
SLV-360/390/390PX/660HF/690HF/L2MX/L2PA/L2PL/L4CS/
L4MX/L4PA/L4PL/L6HFCS/L6HFMX/L6HFPA/L6HFPL
SERVICE MANUAL
SUPPLEMENT-2
File this supplement-2 with the Service Manual.
Subject:
• MA-248 Board Modification
• H Mechanism Modification
• Power Block Repair Parts List
• Mechanism Error Code Indication
• The MA-248 board has been modified and the suffix of its part number is changed to -15.
• This supplement-1 contains the information about the above mentioned modification.
• Before repairing, confirm the part number printed on the MA-248 board as shown below.
MA-248 BOARD (CONDUCTOR SIDE)
RMT-V181/V181A/V182A/V182B/V182D
US Model
SLV-360/390/660HF/690HF
Canadian Model
SLV-360/660HF/690HF
1. MA-248 BOARD DIFFERENT PARTS LIST
Board No. 1-659-118-14 1-659-118-15
Ref.No.
*A-6781-951-A
*A-6781-952-A
MEXICAN Model
*A-6782-767-A
*A-6782-768-A
1-163-241-11
1-163-251-11
1-163-239-11
1-164-232-11
1-163-125-00
8-759-391-35
1-208-782-11
1-208-800-11
1-216-049-91
1-216-053-00
1-216-065-00
1-216-053-00
1-216-053-00
1-216-049-91
1-216-043-91
1-216-049-91
1-216-089-91
1-216-103-00
1-216-081-00
1-216-089-11
1-216-073-00
1-216-049-91
PANAMANIAN Model
(SL610279)
1-659-118-15
SLV-L2MX/L4MX/L6HFMX
SLV-L2PA/L4PA/L6HFPA
PHILIPPINE Model
SLV-L2PL/L4PL/L6HFPL
CHILEAN Model
SLV-L4CS/L6HFCS
PX Model
SLV-390PX
C252
C259
C259
C267
C500
C512
C547
IC501
IC501
JR275
R212
R212
R219
R219
R229
R229
R229
R240
R240
R251
R253
R264
R268
R276
R280
R280
R317
R473
Part No.
—
—
—
—
—
—
—
—
—
MA-248 BOARD, COMPLETE(690HF)
Description
—
MA-248 BOARD, COMPLETE(390,390PX)
—
MA-248 BOARD, COMPLETE(660HF,L6HF:CS,PL)
—
MA-248 BOARD, COMPLETE(L6HF:MX,PA)
CERAMIC CHIP 39PF 5% 50V
CERAMIC CHIP 100PF 5% 50V
—
CERAMIC CHIP 33PF 5% 50V
—
CERAMIC CHIP 0.01uF 50V
CERAMIC CHIP 220PF 5% 50V (EXCEPT L6HF:MX,PA)
M37775M5H321GP
—
—
METAL GLAZE 2.2K 0.50% 1/10W (L2)
METAL GLAZE 5.6K 0.50% 1/10W (EXCEPT L2)
METAL GLAZE 1K 5% 1/10W (660HF,690HF,L6HF)
METAL GLAZE 1.5K 5% 1/10W (360,390,390PX,L2,L4)
METAL CHIP 4.7K 5% 1/10W
—
—
METAL CHIP 1.5K 5% 1/10W
METAL CHIP 1.5K 5% 1/10W
METAL GLAZE 1K 5% 1/10W
METAL GLAZE 560 5% 1/10W
METAL GLAZE 1K 5% 1/10W
METAL GLAZE 47K 5% 1/10W
METAL GLAZE 100K 5% 1/10W
METAL CHIP 22K 5% 1/10W (EXCEPT L2)
METAL CHIP 47K 5% 1/10W (L2)
METAL GLAZE 10K 5% 1/10W
METAL GLAZE 1K 5% 1/10W
Part No.
