Block Diagram; Overall - Sony BKNW-116 Maintenance Manual

Block Diagram

L;HDD1 OK
12-8
SCSI L;HDD2 OK
12-20
UNIT1 WARMUP CUR
UNIT1
12-21
H;UNIT1 WARMUP ON1
12-23
ERR, WUP H;UNIT1 WARMUP ON2
12-12
HDD ID2 HDD ID2 BUSY H;WARMUP
12-7
H;WARMUP
12-19
HDD ID3 HDD ID3 BUSY H;ERR
12-6
UNIT1 H;ERR
12-18
SE-378 L;UNIT1 LOW TEMP1
12-22
L;UNIT1 LOW TEMP2
12-11
L;HDD1 BUSY
12-5
L;HDD2 BUSY
12-17
L;HDD3 OK
22-8
L;HDD4 OK
22-21
UNIT2
UNIT2 WARMUP CUR
22-22
H;UNIT2 WARMUP ON1
22-24
H;UNIT2 WARMUP ON2
HDD ID4 HDD ID4 BUSY 22-12
H;WARMUP
22-7
H;WARMUP
HDD ID5 HDD ID5 BUSY 22-20
H;ERR
UNIT2 22-6
H;ERR
SE-378 22-19
L;UNIT2 LOW TEMP1
22-23
L;UNIT2 LOW TEMP2
22-11
L;HDD3 BUSY
22-5
L;HDD4 BUSY
22-18
L;HDD5 OK
32-8
L;HDD6 OK
32-22
UNIT3
H;WARMUP
32-7
H;WARMUP
32-21
UNIT3 WARMUP CUR
HDD ID6 HDD ID6 BUSY 32-23
H;UNIT3 WARMUP ON1
32-25
H;UNIT3 WARMUP ON2
HDD ID7 HDD ID7 BUSY 32-12
H;ERR
UNIT3 32-6
H;ERR
SE-378 32-20
L;UNIT3 LOW TEMP1
32-24
L;UNIT3 LOW TEMP2
32-11
L;HDD5 BUSY
32-5
L;HDD6 BUSY
32-19
L;HDD7 OK
42-8
L;HDD8 OK
42-23
UNIT4
H;WARMUP
42-7
H;WARMUP
42-22
UNIT4 WARMUP CUR
HDD ID8 HDD ID8 BUSY 42-24
H;UNIT4 WARMUP ON1
42-26
H;UNIT4 WARMUP ON2
HDD ID9 HDD ID9 BUSY 42-12
H;ERR
UNIT4 42-6
H;ERR
SE-378 42-21
L;UNIT4 LOW TEMP1
42-25
L;UNIT4 LOW TEMP2
SCSI 42-11
L;HDD7 BUSY
42-5
L;HDD8 BUSY
42-20
SCSI BUS
L;HDD1 BUSY
2-5
L;HDD2 BUSY
ERR 2-6
POWER L;HDD3 BUSY
2-7
L;HDD4 BUSY
2-8
BUSY L;HDD5 BUSY
FP-104
WARMING UP 2-9
L;HDD6 BUSY
2-10
WARMING
L;HDD7 BUSY
UP 2-11
L;HDD8 BUSY
HDD BUSY 2-12
ALARM H;DISP ERR
2-3
H;HUP
2-4
BKNW-116
Block Diagram
Section 5
L:LOW POWER
L:RESET
IC100 IC100
3 1 5 7
BUF COMP
L:WUP
IC102,105
WARMUP
CONT
L:TEMP TEST
L:LOW POWER
L:RESET
IC200
5 7
COMP
L:WUP
IC202,205
WARMUP
CONT
L:TEMP TEST
L:LOW POWER
L:RESET
2 IC14 IC300 IC300
15 3 1 5 7
BUF COMP
Q16 IC13
WARMUP
3 1 1 10
OFF BUF
CONT IC302
3 5
L:TEMP TEST
L:LOW POWER
L:RESET
5 9 IC400 IC400
3 1 5 7
BUF COMP
Q15 IC13
WARMUP
5 7 IC14
OFF BUF
IC402
CONT
3 5
L:TEMP TEST
IC3 IC2,3
1
WERR 3
2 DELAY L:WUP DELAY
FERR
L:LOW POWER

