Sony ICF-C717PJ Service Manual ▷ View online
21
ICF-C717PJ
5-3. REAR CABINET SECTION
101
A-1762-247-A MAIN BOARD, COMPLETE
102
4-171-366-11 HOLDER
(CABLE)
103
3-080-204-51 SCREW,
TAPPING,
P2
104
A-1762-278-A REAR KEY BOARD, COMPLETE
105
3-254-070-01 SCREW
106
A-1772-046-A CABINET (REAR) SUB ASSY
107
4-186-182-01 SHEET
(I)
108
4-186-183-01 SHEET
(J)
109
4-175-106-01 FOOT
(RUBBER)
0 AC01
1-445-845-11 AC ADAPTOR (DIRECT. IN) (with AC power cord)
(AUS)
0 AC01
1-445-847-11 AC ADAPTOR (DIRECT. IN) (with AC power cord)
(SP)
CP204
1-837-632-11 CORD WITH PLUG (BUILT-IN AUDIO CABLE)
FM01
A-1772-047-A CAP ANTENNA SUB ASSY
(FM wire antenna/Temperature sensor)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
MAIN board
CP204
AC01
FM01
101
102
103
104
105
106
107
108
109
22
ICF-C717PJ
SECTION 6
ELECTRICAL PARTS LIST
A-1762-295-A LCD BOARD, COMPLETE (SP)
A-1762-302-A LCD BOARD, COMPLETE (AUS)
*******************
3-254-070-01 SCREW
< BATTERY TERMINAL >
BAT1
3-288-895-01 TERMINAL (+), BATTERY
BAT2
3-288-896-01 TERMINAL (-), BATTERY
< CAPACITOR >
C101 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C102 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C103 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C104 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C105 1-162-921-11 CERAMIC
CHIP 33PF
5% 50V
C106 1-162-921-11 CERAMIC
CHIP 33PF
5% 50V
C107 1-100-717-91 CERAMIC
CHIP 1uF
16V
C108 1-165-989-11 CERAMIC
CHIP 10uF
10% 6.3V
C109 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C110 1-100-717-91 CERAMIC
CHIP 1uF
16V
C111 1-162-923-11 CERAMIC
CHIP 47PF
5% 50V
C112 1-115-156-11 CERAMIC
CHIP 1uF
10V
C113 1-162-923-11 CERAMIC
CHIP 47PF
5% 50V
C114 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C115 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C116 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C117 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C118 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C119 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C120 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C121 1-115-156-11 CERAMIC
CHIP 1uF
10V
C122 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C123 1-165-989-11 CERAMIC
CHIP 10uF
10% 6.3V
C124 1-115-156-11 CERAMIC
CHIP 1uF
10V
C125 1-115-156-11 CERAMIC
CHIP 1uF
10V
C126 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C127 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C128 1-162-923-11 CERAMIC
CHIP 47PF
5% 50V
C129 1-162-974-11 CERAMIC
CHIP 0.01uF
50V
C130 1-162-923-11 CERAMIC
CHIP 47PF
5% 50V
C131 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C132 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C133 1-162-974-11 CERAMIC
CHIP 0.01uF
50V
C135 1-162-921-11 CERAMIC
CHIP 33PF
5% 50V
C136 1-162-921-11 CERAMIC
CHIP 33PF
5% 50V
C137 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C138 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C139 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C140 1-162-923-11 CERAMIC
CHIP 47PF
5% 50V
C141 1-162-923-11 CERAMIC
CHIP 47PF
5% 50V
C142 1-162-923-11 CERAMIC
CHIP 47PF
5% 50V
C144 1-125-891-11 CERAMIC
CHIP 0.47uF 10% 10V
C145 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C146 1-165-989-11 CERAMIC
CHIP 10uF
10% 6.3V
< DIODE >
D101
8-719-071-34 DIODE RB521S-30-TE61
D102
8-719-069-29 DIODE RB520S-30FJTE61
D106
8-719-071-34 DIODE RB521S-30-TE61
D108
8-719-069-29 DIODE RB520S-30FJTE61
D109
6-501-817-01 DIODE MA2J1110GLS0
D110
6-501-817-01 DIODE MA2J1110GLS0
< IC >
IC101
6-712-679-01 IC uPD78F0483
IC103
6-706-338-01 IC XC6202P332FR
IC105
6-702-083-01 IC XC61CN1902NR
< JUMPER RESISTOR >
JS001 1-216-296-11 SHORT
CHIP 0
JS003 1-216-864-11 SHORT
CHIP 0
JS004 1-216-296-11 SHORT
CHIP 0
JS005 1-216-864-11 SHORT
CHIP 0
JS006 1-216-296-11 SHORT
CHIP 0
< JUMPER RESISTOR/FERRITE BEAD >
L101 1-216-864-11 SHORT
CHIP 0
L103 1-216-864-11 SHORT
CHIP 0
L104 1-216-864-11 SHORT
CHIP 0
L105 1-216-864-11 SHORT
CHIP 0
L106 1-216-864-11 SHORT
CHIP 0
L107
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L109
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L111 1-216-864-11 SHORT
CHIP 0
L112
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L114 1-216-864-11 SHORT
CHIP 0
L122 1-216-864-11 SHORT
CHIP 0
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
LCD
When indicating parts by reference num-
ber, please include the board name.
