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SECTION 4 EXPLODED VIEW
� IC Block Diagrams IC101 DBL5002
R4 R3 R2 HDO
NOTE: � The mechanical parts with no reference number in the exploded views are not supplied. � Items marked �*� are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
8 OUT
� -XX and -X mean standardized parts, so they may have some difference from the original one. � Color Indication of Appearance Parts Example : KNOB, BALANCE (WHITE) ... (RED) N Parts Color Cabinet�s Color
� Accessories and packing materials are given in the last of this parts list.
VCC 1
RSL 2
REGULATOR WITH HYSTERESIS
R1
MODE
AMP 7 HFI
3
LFI 3 LOW FREQ OSC LFO 4 HIGH FREQ OSC 5 GND
10 2
HDI
6 HFO
C1
11
C2
SW101
2
OSC IN
15 14
J201
IC201 HM91652B
HKS
4 6
VDD
13 12
DTMF
PO
22
21 20 19 18
17
16
15
14
8 7
SP101
PULSE GENERATOR
DECODER & DATA LATCH
ROW/COLUMN PROGRAMMING COUNTER LNB MEMORY
D/A CONVERTER
HFO
9
SAVE MEMORY
MEMORY
OUTPUT INTERFACE CIRCUIT
KERNEL CONTROL CIRCUIT
INPUT INTERFACE CIRCUIT
5 13 1
VDD
COLUMN INTERFACE CIRCUIT
DIVIDER
ROW INTERFACE CIRCUIT
12
VDD
12 1
OSC
2
2
1
23456
78
9
10
11
Ref. No. 1 2 3 *4 5 6 7 8 9
Part No. 3-925-103-01 7-685-533-19 X-3371-275-1 A-3672-801-A 1-762-340-11 4-908-618-21 3-925-097-01 3-925-098-01 3-925-099-01
Description FOOT, RUBBER SCREW +BTP 2.6X6 TYPE2 N-S HANDSET ASSY, LOCAL MAIN BOARD, COMPLETE SWITCH, RUBBER KEY SCREW (+BTP) (2X6) CABINET (UPPER) CABINET (LOWER) BUTTON (12 KEY)
Remark
Ref. No. 10 11 12 * 13 14 15 J201 SP101 SW101
Part No. 3-925-100-01 3-925-101-01 7-685-547-11 1-660-943-11 1-769-626-11 1-696-455-11 1-770-504-11 1-529-116-11 1-692-494-11
Description LEVER (HOOK) HANGER (HANDSET) SCREW +BTP 3X10 TYPE2 N-S KEY BOARD WIRE (FLAT TYPE) (9 CORE) CORD, CURL JACK, MODULAR (4C) 4P (HANDSET) BUZZER, PIEZOELECTRIC SWITCH, HOOK (HOOK)
Remark
MUTE
OSD OUT
VSS
HFI
C3 C4 C5
6
6
N
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