JVC HR-S5950EU, Руководство по обслуживанию

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H G F E D C B A
4
5
3
2
1
The Parts Number, value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts, refer to the Parts List. Note :
4-7 4-8
4.3 MAIN (FMA) SCHEMATIC DIAGRAM
p20241001a_rev0.3
: Used
: Not used
: Used
: Not used
: Used
: Not used
: Used
: Not used
: Used
: Not used
IC2201
C2208
C2225
C2257
C2256
C2253
C2252
C2251
C2207
C2206
C2205
C2204
DEMOD[R]
C2203
A.IN2[L]
C2202 C2201
A.IN2[R]
R2233
C2221
C2220
R2231
R2232
C2218
C2215
R2230
C2214
C2219
D2251
C2226
R2239
C2227
C2209
C2210
C2211
R2255
NA_PB
R2252
GND
NA_REC
SW5V
SW12V
PAL_PB[H]
C2216 C2217
R2216
L2252
GND
L2251
L2201
C2258
H.REC_ST[H]
A.FF
A.MUTE[H]
R2251
Q2255
RF_AUDIO
A.ENV/ND[L]
C2213 C2212
I2C_CLK
I2C_DATA
C2254 C2255
FMA_CH1
FMA_COM
FMA_CH2
TP2254
R2234 C2228
C2229
R2215
R2209
R2214
F.AUDIO[R]
LINE_OUT[R]
F.AUDIO[L]
R2201
LINE_OUT[L]
A.IN1[L]
R2203
A.IN1[R]
TP2253
R2205
R2207
R2208 R2206 R2204 R2202
R2253
Q2203
Q2204
R2210
R2217
R2219
R2218
R2213
Q2201
Q2202
R2220
C2230
C2231
R2235
R2237
C2261
Q2253
R2236
R2238
Q2252
DEC_OUT[R]
DEC_OUT[L]
C2222
Q2251
2Fsc
Q2254
VR2251
R2256
R2254
R2222
CTL1
ET_REC[H]
R2211
R2212
B2201
R2257
D2201
C2259
C2262
K2251
K2252
K2253
R2240 C2233
R2223
C2223
R2225
R2224
C2224
C2232
DEMOD[L]
R2226
R2229 R2227
R2228
0.015
1
0.01
0.01
0.01
0.01
0.01
0.015
10
10
33
4.7 4.7 10
6.8k
0.022
10
6.8k
47k
10
10
47k
10
22
1
10
10
10
33
27k
220
47 0.1
1.2k
150
µ
10
µ
180p
4.7k
0.1 47
47 0.01
100
220
680
680
47k
47k
47k
47k
6.8k 6.8k 6.8k 6.8k
100
4.7k
4.7k
1.2k
3.3k
4.7k
1k
10
10
680
680
2.7k
2.7k
0.01
2.2k
10k
4.7k
2.7k
2.7k
0.33
510
0.047
4.7k
510
0.047
27k
39k 39k
27k
AN3651FBP
/25
/25
/6.3
/50 /50
/25
/25
/25
/25
/25
/16
1SS133
1SS270A
OPEN
/16
/16
/16
/6.3
/16
SHOR
T
DTC114EUA
/6.3
/6.3
A.REC_FM
OPEN
OPEN
A.PB_FM
2SC4081/QRS/
2SC4081/QRS/
DTA144WUA
DTC144WUA
/25
/25
OPEN
DTC144WUA DTC144WUA DTC144WUA DTC114EUA
S
.CASS[H]
OPEN
OPEN
OPEN
/50
OPEN
NQR0007-002X
NQR0007-002X
NQR0007-002X
OPEN OPEN OPEN
#
#
#
#
#
# #
#
#
#
#
# #
#
#
#
#
#
#
#
#
# # #
#
#
#
MAIN[FMA] 0
TO SYSCON
TO
TO TUNER
TO SW.REG
3
BS_IN(R) EXT3_IN(R) BS_IN(L) EXT3_IN(L) HiFi A
GC DET
VREF IN_REF(R) TV_IN[R] EXT1_IN(R) EXT2_IN(R) GND1(L) IN_REF(L) TV_IN[L] EXT1_IN(L) EXT2_IN(L) NR_DET1[L]
NR_DET2[L] NR_REF(L)
CCA_OUT(L)
REC(+)DCF
COM
CH2
GND(P/R)
CH1
Vcc(P/R)
REC(-)DCF
AFF
ENV
PRE_OUT
PB_FM_IN
NOISE_DET
CCA_OUT(R)
REF(R)
NR_DET2[R] NR_DET1[R]
MUTE_CTL
REC_A
GC_ADJ
GND1(R)
PE
Vcc(1)
GND(LOGIC)
CLK
D
ATA
LOGIC_REG
fsc_IN OPEN OPEN OPEN
LOG_OUT[R]
LOG_OUT[L]
EXT4_IN[R]
EXT4_IN[L]
LINE_OUT(R)
LOG_IN[R]
GND2
LOG_IN[L]
LINE_OUT(L)
Vcc2(12V)
RFC_OUT
RFC_AGC_DET
NORMAL_OUT
NORMAL_IN
DEC_OUT[R]
DEC_OUT[L]
NR
TO
VIDEO/N.AUDIO
VIDEO/N.AUDIO
AUDIO REC FM
SVHS
YES
NO
Q2251-Q2254 R2254 R2256 VR2251 TP2254
10k(VR)
SHORT
#DIFFERENCE TABLE 1
CH+
YES
NO
C2230 C2231
R2235-R2238
#DIFFERENCE TABLE 3
RF OUT
YES
NO
C2218 C2219 R2216
#DIFFERENCE TABLE 2
R2217
FRONT INPUT
YES
NO
R2203 R2204 R2207
#DIFFERENCE TABLE 4
R2208
C2225 C2226
SECAM/MESECAM
EU/MS
EK
Q2255 L2252 C2258
#DIFFERENCE TABLE 5