ber, please include the board name.
Note:
• Due to standardization, replacements in
• Due to standardization, replacements in
the parts list may be different from the
parts specifi ed in the diagrams or the com-
ponents used on the set.
parts specifi ed in the diagrams or the com-
ponents used on the set.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• RESISTORS
All resistors are in ohms.
METAL:
All resistors are in ohms.
METAL:
Metal-fi lm resistor.
METAL OXIDE: Metal oxide-fi lm resistor.
F:
F:
nonfl ammable
• CAPACITORS
uF:
uF:
μF
• COILS
uH:
uH:
μH
• SEMICONDUCTORS
In each case, u: μ, for example:
uA.
In each case, u: μ, for example:
uA.
. :
μA. . , uPA. . , μPA. . ,
uPB.
.
:
μPB. . , uPC. . , μPC. . ,
uPD.
.
:
μPD. .
• Abbreviation
AUS :
AUS :
Australian
model
SP
: Singapore model
The components identifi ed by mark
0
or dotted line with mark
0 are critical for
safety.
Replace only with part number specifi ed.
Replace only with part number specifi ed.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
ICF-C717PJ
23
23
< LIQUID CRYSTAL DISPLAY >
LCD01 1-811-117-11 LCD
MODULE
<
TRANSISTOR
>
Q101 6-551-444-01 TRANSISTOR RT1N436C-TP-1
Q102 6-551-444-01 TRANSISTOR RT1N436C-TP-1
Q103 6-551-699-01 TRANSISTOR ISA1602AM1TP-1EF
Q105 6-551-444-01 TRANSISTOR RT1N436C-TP-1
Q106 8-729-027-26 TRANSISTOR DTA114YKA-T146
Q102 6-551-444-01 TRANSISTOR RT1N436C-TP-1
Q103 6-551-699-01 TRANSISTOR ISA1602AM1TP-1EF
Q105 6-551-444-01 TRANSISTOR RT1N436C-TP-1
Q106 8-729-027-26 TRANSISTOR DTA114YKA-T146
Q107 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF
Q108 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF
Q109 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF
Q110 6-551-444-01 TRANSISTOR RT1N436C-TP-1
Q111 8-729-027-46 TRANSISTOR DTC114YKA-T146
Q108 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF
Q109 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF
Q110 6-551-444-01 TRANSISTOR RT1N436C-TP-1
Q111 8-729-027-46 TRANSISTOR DTC114YKA-T146
Q112 8-729-027-46 TRANSISTOR DTC114YKA-T146
< RESISTOR >
R101 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R102 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R103 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R104 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R105 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R106 1-216-845-11 METAL
CHIP 100K
5% 1/10W
(AUS)
R107 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R108 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R109 1-216-841-11 METAL
CHIP 47K
5% 1/10W
R110 1-216-813-11 METAL
CHIP 220
5% 1/10W
R112 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R116 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R118 1-216-837-11 METAL
CHIP 22K
5% 1/10W
R121 1-216-813-11 METAL
CHIP 220
5% 1/10W
R122 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R124 1-216-825-11 METAL
CHIP 2.2K
5% 1/10W
R125 1-216-829-11 METAL
CHIP 4.7K
5% 1/10W
R126 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R128 1-216-845-11 METAL
CHIP 100K
5% 1/10W
R129 1-216-817-11 METAL
CHIP 470
5% 1/10W
R130 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R131 1-216-825-11 METAL
CHIP 2.2K
5% 1/10W
R132 1-216-825-11 METAL
CHIP 2.2K
5% 1/10W
R133 1-216-849-11 METAL
CHIP 220K
5% 1/10W
R136 1-216-864-11 SHORT
CHIP 0
R137 1-216-809-11 METAL
CHIP 100
5% 1/10W
R138 1-218-871-11 METAL
CHIP 10K
0.5% 1/10W
R140 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R141 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R142 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R143 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R145 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R146 1-216-809-11 METAL
CHIP 100
5% 1/10W
R147 1-216-845-11 METAL
CHIP 100K
5% 1/10W
R148 1-216-845-11 METAL