*A-6782-951-A
*A-6791-050-A
*A-6782-952-A
*A-6791-051-A
*A-6782-767-A
*A-6791-049-A
*A-6782-768-A
1-163-243-11
1-163-251-11
1-163-257-11
1-163-237-11
1-164-232-11
—
1-163-125-00
8-759-437-14
8-759-437-18
1-216-296-91
1-208-786-11
1-208-800-11
1-216-049-91
1-216-053-00
1-208-798-11
1-208-786-11
1-208-790-11
1-208-786-11
1-216-053-00
1-216-039-00
1-216-033-00
1-216-073-00
1-216-097-91
1-216-103-00
1-216-081-00
1-216-085-00
1-216-071-00
1-216-073-00
MA-248 BOARD, COMPLETE(690HF:US)
Description
MA-248 BOARD, COMPLETE(690HF:Canadian)
MA-248 BOARD, COMPLETE(390)
MA-248 BOARD, COMPLETE(390PX)
MA-248 BOARD, COMPLETE(660HF:US)
MA-248 BOARD, COMPLETE(660HF:Canadian,L6HF:PL)
MA-248 BOARD, COMPLETE(L6HF:CS,MX,PA)
CERAMIC CHIP 47PF 5% 50V
CERAMIC CHIP 100PF 5% 50V (EXCEPT L2)
CERAMIC CHIP 180PF 5% 50V (L2)
CERAMIC CHIP 27PF 5% 50V
CERAMIC CHIP 0.01uF 10% 50V
—
CERAMIC CHIP 220PF 5% 50V (EXCEPT L6HF:CS,MX,PA)
M37775M7H121GP(390,390PX,690HF)
M37775M5H334GP(360,660HF,L2,L4,L6HF)
CONDUCTOR CHIP (3216) (EXCEPT L2)
METAL GLAZE 1.5K 0.50% 1/10W (360,390,390PX,L2,L4)
METAL GLAZE 5.6K 0.50% 1/10W (660HF,690HF,L6HF)
METAL GLAZE 1K 5% 1/10W (EXCEPT L2)
METAL GLAZE 1.5K 5% 1/10W (L2)
METAL GLAZE 4.7K 0.50% 1/10W (660HF, 690HF, L6HF)
METAL GLAZE 1.5K 0.50% 1/10W (360, 390, 390PX, L4)
METAL GLAZE 2.2K 0.50% 1/10W (L2)
METAL GLAZE 1.5K 0.50% 1/10W (EXCEPT L2)
METAL CHIP 1.5K 5% 1/10W (L2)
METAL GLAZE 390 5% 1/10W
METAL GLAZE 220 5% 1/10W
METAL GLAZE 10K 5% 1/10W
METAL GLAZE 100K 5% 1/10W
METAL GLAZE 180K 5% 1/10W
METAL CHIP 22K 5% 1/10W (660HF, 690HF, L2, L6HF)
METAL GLAZE 33K 5% 1/10W (360, 390, 390PX, L4)
METAL GLAZE 8.2K 5% 1/10W
METAL GLAZE 10K 5% 1/10W
–2 –
• Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.

2. MA-248 PRINTED WIRING BOARD
— Ref. No. : MA-248 Board; 1,000 Series —
MA-248 BOARD
There are few cases that the part printed on this diagram isn't mounted in this model.
CN101 G-1
CN201 A-9
CN301 B-6
CN302 C-2
CN501 I-12
CN502 G-3
CN503 H-3
CN505 E-3
CN506 G-9
CN509 J-1
D131 E-2
D161 E-1
D162 E-1
D201 C-10
D202 D-11
D204 C-11
D205 C-12
D301 C-5
D302 C-5
D391 C-2
D503 G-7
D504 H-3
D505 H-3
D506 G-10
D507 G-8
D508 G-9
D510 J-12
D513 F-9
D701 D-12
D702 D-12
D703 D-13
D704 G-13
D801 B-3
D802 A-3
IC141 D-1
IC201 D-11
IC202 E-11
IC301 C-6
IC351 C-4
IC361 C-6
IC501 G-9
IC502 H-10
IC503 H-9
IC504 J-9
IC506 H-12
IC507 F-11
IC508 H-1
IC509 H-12
IC801 B-7
Q131 E-1
Q132 E-2
Q161 F-1
Q204 B-11
Q206 D-11
Q208 B-11
Q209 A-10
Q210 B-10
Q211 A-11
Q212 B-10
Q213 C-10
Q214 C-10
Q215 B-9
Q216 B-9
Q217 B-9
Q218 C-9
Q219 B-10
Q220 C-11
Q261 E-9
Q299 B-8
Q301 C-5
Q302 B-5
Q303 B-6
Q304 B-5
Q391 C-1
Q392 C-2
Q502 H-6
Q503 F-11
Q504 F-2
Q701 G-12
Q702 D-12
Q703 D-13
Q704 F-12
Q705 F-12
Q801 A-7
RV341 C-2
RV381 D-2
RV391 C-2
DM-45 (EXCEPT SLV-L2)
(TRANSLATION)
MA-248
(MAIN)
SW-268
(SWITCH)
RP-195
(HEAD AMP)
POWER BLOCK
–3 ––4 –

3. SCHEMATIC DIAGRAM
Page 4-10 to 4-11 Location: A-6 to B-12
Page 4-14 Location: C-21 to G-24
Page 4-15 Location: K-23 to L-26
Page 4-10 to 4-11 Location: H-4 to I-8
Page 4-11 Location: H-14
Page 4-14 Location: H-14 to I-17
Page 4-17 Location: B-11
: Points added parts.
: Points deleted parts.
: Points changed parts.
–5 ––
6
–