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PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS
IDENTIFIED WITH THE IEC SYMBOL
!!!
AND
MARK IN THE PARTS LIST AND THE SCHEMATIC
DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY AND PERFORMANCE CAN BE OF
SPECIAL SIGNIFICANCE.
WHEN REPLACING A COMPONENT IDENTIFIED BY
!!!
AND
, USE ONLY THE REPLACEMENT
PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR
VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL.
LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE THAT
EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE
RETURNING THE PRODUCT TO THE CUSTOMER.
SCHEMATIC DIAGRAM (FRONT , TUNER)
This is a basic schematic diagram.
TO MAIN PWB
VSS
LED1
LED2
LED3
LED4
OSC
VDD
G1
G2
G3
G4
S24/G5
S13/K13
S14/K14
S15/K15
S16/K16
S17/G12
S18/G11
VEE
S
19
/G
10
S
20
/G
9
S19/G8
S22/G7
S22/G6
S12/K12
S11/K11
S10/K10
S9/K9
S8/K8
S7/K7
S6/K6
S5/K5
S4/K4
S3/K3
S2/K2
S1/K1
VDD
KEY2
KEY1
STB
CLK
DIN
DOUT
VSS
Y
Y
Y
9
8
7
12
11
10
4
5
6
1
2
3
-30V
FL1
FL2
STB
CLK
DATA
IR
5V
D-GND
JOG
HP-L
A-GND
HP-R
HP-IN
KEY1
KEY0
(TO MAIN)
NC
RDS
TU-CLK
TU-DATA
TU-CE
TU-DO
TU-L
A-GND
TU-R
5.6V
+12V
V-SW
GND
S-C
GND
S-Y
GND
C-Y
GND
S-C/CB
GND
S-Y/CR
R6001
R6032
R6006
R6005
R6004
R6003
C6002
C6001
C6004
C6031
R6031
DS601
R6007
C6003
IC601
C6008
C6009
C6010
C6011
FL601
C6021
C6020
R6009
R6021
R6022
S6001
C6051
SG601
S
G602
SG603
C6054
L6051
CN605
C6053
C6052
CN602
CN603
C6048
C6047
C6046
C6045
C6044
C6043
C6042
C6041
L6053
L6052
C2311
C2302
IC231
C2313
R2303
C2312
C2305
R2306
C2306
R2304
C2304
R2302
C2301
R2453
R2452
R2454
C2457
C2455
C2456
C2454
C2453
X2451
Q2451
L2451
C2452
C2451
C2901
C2902
C2314
C2319
C2320
C2303
R2305
C2322
C2461
R2459
R2458
XF231
C2151
R2153
L2151
C2152
R2151
C2330
IC241
R2455
C2327
C2328
R2301
R2307
C2310
R2463
R2462
R2461
D2451
C2462
C2463
D2452
R2712
R2812
R2464
C2464
C2321
C2316
C2309
R2308
C2317
R2309
C2308
C2307
C2315
XF233
C2318
R2311
D2301
D2103
C2104
C2105
C2103
C2101
L2101
R2104
R2103
R2102
C2111
R2106
C2102
L2103
C2107
C2108
C2113
C2112
C
2109
C2117
IC211
C2121
C2122
C2123
D2151
D2101
XF222
XF221
D2102
XF211
R2101
R2113
C2130
C2106
D2104
R2114
R2112
R2111
C2126
L2102
L2503
C2131
C2903
CN203
CN201
R2460
CN241
R2465
C2465
R2811
R2711
B2101
CN202
C2132
D2455
C3509
C3507
L3503
C3508
C3505
L3502
C3504
C3506
C3503
C3501
L3501
C3502
CN351
S3501
C3510
C3511
CN352
CN611
CN612
S6103
C6101
R6102
R6101
S6102
S6101
CN621
S6204
R6203
S6203
S6202
R6202
R6201
S6201
C6201
82K
4.7K
10K
100K
100K
100K
0.01
47;10
0.01
000
10;50
47
SPS-440-1E
10K