CHIP 100K
5% 1/10W
R149 1-216-845-11 METAL
CHIP 100K
5% 1/10W
R150 1-216-845-11 METAL
CHIP 100K
5% 1/10W
R151 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R155 1-216-833-11 METAL
CHIP 10K
5% 1/10W
R157 1-216-846-11 METAL
CHIP 120K
5% 1/10W
R172 1-216-827-11 METAL
CHIP 3.3K
5% 1/10W
LCD
LED
MAIN
R174 1-216-827-11 METAL
CHIP 3.3K
5% 1/10W
R176 1-216-864-11 SHORT
CHIP 0
R180 1-216-845-11 METAL
CHIP 100K
5% 1/10W
R184 1-216-845-11 METAL
CHIP 100K
5% 1/10W
(SP)
R190 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R191 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R192 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R193 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R194 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R195 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R196 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R197 1-216-821-11 METAL
CHIP 1K
5% 1/10W
R909 1-216-809-11 METAL
CHIP 100
5% 1/10W
< FLAT CABLE >
W101
1-837-631-32 CABLE, FLEXIBLE FLAT (5P)
W105
1-837-630-32 CABLE, FLEXIBLE FLAT (19P)
< VIBRATOR >
X101
1-760-252-12 VIBRATOR, CRYSTAL (32.768kHz)
X102
1-814-254-11 VIBRATOR, CERAMIC (4.19MHz)
************************************************************
A-1762-244-A LED BOARD, COMPLETE
*******************
< LED >
D103
6-503-159-01 LED 1L034XB12COMA002 (LCD BACK LIGHT)
D104
6-503-159-01 LED 1L034XB12COMA002 (LCD BACK LIGHT)
< RESISTOR >
R120 1-216-801-11 METAL
CHIP 22
5% 1/10W
R127 1-216-801-11 METAL
CHIP 22
5% 1/10W
************************************************************
A-1762-247-A MAIN BOARD, COMPLETE
********************
< CAPACITOR >
C202 1-165-989-11 CERAMIC
CHIP 10uF
10% 6.3V
C203 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C205 1-126-935-11 ELECT
470uF 20% 16V
C206 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C207 1-115-156-11 CERAMIC
CHIP 1uF
10V
C208 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C215 1-115-156-11 CERAMIC
CHIP 1uF
10V
C216 1-115-156-11 CERAMIC
CHIP 1uF
10V
C217 1-115-156-11 CERAMIC
CHIP 1uF
10V
C224 1-162-974-11 CERAMIC
CHIP 0.01uF
50V
C225 1-162-974-11 CERAMIC
CHIP 0.01uF
50V
C226 1-162-974-11 CERAMIC
CHIP 0.01uF
50V
C227 1-126-933-11 ELECT
100uF 20% 16V
C228 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C229 1-126-935-11 ELECT
470uF 20% 16V
C230 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C231 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C232 1-115-156-11 CERAMIC
CHIP 1uF
10V
C233 1-115-156-11 CERAMIC
CHIP 1uF
10V
C234 1-115-156-11 CERAMIC
CHIP 1uF
10V
C236 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
ICF-C717PJ
24
MAIN
C241 1-162-974-11 CERAMIC
CHIP 0.01uF
50V
C242 1-115-156-11 CERAMIC
CHIP 1uF
10V
C243 1-115-156-11 CERAMIC
CHIP 1uF
10V
C245 1-110-563-11 CERAMIC
CHIP 0.068uF 10% 16V
C247 1-110-563-11 CERAMIC
CHIP 0.068uF 10% 16V
C248 1-127-715-11 CERAMIC
CHIP 0.22uF 10% 16V
C249 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C250 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C251 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C252 1-165-989-11 CERAMIC
CHIP 10uF
10% 6.3V
C254 1-126-933-11 ELECT
100uF 20% 16V
C255 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C256 1-115-156-11 CERAMIC
CHIP 1uF
10V
C259 1-126-933-11 ELECT
100uF 20% 16V
C260 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C261 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C262 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C264 1-115-156-11 CERAMIC
CHIP 1uF
10V
C265 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C266 1-165-176-11 CERAMIC
CHIP 0.047uF 10% 16V
C267 1-115-156-11 CERAMIC
CHIP 1uF
10V
