DOWNLOAD Sony ICD-B5 Service Manual ↓ Size: 990.08 KB | Pages: 18 in PDF or view online for FREE

Model
ICD-B5
Pages
18
Size
990.08 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
icd-b5.pdf
Date

Sony ICD-B5 Service Manual ▷ View online

3
ICD-B5
SECTION 1
GENERAL
This section is extracted
from instruction manual.
Index to Parts and Controls
Main unit
MIC jack
(PLUG IN POWER)
EAR (earphone) jack
OPR (operation) indicator
z
REC (record) /STOP
X
 PAUSE
— .REVIEW/
>
+CUE
Nx
PLAY/STOP•
EXECUTE
HOLD
VOL (volume)
MIC
(built-in microphone)
Display window
FOLDER
INDEX
DISPLAY
MIC SENSE
(microphone sensitivity)
MENU
ERASE
Speaker
STOP
Rear
Battery
compartment
Hook for handstrap
(not supplied)
Display window
Selected message
number/Mode
indication of the
menu (ON, OFF, etc.)
REC (recording)
indicator
Remaining battery
indicator
Remaining memory
indicator
Counter /Remaining time indication /Recording date
indication /Current time indication (15:30, etc.) /Menu
indication (ALARM, BEEP,  etc.) /Messages (ERASE, HOLD,
etc.)
Folder indication
Alarm indicator
Repeat play indicator
Microphone sensitivity
indication
REC DATE (recorded date)
indication
REMAIN indicator
4
ICD-B5
Note : This set can be disassemble according to the following sequence.
SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-1. UPPER LID ASSY
2-1.
UPPER LID ASSY
(Page 4)
2-2.
F-SW BOARD,
P-SW BOARD
(Page 5)
SET
2-3.
MAIN BOARD
(Page 5)
1
 B 1.7x10
4
 claw
2
 B 1.7x7
7
 screws 1.7x2.5
8
 speaker (SP101)
3
 claws
5
 claws
9
 upper lid assy
case assy
6
claw
5
ICD-B5
2-2. F-SW BOARD, P-SW BOARD
2-3. MAIN BOARD
1
 CN701
2
case assy
4
 F-SW board
5
 P-SW board
3
 Removal the five solders.
3
 screw
4
 claw
5
 claw
case assy
1
 Removal the two solders.
6
 MAIN board
2
 speaker (SP101)
6
ICD-B5
3-1. IC PIN DESCRIPTION
• IC703  µPD780308GC-A58-8EU (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1 to 3
KEY1 to 3
I
Key input
4
XHOLD
I
Hold switch input
5
AMPPOW
O
Power down control output for power amplifier IC (IC103).
6
AVREFON
O
A/D reference voltage input
7
XFMCE
O
Chip enable output for flash memory IC (IC701).
8
VDD0
Power supply pin
9
AVREF
A/D reference voltage
10
XFMWE
O
Write enable signal output for flash memory IC (IC701).
11
XFMALE
O
ALE signal output
12
VSS1
Ground
13
XFMR/B
I
Ready/Busy signal input from flash memory IC (IC701).
14
XFMCLE
O
CLE signal output for flash memory IC (IC701).
15, 16
NC
O
Not used. (Open)
17
XFMRE
O
Read enable signal output for flash memory IC (IC701).
18
XFMSE
O
SE signal output for flash memory IC (IC701).
19
XFMWP
O
WP signal output for flash memory IC (IC701).
20
CLKOUT
O
Not used. (Open)
21
BEEP
O
Beep signal output (2.4 kHz)
22
LIGHT
O
LCD back light control output
23 to 26
COM0 to 3
O
LCD common signal output
27
BIAS
O
Connect to VDD. (LCD bias)
28 to 30
VLC0 to 2
LCD drive power supply pin
31
VSS0
Ground
32 to 61
S0 to 29
O
LCD segment signal output
62
MGHIGH
I
Mic gain mode input (High: high mode)
63
MGTEST
O
Mic gain mode test output
64
XTEST
I
Test pin
65
DSPPOW
O
Digital signal processor registor control I/F enable signal output
66
LEDREC
O
OPR (REC) LED (D701: red) ON/OFF output
67
LEDPB
O
OPR (PLAY) LED (D701: green) ON/OFF output
68
RTCCE
O
Real time clock chip enable signal output
69
XDSPIFRQ
O
I/F request signal output for DSP IC (IC101).
70
DSPIFRW
O
I/F data read/write signal output for DSP IC (IC101).
71
XDSPRST
O
Reset signal output for A/D, D/A converter, DSP IC (IC101).
72
SI0
I
I/F data signal input for DSP IC (IC101).
73
SO0
O
I/F data signal output for DSP IC (IC101).
74
SCK0
O
I/F signal clock output for DSP IC (IC101).
75
RTCDI
I
Real time clock data input
76
RTCDO
O
Real time clock data and digital signal processor registor control data output
77
RTCCLK
O
Real time clock I/F data and digital signal processor registor control clock output
78
IC
Ground
79
X2
O
System clock output (5 MHz)
80
X1
System clock input (5 MHz)
81
VDD1
Power supply pin
82
XT1
Sub clock input (32.768 kHz)
83
XT2
Not used. (Open)
84
XRESET
I
Reset signal input
85
NC
Not used. (Open)
SECTION 3
DIAGRAMS
Ver 1.1
Page of 18
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Sony ICD-B5 Service Manual ▷ Download

  • DOWNLOAD Sony ICD-B5 Service Manual ↓ Size: 990.08 KB | Pages: 18 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony ICD-B5 in PDF for free, which will help you to disassemble, recover, fix and repair Sony ICD-B5 Audio. Information contained in Sony ICD-B5 Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.