance Manual page 53

BHA Block
BHB Block
BHB
CN101(1/2)
TEST A16
ERF 1/2 B17
ERF 3/4 B18
AUD 1/2 A17
AUD 3/4 A18
Y0 A8
IC107
Y1 B8
HD SDI PLD
Y2 A9
Y3 B8 55 86 30
Y4 A10 59 IY20 YD0 92 32
. . .
IY10-19 YD0-9
Y5 B10 61 IY29 YD9 94 1
65 96 7
Y6 A11
Y7 B11
CLK1 134 9
Y8 A12
INCLK1 116
Y9 B12
C0 A2
97
C1 B2
99
.
C2 A3 PB0 21
43 101 PBD0-9
C3 B3 PB9 30
45 106
. .
IC20
C4 A4
IC10-19 47 109
IC29
C5 B4
52
.
C6 A5
54 110
C7 B5
PR0 115 1
.
C8 A6 PRD0-9
PR9 122 10
C9 B6
125
CLK B14 35 ICK2 31
HD A13 32 IHD2 32
33 IVD2 PBPR CLK 144 33
VD A14
34 IFD2
FRAME B13
H SYNC 138
142 HD OUT
V SYNC 139
74 HD IN
143 HD OUT
P0 66
73 HD IN
P1
68
149 HD OUT
P2 69
72 HD IN
P3 71
135 CLK2
36 INCLK2 DISPLAY 77
136
CLK3 10801035 150
5 INCLK3
137 CLK4
EEPROM
85 INCLK4
+DATA0 12 1 DATA
141 P HRESET
DCLK 1 2 DCLK
78 HRESET
CN102(1/2) NSTATUS 37 3 OE
H BLK1 18 76 H BLK P CONF-DONE 4 4 NCS
IC101
BOARD CONTROL
MOSI 17 14 MOSI 16
.
SYIF0
SCLK 15 11 SCLK 1 SYIF0-7
SYIF7
LOAD2 14 12 LOAD 7
10 RESET
IC101
BOARD CONTROL
14 MOSI AU1/2 7
11 SCLK IN1 5
12 LOAD
LOAD1 16
SYSTA0 15
SYSTA1 1
SYCS1 3
10 RESET
STRB 4
RESET 13
FS 30
64FS 29
+5V
D5V 1
2
D5V
-6.5V 5 -6.5V
-6.5V 6
1.2V SW
3
+6.5V
Q215
IC204,205
4
+6.5V Q204-206
BUFF
Q207,208
Q211,212
-2V SW
PWM
Q210
CONTROL
BUFF
Q209,210
Q213,214
5V REG
D201
BKM-120D/127W/129X/142HD
BHA, BHB
IC102(2/2)
32 AUCK
IC108 IC106
2CH 2CH
MULTIPLEXER MULTIPLEXER
6 CH0 COM 1 2 HZ COM 1 23 SAUD
7 CH1 6 CH0
5 SEL 7 CH1
5 SEL
IC201
Y D/A CONV
BUFF
D0 IO 24 7 DY
Q201
D9
V REF 19
CLK
IC202
PB/PR
D/A CONV
BUFF
B0 BO 46 11 DPB
Q203
B9
R0
BUFF
RO 42 9 DPR
Q202
R9
RCK
IC203
GCK
SHUNT
BCK V REF 19 +5V
REG
19 HP
21 VP
28 P0
27 P1
26 P2
25 P3
24
DISPLAY
22
1035
IC105 20 IN1
31 CRC
CN101(2/2)
B16 CRCC
A23 SYIF0
B23 SYIF1
A24 SYIF2
B24 SYIF3
A25 SYIF4
B25 SYIF5
A26 SYIF6
B26 SYIF7
A27 SYSTA0
B27 SYSTA1
A28 SYCS
B28 STB
A29 RESET
A21 FS
B21 64FS
A42 +5V
B42 +5V
A43 +5V
IC102 +3.3V
B43 +5V
+3.3V
A40 +3.3V
REG
B40 +3.3V
A41 +3.3V
IC103 -5V
B41 +3.3V
-5V
A48 -5V
REG
B48 -5V
A49 -5V
B49 -5V
A44 +1.2V
B44 +1.2V
A45 +1.2V