C268 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C269 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C270 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C301 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C310 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C324 1-126-947-11 ELECT
47uF
20% 35V
C325 1-126-947-11 ELECT
47uF
20% 35V
C326 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C327 1-126-933-11 ELECT
100uF 20% 16V
C328 1-126-767-11 ELECT
1000uF 20% 16V
C331 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C332 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C333 1-127-715-11 CERAMIC
CHIP 0.22uF 10% 16V
C335 1-126-935-11 ELECT
470uF 20% 16V
C801 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C803 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C804 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C805 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C806 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C807 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
C808 1-165-989-11 CERAMIC
CHIP 10uF
10% 6.3V
C809 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C810 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C811 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C812 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C813 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C814 1-115-156-11 CERAMIC
CHIP 1uF
10V
C815 1-162-964-11 CERAMIC
CHIP 0.001uF 10% 50V
C816 1-125-891-11 CERAMIC
CHIP 0.47uF 10% 10V
C817 1-162-927-11 CERAMIC
CHIP 100PF 5% 50V
C818 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C819 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C820 1-107-826-11 CERAMIC
CHIP 0.1uF
10% 16V
C821 1-164-315-11 CERAMIC
CHIP 470PF 5% 50V
C822 1-162-919-11 CERAMIC
CHIP 22PF
5% 50V
< CONNECTOR >
CN202
1-815-444-11 PIN, CONNECTOR (PWB) 3P
CN205
1-779-287-11 CONNECTOR, FFC (LIF (NON-ZIF)) 19P
CN206
1-815-443-21 PIN, CONNECTOR (PWB) 2P
* CN208 1-564-187-00 PIN, CONNECTOR
< CORD WITH PLUG >
CP204
1-837-632-11 CORD WITH PLUG (BUILT-IN AUDIO CABLE)
< DIODE >
D205
6-501-817-01 DIODE MA2J1110GLS0
D206
8-719-069-55 DIODE UDZSUSTE-175.6B
D207
6-501-817-01 DIODE MA2J1110GLS0
D209
6-501-817-01 DIODE MA2J1110GLS0
D801
6-501-817-01 DIODE MA2J1110GLS0
D802
6-501-817-01 DIODE MA2J1110GLS0
D804
6-501-817-01 DIODE MA2J1110GLS0
D805
6-501-817-01 DIODE MA2J1110GLS0
D806
6-501-817-01 DIODE MA2J1110GLS0
D807
6-501-817-01 DIODE MA2J1110GLS0
< IC >
IC202
6-714-972-01 IC R2A15909SP
IC206
(Not supplied) IC SNC21120A SXC20A5KD001XGR
IC301
6-710-261-01 IC UTC8227 S
IC801
6-715-094-01 IC SI4730-C40
< TERMINAL BOARD >
JK801
1-780-519-11 TERMINAL BOARD (ANTENNA 2P)
(AM ANTENNA)
< BRACKET >
JK801A 4-171-380-01 BRACKET
(AM)
< JUMPER RESISTOR >
JS007 1-216-296-11 SHORT
CHIP 0
JS204 1-216-864-11 SHORT
CHIP 0
< COIL/JUMPER RESISTOR >
L202 1-457-917-11 INDUCTOR
39mH
L205
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L206
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L207
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L209
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L210
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L211
1-481-062-21 INDUCTOR (EMI FERRITE) (1608)
L801 1-457-919-11 COIL,
AM
L810 1-469-549-21 INDUCTOR
1uH
L811 1-469-555-21 INDUCTOR
10uH
L812 1-216-864-11 SHORT
CHIP 0
L813 1-216-864-11 SHORT
CHIP 0
L814 1-216-864-11 SHORT
CHIP 0
L815 1-216-864-11 SHORT
CHIP 0
L816 1-216-864-11 SHORT
CHIP 0
L817 1-216-864-11 SHORT
CHIP 0
L818 1-216-864-11 SHORT
CHIP 0
L819 1-216-864-11 SHORT
CHIP 0
L821 1-216-864-11 SHORT
CHIP 0
L822 1-216-864-11 SHORT
CHIP 0
L823 1-216-864-11 SHORT
CHIP 0
L824 1-216-864-11 SHORT
CHIP 0
L825 1-216-864-11 SHORT
CHIP 0
L827 1-216-864-11 SHORT
CHIP 0
Note: IC206 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the entire mounted board.
Click on the first or last page to see other ICF-C717PJ service manuals if exist.