Sony ICD-BM1 / ICD-BM1A / ICD-BM1B / ICD-BM1DR9 Service Manual ▷ View online
17
17
ICD-BM1/BM1A/BM1AVTP/BM1B/BM1DR9
ICD-BM1/BM1A/BM1AVTP/BM1B/BM1DR9
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
B
A
LCD BOARD (SIDE A)
LCD BOARD (SIDE B)
R919
C901
CN901
C902
C903
C904
C905
R906
LCD UNIT
R901
C915
C910
2
CN902
CN903
SW
BOARD
CN951
MAIN BOARD
CN702
20
14
1
1
19
R907
R908
R909
R905
R904
C908
C907
C906
C909
R918
R916
R917
C913
R914
IC901
LCD901
EL
BACK
LIGHT
EL901
4
3
22
1
1
2
R913
C914
R911
R920
R912
R915
ERASE
S908
CANCEL
S901
ENTER
S906
11
1-860-924-
11
1-860-924-
FOLDER
S904
DISPLAY
S902
MENU
S903
PRIORITY
S905
DIVIDE
S907
D901
TP903
TP902
3-8. PRINTED WIRING BOARD – LCD Section –
: Uses unleaded solder.
(Page 18)
(Page 12)
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ICD-BM1/BM1A/BM1AVTP/BM1B/BM1DR9
ICD-BM1/BM1A/BM1AVTP/BM1B/BM1DR9
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
S961
(OPEN/CLOSE)
VOR
S953
ON OFF
POWER
S955
ON OFF
DPC
S951
ON OFF
MIC
S952
DIC(L) – CONF(H)
B
LCD BOARD
CN903
R958
R957
R972
R970
R969
R965
R964
R956
C952
C951
R973
R953
C954
RB951
C953
D952
R974
R968
R951
R962
S957
S954
VOL
R963
R959
R966
R952
CN951
1
5
10
14
11
1860-923-
11
1-860-923-
Q951
Q952
S960
>
+
S959
– .
S962
NEW FILE
D951
OPR
SW BOARD (SIDE A)
SW BOARD (SIDE B)
S956
(FUNCTION-A)
S958
(FUNCTION-B)
S956,958
(FUNCTION)
REC – STOP – PLAY – B.SPACE
3-9. PRINTED WIRING BOARD – SW Section –
: Uses unleaded solder.
(Page 17)
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ICD-BM1/BM1A/BM1AVTP/BM1B/BM1DR9
• IC Block Diagrams
IC301 AK4569VN-L (MAIN Board (1/3))
7
8
14
13
12
11
10
9
28
22
23
24
25
26
27
5
6
4
3
2
1
15
17
16
18
19
20
21
AUDIO I/F
CONTROLLER
CONTROL
REGISTER
PDN
CSN
CCLK
HP AMP
MOUT
CDTI
LRCK
MCLK
BICK
SDTI
SDTO
DVDD
DVSS
HVSS
HVDD
HPR
AINL1
AINR1
AINL2
AINR2
A
VDD
A
VSS
VCOM
VREF
LIN
RIN
MIN
MOUT
MUTET
HPL
IPGA & ADC
DAC
ADC
DAC
HPF
DATT
VCOM
VREF
BOOST
IPGA
AINL1
AINL2
AINR1
AINR2
IC703 RX-4591CF (MAIN Board (1/3))
1
2
3
4
VDD
FOE
XIRQ
T1
5
10
9
8
7
6
FOUT
CE
CLK
DO
DI
CE
CLK
DO
DI
CE
CLK
DO
DI
GND
FOUT
CONTROLLER
DIVIDER
OSC
32.768kHz
INTERRUPTS
CONTROLLER
BUS
INTERFACE
CIRCUIT
CONTROL
REGISTER
AND
SYSTEM
CONTROLLER
TIMER
REGISTER
CLOCK
AND
CALENDAR
ARARM
REGISTER
20
ICD-BM1/BM1A/BM1AVTP/BM1B/BM1DR9
IC704 BU2090FS-E2 (MAIN Board (1/3))
1 2
3
5 6 7 8
10
16 15 14 13 12 11
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
VDD
HPMUTE
XLIGHT2
MONOMIC
XBATTEN
XDSPRST
XFLMPWR
9
XADAPDN
SPAMP
XSTMIC
XREDLED
XGRLED
4
XLIGHT1
CLK
DATA
VSS
OUTPUT
BUFFER
(OPEN DRAIN)
IC705 AK6417CH-E2 (MAIN Board (1/3))
EEPROM
R/W AMPS
AND
AUTO ERASE
INSTRUCTION
DECODE
CONTROL
AND
CLOCK
GENERATION
INSTRUCTION
REGISTER
VCC
RDY/BUSY
RESET
GND
CS
SK
DI
DO
ADD
BUFFERS
DATA
REGISTER
VPP
GENERATOR
DECODER
VPP SW
VREF
16
16
16384bit
1024 16
1
2
3
4
8
7
6
5
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