Sony BKM-142HD Maintenance Manual page 51

Section 6
Block Diagrams
BX Block
BX
TB001
ANALOG I/O
Y/G
PB/B
PR/P
SYNC
IC502
CN001(1/2)
3 2
MISO B27
1
IC502
12 11
MOSI A28
13
IC502
9 8
SCLK B28
10
IC502
5 6
SLOT1 ID A31
4
TO MONITOR
RESET SW
RESET B26
Q501
IC010
5V
+6V A7 +5V
REG
+6V B7
IC050
-5V
-6V A6 -5V
REG
-6V B6
STBY 5V A29 5V-2
STBY 5V B29
BKM-120D/127W/129X/142HD
TP101
Y/G BUFF
B12
Q101,103
B11
Q102
+5V
TP201
PB/B BUFF
B14
Q201,203
B13
Q202
+5V
TP301
PR/R BUFF
B16
Q301,303
B15
Q302
+5V
TP401
SYNC BUFF
B22
Q401,403
A22
IC501
SUB CPU
Q402
1
SO2 BX OE 48
Q404 A21
EXT SYNC OE 47 B21
2
SI2 B20
IC503
A20
EEPROM
64 SCLK2 SI1 53 2 SO
SO1 52 5 SI
14 INT0 SCLK1 51 6 SCK
EECS 50 1 CS0
63 SLOT ID
19 RSTX
X1 23
X501
8MHz
X0 22
BX BX
BKM-129X BKM-129X
CN001(2/2)
Y/G OUT
Y/G IN
PB/B OUT
PB/B IN
PR/R OUT TO MONITOR
PR/R IN
CS OUT
CS IN
HS OUT
VS OUT
VS IN
HS IN
6-1 6-1
BX Block