B45 +1.2V
A46 -2V
B46 -2V
A47 -2V
B47 -2V
BHA, BHB
BKM-142HD BKM-142HD
CN403
SDI IN1
CN404
SDI IN2
IC410
2CH
MULTIPLEXER
CN401(1/2)
RELAY
BUFF
IN1 15 5 SEL CH0 7 DRIVE
Q416
Q418
IC405
RELAY
BUFF
LOGIC
1 COM CH1 6 DRIVE
Q415
Q417
FL301 DL301
BUFF Y AMP BUFF BUFF
DY 28 LPF DL
Q308 Q309,311 Q304 Q306 Q303,305
FL302
BUFF Y AMP BUFF
DPB 24 LPF
Q314 Q316,317 Q315
FL303
BUFF Y AMP BUFF
DPR 26 LPF
Q322 Q325,328 Q323
HP 16
VP 14
IC406
IC407
CPU
BOARD
EEPROM
P0 7 48 P0
P1 8 47 P1 SI1 53 2 SO
P2 9 46 P2 ADST 50 1 CS
45 P3 5 SI
P3 10
6 SCK
11 5 DISPLAY
DISPLAY
1035 13 17 1035 IC403
CRC 4 15 CRC
17
BOARD
16 D/A CONV
P50 3 15
CN406(1/2) IC411
6 5
MISO B27 1 SO2
4
IC411
9 8
MOSI A28 2 SI2
10
IC411
12 11
SCLK 64 SCK2
B28
13
2 3
14
CH SLOT A31 INT
63 SLOT
RESET
RESET 19 RSTX
B26
Q412
SO1 52
SCK1 51
+6.5V
IC413
+5V
+6V A7 +5V-2 P21 31
REG
+6V B7
IC412 P20 32
Q413 Q403
-5V
-5V-2
-6V A6
REG P54 7
-6V B6
-6.5V OE 8
X0 22
D5V A29 +5V-3
X401
D5V B29
8MHz
X1 23
RELAY SW
P62 16 Q414
H BLK A25
6-3 6-3
BHA
CN405
RY101 MONITOR
OUT
TP301
IC301
Y OUT
Y GAIN CONT
CN406(2/2)
Y AMP BUFF BUFF BUFF
4 IN+ V 14 B12 Y/G OUT
Q302 Q310,313 Q307,312
5 IN- FB 11 11 B11 Y/G IN
GC
7
Y LEVEL
TP302
IC302
PB OUT
Y GAIN CONT
BUFF BUFF
4 IN+ V 14 B14 PB/B OUT
Q319,321 Q318,320
5 IN- FB 11 B13 PB/B IN
GC
7
PB LEVEL
TP303
IC303
PR OUT
Y GAIN CONT
BUFF BUFF
4 IN+ V 14 B16 PR/R OUT
Q326,329 Q324,327
5
IN- FB 11 B15 PR/R IN
GC
7
PR LEVEL
Y SW
Q301
TP402
IC408
H SYNC
BUFF
12
Q406,408 14 A21 H SYNC OUT
13
A20 H SYNC IN
11
TP401
IC408
V SYNC
BUFF
2
Q407,409
15 B21 V SYNC OUT
1
B20 V SYNC
10
IC408
IC409 IC409
1 4
3 6
5
2 5
4 B22 COMP SYNC OUT
3
A22 COMP SYNC IN
9
OE SW
Q410,411
A18 AUCK
B18 SAUD
4 A19 64FS
3 B19 FS
2
IC431 CN401(2/2)
5
5 6
5 FS
IC431
2 3
6 64FS
IC431
11 12
12 SAUD
13
IC431
8 9
3 AUCK
10
IC401,Q401
IC402
PULSE
PULSE
CONT 17 H BLK1
GEN
IC404
12 11
18 MOSI
13
IC404
9 8
20 SCLK
10
IC404
5 6
21 LOAD2
4
IC404
2 3
19 LOAD1
1
+6.5V 32 +6.5V
31 +6.5V
5V-3
-6.5V 30 -6.5V
29 -6.5V
5V
D5V 33 D5V
RY401 34 D5V
22 RESET
CN402
3 FAN
BHA Block
BHB Block