Main (Main-Terminal) Schematic Diagram - JVC HM-DH30000U Service Manual

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4.8

MAIN (MAIN-TERMINAL) SCHEMATIC DIAGRAM

5
FROM/TO
P/S_CONVERTER
#
OPEN
TO VIDEO/AUDIO, SYSCON
TUNER/DEMOD,
SYNCDET
TO VIDEO/AUDIO, SYSCON
TUNER/DEMOD,
SYNCDET
TO AUDIO I/O
4
TO SYSCON
TO SYSCON
TO SYSCON
TO TUNER/DEMOD
TO SYSCON,
TO TUNER/DEMOD,
TUNER/DEMOD
AUDIO I/O
TO SYSCON,
TUNER/DEMOD,
TO SYSCON
AUDIO I/O
3
LINE2INFO/RGB_CTL
LINE1INFO/AV1[H]
WIDE_DET/SCR_ID
BSA_CTL/SDREC_SEL
2
1
A
OPEN
CN7101
SW12V
SW12V
S-P[H]/P-S[L]
GND
GND
GND
EE[L]
SW5V
SW12V
AUDIO[-]
(NC) BS_SW5V
#
Q7101 2SD2144S/UV/
TO SUB REG
CN5503
# R7101
CN5601
220
# C7102
BS_SW5V 100 /16
AUDIO[-]
# C7101
P.SAVE[L]
47 /16
P.CTL[H]
#
SW12V L7101 10µ
SW12V
M12V
# C7105
0.01
M12V
GND[M]
# IC7101
GND[M]
MM1504 Vcc SW
GND
6dB
GND
SW5V
GND
SW5V # C7103
10 /16
AL6V
AL6V #
C7104
AL5V 0.01
BT2 B7104
OPEN # 2SD1450/ST/
48V Q7102
2SD1302/ST/
AL17V
AL23V
# R7102
220
AL23V # C7107
100
# C7106
AL17V
47 /25
48V
# #
R7103 D7101
BT2
47k MTZJ11C
RD11ES/B3/
AL5V
AL6V
GND
GND[M]
M12V
TO
SYSCON
P.CTL[H]
P.SAVE[L]
GND
I2C_CLK2
I2C_DATA2
BIL_SEL/P50
PAUSE/COMPU
RMO
SLOW_PULSE
TRICK[H]
V/STD/HS1.FF
VP_CTL
I2C_CLK_A/V
I2C_DATA_A/V
P.MUTE(L)
V.PULSE
S-P[H]
OPEN
# OPTION
C7103 C7115 L7101 B7106 R7103 C7119 B7105 B7103
C7104 C7116 Q7103 C7101 L7102
C7105 C7117 Q7104 C7102 Q7105
C7108 C7118 R7104 C7106 R7115
C7109 CN7101 R7105 C7107 R7116
C7110 CN7102 R7106 D7101 R7117
C7111 CN7108 R7107 Q7101
C7112 IC7101 R7108 Q7102
C7113 IC7102 R7109 R7101
C7114 IC7103 R7102
HM-DH30000
A-HD2000*
HM-DH20000
HM-DH30000U
HM-DR20000EU&EK
HM-DR20000MS
B C
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
# R7120
# B7101
0Ω
# C7110
10 /16
#
C7116
47
# C7111
0.01
# IC7102
MM1504
Vcc SW
6dB
# R7106 GND
10k
# R7104
2.2k
#
# Q7103 C7108
10 /16
/16
# R7105
2.2k
# C7109
10 /16
#
C7112
47 /16
: Used : Not used
B7101 R7110 R7120 R7112 R7118 B2601
B7102 R7111 R7113 R7122
R7114
R7119
R7121
SHORT SHORT SHORT
SHORT SHORT
SHORT
SHORT
SHORT
Published in Heiloo Holland
D
4-17 4-18
OPEN
OPEN
#
B7106
OPEN
#
B7105
0Ω
# R7122
# B7102
# C7115
0.01
0Ω
# R7118
# C7117
0.01
/16
# IC7103
MM1502
Vcc SW
6dB
# R7109
GND
10k
# C7113
# 0.01
# R7107
C7114
2.2k
0.01
# Q7104
# R7108
2.2k
# R7114
# C7118
0.01
# B7103 0Ω
# R7110
#
R7111
#
R7121
# R7112
# R7113 # R7115
220
# R7116
4.7k
0 3 MAIN (MAIN-TERMINAL)
E F
29/11/2016
TO
TUNER/DEMOD
RF5V
TP7101 TO DIGITAL(AUDIO AD/DA)
CN9801
Y_OUT
CN7107
Y_IN
GND
C_IN
GND
A/D_IN[L]
GND
A/D_IN[R]
GND
D/A_OUT[L]
GND
D/A_OUT[R]
NC
TO
AUDIO I/O
D/A_OUT[R]
D/A_OUT[L]
A/D_IN[R]
AUDIO_IN[R]
A/D_IN[L]
AUDIO_IN[L]
GND
# R7117
10 1/2W
TO
QRE123J-100X
TUNER/DEMOD
TU_VIDEO
GND
TO
SYSCON
TXD
RXD
JLIP[L]
GND
AL5V
# Q7105
2SC1317/RS/-T
# L7102 100µ
#
C7119
470 /6.3V
TO JACK
CN7191
CN901
FRONT_C_IN
GND
FRONT_Y_IN
GND
GND
FRONT_V_IN
GND
F.AUDIO[L]
GND
F.AUDIO[R]
GND
p10318001a_rev0
G H