Yamaha HTR-6295, Service Manual

Page: 135 / 163

A
1
2
3
4
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8
9
10
B C D E F G H I J K L M N
135
VIDEO 2/3
RX-V2065/HTR-6295
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
CB347 CB350 CB348
W3404
W3403
CB340
CB342
W3401
CB343
CB344
CB345
W3402
CB331
W3302
CB334
CB349
IC331
W3301B
W3301A
IC334
IC332 W3303A
W3303B
IC333
IC321
CB321
CB322
CB335
CB332
CB333
JK321
12.0
-11.7
12.0
-11.7
12.0
-11.7
12.0
-11.7
-11.7
-11.7
12.0
0
12.1
0
0
12.1
17.8
-11.7
0
-11.9
12.0
0 0 0 0
12.0
12.0
0
12.1
12.0
0
12.1
12.0
3.3
0
0
0
3.3
0
0
3.3
0
0
3.3
0
0
12.1
-11.7
12.0
12.1
5.0
0
0
0
0
-0.6
-0.6
-4.8
-5.4
-5.4
-6.0
-38.2
0
-38.2
-37.6
-30.0
-30.6
-37.6
-43.1
0.2
-6.0
-8.3
-8.3
4.0
4.5
10.4
8.6
-0.4
4.0
0
8.1
-8.3
0
3.3
3.4
0
3.3
3.3
3.3
3.3
1.2
3.3
0
0
0
0
0
0
0
0
0
0
0
-0.2
3.2
8.1
5.3
5.3
0
3.3 8.1
0
5.3 1.4
3.4
3.4
8.1 8.1
0
3.4 1.4
0
3.3 5.0
8.6
-0.4
0
-0.4
3.3
3.3
3.3
3.3
9.0
3.1
0
0
0
0
0
3.4
3.4
0
3.3
3.4
0
3.4
0
0
0
0
0
0
0
0
5.3
3.3
3.3
-0.4
-0.4
1.1
0
0
AC13.3 AC7.5
0
0
0
3.3
SURROUND
BACK L
CENTER
SURROUND L
FRONT L
CTL
1 2 3 4 5
Vcc GND
TSD OCP
Vref
-
+
Driver
VOUT C
IC332, 333 : BA00JC5WT-V5
Voltage regulator
REFERENCE
VOLTAGE
CIN FLOUT VREF
VREF
ANTIALIASING
FILTER
57kHz
BPF
(SCF)
SMOOTHING
FILTER
MPXIN
+3V
Vdda
Vssa
PLL
(57kHz)
CLOCK
RECOVERY
(1187.5Hz)
+3V
Vddd
RDS-ID/
READY
RST
Vssd
DATA
DECODER
XOUT XIN
TEST TEST
CLK(4.332MHz)
OSC
RAM
(128bits)
RDDA
RDCL
RDS-ID
DETECT
MODE
IC321 : LC72725KM-UY-TLM-E
RDS signal demodulation IC
CIN TEST
Vssd
MODE
Vddd
XIN
XOUT
RST
RDCL
FLOUT
RDS-ID/READY
RDDA
VREF
MPXIN
Vdda
Vssa
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16 1
IC334 : NJM2388F05
Low dropout voltage regulator with ON/OFF control
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V
IN
Cont
GND
V
OUT
Over Current
Protection Thermal
Protection
IC331 : NJM2396F05
Low dropout voltage regulator with ON/OFF control
1 V
IN
2 V
OUT
4
ON/OFF
Control
3
GND
Control circuit
SPEAKERS
FRONT
CENTER
SURROUND
SURROUND BACK/
BI-AMP
VIDEO (6)
VIDEO (1)
(B, G, E, F models)
RDS DECODER
to DIGITAL (1)_CB25
Page 124 I2
to OPERATION (6)_CB473
To POWER TRANSFORMER
Page 130 J9
to OPERATION (2)_CB460
to AM/FM TUNER
(C, R, T, K, A, B,
G, E, F, L models)
to HD RADIO TUNER
(U model)
Page 131 H7
to OPERATION (8)_CB463
Page 131 K4
to OPERATION (8)_CB464
Page 131 L4
to OPERATION (3)_CB477
Page 130 L2
to MAIN (1)_CB104
Page 132 G3
to MAIN (1)_CB103
Page 132 G4
to MAIN (1)_W116
Page 132 G4
to MAIN (1)_W110
Page 132 H9
to MAIN (1)_W107
Page 132 G3