Overall

Overall
Block Diagram
5V
8
IC101
S3
WARMUP
1 6 UNIT CHECK
ERROR
IC103
DET
1
4
2
IC101 13
8 WARMUP 12
CONT
9 IC203
IC102,104 1
4
TEMP
2
OK
DET
10 PULSE
FERR
IC201
Q100
1 WARMUP 6
Q200
ERROR WERR
DET Q300 Q10
Q400
IC4
WARMUP
IC201 13 3
ERROR WERR
8 12 L:HDD1-8 OK
WARMUP DET
CONT
9
IC202,204 L:RESET
TEMP
OK
DET
ALL OK
DETECT
H:WARMUP TO
Q101,201
Q301,401
IC301 IC303
WARMUP
1 6 1 4 H:ALL OK
INF
ERROR
CONT
DET
CAPACITY
IC301 13 Q303 CONT
UNIT 3
8 12 FACTORY
WARMUP
OFF
CONT
CONT
9
IC302,304
TEMP
OK
DET
IC401 IC403
WARMUP
1 6 1 INF 4
ERROR
CONT
DET
IC401 13 Q403
UNIT 4
8 WARMUP 12
OFF
CONT
CONT
9
IC402,404
TEMP
OK
DET
5-1 5-1
D14 D403 D303 D203 D103
WARMUP TIME OVER U4 INF U3 INF U2 INF U1 INF
LED LED LED LED LED
DRIVE DRIVE DRIVE DRIVE DRIVE
Q14 Q402 Q302 Q202 Q102
H;U1 INF
H;U2 INF
H;U3 INF
H;U4 INF
H;U3 WARMUP ON
H;U4 WARMUP ON
H;WARMUP TO
H;WARMUP
H;ERR
H;DISP ERR
IC4
8
GEN
1 IC2 IC15 12V IC7 D6
(LONG)
Q11
3 4 12V LOW POWER
NAND OR 1 4
LEVEL
IC4 2 L:LOW POWER
DET
4 PULSE 6 2 1 ( 9.9V )
GEN
(SHORT)
L:RESET
IC5,6 IC8
2 1
NAND
POWER
(OD)
ON
Q12
RESET
4 6
GEN
IC9,Q13
S1
NOISE
MAIN RESET
GUARD
L:WUP
IC9 IC9,10 IC11 IC10
TIME 10 13
LATCH NOR DELAY
30MIN.
IC10,12
L:LOW POWER 12V
TIME
IC1
CONT
1 7
IC17,Q2
IC17
L:TEM TEST
1 7 2
BUF
Q17
L:RESET
IC16 3 5
3 5
L:WUP LATCH
Q4-9,19,20 +12V
USE
IC16 H;FAN1 ERR
WERR IC16,Q18
+12V
9
WARMUP
8 H;FAN2 ERR
10 DISPLAY
+12V
CONT
H;FAN3 ERR
FERR
+12V
H;FAN4 ERR
FAN
+12V
ERROR
H;FAN5 ERR
DET
IC2 IC2,4 IC18 +12V
1
8 9 4 H;FAN6 ERR
FERR LATCH 2
L:RESET
+12V
H;FAN7 ERR
(Q1)
(Q3)
+12V
H;FAN8 ERR
L:LOW POWER
5V-2
D10
S5
TEST
L;MAIN RESET
L;HALF CHECK
L;TEMP TEST
L;FAN TEST
L;WU TEST
L;HDD CUT OFF
L;CUR CHECK
2V
H;UNIT CHECK
S4
L:TEMP TEST CUR CHECK
IF 71 -
*1:
When IF-715 board's suffix is -11,
this circuit is on CN-1753 board.
+12V
H;FAN7 ERR
(Q19)
+12V
(Q20)
H;FAN8 ERR
9-6
9-7
9-8
9-9
9-11
FACTORY USE
9-12
9-10
9-4
9-3
9-5
3-1
3-2
4-1
4-2
5-1
FAN(1-6)
5-2 FAN
FAN POWER(1-6)
6-1 1-6
6-2
7-1
7-2
8-1
8-2
FAN POWER 7
101-1
FAN7 FAN 7
101-3
FAN POWER 8 *2
102-1
FAN8
FAN 8
102-3
*1
When IF-715 board's suffix is -12 and higher.
*2:
FAN8)
Serial No. 10001 through 10052
(SY model)
10-1
Serial No. 30001 through 30005
10-2
(J model)
10-5
10-6
FACTORY USE
10-7
10-8
10-4
10-3
5
14-1
FAN(7,8)
14-3 FAN
FAN POWER(7,8)
15-1 7,8
15-3
Overall