0.01
PT6315
22;50
1000P
22;50
1000P
1AV4T41B06400(SAMSUNG)
1000P
1000P
100K
8.2K
4.7K
1AV4S10B5440N
0.1
1608SGX
1
608SGX
1608SGX
100P
10U
0.01
0.1
16
03
330P
330P
330P
330P
330P
330P
330P
330P
1AV4L26B0250N
1AV4L26B0250N
10;50
0.022
LA1844ML
1;50
47K
0.022
0.47;50
2.7K
1;50
10K
0.047
3.3K
220;16
1.5K
2.2K
2.2K
1;50-P
0.01
0.01
12P
12P
7.2M
KRA107M
100U
0.01
10;50
220;16
0.01
0.01
0.018
0.018
22;50
10K
1000P
100P
10K
10K
12P
100K
0.047
10K
20P
LC72121M
220
10;50
10;50
270
68K
0.047
1K
1K
1K
1SS133
100P
100P
MTZJ3.0B
100K
100K
1K
100P
1;50
4700P
0.1
22K
4.7;50
39K
0.018
10;50
560P
1000P
270
MTZ6.8B
1SS133
4.7P
1000P
1000P
1000P
100K
100K
100K
1000P
27
0.01
8.2U
22P
0.01
0.47;50
0.01
24P
100P
TA8176S
0.01
22;50
0.01
1SS133
SVC211
SVC211
270
27
0.01
5P
1SS133
100
3.3K
10
3P
270U
0.01
0.01
AM
TERMINAL
FM
TERMINAL
10K
11
8.2K
220/16
15K
15K
0.01
1SS133
330P
220P
2.2U
22P
22P
2.2U
220P
330P
330P
220P
2.2U
22P
0.1
0.1
11
03
02
STOP
100P
560
470
PLAY
POWER
02
OPEN/CLOSE
680
FUNCTION
BACK/PRE-
560
470
NEXT/PRE+
100P
5
4
1
3
2
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20 21 22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
34
35
2
1
1
2
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
4
5
6
7
8
9
10
11
12
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
SH.GND
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
DIN
STB
CLK
DIN
STB
CLK
G1
G2
G3
G4
G5
S9
S1
S2
S3
S4
S5
S6
S7
S8
S11
S12
S13
S14
S15
S16
S9
G2
G3
G4
G5
G6
G7
G8
G9
S10
S19
S18
S17
S16
S15
S14
S13
S8
S7
S6
S5
S4
S3
S2
S1
G8
G7
G6
S10
G9
S19
HP.GND
HP.GND
HP.GND
HP.GND
HP.GND
HP.GND
G1
S12
S11
S17
S18
A.GND
A.GND
HP.GND
A.GND
HP.GND
HP.GND
VI.GND
VI.GND
VI.GND
VI.GND
VI.GND
VI.GND
GND X
VI.GND
GND X
VI.GND
VI.GND
V
I.GND
VI.GND
1AD0B10D1740A
GND
KEY0
KEY1
HEAD
PHONE
JW601
JW602
TO
SH.GND
FM IF
AM MIX
AM IF
REG
GND
SD
ST
FM DET
VDD
MUTE
FM/AM
MONO
LCH
RCH
MPX IN
PLL IN
FM
DET OUT
AM
DET OUT
AGC
AM RF
AFC
AM OSC
OSC BU
XIN
CE
DI
CLK
DO
XOUT
NC
AOUT
AIN
PD
VDD
FMIN
AMIN
IFIN
(FM+B)
SD
DIST
IF_REQ
FM
MONO
AM
NC
VSSD
VSSA
VSSX
PILOT
CLL OUT
AM
LOOP
FM
75ohm
1AD0B10D1742B
SH.GND
TO
CN499
COMPONENT VIDEO OUT
CR
CB
Y
SH.GND
1AD0B10D1740F
1AD0B10D1740D
1AD0B10D1740E
2.3
4.4
2.3
2.3
4.2
2.0
2.9
2.3
2.2
3.2
3.2
4.8
5.8
4.7
0.7
0
5.8
6.8
4.3
0
0
2.3
2.3
5.8
6.8
0
0
0.1
11.9
12.0
11.7
0
AM 999KHZ
FM 98.0MHZ
VOLTAGE=
2.0
0.7
0
2.2
5.3
1.6
1.6
0
0
4.2
3.4
0.9
0.9
3.2
0
0.2
0.2
0.4
0.2
4.4
0.1
12.0
4.9
5.8
4.8
0.1
0
0
0.7
0
0
0
1.6
1.5
0
(UNIT:V)
6.8
5.8
6.8
5.8
0
2.9
1.5
0
0
0.7
5.4
0
0
5.4
0
0
1.9
5.4
0
0
5.0
0
0
5.3
5.2
0
760/au,765/ss