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Ver 1.0 2000. 03 With SUPPLEMENT-1 (9-959-254-81)
SRF-HM22
US Model Canadian Model
SERVICE MANUAL
2000. 03
SUPPLEMENT-1
File this supplement with the service manual.
Subject: 1. Correction 2. US Model Modification (Serial No. 836,101 and later)
(ECN-TR801624)
· NEW/FORMER TYPE DISCRIMINATION
CABINET (REAR) (R) Former Type New Type
LABEL FCC (RADIO)
2
SRF-HM22
· PRINTED WIRING BOARDS
& : Corrected portion ! : Changed portion
7
Service Manual (See page 12, 13) (Location: A K, 7 21)
8
9
10
11
12
13
14
15
16
17
18
19
20
21
RADIO MAIN BOARD
ANT1 FM TELESCOPIC ANTENNA
S105 4
C226
RED
2 DRY BATTERY SIZE "AAA" (IEC DESIGNATION R03) 2PCS.3V 1 S101 1 R108 S107 ENTER/ CLOCK VT
C1
C225
IC102
3
R118
R2
C24 T1
R120 C16 R101
C5
R5
JR4 C11 S2 JR11 S2 POWER
C115
R114
1
8
C114
C120 R112 4
IC103
5 JR108
R9
R12
JR10
R110
R111
JR104
S104 BAND
C113
JR102
R113
C112
C109
R121
C119
CONDUCTIVE FOIL
+
R21
CF2 CF1 C9
R109
Q3
C17
R13
JR1 C4
X1
C111
C108
R1
Q101 D101
3 2 1 (US) 4 5 6 42 43 29 28 R106
C107
C33
C20
C19
C121
R107
GRN/NATURAL
JR106 R15
IC1
GRN L5
C300
C14
C105
C301
#
S108
+
TUNE/TIME SET 56 1 15 14
C102
C106 C22 C32
R104
R6
C8
S108
IC101
*
(US)
JR3
C6 L3
D4
R4
+
24
1
R11
JR107
C103
BLK
Q1
R7
CF3
C10
S109 S109 C101
R102
C23
C104 LCD1 LIQUID CRYSTAL DISPLAY 17 1
R17 JR105 C29
R115
R119 RED/GRN 6 4
R18 C27
C25
(SHIELD CASE) 6 4
R116
R117
Q102
1 3
R16
R19
1-650-259-
11 (11)
BLK BRN
SP1 L-CH SPEAKER
3
+
NATURAL
C28
T2
R8
RED
R22
Q2
1 3 C31 C26
D5
1-650-258-
11 (11)
* : Connect the C300 in the shortest way.
4
+
+
+
S106 5 CT1
KEY BOARD
S103 3
L4 S1 FM SENS DX FM ANT IN C13
L1 FERRITE-ROD ANTENNA S102
S1
LOCAL
D2
1 2
B.
BPF1
P.
F
2
13
C110 6 4 1 3
12
R10
L2
C18 R105 C3
R5
%
CT2
D3
C7
C15
D6
SRF-HM22
· SCHEMATIC DIAGRAM
! : Changed portion
Service Manual (See page 9, 10) (Location: A F, 5 11)
# !
#
#
Service Manual (See page 9) (Location: G J, 1 6)
#
@
5
SRF-HM22
· CORRECTION (1) EXPLODED VIEWS
Page
Ref. No. Part No. 31
! : Indicates added or changed portion
INCORRECT
Description Remark Ref. No. Part No. 31 3-831-441-XX SPACER
CORRECT
Description Remark 3-831-441-99 SPACER, KNOB
ANT1 3-908-996-01 COIL (ANTENNA) (FM)
33 3-908-996-01 COIL (ANTENNA) ANT1 X-3374-738-1 ANTENNA ASSY
not supplied
16
13
13
$
12
12
ANT1
#
ANT1
33
@
· DIFFERENCE PARTS LIST (1) EXPLODED VIEWS
Page
Ref. No. Part No. * 9 * 23
Former Type
Description Remark Ref. No. Part No. * * * * 9 9 23 23 A-3679-550-A A-3683-141-A A-3679-551-A A-3683-142-A A-3679-550-A KEY BOARD, COMPLETE A-3679-551-A AUDIO BOARD, COMPLETE
New Type
Description Remark KEY BOARD, COMPLETE (Canadian) KEY BOARD, COMPLETE (US) AUDIO BOARD, COMPLETE (Canadian) AUDIO BOARD, COMPLETE (US)
16
(2)
ELECTRICAL PARTS LIST
Former Type
Ref. No. Part No. * Description Remark Ref. No. Part No. * * A-3679-551-A AUDIO BOARD, COMPLETE ********************** C214 Q202 * 1-124-430-00 ELECT 22µF 8-729-402-19 TRANSISTOR XN6501 A-3679-550-A KEY BOARD, COMPLETE ******************** 20% 4V C214 Q202 * *
Page
New Type
Description Remark A-3679-551-A AUDIO BOARD, COMPLETE (Canadian) A-3683-142-A AUDIO BOARD, COMPLETE (US) ********************** 1-126-514-11 ELECT 22µF 8-729-920-59 TRANSISTOR IMX2 20% 16V
17
A-3679-550-A KEY BOARD, COMPLETE (Canadian) A-3683-141-A KEY BOARD, COMPLETE (US) ******************** C301 1-162-282-31 CERAMIC 100PF 10% 50V (US)
18
Q101 8-729-402-19 TRANSISTOR XN6501 Q101 C300 8-729-920-59 TRANSISTOR IMX2 1-162-282-31 CERAMIC 100PF 10% 50V (US)
19
Q2 8-729-402-19 TRANSISTOR XN6501 Q2 8-729-920-59 TRANSISTOR IMX2 · Items marked "*" are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
Sony Corporation
9-959-254-81
Personal Audio Division Company
6
2000C0520-1 Printed in Japan C 2000. 3 Published by General Engineering Dept.